Job Description Your job will be to develop a part of a distributed system that serves the hospitality industry. The system consists of many domain-oriented microservices developed under a few cross-functional teams. You can bring a smile on the faces of thousands of people working in hotels across the globe. We are expanding our development capabilities by establishing a new backend development team in China to complement our existing European teams. As a Sub-Team Leader, you will lead this new China-based team of backend developers, working closely with our European teams to deliver innovative solutions for our hospitality clients. This role combines hands-on technical development with team leadership responsibilities, ensuring seamless collaboration across teams while accelerating our product delivery. Team Leadership Responsibilities Bridge communication between the China and European teams Serve as primary liaison between the China team and the main team in Europe Translate and clarify requirements, decisions, and technical guidance from the Europe team Coordinate cross-functional collaboration between the China team and QA, Infrastructure, and Product teams Communicate with the European stakeholders to ensure clear understanding of business requirements Team coordination and agile process management Coordinate daily activities of the China-based team members within existing sprint framework Organize and facilitate local Scrum/Agile ceremonies for the China team members (daily standups, sprint planning, retrospectives) Distribute work assignments based on established priorities and team capacity Monitor local team progress against established timelines and deadlines Ensure seamless integration of the China team’s deliverables with the European team’s work Track and report team performance metrics to the main team leadership Guide team adaptation to changing requirements, while ensuring code quality and delivery timelines are maintained Oversee implementation of continuous integration and deployment practices with automated testing and monitoring Lead sprint planning sessions by gathering effort estimates, and providing technical insights from the China team Local team mentoring and development Provide technical mentoring and guidance to the China-based team members Facilitate knowledge transfer from the Europe team to local developers Ensure the team members understand and follow established coding standards and practices Code quality enforcement within existing framework Conduct thorough code reviews in accordance with the established Europe team guidelines and standards Ensure adherence to existing coding standards, SOLID principles, and architectural patterns Validate proper implementation according to the Europe team standards Engage in technical discussions about implementation approaches and design decisions Technical Development Responsibilities Designing, implementing, and then maintaining new functionalities within a living system Designing scalable solutions within the existing microservices ecosystem Implement complex business logic for hotel management operations including reservations, billing, and reporting Building dedicated export solutions for third parties Design and implement robust API’s integration with for external hotel management systems Create data export mechanisms for property management systems, channel managers, and revenue management tools Develop file-based export solutions, supporting various formats (XML, JSON, CSV) Building a scalable aggregated data strategy for reporting purposes Design efficient data aggregation processes for hotel performance analytics and business intelligence Implement real-time and batch processing solutions for the large-scale hospitality data Create optimized data models for reporting on occupancy, revenue, and operational metrics Using advanced tools to optimize the performance of SQL queries used in APIs and reports Analyze and optimize complex PostgreSQL queries handling the large hospitality datasets Use database profiling tools to identify and resolve performance bottlenecks Optimize Entity Framework queries and implement efficient data access patterns Technologies used: C# 9, .NET Core - Latest C# features and modern .NET ecosystem JIRA & Confluence – Task management tool PostgreSQL - Advanced SQL features, JSON support, partitioning, and performance tuning Microservices - Service-oriented architecture, inter-service communication, and distributed system pattern Swagger - API documentation, testing, and client code generation Docker - Containerization, orchestration, and deployment strategies Redis - Caching, session management, and distributed data structures Kafka - Event streaming, message queuing, and asynchronous communication between services Elasticsearch (nice to have) - Full-text search, log aggregation, and analytics Visual Studio 2022, ReSharper, Rider - Professional development environment with advanced debugging and refactoring tools Qualifications Strong verbal and written English communication skills are required Ability to communicate complex technical concepts, to both technical and non-technical stakeholders Experience in writing clear technical documentation and API specifications Ability to collaborate effectively in international, distributed teams Minimum 3 years of experience in team leadership or a technical lead position and a minimum of 5 years of experience in the IT industry A proven track record in senior backend development roles with team management responsibilities Experience in leading technical teams, coordinating development activities, and managing project deliverables Knowledge of .NET 8/9 and Entity Framework Core Proficiency in the modern .NET ecosystem and ASP.NET Core development Advanced Entity Framework Core knowledge in migrations, query optimization, and performance tuning Proven experience with PostgreSQL Experience with the PostgreSQL-specific features like JSON/JSONB, arrays, and custom data types Knowledge of database performance tuning and query optimization strategies Open-minded and proactive mindset Willingness to learn new technologies and adapt to changing requirements Initiative in identifying and solving problems before they impact the team Collaborative approach to problem-solving and knowledge sharing Initiative in proposing and implementing process improvements 年龄要求：27岁以上 职能类别：技术经理

Job Description Your job will be to develop a part of a distributed system that serves the hospitality industry. The system consists of many domain-oriented microservices developed under a few cross-functional teams. You can bring a smile on the faces of thousands of people working in hotels across the globe. We are expanding our development capabilities by establishing a new backend development team in China to complement our existing European teams. As a Sub-Team Leader, you will lead this new China-based team of backend developers, working closely with our European teams to deliver innovative solutions for our hospitality clients. This role combines hands-on technical development with team leadership responsibilities, ensuring seamless collaboration across teams while accelerating our product delivery. Team Leadership Responsibilities Bridge communication between the China and European teams Serve as primary liaison between the China team and the main team in Europe Translate and clarify requirements, decisions, and technical guidance from the Europe team Coordinate cross-functional collaboration between the China team and QA, Infrastructure, and Product teams Communicate with the European stakeholders to ensure clear understanding of business requirements Team coordination and agile process management Coordinate daily activities of the China-based team members within existing sprint framework Organize and facilitate local Scrum/Agile ceremonies for the China team members (daily standups, sprint planning, retrospectives) Distribute work assignments based on established priorities and team capacity Monitor local team progress against established timelines and deadlines Ensure seamless integration of the China team’s deliverables with the European team’s work Track and report team performance metrics to the main team leadership Guide team adaptation to changing requirements, while ensuring code quality and delivery timelines are maintained Oversee implementation of continuous integration and deployment practices with automated testing and monitoring Lead sprint planning sessions by gathering effort estimates, and providing technical insights from the China team Local team mentoring and development Provide technical mentoring and guidance to the China-based team members Facilitate knowledge transfer from the Europe team to local developers Ensure the team members understand and follow established coding standards and practices Code quality enforcement within existing framework Conduct thorough code reviews in accordance with the established Europe team guidelines and standards Ensure adherence to existing coding standards, SOLID principles, and architectural patterns Validate proper implementation according to the Europe team standards Engage in technical discussions about implementation approaches and design decisions Technical Development Responsibilities Designing, implementing, and then maintaining new functionalities within a living system Designing scalable solutions within the existing microservices ecosystem Implement complex business logic for hotel management operations including reservations, billing, and reporting Building dedicated export solutions for third parties Design and implement robust API’s integration with for external hotel management systems Create data export mechanisms for property management systems, channel managers, and revenue management tools Develop file-based export solutions, supporting various formats (XML, JSON, CSV) Building a scalable aggregated data strategy for reporting purposes Design efficient data aggregation processes for hotel performance analytics and business intelligence Implement real-time and batch processing solutions for the large-scale hospitality data Create optimized data models for reporting on occupancy, revenue, and operational metrics Using advanced tools to optimize the performance of SQL queries used in APIs and reports Analyze and optimize complex PostgreSQL queries handling the large hospitality datasets Use database profiling tools to identify and resolve performance bottlenecks Optimize Entity Framework queries and implement efficient data access patterns Technologies used: C# 9, .NET Core - Latest C# features and modern .NET ecosystem JIRA & Confluence – Task management tool PostgreSQL - Advanced SQL features, JSON support, partitioning, and performance tuning Microservices - Service-oriented architecture, inter-service communication, and distributed system pattern Swagger - API documentation, testing, and client code generation Docker - Containerization, orchestration, and deployment strategies Redis - Caching, session management, and distributed data structures Kafka - Event streaming, message queuing, and asynchronous communication between services Elasticsearch (nice to have) - Full-text search, log aggregation, and analytics Visual Studio 2022, ReSharper, Rider - Professional development environment with advanced debugging and refactoring tools Qualifications Strong verbal and written English communication skills are required Ability to communicate complex technical concepts, to both technical and non-technical stakeholders Experience in writing clear technical documentation and API specifications Ability to collaborate effectively in international, distributed teams Minimum 3 years of experience in team leadership or a technical lead position and a minimum of 5 years of experience in the IT industry A proven track record in senior backend development roles with team management responsibilities Experience in leading technical teams, coordinating development activities, and managing project deliverables Knowledge of .NET 8/9 and Entity Framework Core Proficiency in the modern .NET ecosystem and ASP.NET Core development Advanced Entity Framework Core knowledge in migrations, query optimization, and performance tuning Proven experience with PostgreSQL Experience with the PostgreSQL-specific features like JSON/JSONB, arrays, and custom data types Knowledge of database performance tuning and query optimization strategies Open-minded and proactive mindset Willingness to learn new technologies and adapt to changing requirements Initiative in identifying and solving problems before they impact the team Collaborative approach to problem-solving and knowledge sharing Initiative in proposing and implementing process improvements 年龄要求：27岁以上 职能类别：技术经理

岗位内容： 1、通过数据复盘、案例酒店、市场趋势启动KP意愿；  2、基于酒店情况及数据，为酒店提供相应的解决方案；  3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品；  4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格 1、良好的表达与管理层沟通谈判能力；  2、有数据分析和解读能力，并找出机会点；  3、抗压能力强，主动积极学习和团队精神；  4、乐于接受新事物，有一定的互联网思维；  5、从事OTA或是高星酒店2年以上，熟悉高星酒店的内部运作。

岗位职责： 1.      负责公司软件产品的推广和销售，完成公司既定的销售目标； 2.      负责维护客户关系，保持有效沟通和定期拜访，了解和梳理客户需求，制定解决方案； 3.      开发高星级酒店、连锁酒店、民宿集团等B端客户资源； 4.      精准识别客户数字化转型需求，提供定制化解决方案演示； 5.      跟进销售流程，完成合同谈判及售后服务衔接； 6.      收集行业竞品动态，反馈产品优化建议； 任职要求： 1.      具有2年以上软件销售经验者优先考虑。熟悉软件销售流程，包括从潜在客户开发、需求分析、产品演示、商务谈判到合同签订以及后续客户维护等环节。了解酒店软件行业的市场动态、竞争态势，能够根据市场变化及时调整销售策略。 2.      有酒店行业工作经验者为佳，业内有良好的人脉关系，熟悉酒店工作内容，特别是对酒店运营管理流程（如采购、人力资源、财务管理等）有深入了解的应聘者。 3.      具有出色的市场拓展能力，能够独立拓展业务，开拓客户资源。 4.      良好的心理素质，抗压能力强，可以经常出差。

Job Description Your job will be to develop a part of a distributed system that serves the hospitality industry. The system consists of many domain-oriented microservices developed under a few cross-functional teams. You can bring a smile on the faces of thousands of people working in hotels across the globe. 职位描述 我们的酒店管理解决方案由多个面向领域的微服务（domain-oriented microservices）组成，并由数个跨职能团队共同开发。您将参与开发面向酒店行业的分布式系统的一部分。该系统由多个面向领域的微服务组成，由若干跨职能团队共同开发。通过您的工作，您将为全球数以千计酒店员工的工作体验带来改善。 Key Areas of Responsibilities Designing, implementing and then maintaining new functionalities inside a living system Designing scalable solutions within existing microservices ecosystem using Domain-Driven Design principles Implement complex business logic for hotel management operations including reservations, billing, and reporting Ensure backward compatibility while evolving system architecture Design fault-tolerant components that handle high-volume hospitality data processing Collaborate with product teams to translate business requirements into technical specifications 主要职责范围 1. 系统功能的开发、实施与维护 运用领域驱动设计（Domain-Driven Design）的原则，在现有的微服务（microservice）生态系统中设计可扩展的解决方案。 实现复杂的酒店管理业务逻辑，包括预订、费用结算和报表功能。 在系统架构不断进化的过程中，确保其兼容性。 设计容错组件，以应对高吞吐量的数据处理任务。 与产品团队协作，将业务需求进行技术转化。 Building dedicated export solutions for 3rd parties Design and implement robust APIs for external hotel management systems integration Create data export mechanisms for property management systems, channel managers, and revenue management tools Implement secure authentication and authorization for B2B integrations Develop file-based export solutions supporting various formats (XML, JSON, CSV) Ensure data consistency and reliability in external data exchanges Manage API versioning and maintain backward compatibility for existing integrations 2. 为第三方构建专用的数据导出解决方案 为与酒店管理系统对接的第三方系统设计并实现稳健的 API 集成。 为酒店管理系统（PMS）、渠道管理系统（Channel Management）及收益管理工具创建数据导出机制。 为 B2B 集成实施安全的身份验证和授权机制。 开发支持多种格式（XML, JSON, CSV）的基于文件的导出解决方案。 确保外部数据交换的一致性和可靠性。 管理 API 版本控制，并维护现有集成兼容性。 Building scalable aggregated data strategy for analytical and reporting purposes Design efficient data aggregation pipelines for hotel performance analytics and business intelligence Implement real-time and batch processing solutions for large-scale hospitality data Create optimized data models for reporting on occupancy, revenue, and operational metrics Develop ETL processes that handle complex hotel data transformations Ensure data quality and consistency across multiple data sources Collaborate with data analysts to understand reporting requirements and optimize query performance 3. 为分析和报表目的构建可扩展的数据聚合策略 设计高效的数据聚合管道，用于酒店经营分析和商业智能（BI）。 对于酒店大数据场景设计实时和批处理解决方案。 创建针对入住率、收入和运营指标报表的优化数据模型。 开发处理复杂酒店数据转换的 ETL（抽取、转换、加载）流程。 确保来自多个数据源的数据质量和一致性。 与数据分析师协作，理解报表需求并优化查询性能。 Performing code reviews daily and participating in code review process Conduct thorough code reviews focusing on code quality, security, and performance Ensure adherence to coding standards, SOLID principles, and established architectural patterns Provide constructive feedback on implementation approaches and suggest improvements Review database queries for optimization opportunities and potential performance issues Validate proper error handling, logging, and monitoring implementation Submit well-documented pull/merge requests with clear descriptions and context Respond promptly to review feedback and implement suggested improvements Engage in technical discussions about implementation approaches and design decisions Follow established branching strategies and merge procedures Ensure all code changes include appropriate unit and integration tests Maintain high code coverage and quality metrics 4. 每日进行代码审查并参与评审流程 专注于代码质量、安全性和性能进行彻底的代码审查。 确保代码符合编码标准、SOLID 原则及既定的架构模式。 就实现方法提供富有建设性的反馈并提出改进建议。 审查数据库查询，寻找优化机会并发现潜在的性能问题。 验证错误处理、日志记录和监控功能的正确实施。 提交带有清晰描述和上下文的、文档齐全的拉取/合并请求（Pull/Merge Requests）。 及时响应审查反馈并落实改进建议。 参与关于实现方法和设计决策的技术讨论。 遵循既定的分支策略和合并流程。 确保所有代码变更都包含适当的单元测试和集成测试。 保持较高的代码覆盖率和质量。 Using advanced tools to optimize performance of SQL queries used in APIs and reports Analyze and optimize complex PostgreSQL queries handling large hospitality datasets Design efficient database indexes and partitioning strategies for time-series hotel data Implement query optimization techniques including proper join strategies and subquery optimization Use database profiling tools to identify and resolve performance bottlenecks Monitor query execution plans and implement caching strategies where appropriate Optimize Entity Framework queries and implement efficient data access patterns 5. 使用高级工具优化 API 和报表中 SQL 查询的性能 分析并优化处理大型酒店数据集的复杂 PostgreSQL 查询。 为时序酒店数据设计高效的数据库索引和分区策略。 实施查询优化技术，包括适当的连接（Join）策略和子查询优化。 使用数据库性能分析工具识别并解决性能瓶颈。 监控查询执行计划，并在适当情况下实施缓存策略。 优化 Entity Framework 查询并实施高效的数据访问模式。 Working in collaborative and iterative software development process with agile team Actively participate in Scrum ceremonies including daily standups, sprint planning, and retrospectives Collaborate effectively with cross-functional teams including QA, Infrastructure, and Product Team people Contribute to sprint planning by providing accurate effort estimates and technical insights Adapt to changing requirements while maintaining code quality and delivery timelines Practice continuous integration and deployment with automated testing and monitoring Participate in incident response and post-mortem analysis for production issues 6. 在敏捷开发的框架下进行协作式、迭代式的软件开发 积极参与例会、迭代规划和评审会议等。 与质量保证（QA）、产品构架以及产品团队等跨职能团队进行有效协作。 通过提供准确的工作量预估和技术洞察，参与迭代规划。 在保持代码质量和交付时间线的前提下，适应不断变化的需求。 通过自动化测试和监控实践持续集成与持续部署（CI/CD）。 参与生产环境问题的事件响应和事后分析（Post-mortem analysis）。 Technologies used: C# 9, .NET Core - Latest C# features and modern .NET ecosystem PostgreSQL (13+) - Advanced SQL features, JSON support, partitioning, and performance tuning Microservices - Service-oriented architecture, inter-service communication, and distributed system patterns Swagger - API documentation, testing, and client code generation Docker - Containerization, orchestration, and deployment strategies Redis - Caching, session management, and distributed data structures Kafka - Event streaming, message queuing, and asynchronous communication between services Elastic Search (nice to have) - Full-text search, log aggregation, and analytics Visual Studio 2022 / Resharper / Rider - Professional development environment with advanced debugging and refactoring tools 技术需求 C#9,.NET Core：使用较新的 C#特性和现代.NET 生态系统。 PostgreSQL：高级 SQL 特性、JSON 支持、分区及性能调优。 微服务：面向服务的架构、服务间通信及分布式系统模式。 Swagger：API 文档生成、测试及客户端代码生成。 Docker：容器化、编排及部署策略。 Redis：缓存、会话管理及分布式数据结构。 Kafka：事件流处理、消息队列及服务间的异步通信。 Elastic Search（加分项）：全文搜索、日志聚合及分析。 Visual Studio 2022 / Resharper / Rider：配备高级调试和重构工具的专业开发环境。 Qualifications Strong verbal and written communication skills in English are required Ability to communicate complex technical concepts to both technical and non-technical stakeholders Experience in writing clear technical documentation and API specifications Effective collaboration in international, distributed teams Being fluent in Object-Oriented and Functional Programming paradigms Deep understanding of OOP principles Experience with functional programming concepts in C# Knowledge of design patterns Knowledge of .NET 8/9, Entity Framework Proficiency in latest .NET features including minimal APIs, global using directives, and filescoped namespaces Advanced Entity Framework Core knowledge including migrations, query optimization, and performance tuning Experience with dependency injection, middleware, and ASP.NET Core pipeline Strong experience with PostgreSQL Advanced SQL skills including complex joins, window functions, and CTEs Database design and normalization principles Experience with PostgreSQL-specific features like JSON/JSONB, arrays, and custom data types Knowledge of database performance tuning and query optimization Good understanding and hands-on experience in database performance aspects Index design and optimization strategies Query execution plan analysis and optimization Database monitoring and performance metrics analysis Experience with connection pooling and transaction management Capability of writing clean code along with tests Test-driven development (TDD) and behavior-driven development (BDD) practices Unit testing, integration testing, and end-to-end testing strategies Code coverage analysis and quality metrics Clean code principles and SOLID design patterns Being an open-minded, proactive person Willingness to learn new technologies and adapt to changing requirements Initiative in identifying and solving problems before they impact the team Collaborative approach to problem-solving and knowledge sharing Proactive attitude and continuous improvement Self-motivated approach to professional development Regular participation in technical communities and staying updated with industry trends Initiative in proposing and implementing process improvements Minimum 3-year experience in similar position and minimum 5 years of experience in IT industry Proven track record in senior backend development roles Experience in leading technical initiatives and mentoring other developers Demonstrated ability to work with complex, distributed systems 任职要求 英语能力：要求具备流利的英语口语和书面沟通能力，能够向技术和非技术利益相 关者传达复杂的技术概念；具备撰写清晰的技术文档和 API 规范的经验；能有效地在国际化的分布式团队中协作。 编程范式：精通面向对象（OOP）和函数式编程（FP）范式，对 OOP 原则有深刻理 解，具备 C#函数式编程概念的经验，并掌握设计模式。 .NET 技术：具备.NET 8/9 和 Entity Framework 的扎实经验，精通.NET 特 性；高级 Entity Framework Core 知识（包括迁移、查询优化和性能调优）；具备依赖注入、中间件和 ASP.NET Core 管道的经验。 PostgreSQL：具备丰富的 PostgreSQL 实战经验，拥有高级 SQL 技能（包括复杂连接、窗口函数和 CTE）；掌握数据库设计和规范化原则；具备 PostgreSQL 特定功能 （如 JSON/JSONB、数组和自定义数据类型）的经验；拥有数据库性能调优和查询优化的知识。 数据库性能：具备编写代码及配套测试的能力，熟悉测试驱动开发（TDD）和行为驱动开发（BDD）实践；掌握单元测试、集成测试和端到端测试策略；了解代码覆盖率分析和质量指标；遵循整洁代码原则和 SOLID 设计模式。 软性素质：思维开放、积极主动，乐于学习新技术并适应变化的需求；能主动发现问题并在其影响团队前解决；乐于协作解决问题并分享知识；具备自我激励的职业发展态度，定期参与技术社区并紧跟行业趋势；能主动提出并实施流程改进方案。 工作经验：至少 3 年同类职位经验，且在 IT 行业拥有至少 5 年经验；在高级后端开发岗位上有可证实的业绩；具备领导技术项目并指导其他开发人员的经验；具备处理复杂分布式系统的能力。 Nice To Have Skills: Basics of Linux, Docker Linux command line proficiency and system administration basics Docker containerization, Docker Compose, and container orchestration Domain-Driven Design DDD concepts including bounded contexts, aggregates, and domain events Experience with CQRS and Event Sourcing patterns Command Query Responsibility Segregation implementation Event sourcing architecture and event store management Experience with event-driven architecture patterns Experience with distributed systems and web services Microservices communication patterns (synchronous and asynchronous) Distributed transaction management and eventual consistency Experience in AWS RDS PostgreSQL and other AWS database-related technologies is a plus AWS RDS configuration, monitoring, and optimization AWS database migration services and backup strategies CloudWatch monitoring and performance insights Experience in hospitality systems & familiarity with hospitality applications is a strong plus Understanding of hotel operations including reservations, check-in/check-out, and billing processes Knowledge of hospitality industry standards and integrations (PMS, CRS, GDS) Experience with hotel revenue management and reporting requirements Familiarity with hospitality-specific data models and business rules 加分技能（Nice To Have） Linux 与 Docker 基础：熟练使用 Linux 命令行及系统管理基础；具备 Docker 容器化、Docker Compose 及容器编排的经验。 领域驱动设计（DDD）：了解 DDD 概念，包括限界上下文（Bounded Contexts）、聚合（Aggregates）和领域事件（Domain Events）。 CQRS 与事件溯源模式：具备命令查询职责分离（CQRS）和事件溯源（Event Sourcing）架构及事件存储管理的经验。 分布式系统与 Web 服务：具备微服务通信模式（同步和异步）的经验；了解分布式事务管理和最终一致性。 AWS 技术：具备 AWS RDS PostgreSQL 及其他 AWS 数据库相关技术的经验者优先，包括 AWS RDS 配置、监控与优化；AWS 数据库迁移服务及备份策略；AWS CloudWatch 监控及性能洞察。 酒店系统经验：具备酒店系统经验并对酒店应用熟悉者将被视为极大的优势，包括了解酒店运营（预订、入住/退房、计费流程）；熟悉酒店行业标准及集成（PMS, CRS, GDS）；了解酒店收益管理和报表要求；熟悉酒店特定的数据模型和业务规则。 年龄要求：25岁以上 职能类别：.NET

Job Description Your job will be to develop a part of a distributed system that serves the hospitality industry. The system consists of many domain-oriented microservices developed under a few cross-functional teams. You can bring a smile on the faces of thousands of people working in hotels across the globe. 职位描述 我们的酒店管理解决方案由多个面向领域的微服务（domain-oriented microservices）组成，并由数个跨职能团队共同开发。您将参与开发面向酒店行业的分布式系统的一部分。该系统由多个面向领域的微服务组成，由若干跨职能团队共同开发。通过您的工作，您将为全球数以千计酒店员工的工作体验带来改善。 Key Areas of Responsibilities Designing, implementing and then maintaining new functionalities inside a living system Designing scalable solutions within existing microservices ecosystem using Domain-Driven Design principles Implement complex business logic for hotel management operations including reservations, billing, and reporting Ensure backward compatibility while evolving system architecture Design fault-tolerant components that handle high-volume hospitality data processing Collaborate with product teams to translate business requirements into technical specifications 主要职责范围 1. 系统功能的开发、实施与维护 运用领域驱动设计（Domain-Driven Design）的原则，在现有的微服务（microservice）生态系统中设计可扩展的解决方案。 实现复杂的酒店管理业务逻辑，包括预订、费用结算和报表功能。 在系统架构不断进化的过程中，确保其兼容性。 设计容错组件，以应对高吞吐量的数据处理任务。 与产品团队协作，将业务需求进行技术转化。 Building dedicated export solutions for 3rd parties Design and implement robust APIs for external hotel management systems integration Create data export mechanisms for property management systems, channel managers, and revenue management tools Implement secure authentication and authorization for B2B integrations Develop file-based export solutions supporting various formats (XML, JSON, CSV) Ensure data consistency and reliability in external data exchanges Manage API versioning and maintain backward compatibility for existing integrations 2. 为第三方构建专用的数据导出解决方案 为与酒店管理系统对接的第三方系统设计并实现稳健的 API 集成。 为酒店管理系统（PMS）、渠道管理系统（Channel Management）及收益管理工具创建数据导出机制。 为 B2B 集成实施安全的身份验证和授权机制。 开发支持多种格式（XML, JSON, CSV）的基于文件的导出解决方案。 确保外部数据交换的一致性和可靠性。 管理 API 版本控制，并维护现有集成兼容性。 Building scalable aggregated data strategy for analytical and reporting purposes Design efficient data aggregation pipelines for hotel performance analytics and business intelligence Implement real-time and batch processing solutions for large-scale hospitality data Create optimized data models for reporting on occupancy, revenue, and operational metrics Develop ETL processes that handle complex hotel data transformations Ensure data quality and consistency across multiple data sources Collaborate with data analysts to understand reporting requirements and optimize query performance 3. 为分析和报表目的构建可扩展的数据聚合策略 设计高效的数据聚合管道，用于酒店经营分析和商业智能（BI）。 对于酒店大数据场景设计实时和批处理解决方案。 创建针对入住率、收入和运营指标报表的优化数据模型。 开发处理复杂酒店数据转换的 ETL（抽取、转换、加载）流程。 确保来自多个数据源的数据质量和一致性。 与数据分析师协作，理解报表需求并优化查询性能。 Performing code reviews daily and participating in code review process Conduct thorough code reviews focusing on code quality, security, and performance Ensure adherence to coding standards, SOLID principles, and established architectural patterns Provide constructive feedback on implementation approaches and suggest improvements Review database queries for optimization opportunities and potential performance issues Validate proper error handling, logging, and monitoring implementation Submit well-documented pull/merge requests with clear descriptions and context Respond promptly to review feedback and implement suggested improvements Engage in technical discussions about implementation approaches and design decisions Follow established branching strategies and merge procedures Ensure all code changes include appropriate unit and integration tests Maintain high code coverage and quality metrics 4. 每日进行代码审查并参与评审流程 专注于代码质量、安全性和性能进行彻底的代码审查。 确保代码符合编码标准、SOLID 原则及既定的架构模式。 就实现方法提供富有建设性的反馈并提出改进建议。 审查数据库查询，寻找优化机会并发现潜在的性能问题。 验证错误处理、日志记录和监控功能的正确实施。 提交带有清晰描述和上下文的、文档齐全的拉取/合并请求（Pull/Merge Requests）。 及时响应审查反馈并落实改进建议。 参与关于实现方法和设计决策的技术讨论。 遵循既定的分支策略和合并流程。 确保所有代码变更都包含适当的单元测试和集成测试。 保持较高的代码覆盖率和质量。 Using advanced tools to optimize performance of SQL queries used in APIs and reports Analyze and optimize complex PostgreSQL queries handling large hospitality datasets Design efficient database indexes and partitioning strategies for time-series hotel data Implement query optimization techniques including proper join strategies and subquery optimization Use database profiling tools to identify and resolve performance bottlenecks Monitor query execution plans and implement caching strategies where appropriate Optimize Entity Framework queries and implement efficient data access patterns 5. 使用高级工具优化 API 和报表中 SQL 查询的性能 分析并优化处理大型酒店数据集的复杂 PostgreSQL 查询。 为时序酒店数据设计高效的数据库索引和分区策略。 实施查询优化技术，包括适当的连接（Join）策略和子查询优化。 使用数据库性能分析工具识别并解决性能瓶颈。 监控查询执行计划，并在适当情况下实施缓存策略。 优化 Entity Framework 查询并实施高效的数据访问模式。 Working in collaborative and iterative software development process with agile team Actively participate in Scrum ceremonies including daily standups, sprint planning, and retrospectives Collaborate effectively with cross-functional teams including QA, Infrastructure, and Product Team people Contribute to sprint planning by providing accurate effort estimates and technical insights Adapt to changing requirements while maintaining code quality and delivery timelines Practice continuous integration and deployment with automated testing and monitoring Participate in incident response and post-mortem analysis for production issues 6. 在敏捷开发的框架下进行协作式、迭代式的软件开发 积极参与例会、迭代规划和评审会议等。 与质量保证（QA）、产品构架以及产品团队等跨职能团队进行有效协作。 通过提供准确的工作量预估和技术洞察，参与迭代规划。 在保持代码质量和交付时间线的前提下，适应不断变化的需求。 通过自动化测试和监控实践持续集成与持续部署（CI/CD）。 参与生产环境问题的事件响应和事后分析（Post-mortem analysis）。 Technologies used: C# 9, .NET Core - Latest C# features and modern .NET ecosystem PostgreSQL (13+) - Advanced SQL features, JSON support, partitioning, and performance tuning Microservices - Service-oriented architecture, inter-service communication, and distributed system patterns Swagger - API documentation, testing, and client code generation Docker - Containerization, orchestration, and deployment strategies Redis - Caching, session management, and distributed data structures Kafka - Event streaming, message queuing, and asynchronous communication between services Elastic Search (nice to have) - Full-text search, log aggregation, and analytics Visual Studio 2022 / Resharper / Rider - Professional development environment with advanced debugging and refactoring tools 技术需求 C#9,.NET Core：使用较新的 C#特性和现代.NET 生态系统。 PostgreSQL：高级 SQL 特性、JSON 支持、分区及性能调优。 微服务：面向服务的架构、服务间通信及分布式系统模式。 Swagger：API 文档生成、测试及客户端代码生成。 Docker：容器化、编排及部署策略。 Redis：缓存、会话管理及分布式数据结构。 Kafka：事件流处理、消息队列及服务间的异步通信。 Elastic Search（加分项）：全文搜索、日志聚合及分析。 Visual Studio 2022 / Resharper / Rider：配备高级调试和重构工具的专业开发 环境。 Qualifications Strong verbal and written communication skills in English are required Ability to communicate complex technical concepts to both technical and non-technical stakeholders Experience in writing clear technical documentation and API specifications Effective collaboration in international, distributed teams Being fluent in Object-Oriented and Functional Programming paradigms Deep understanding of OOP principles Experience with functional programming concepts in C# Knowledge of design patterns Knowledge of .NET 8/9, Entity Framework Proficiency in latest .NET features including minimal APIs, global using directives, and filescoped namespaces Advanced Entity Framework Core knowledge including migrations, query optimization, and performance tuning Experience with dependency injection, middleware, and ASP.NET Core pipeline Strong experience with PostgreSQL Advanced SQL skills including complex joins, window functions, and CTEs Database design and normalization principles Experience with PostgreSQL-specific features like JSON/JSONB, arrays, and custom data types Knowledge of database performance tuning and query optimization Good understanding and hands-on experience in database performance aspects Index design and optimization strategies Query execution plan analysis and optimization Database monitoring and performance metrics analysis Experience with connection pooling and transaction management Capability of writing clean code along with tests Test-driven development (TDD) and behavior-driven development (BDD) practices Unit testing, integration testing, and end-to-end testing strategies Code coverage analysis and quality metrics Clean code principles and SOLID design patterns Being an open-minded, proactive person Willingness to learn new technologies and adapt to changing requirements Initiative in identifying and solving problems before they impact the team Collaborative approach to problem-solving and knowledge sharing Proactive attitude and continuous improvement Self-motivated approach to professional development Regular participation in technical communities and staying updated with industry trends Initiative in proposing and implementing process improvements Minimum 3-year experience in similar position and minimum 5 years of experience in IT industry Proven track record in senior backend development roles Experience in leading technical initiatives and mentoring other developers Demonstrated ability to work with complex, distributed systems 任职要求 英语能力：要求具备流利的英语口语和书面沟通能力，能够向技术和非技术利益相 关者传达复杂的技术概念；具备撰写清晰的技术文档和 API 规范的经验；能有效地在国际化的分布式团队中协作。 编程范式：精通面向对象（OOP）和函数式编程（FP）范式，对 OOP 原则有深刻理 解，具备 C#函数式编程概念的经验，并掌握设计模式。 .NET 技术：具备.NET 8/9 和 Entity Framework 的扎实经验，精通.NET 特 性；高级 Entity Framework Core 知识（包括迁移、查询优化和性能调优）；具备依赖注入、中间件和 ASP.NET Core 管道的经验。 PostgreSQL：具备丰富的 PostgreSQL 实战经验，拥有高级 SQL 技能（包括复杂连接、窗口函数和 CTE）；掌握数据库设计和规范化原则；具备 PostgreSQL 特定功能 （如 JSON/JSONB、数组和自定义数据类型）的经验；拥有数据库性能调优和查询优化的知识。 数据库性能：具备编写代码及配套测试的能力，熟悉测试驱动开发（TDD）和行为驱动开发（BDD）实践；掌握单元测试、集成测试和端到端测试策略；了解代码覆盖率分析和质量指标；遵循整洁代码原则和 SOLID 设计模式。 软性素质：思维开放、积极主动，乐于学习新技术并适应变化的需求；能主动发现问题并在其影响团队前解决；乐于协作解决问题并分享知识；具备自我激励的职业发展态度，定期参与技术社区并紧跟行业趋势；能主动提出并实施流程改进方案。 工作经验：至少 3 年同类职位经验，且在 IT 行业拥有至少 5 年经验；在高级后端开发岗位上有可证实的业绩；具备领导技术项目并指导其他开发人员的经验；具备处理复杂分布式系统的能力。 Nice To Have Skills: Basics of Linux, Docker Linux command line proficiency and system administration basics Docker containerization, Docker Compose, and container orchestration Domain-Driven Design DDD concepts including bounded contexts, aggregates, and domain events Experience with CQRS and Event Sourcing patterns Command Query Responsibility Segregation implementation Event sourcing architecture and event store management Experience with event-driven architecture patterns Experience with distributed systems and web services Microservices communication patterns (synchronous and asynchronous) Distributed transaction management and eventual consistency Experience in AWS RDS PostgreSQL and other AWS database-related technologies is a plus AWS RDS configuration, monitoring, and optimization AWS database migration services and backup strategies CloudWatch monitoring and performance insights Experience in hospitality systems & familiarity with hospitality applications is a strong plus Understanding of hotel operations including reservations, check-in/check-out, and billing processes Knowledge of hospitality industry standards and integrations (PMS, CRS, GDS) Experience with hotel revenue management and reporting requirements Familiarity with hospitality-specific data models and business rules 加分技能（Nice To Have） Linux 与 Docker 基础：熟练使用 Linux 命令行及系统管理基础；具备 Docker 容器化、Docker Compose 及容器编排的经验。 领域驱动设计（DDD）：了解 DDD 概念，包括限界上下文（Bounded Contexts）、聚合（Aggregates）和领域事件（Domain Events）。 CQRS 与事件溯源模式：具备命令查询职责分离（CQRS）和事件溯源（Event Sourcing）架构及事件存储管理的经验。 分布式系统与 Web 服务：具备微服务通信模式（同步和异步）的经验；了解分布式事务管理和最终一致性。 AWS 技术：具备 AWS RDS PostgreSQL 及其他 AWS 数据库相关技术的经验者优先，包括 AWS RDS 配置、监控与优化；AWS 数据库迁移服务及备份策略；AWS CloudWatch 监控及性能洞察。 酒店系统经验：具备酒店系统经验并对酒店应用熟悉者将被视为极大的优势，包括了解酒店运营（预订、入住/退房、计费流程）；熟悉酒店行业标准及集成（PMS, CRS, GDS）；了解酒店收益管理和报表要求；熟悉酒店特定的数据模型和业务规则。 年龄要求：25岁以上 职能类别：.NET

【职责内容】 工作职责： 1. 根据公司整体业务规划，制定招商计划，选择招商方式和控制招商渠道，实施招商计划，负责连锁品牌商户的战略合作、商务洽谈并签订合作协议； 2. 统筹商家、手艺人的开发，与业务规划相匹配的美业企业洽谈，完成公司下达的各项业务指标，保证公司经营目标； 3. 负责后期运营管理过程中商家组合动态调整，并建立调整、淘汰的原则与标准；建立并动态维护商家服务分层标准，建立并维护良好的平台与商家关系；组织和推动与招商相关的合同、协议的标准化工作。 任职资格： 1. 大专以上学历，5年以上工作经验； 2. 有美业资源、BD经验者优先考虑； 3. 沟通协调能力较好，解决问题能力强； 4. 拥有很强的分析和应变能力。

工作职责 1、通过数据复盘、案例酒店、市场趋势启动KP意愿；  2、基于酒店情况及数据，为酒店提供相应的解决方案；  3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品； 4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格 1、良好的表达与管理层沟通谈判能力；  2、有数据分析和解读能力，并找出机会点；  3、抗压能力强，主动积极学习和团队精神； 4、乐于接受新事物，有一定的互联网思维； 5、从事OTA或是高星酒店3年以上，熟悉高星酒店的内部运作。

职责描述：  1、通过数据复盘、案例酒店、市场趋势启动KP意愿；  2、基于酒店情况及数据，为酒店提供相应的解决方案；  3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品； 4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格 1、良好的表达与管理层沟通谈判能力；  2、有数据分析和解读能力，并找出机会点；  3、抗压能力强，主动积极学习和团队精神；  4、乐于接受新事物，有一定的互联网思维；  5、从事OTA或是高星酒店3年以上，熟悉高星酒店的内部运作。

工作职责: 1、负责高星酒店的签约及日常维护，为公司制定的销售额目标负责； 2、对接高星酒店的总经理及各部门总监，建立好客情关系且维护好商业互信； 3、能倾听且识别酒店高层的需求，并提供有效的营销解决方案，并推动落地； 4、基于酒店现状及营销数据分析，能识别出问题和机会且能打动客户，从而创造新的销售机会； 5、持续学习公司的营销案例、私域SaaS新功能等价值，持续输出给酒店高层，巩固合作且持续创造新的销售机会。 任职资格: 1、 本科学历且有良好沟通能力和商务谈判能力； 2、 有较强的数据分析能力； 3、有互联网公司3年以上销售工作经验，熟悉高星酒店者优先； 4、自驱力强，学习能力强，具备较强的抗压能力和团队精神。 特别说明： 履历-OTA: 美团高星BD、携程高星BD，飞猪高星BD，抖音高星BD等岗位优先; 履历-高星酒店采购：高星酒店采购背景优先； 履历-高星酒店：收益、Digital岗位优先。

工作职责 1、协助酒店完成直销产品的落地；  2、培训酒店员工对直销系统的使用和培训，掌握直销产品销售流程；  3、结合数据的分析，产品的价格、库存监控做好产品优化工作； 4、产品流量运营，对酒店的交易产出负责； 任职资格 1、具备亲和力、良好的表达与沟通能力；  2、抗压能力强，主动并积极和团队精神；  3、有数据分析和解读能力；  4、从事OTA或是高星酒店1年以上，在酒店从事官微对接为佳；  5、能够接受出差，会开车优先。

工作职责: 1、协助酒店完成直销产品的落地； 2、培训酒店员工对直销系统的使用和培训，掌握直销产品销售流程； 3、结合数据的分析，产品的价格、库存监控做好产品优化工作； 4、产品流量运营，对酒店的交易产出负责。 任职资格: 1、良好的表达与沟通能力； 2、学历本科，具备良好的学习能力； 3、抗压能力强，主动并积极和团队精神； 4、有数据分析和解读能力； 5、从事OTA或是高星酒店1年以上，在酒店从事官微对接/餐饮经理/渠道经理/收益经理为佳。

岗位职责： 1、通过数据复盘、案例酒店、市场趋势启动KP意愿；  2、基于酒店情况及数据，为酒店提供相应的解决方案；  3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品；  4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格 1、良好的表达与管理层沟通谈判能力；  2、有数据分析和解读能力，并找出机会点；  3、抗压能力强，主动积极学习和团队精神；  4、乐于接受新事物，有一定的互联网思维；  5、从事OTA或是高星酒店2年以上，熟悉高星酒店的内部运作。

职责描述： 1、通过数据复盘、案例酒店、市场趋势启动KP意愿； 2、基于酒店情况及数据，为酒店提供相应的解决方案； 3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品； 4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格： 1、良好的表达与管理层沟通谈判能力； 2、有数据分析和解读能力，并找出机会点； 3、抗压能力强，主动积极学习和团队精神； 4、乐于接受新事物，有一定的互联网思维； 5、从事OTA或是高星酒店3年以上，熟悉高星酒店的内部运作。

岗位职责： 1、面对酒店管理层做产品宣讲，签署合作协议； 2、基于公司的数据库，为酒店的直销产品设计提供咨询服务。 任职要求： 1、大专学历以上，本科及以上学历优先，能熟练使用办公软件； 2、具备3年以上酒店批发商、OTA或五星级酒店销售管理经验； 3、熟悉所负责区域的酒店市场，并且具有一定的人脉资源； 4、优秀的人际沟通能力和团队协作精神，能够承受一定压力； 5、可接受出差。

工作职责: 1、协助酒店完成直销产品的落地； 2、培训酒店员工对直销系统的使用和培训，掌握直销产品销售流程； 3、结合数据的分析，产品的价格、库存监控做好产品优化工作； 4、产品流量运营，对酒店的交易产出负责。 任职资格: 1、具备亲和力、良好的表达与沟通能力； 2、抗压能力强，主动并积极和团队精神； 3、有数据分析和解读能力； 4、从事OTA或是高星酒店1年以上，在酒店从事官微对接为佳。

岗位职责： 1、协助酒店完成直销产品的落地； 2、培训酒店员工直销系统的使用、产品销售流程。 岗位要求： 1、大专学历以上，本科及以上学历优先，能熟练使用办公软件； 2、具备3年以上五星级酒店、OTA渠道或酒店直销系统运营经验； 3、良好的沟通协调能力及表达能力； 4、可接受出差。

岗位职责： 1、面对酒店管理层做产品宣讲，签署合作协议； 2、基于公司的数据库，为酒店的直销产品设计提供咨询服务。 任职要求： 1、大专学历以上，本科及以上学历优先，能熟练使用办公软件； 2、具备3年以上酒店批发商、OTA或五星级酒店销售管理经验； 3、熟悉所负责区域的酒店市场，并且具有一定的人脉资源； 4、优秀的人际沟通能力和团队协作精神，能够承受一定压力； 5、可接受出差。

工作职责: 1、协助酒店完成直销产品的落地； 2、培训酒店员工对直销系统的使用和培训，掌握直销产品销售流程； 3、结合数据的分析，产品的价格、库存监控做好产品优化工作； 4、产品流量运营，对酒店的交易产出负责。 任职资格: 1、具备亲和力、良好的表达与沟通能力； 2、抗压能力强，主动并积极和团队精神； 3、有数据分析和解读能力； 4、从事OTA或是高星酒店1年以上，在酒店从事官微对接为佳。

工作职责 1、通过数据复盘、案例酒店、市场趋势启动KP意愿； 2、基于酒店情况及数据，为酒店提供相应的解决方案； 3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品； 4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格  1、良好的表达与管理层沟通谈判能力； 2、有数据分析和解读能力，并找出机会点； 3、抗压能力强，主动积极学习和团队精神； 4、乐于接受新事物，有一定的互联网思维； 5、从事OTA或是高星酒店3年以上，熟悉高星酒店的内部运作。

职责描述：  1、通过数据复盘、案例酒店、市场趋势启动KP意愿；  2、基于酒店情况及数据，为酒店提供相应的解决方案；  3、基于公司数据库，案例分享、新平台、新趋势、新功能等价值持续输出给酒店并优化产品； 4、面对酒店管理层宣讲，开发市场上的酒店并达成合作。 任职资格 1、良好的表达与管理层沟通谈判能力；  2、有数据分析和解读能力，并找出机会点；  3、抗压能力强，主动积极学习和团队精神；  4、乐于接受新事物，有一定的互联网思维；  5、从事OTA或是高星酒店3年以上，熟悉高星酒店的内部运作。

【职责内容】 工作职责： 1、定期为广州、深圳、2个城市的美甲美睫手艺人提供成长培训，包括专业美甲技术美睫技术，专业理论知识，销售技巧，客情维护等； 2、协助美甲美睫类目项目经理，制定美甲美睫手艺人入驻平台的试手考核/技术等评定考核的流程、考核标准、考核规范； 3、为手艺人进行美甲美睫/技术等级评定考核； 4、为手艺人提供新项目、新产品上架的相关培训及复训； 5、协助类目经理制美甲美睫类目应季项目推广策略和培训计划，为手艺人提供促销相关的各类培训 任职资格： 1、持续从事美甲美睫行业5年以上，有丰富的专业理论知识； 2、精通各类美甲美睫技术专业知识，可为平台手艺人提供5星技术考核（最高技术水平）； 3、良好的沟通表达能力，抗压能力及学习能力； 4、熟悉线下美甲店的经营运作模式，能给手艺人店铺经营提供指导和帮助； 5、抗压能力力强,有学习力

【职责内容】 工作职责： 1、开发手艺人规模：调查了解当地手艺人生存和分布状态，相关行业市场状况，研究和制定城市手艺人的招商策略、政策和方法，扩大手艺人入驻规模。 2、手艺人运营管理：研究和分析手艺人的业务数据和顾客特点，通过培训会议、数据分析、销售活动、资源整合、店铺运营等方法，制定运营策略和计划，帮助手艺人在平台上提升交易额和团队发展，使手艺人拥有能够自主经营的能力。 3、消费者市场拓展：通过研究和了解当地目标消费者的特点，掌握消费者的习惯、爱好、生活方式等，形成城市的消费者画像，通过有效的市场活动接触消费者，使更多消费者知道、使用平台的服务。 任职资格： 1、 行业经验，以下四类经历任一类： 1） 从事过针对美业消费者群体的行业销售、运营经验5年以上； 2） 在快消、保险、直销等行业中曾担任过管理销售团队的职位5年以上； 3）或者曾经在美业相关的行业，担任过大区或区域管理职位5年以上； 4）管理过类似手艺人的团队的销售、运营或培训的经验5年以上； 2、团队管理经验：有带领过10人以上，或跨职能团队的经验；在团队组建、激励，以及人才培养和氛围营造上面有自己的方法。

职位描述： 1、负责家用美容仪器产品（射频/脱毛仪/超声炮）方案需求分析、技术选型及软件开发设计与交付。 2、负责配合硬件工程师完成硬件选型、调试及验证，解决软件问题和缺陷。 3、负责嵌入式软件的设计、代码编写与调试，性能评估与优化，技术攻关与创新。 4、负责产品软件全功能代码的实现及内测；测试标准，编写自动化测试固件。 5、负责相关技术文档编写以及量产后的软件维护与迭代。 任职要求： 1、本科及以上学历，电子、计算机、自动化相关专业。 2、5年以上嵌入式软件设计工作经验，具备一定复杂业务逻辑设计实现能力，有成熟嵌入式产品开发经验，有消费医疗、健康护理、按摩仪器、医疗产品、美容产品开发经验者优先考虑。 3、精通C/C++编程，有较强的编程实践能力，良好的质量意识；有BLE SOC、触控屏开发经验者优先考虑。 4、精通ARM构架MCU，熟练操作各种外设（UART、SPI、I2C、ADC、PWM等）及传感器驱动的开发与测试。 5、熟悉MCU低功耗处理技术，熟悉Cortex-M系列内核,熟练使KEIL/IAR等开发工具。 6、熟练阅读英文技术文档，熟悉硬件设计原理，熟练使用示波器、万用表等电子仪器。 7、熟悉美容仪二类和三类医美产品电气测试标准G9706&YY9706等。 上班时间: 大小周 ：上午09:00-12:00 下午13:30-18:15