- Participate in the development, maintenance, usages, and promotion of software and infrastructure components.- Participate in overseas credit card projects, including collection system, partner integration, system interaction.- Participate in CI/CD pipeline construction, including tech specification, open-source tools integration. - Participate in the technical research, model selection, produce evaluation for new business purpose. - In tenure, encapsulate Storage Component to offer general endpoints service for different cloud storage system, as AWS, MiniIO, OBS, OOS. - In tenure, build tracking system with Skywalking from scratch, and monitored 100+ online services. Also enhanced the source code, to fix some code bugs, and provide alarm ability by using online IM service. - In tenure, developed the project module for function and data exchange between Java and Golang system with GRPC as protocol and ETCD as register/discover center, and with rocketMq, for services decoupling and failure compensation.- In tenure, configured and implemented Gitlab Runner tools, to apply pre commit check process, such as sonar code analysis, unit test, also involved in design review, code review as tech experts.

- Responsible for project and technical management of government-enterprise projects, including technical solutions, schedule implementation, internal tech-stack upgrades, core product technical research and software development.- Provide technical consultation and support for multiple units of the company, including technical research, open-source evaluation, performance tuning, technical support, R&D and maintenance of infrastructure components.- Responsible for the technical management of 3 delivery lines and R&D team of about 20 people, including work plan designation, progress tracking, milestone management, and quality assurance of outputs, etc- Responsible for the construction of the internal software framework of the department, including open-source technology research, business scenario adaptation, and the establishment of own rapid development framework- Responsible for internal technical specifications, technical documents, code specification and management, quality review, etc- In tenure, responsible for the overall delivery of a national level project, including technical solutions, customer communication, R&D team management, core module R&D, successful implementation, etc.- In tenure, participated in a big data interactive and verification project for the National Information Center, including log files collection, content processing, error recording, alarm judgment and report functions, etc.- In tenure, led the internal developer framework, and used by 20+ projects. - In tenure, developed Java coding standards within the department, implemented sonar code review and integrated with Jenkins pipeline

- Responsible for planning, design and development of the product Open Service platform to serve large and medium sized enterprises.- Provide technical support for the inter-connection with third-party systems, including docking schemas, data and interface design, coding, development and deployment, online operation guarantee, etc.- In tenure, upgraded the technical framework, build a new open-api platform, integrated the old interface, added unified security and authority authentication, log system and open test platform, etc.- In tenure, successful completed the docking with over 10 self-build systems of multiple enterprises, and completed the data information synchronization between systems through OOD, asynchronous and scheduled tasks.

- Responsible for the design and development of the fundamental software architecture, EA architecture design, general system design etc. of the products of the Public Safety Division and related projects.- Lead the R&D team to provide technical solution and support for products and projects, including technical research, model selection, performance consulting and tuning, providing general software components and tools - Participated in the optimization and improvement of the R&D work and product delivery process of the business department, including process management optimization, quality management, etc., and implemented mainstream team collaboration models such as agile development, DDD etc.- In tenure, formulated various technical specifications such as coding specifications, code specifications, database design specifications and CI/CD process for the company's technology delivery team, and organized multiple internal technical trainings.- In tenure, led the technical department to design and develop an independent underlying framework based on J2EE and related open-source technologies, as well as general system component modules such RABC management and monitoring platforms, and independently designed and implemented development components such as automatic code generation- In tenure, participated in the bidding of several government projects, and was responsible for the technical parts, the preparation of bidding plans, and the evaluation of third-party technology introduction, etc.- In tenure, participated in and completed the demand research of a Smart City project, and led the development of the city's comprehensive enforcement service terminal.

- Participated in the development and implementation of information construction projects of nearly 10 national and provincial safety supervision bureaus.- Participated in the modification and optimization of the company's independent J2EE architecture, responsible for the design and development of some component modules, and at the same time quickly learned and mastered related businesses, participated in project demand research, business design, technology selection, function design, development, etc.。- Within half a year, be able to independently undertake the design and development of a single business module. And participated in the training of new employees in the engineering department, responsible for business explanations, architecture explanations, etc., and led the development team to complete the development and implementation of project functions。- As the project manager, lead a team of 6 people to successfully complete the project implementation. At the same time, he served as the technical director of the engineering department, responsible for the technical selection of each project team in the engineering department, technical document writing, technical breakthroughs, etc., as well as the customer's technical communication, decision-making, technical docking and other work content- In tenure, led a team of 5 people in 7 months to complete the entire project process from project contract, demand analysis, functional design, to module development and testing, implementation and deployment, project acceptance, review of each milestone, complete documentation, progress tracking, in line with the relevant requirements of CMMI5。- In tenure, independently completed the migration and docking of the legacy system modules, designed and implemented the relevant Webservice data interface and database migration script. At the same time, participated in the development of common FTP components, upload components, and RABC modules in the architecture。