Full Stack Developer

Objective of job The Software Engineering team (PT/TSCT) designs, builds and operates in-house digital applications for Mercedes-Benz China and drives the AI-enabled software delivery model for Tech China. The Full Stack Developer is a senior individual contributor in this team, responsible for the assigned in-house applications (e.g. OneWeb, MiniProgram and OCC): web and mini-program front ends, back-end services, data layer, and the associated test and deployment pipelines. The Full Stack Developer designs and implements features end to end within the agreed target architecture and team standards – solution design, object and data modelling, programming, automated testing, release and implementation support – working as an individual or in a pair in an agile, cross-functional team with product owners, architects and DevOps. The role develops rapid prototypes so that ideas can be tested and improved in short iterations, and applies the team’s approved AI-assisted engineering tools and practices while remaining fully accountable for the quality, security and maintainability of the code delivered. Solid experience in incremental and iterative software development (e.g. Domain-Driven Design, Extreme Programming, rapid prototyping) is expected.

Job designation 1. Solution design and implementation • Design and implement features end to end for the assigned in-house applications (e.g. OneWeb, MiniProgram and OCC) within the agreed target architecture, security requirements and team standards • Decide independently on implementation approach, component design and technology use within approved standards (S); decisions affecting target architecture, cross-team interfaces or security are taken with the relevant decision owners under the established approval process (C) • Apply agile practices and the team’s approved AI-assisted engineering practices; keep delivery status and impediments visible to the team and product owner • Identify and resolve issues that arise during development 2. Understanding customer and business need • Understand the business needs driving each initiative and translate them with the Product Owner into clear acceptance criteria • Build working prototypes that support core business objectives and business decisions • Work closely with stakeholders so that delivered features meet their expectations 3. Technology evaluation and adoption • Evaluate emerging technologies and AI-assisted development tools relevant to the assigned applications and deliver a concrete outcome: an evaluated prototype and a documented recommendation (P) • Adoption into the team’s delivery model is decided with the supervisor and, where standards or security are affected, with the relevant decision owners under the established approval process (C) • Keep own knowledge of development tools, platforms and practices current 4. Quality, stability and production support • Maintain automated tests for own changes, review changes of other developers and verify releases before and after deployment • Continuously improve code quality and performance using code analysis tools and refactoring; resolve security findings within the agreed timelines • Respond to production incidents for the assigned applications within the team’s agreed support arrangement (service levels and escalation path; on-call rota where applicable) • Perform root-cause analysis after incidents and implement measures that prevent recurrence

Qualification o Education • Bachelor’s degree or higher in computer science, software or information engineering, or a similar qualification o Experience (essential) • 5+ years of professional software development experience, including 3+ years designing application-level solutions (component, API and data design) within a development role; formal architect responsibility is not required • Demonstrated end-to-end delivery of production features across a front-end framework, a back-end stack, a relational database, automated testing and a CI/CD deployment workflow • Experience in agile software development across all stages of the software development life cycle • Practical experience delivering software with AI-assisted development tools (e.g. AI coding assistants, spec-driven development) and reviewing, testing and maintaining the resulting code • Working experience in a multinational or multicultural environment o Specific Knowledge (essential) • Professional proficiency in at least one back-end language used by the team (Java, Go, Python or TypeScript/Node.js) and one modern front-end framework (React, Vue or similar), with HTML5, CSS3, TypeScript/JavaScript, REST and JSON • Relational database design and SQL; containers, cloud-native services and CI/CD pipelines • Automated testing (unit, integration, end-to-end), code review and secure coding practices • Domain-driven design; ability to write maintainable, extensible and readable code and to build a PoC in a short period • AI in software delivery: applies approved AI tools within the SDLC in line with applicable information-handling and compliance rules, and remains responsible for understanding, reviewing, testing and maintaining every AI-assisted change • Good command of spoken and written Chinese and business-level English o Preferred • Additional back-end languages; NoSQL databases; functional programming • Mini-program or mobile development (WeChat Mini Program, iOS, Android)