Senior Full Stack Engineer - Shenzhen

Full stack delivery (backend-weighted): Design and build backend microservices, REST/GraphQL APIs, webhooks, and event-driven integrations connecting retail and D2C channels with internal systems (OMS, ERP, inventory, POS, WMS, payments). Implement and maintain supporting frontend/admin or internal tooling where needed. Subsystem ownership & architecture: Lead end-to-end execution of complex retail/omnichannel features — from technical design through deployment. Translate business

into scalable, high quality, fault-tolerant solutions; own at least one integration domain (e.g. order sync, inventory, catalog/pricing, or POS↔digital). Omnichannel data sync: Ensure reliable, near-real-time sync of orders, inventory, product catalogs, pricing, and customer data across online channels and physical retail touchpoints; handle failure modes, retries, and idempotency. Quality & production ownership: Conduct thorough code reviews; champion unit/integration testing, observability, and runbooks; participate in on-call and production incident response for retail-critical paths; reduce technical debt in core integration services. Mentorship & collaboration: Mentor junior and mid-level engineers; improve team engineering practices. Partner with Product, Solution Architects, QA, and adjacent teams (DCOM, Data, Production & Supply Chain) to deliver quarterly initiatives. Requirement Experience 4–6+ years in full stack or backend software development, with strong backend fundamentals. Track record in e-commerce, retail, omnichannel, or enterprise integration systems. Must Have Backend: APIs (REST/GraphQL), microservices, webhooks, event-driven / async integration patterns. Full stack: Comfortable delivering supporting frontend or internal admin UI (React/Vue or equivalent — adjust to your stack). Database (RDS or NoSQL DB): performance tuning, query optimization, production debugging. Production mindset: Code review, automated testing, documentation, incident troubleshooting. Communication: Fluent written and spoken English & Chinese. Working style: Self-directed, detail-oriented, accountable for deadlines and production quality. Nice to have Retail systems: POS, OMS, ERP, WMS, payment gateway integrations. Commerce platforms: Shopify Plus, headless commerce, custom commerce backends. Cloud & ops: AWS (EC2, RDS, CloudFront), Linux, bash scripting; AWS certification a plus.