About the Role:We're looking for a backend engineer to design and build our core Node.js services and APIs from scratch owning system design end to end and shipping AI/ML-powered features, including LLM and agentic capabilities, in a small, fast-moving team.Key Responsibilities:- Design and build core Node.js services and REST APIs from scratch, built to scale.- Own system design end to end service boundaries, data flow, caching, queueing, failure modes, and scale.- Ship AI/ML-powered features, including LLM and agentic capabilities.- Use LLMs and agentic tooling across the SDLC design, code generation, testing, and debugging.- Model data and optimize SQL/NoSQL queries; integrate with third-party platforms.- Debug production issues, own reliability,
and set engineering standards for the team.Requirements :- 4+ years building production backend systems in Node.js for B2C products at meaningful scale.- Solid system design skills able to reason clearly about scalability, reliability, and trade-offs.- Solid fundamentals in API design, service-oriented architecture, data structures, algorithms, and clean code.- Depth in SQL and/or NoSQL data modeling, query optimization, and performance tuning.- AI-native mindset already using LLMs and agentic approaches to maximize engineering efficiency.- Comfortable with the pace and breadth of a small team, picking up whatever moves the product forward. (ref:hirist.tech)