AI Backend Developer (Node.js)

About the Position

About us We build AI-powered solutions that solve real business problems. You’ll work with the latest technologies and implement production-grade AI features, including RAG pipelines agentic and multi-agent workflows.

Responsibilities7

• Solve engineering problems related to process automation knowledge systems, and agentic / multi-agent architectures
• Design, build, and maintain AI-powered features that go beyond basic LLM API calls.
• Develop backend services using Node.js, Express, Fastify, or NestJS.
• Implement and iterate on RAG pipelines (retrieval strategies, chunking, evaluation, quality improvements).
• Integrate external APIs, payment systems, and authentication flows.
• Design clean REST APIs and ensure reliable client—server communication.
• Work with PostgreSQL

Requirements8

• Strong problem-solving mindset, creativity, and ability to learn quickly.
• Solid Node.js experience in production (2+ years).
• Practical experience and strong interest in LLM-based systems, not just simple ChatGPT-style wrappers, including: RAG, LangChain (bonus: LangGraph, LangSmith), Prompt engineering
• Understanding of backend fundamentals: APIs, databases, performance, and debugging
• Nice to have: Experience with Python and FastAPI, Redis, queues, caching.
• AWS or GCP familiarity.
• CI with GitHub Actions.
• Monitoring and tracing tools (Prometheus, Grafana, OpenTelemetry).

Benefits5

• Competitive salary and bonuses
• Remote-first culture
• Flexible schedule
• Open-minded, results-driven environment
• Product ownership and impact