Senior Backend Engineer - Node.js/TypeScript (AI Integration)
Core
Design and own production-grade backend systems integrating AI models, APIs, and data pipelines for banking and fintech clients.
Role type
Senior Backend Engineer (Node.js/TypeScript with AI Integration)
Builds
Scalable backend services, RESTful APIs, and RAG pipelines for real products.
Domain
Fintech / Banking / AI Infrastructure
Deliverable
production ML models | product features
Required skills
Node.js, TypeScript, Express.js, RESTful API design, LLM integration (Azure OpenAI, OpenAI API, AWS Bedrock), PostgreSQL, Redis, MongoDB, vector databases, RAG implementation, Jest, Playwright, agentic workflow patterns (LangChain, LangGraph)
Preferred skills
AWS Bedrock, multi-model orchestration, regulated industry experience (PII handling, audit logging), banking/fintech domain background
Technologies
Azure, AWS, Azure OpenAI, OpenAI API, AWS Bedrock, PostgreSQL, Redis, MongoDB, LangChain, LangGraph, Jest, Playwright
Responsibilities
Design and maintain scalable backend services; Integrate LLMs and AI services into production systems; Build and optimize RESTful APIs and data layers; Implement RAG pipelines using vector databases; Write and maintain automated tests; Deploy and operate services on cloud platforms; Apply agentic workflow patterns.
Seniority
Senior, hands-on IC
