Senior Backend Engineer

Join Jeen Talk and help build one of the most advanced Enterprise Conversational AI platforms. You'll develop production-ready Voice AI and Chat AI solutions used by enterprise customers worldwide, working on real-time voice infrastructure, AI orchestration, and modern web applications. You'll be part of a fast-moving startup environment with high ownership, working closely with Product, AI, and DevOps teams to build scalable AI-powered customer experience solutions.

Requirements: • 4+ years of Backend or Full Stack development experience, with a strong focus on backend development. • Strong hands-on experience with NestJS and TypeScript. • Strong experience designing and developing scalable backend services and architectures. • Experience building REST APIs and asynchronous services. • Experience with PostgreSQL, Redis, and relational data modeling. • Experience with Python and FastAPI or similar modern backend frameworks. • Experience with React and modern frontend development. • Experience integrating LLM APIs such as OpenAI, Azure OpenAI, Gemini, or Claude. • Strong understanding of scalable software architecture and distributed systems. • Experience working with Git, CI/CD, Docker, and production environments. Preferred Qualifications • Experience building Voice AI or Conversational AI applications. • Experience with SIP, VoIP, or telephony systems. • Experience with Twilio or enterprise communication platforms. • Experience with RAG pipelines and Vector Databases. • Experience with Kubernetes. • Experience with MCP (Model Context Protocol). • Experience deploying enterprise SaaS and On-Prem solutions.