Role description

Job Summary:
We are seeking an experienced Senior Python / FastAPI Technical Lead with 7+ years of qualified software engineering experience. The ideal candidate will have strong hands-on Python backend development experience, with the ability to design, build and technically lead the implementation of scalable, production-ready backend services for agentic AI-enabled products. The role requires strong engineering capability, FastAPI/API development experience, LLM integration knowledge and the ability to mentor and guide other developers.

Key Responsibilities:

Develop and maintain efficient, reusable and reliable Python code.
Design and develop modular, scalable backend systems using FastAPI and related Python frameworks.
Technically lead a small team or feature delivery workstream, providing implementation guidance, code reviews and engineering direction.
Own the technical design and delivery of end-to-end backend product features.
Build backend services and APIs to support agentic AI features and product workflows.




Build and orchestrate LLM-powered agents using frameworks such as LangChain, LangGraph and Chainlit.
Implement agent memory, tool integration, API calls, database queries and context management workflows.
Integrate with AI platforms such as OpenAI, Hugging Face, AWS Bedrock, Google Vertex AI or equivalent via API.
Identify and fix bottlenecks, defects and design issues in existing applications.
Collaborate with product, architecture, engineering and cross-functional teams to define, design and ship new features.
Ensure performance, quality, security, reliability and responsiveness of backend applications.
Mentor and guide junior developers, providing hands-on technical leadership.

Qualifications:

Bachelor’s degree in Computer Science, Engineering, or a related field.
7+ years of proven software engineering experience, with strong hands-on Python development.
Strong experience building backend services using FastAPI, RESTful API

📌 Python, FastAPI – Agentic AI Platforms (Kolkata)
🏢 UST
📍 Kolkata