Backend Engineer (SDE-2)

PKC Management Consulting; Chennai District, Bengaluru; On-site; INR 900,000 - 1,500,000; Full time

Job summary

PKC Management Consulting in Chennai, India seeks a backend developer to build scalable services in Python with FastAPI and modern AI tooling.

You will implement AI agent workflows using LangGraph and LangChain, design robust data pipelines with PostgreSQL and Weaviate, and integrate multiple LLM providers, while championing testability and production-readiness.

This role offers opportunities to influence architecture and work on cutting-edge AI projects in a collaborative team.

Qualifications

• 2-5 years of backend development experience.
• Strong proficiency in Python.
• Experience building REST APIs using FastAPI or similar frameworks.
• Good understanding of PostgreSQL and database design.

Responsibilities

• Develop scalable backend services using Python and FastAPI.
• Build and enhance AI agent workflows using LangGraph and LangChain.
• Design retrieval pipelines using PostgreSQL and Weaviate.
• Integrate LLM providers including OpenAI, Anthropic, AWS Bedrock, Google, Groq, and Ollama.
• Build evaluation metrics, automated tests, and monitoring for AI systems.
• Participate in architecture discussions, code reviews, and technical design.
• Write clean, maintainable, and production-ready code.

Skills

Python

FastAPI

REST APIs

PostgreSQL

LangGraph

LangChain

LLMs

RAG

Weaviate

Docker

AWS

GitHub Actions

Tools

Docker

AWS

GitHub Actions

Job description

Role & responsibilities

• Develop scalable backend services using Python and FastAPI.
• Build and enhance AI agent workflows using LangGraph and LangChain.
• Design retrieval pipelines using PostgreSQL and Weaviate.
• Integrate LLM providers including OpenAI, Anthropic, AWS Bedrock, Google, Groq, and Ollama.
• Build evaluation metrics, automated test cases, and monitoring for AI systems.
• Participate in architecture discussions, code reviews, and technical design.
• Write clean, maintainable, and production-ready code.

Required Skills

Preferred candidate profile

• 2-5 years of backend development experience.
• Strong proficiency in Python.
• Experience building REST APIs using FastAPI or similar frameworks.
• Good understanding of PostgreSQL and database design.
• LangGraph / LangChain
• LLMs, RAG, Prompt Engineering
• Vector Databases (Weaviate)
• Docker & AWS
• CI/CD (GitHub Actions)
• AI Agent Development
• Knowledge of AEC, CAD/BIM, or Revit is an added advantage.