Senior Backend Engineer

Job Summary

We are looking for a Senior Backend Engineer with strong hands-on experience in Python, Django, Django REST Framework, MySQL, Redis/Celery, and AI/LLM integration to build scalable backend services for the BuildPiper product.

Experience: 4–5 years

Key Responsibilities

Backend Development

• Design and develop scalable backend services using Python, Django and Django REST Framework.

• Build and optimize REST APIs and backend workflows.

• Develop clean, reusable and maintainable code.

• Participate in system design, code reviews and technical discussions.

Database & Performance

• Work with MySQL for database design and optimization.

• Optimize queries, indexes and transactions.

• Troubleshoot performance and scalability issues.

Async Processing

• Work with Redis, Celery and background processing.

• Develop asynchronous and distributed workflows.

• Implement reliable job processing and error handling.

AI / LLM Integration

• Develop and integrate AI/LLM-powered features.

• Work with LLM APIs, Prompt Engineering, RAG, Embeddings and AI Agents.

• Integrate AI capabilities into backend applications and workflows.

DevOps & Cloud

• Work with CI/CD pipelines covering build, testing, security scanning and deployment.

• Experience with Git, Docker and Kubernetes.

• Collaborate with DevOps teams for application deployment and production support.

Production & Collaboration

• Troubleshoot production issues and perform root-cause analysis.

• Improve application performance, scalability and reliability.

• Mentor junior developers and contribute to engineering best practices.

Required Skills

• 4–5 years of backend development experience

• Strong hands-on Python, Django & Django REST Framework

• Strong MySQL and database optimization knowledge

• Redis / Celery or equivalent asynchronous processing

• Practical experience with AI/LLM application development

• Good understanding of CI/CD and DevOps

• Strong knowledge of REST APIs, OOP and System Design

• Experience with Git, Docker & Kubernetes

Good to Have

• RAG, Embeddings and AI Agents

• LLM APIs such as OpenAI / Azure OpenAI

• Cloud platforms – AWS / Azure / GCP

• Microservices architecture

• Monitoring and application performance optimization