Job Summary The Senior Backend Engineer / Tech Lead will design, develop, scale, and maintain secure, high-performance backend systems for the organization while providing technical leadership and supporting end-to-end product delivery. The role requires strong expertise in Python, FastAPI, PostgreSQL, API architecture, multi-tenant SaaS, RBAC, workflow engines, microservices, Docker, and CI/CD, together with solid system design and technical leadership capabilities.

The ideal candidate will have experience building production SaaS products, preferably in AR, collections, fintech, ERP, or AI automation, and be comfortable working in an early-stage/startup environment. The candidate must demonstrate robust ownership, the ability to build features end-to-end, and good testing, documentation, and engineering practices.

Backend Engineering

Design, develop and maintain scalable backend services using Python and FastAPI.

Develop secure and high-performance REST APIs.

Design PostgreSQL databases, schemas, queries and indexes.

Build asynchronous services and scheduled jobs.





Develop reusable and maintainable backend components.

Architecture & System Design

Lead backend architecture and technical design decisions.

Design microservices and service-to-service communication.

Develop multi-tenant SaaS architecture.

Design scalable authentication and authorization mechanisms.

Identify performance bottlenecks and improve system scalability.

Establish coding standards and architecture guidelines.

DevOps & Deployment

Work with Docker-based development and deployment environments.

Support cloud-based application deployments.

Collaborate with DevOps engineers on infrastructure improvements.

Lead technical implementation of major features.

Mentor backend and junior engineers.

Define engineering best practices.

Participate in architecture reviews.

Troubleshoot critical production issues.

Security & Quality

Support API and application security.

Develop automated

📌 Senior Backend Engineer, Tech Lead (India)
🏢 BigData Technology Solutions
📍 India