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Python Developer (6+ years)

Actively Reviewing the Applications

DBiz.ai

India, Kerala, Kochi Full-Time On-site

Posted 1 day ago • Apply by June 10, 2026

Job Description

Sr Python Developer (Django) - 6+ years - Kochi - Hybrid

Role Overview

We are looking for a Senior Python Developer with strong expertise in Django and real-time application development to lead the backend development of a high-performance auction platform. The ideal candidate will design and build scalable REST APIs, implement real-time bidding mechanisms, and ensure robust database architecture using PostgreSQL.

This role requires hands-on experience in building mission-critical systems where performance, concurrency, and reliability are essential.

Key Responsibilities

Design, develop, and maintain backend services using Python and Django.
Architect and implement secure, scalable RESTful APIs.
Develop and maintain real-time bidding features using WebSockets.
Optimize system performance to handle high concurrency during live auctions.
Design efficient database schemas and queries using PostgreSQL.
Ensure transactional integrity and data consistency.
Implement caching and performance optimization strategies.
Collaborate with frontend, DevOps, QA, and product teams.
Lead code reviews and enforce best practices.
Troubleshoot production issues and optimize system reliability.

Required Technical Skills

Core Backend

5+ years of experience in Python development.
Strong hands-on experience with Django.
Solid experience in REST API design and development.
Deep understanding of backend architecture and scalable systems.

Real-Time Systems

Proven experience building real-time applications.
Hands-on experience with WebSockets (Django Channels or similar frameworks).
Understanding of concurrency handling and event-driven architecture.

Database

Strong experience with PostgreSQL (strongly preferred).
Database schema design and optimization.
Writing efficient queries and performance tuning.
Experience handling large datasets and transactional systems.

Additional Preferred Skills

Experience with Redis or caching mechanisms.
Familiarity with Docker and containerized deployments.
Experience in auction, fintech, marketplace, or high-transaction platforms is a plus.
Understanding of security best practices in web applications.

Soft Skills