Senior Python Tech Lead (5+ Yrs)

Efficienza Business Solutions
Chennai, Tamil Nadu

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Job details

Contractual / Temporary

Qualifications

TensorFlow
CI/CD
Azure
Computer Science
React
Software deployment
NumPy
NoSQL
Git
MongoDB
Master's degree
SQL
Pandas
OOP
AWS
Docker
Bachelor's degree
PostgreSQL
Continuous integration
Redis
RabbitMQ
Back-end development
REST
Angular
Django
APIs
Agile
Kafka
GraphQL
Flask
SaaS
AI
Leadership
Python
MySQL
Design patterns

Full job description

About the Role

Build Python-powered enterprise-grade scalable backend systems and APIs. Own the end-to-end architecture for application and product development, drive Agile delivery, and serve as the primary technical authority. Translate evolving business requirements into robust, well-documented backend systems that power multi-user enterprise products — from database design through deployment.

You will excel if you:

Think in systems and architecture – designing APIs, services, and databases that scale
Lead with a product mindset – translating business goals into technical roadmaps
Drive quality standards through code reviews, testing, and documentation
Mentor and elevate team members through structured technical guidance

Key Responsibilities

Backend Architecture

Lead end-to-end development of scalable backend systems, APIs, and web applications using Python (Django/Flask/FastAPI), with deep focus on database design and service architecture.
Design modular, maintainable codebases following OOP, microservices, and established design patterns.
Define reusable patterns for data-intensive operations: async processing, event-driven workflows, and real-time data handling.
Architect REST and GraphQL APIs with clear contracts, versioning, and documentation standards.

Technical Leadership

Guide the team as Tech Lead: conduct code reviews, mentor juniors, enforce enterprise coding standards, and promote engineering best practices.
Own the technical roadmap: surface architectural gaps, trade-offs, and improvement areas before they become blockers.
Collaborate with product, front-end, QA, and DevOps teams for CI/CD, Docker deployments, and cloud integration (AWS/Azure/GCP).
Serve as the primary decision-maker on backend technology choices, library selection, and architectural patterns.

Product & Agile Delivery

Apply product strategy thinking to align technical decisions with business goals, prioritizing features via Agile sprints, backlogs, and iterative delivery.
Drive Agile ceremonies: sprint planning, stand-ups, and retrospectives; ensure delivery velocity without compromising code quality.
Translate evolving requirements into implementation-ready technical specifications before development begins.

Data & Performance

Optimize SQL/NoSQL databases (PostgreSQL/MySQL/MongoDB/Redis): query performance, indexing strategy, and schema design.
Implement async programming patterns (Celery, asyncio) to handle high-throughput, background task, and event-driven workloads.
Troubleshoot production issues: root cause analysis, profiling, and systematic performance improvements.

Quality & Documentation

Enforce high-quality, secure code with unit and integration testing (PyTest) as a non-negotiable standard.
Maintain developer-facing documentation: API references, architecture decision records, and onboarding guides.
Own CI/CD pipeline standards: automated testing, linting, and deployment validation before every release.

Required Technical Knowledge

5+ years hands-on Python 3.x with proven backend expertise in Django, Flask, or FastAPI at enterprise scale.
Architecture: REST/GraphQL API design, microservices, event-driven systems, and scalable DB schema design.
Databases: PostgreSQL, MySQL, MongoDB, Redis — query optimization, indexing, and data modelling.
Infrastructure: Docker, Git, CI/CD pipelines, and cloud platforms (AWS/Azure/GCP).
Testing: PyTest, unit and integration testing, and code coverage standards.
Team leadership: code reviews, mentoring, and enterprise coding standards enforcement.
Agile/Scrum: sprint ceremonies, backlog management, and product-led iterative delivery.

Good to Have

Analytics mindset: Pandas, NumPy for data insights and feature optimization.
Front-end awareness (React/Angular) for effective cross-functional collaboration.
Real-time patterns: WebSockets, Kafka, RabbitMQ for streaming and messaging workloads.
AI/ML exposure (TensorFlow, scikit-learn) for data-driven feature development.
Experience with SaaS or enterprise multi-tenant application architecture.

Key Deliverables

Production-ready scalable backend systems and API libraries
Technical architecture documentation and API specification ecosystem
Code review standards, testing coverage reports, and quality audit records
Structured onboarding documentation and developer-facing README specifications

Qualifications

Bachelor's/Master's in Computer Science, IT, or related field.
5+ years in Python backend development with demonstrated Tech Lead experience.

What Success Looks Like

Scalable, maintainable backend systems that require zero architectural rewrites at growth
Evolving requirements converted into structured technical specs with no back-and-forth
A team that ships confidently with high test coverage and clean, documented code
Backend becomes the stable, trusted foundation that all product features are built on

Job Category: Contract / Project-based

Job Type: Full Time

Job Location: Chennai

Apply Now

About the Role

Key Responsibilities

Backend Architecture

Technical Leadership

Product & Agile Delivery

Data & Performance

Quality & Documentation

Required Technical Knowledge

Good to Have

Key Deliverables

Qualifications

What Success Looks Like

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