Technical Lead – Backend

HappyFox Inc.; Chennai District; On-site; INR 3,000,000 - 6,000,000; Full time

Job summary

HappyFox Inc. is seeking a Lead Backend Engineer with 5+ years of experience to architect, build and run our growing product stack. You will mentor engineers, lead a feature-rich roadmap and own backend services end-to-end.

You will drive architecture decisions, ensure code quality, and collaborate with a broader team to ship reliable software on time. Strong problem solving and communication are essential.

Qualifications

• Lead a team and contribute to feature development with hands-on work.
• 5+ years of professional software development experience.
• Expertise in backend patterns and best practices.
• Strong with Python or Node.js and frameworks like Django/Express.js.
• Experience with relational or NoSQL databases (PostgreSQL/MongoDB).
• Cloud proficiency across AWS, GCP or Azure.
• Extensive Linux/UNIX production environment experience.
• Commitment to code quality and architecture.
• Ability to troubleshoot complex problems and derive solutions.
• Driven to deliver high-quality, reliable software aligned with business needs.
• Excellent communication and a pragmatic product-focused mindset.
• Engineering degree required (B.E. CS preferred).

Responsibilities

• Lead a team of engineers on the product roadmap with hands-on development.
• Oversee architecture, source control, CI/CD, and code reviews.
• Improve development experience and enforce coding standards.
• Own architecture and design decisions for backend services.
• Ensure stability and performance of services you own.
• Collaborate with Engineering Manager to ship software on time.
• Contribute to long-term vision and strategy in your area.

Skills

Technical leadership

Backend development

Python

Node.js

Django

Express.js

API design

Code quality

Mentoring

Architecture

CI/CD

Linux/UNIX

Web services

Education

Engineering degree (B.E. CS preferred)

Tools

AWS

GCP

Azure

PostgreSQL

MongoDB

Linux/UNIX

Job description

We’re looking for a Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience of being responsible for building sufficiently complex products / services and mentoring software engineers.

Responsibilities

• Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands‑on development tasks
• Oversee software architecture, source control workflows, CI/CD processes and perform code reviews to ensure exceptional code quality
• Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
• Responsible for architecture and design decisions
• Own stability and performance of the service that you work on
• Work with the Engineering Manager to ship stable software on time
• Contribute to the vision and long-term strategy in your area of expertise

Requirements

• 2+ years of experience in a technical lead role designing and building complex backend systems
• 5+ years of professional software development experience
• Excellent knowledge of best-practices and coding patterns
• Deep knowledge of backend programming languages like Python or Node.js and web application frameworks like Django or Express.js
• Solid experience in building web services using relational databases like PostgreSQL or NoSQL databses like MongoDB
• Proficiencywith Amazon Web Services (AWS) or Google Cloud Platform or Azure
• Extensive experience with Linux/UNIX production environments
• Strong sense of quality in terms of both program architecture and code style
• Passion to dig into technically complex problems to troubleshoot and figure out a solution
• Desire to continuously improve and ship the best quality product
• Pragmatic approach to make sure technical decisions align with actual business needs.
• Good understanding of the trade-offs when building for product value, reliability, or performance
• Excellentcommunication skills with the ability to discuss and explain your point of view clearly and effectively
• Engineering degree is must (B.E. CS preferred)