Senior Full Stack Engineer-(Python + React)

HyperApps; Gurugram District; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

HyperApps is seeking a Senior Full Stack Engineer based in Gurugram, India, to build end-to-end features for their HR/payroll platform. The role requires 4-7 years of experience with a strong command of Python and React/Next.js, along with the ability to collaborate cross-functionally.

You will manage the complete feature lifecycle, from backend API design to responsive front-end implementation. The ideal candidate has hands-on experience with REST APIs, PostgreSQL, and Docker, and a commitment to delivering seamless user experiences.

Qualifications

• 4-7 years of full-stack development experience.
• Expert-level Python with Django, FastAPI or Flask.
• Strong understanding of state management patterns.

Responsibilities

• Design and implement REST APIs using Django, FastAPI or Flask.
• Build responsive UIs using React or Next.js with TypeScript.
• Review peer code for quality and architectural consistency.

Skills

Python

React

Django

TypeScript

PostgreSQL

REST API design

Docker

CSS

Education

B.Tech in Computer Science or related field

Tools

Docker

Jest

Cypress

Job description

About TartanHQ
TartanHQ is an AI‑first enterprise‑tech company backed by 500 Global, Info Edge Ventures and AngelList. We’ve raised ~$8.5M and are rapidly scaling towards profitability. Our platform powers operations for India’s leading financial institutions including HDFC Bank, Bajaj Allianz, Care Health, Yes Bank and 50+ enterprises.

Role Overview

We are seeking a Senior Full Stack Engineer with 4‑7 years of experience to build end‑to‑end features for TartanHQ’s HR/payroll platform. You will own the complete feature lifecycle from backend API design to responsive front‑end implementation, collaborating with product, design, and QA teams. Your expertise in both Python and React/Next.js will be critical to delivering seamless user experiences.

Key KPIs

• Sprint delivery utilization: >90%
• End‑to‑end feature delivery: 1 feature per month
• Pull request reviews: 100% coverage
• Test coverage: >80%

Day-to-Day Responsibilities

Your week includes backend API development and front‑end implementation, code reviews and design discussions, sprint planning and stand‑ups, testing and debugging, and collaborating with product on feature specifications. You’ll work on features spanning the entire stack within 2‑week sprints.

Core Responsibilities

Backend Development (40% time allocation)

• Design and implement REST APIs using Django, FastAPI or Flask
• Develop PostgreSQL database schemas and optimize queries
• Implement authentication, authorization and security best practices
• Write maintainable backend code with comprehensive tests
• Deploy backend services using Docker and CI/CD pipelines

Frontend Development (40% time allocation)

• Build responsive UIs using React or Next.js with TypeScript
• Implement state management with Redux, Zustand or Context API
• Create pixel‑perfect designs with CSS‑in‑JS or Tailwind CSS
• Optimize front‑end performance and Core Web Vitals
• Write unit and integration tests using Jest and Cypress

Quality & Collaboration (20% time allocation)

• Review peer code for quality and architectural consistency
• Participate in design‑driven development practices
• Work with QA to ensure comprehensive test coverage
• Document APIs and front‑end components

Required Skills & Qualifications

• 4‑7 years of full‑stack development experience
• B.Tech in Computer Science or related field
• Expert‑level Python with Django, FastAPI or Flask
• Expert‑level React or Next.js with TypeScript
• Strong understanding of state management patterns
• Solid PostgreSQL/MySQL database skills
• Experience with REST API design principles
• Proficiency with responsive design and CSS
• Experience with Jest, Cypress or similar testing frameworks
• Hands‑on Docker and CI/CD experience

Preferred Skills

• Experience with AI/ML model integration
• GraphQL or similar query language experience
• Server‑Side Rendering (SSR) and Static Site Generation (SSG)
• Design systems and component library development
• Performance optimization and Web Performance APIs

What We Look For

• Ownership: You take responsibility for complete feature delivery
• Versatility: You think holistically across the stack
• User empathy: You care about end‑user experience and performance
• Growth: You continuously learn new technologies
• Communication: You collaborate effectively and document thoroughly

Reporting To

Engineering Manager