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 toward profitability. Our platform powers operations for India's leading financial institutions including HDFC Bank, Bajaj Allianz, Care Health, Yes Bank, and 50+ enterprises.

We provide three core products: HyperVerify (80+ verification APIs), HyperSync (unified APIs for HRMS/ERP/CRM), and HyperApps (AI agents for insurance, banking, and compliance automation).

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 frontend 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/month
Pull request reviews: 100% coverage
Test coverage: >80%

Day-to-Day Responsibilities

Your week includes: backend API development and frontend implementation, code reviews and design discussions, sprint planning and standups, 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 frontend 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 frontend 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

Senior Full Stack Engineer-(Python + React)