Front-end Developer (React.js)

Position Overview

• Location Type: Remote
• Job Type: Full-Time
• Salary: Not provided

Welcome to Welltech—where health meets innovation! 🌍 As a global leader in the Health & Fitness industry, Welltech has achieved over 220 million installs with life-changing apps designed to boost well-being for millions. Our mission is to improve the health of people worldwide through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys, all powered by a diverse team of over 700+ passionate professionals across 5 hubs.

Who We Are?

We strive to be proactive wellness partners for our users, while continually evolving ourselves.

What We're Looking For

Welltech is seeking product-oriented and mission-driven Frontend Engineers to join our Product Growth organization. In this role, you will work on highly visible parts of the user funnel—from activation to conversion—using modern technologies and experimentation to optimize engagement, trust, and revenue.

Restructured Product Organization

The product organization has been restructured around the user journey, with two critical teams emerging: Purchase and Monetization. These teams play a pivotal role in shaping user engagement, building trust, and converting interest into lasting value. Your work will directly affect millions of users and real business outcomes, whether you're building seamless onboarding flows or optimizing pricing strategies.

Responsibilities

• Collaborate Across Functions: Partner with Engineers, QA, Product Analysts, and Product Managers to design solutions that solve real user and business problems.
• Build with Purpose: Develop high-impact features using a modern stack (React 18+, TypeScript 5+, Styled Components, React Query, Vite).
• Deliver Quality at Speed: Build clean, tested, and maintainable code with performance, scalability, and UX in mind.
• Contribute to Team Excellence: Participate in thoughtful code reviews, documentation, and monitoring (Sentry, Datadog).
• Learn & Iterate: Participate in A/B tests, analyze outcomes, and use insights to guide product and code decisions.
• Own What You Build: Be accountable for delivering features that perform reliably in production, from development to deployment.

Requirements

• Experience: 3+ years in frontend development at a product-driven company.
• Technical Skills:
  • JavaScript (ES6+)
  • TypeScript
  • React
  • Redux Saga
• Understanding: REST APIs, Core Web Vitals, and responsive design.
• Software Design: Solid grasp of software design principles (SOLID, design patterns, maintainable architecture).
• Communication: Experience working in cross-functional, fast-paced agile teams and communicating effectively in English (C1).
• Mindset: A curious, user-first mindset with a desire to deliver intuitive, delightful digital experiences.

Nice to Have

• Experience working with experimentation.