Senior Fullstack Engineer

Who Are We?Welcome to Welltech—where health meets innovation! As a global leader in Health & Fitness industry, we’ve crossed over 220 million installs with life-changing apps, all designed to boost well-being for millions. Our mission? To improve the health of millions of people through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700+ passionate professionals with a presence across 5 hubs.Why Welltech? Imagine joining a team where your impact on global health and wellness is felt daily. At Welltech, we strive to be proactive wellness partners for our users, while continually evolving ourselves.Today, we are embarking on a journey to reshape our product into a highly personalized, coach-like experience that provides holistic care to our users across all aspects of wellness and fitness. To accomplish this, we are shaping a new team on a mission to provide our users with world-class wellness and fitness content through the new product experience. It’s a greenfield opportunity to try to disrupt the wellness & fitness industry. We are looking for a product-minded, impact-driven engineer to join us on this journey!What We're Looking ForWe’re seeking a product-minded, impact-driven Senior Full Stack Engineer who thrives at the intersection of impact and innovation. You’ll help architect and build an end-to-end product experience, from backend systems to frontend interfaces, and collaborate closely with design, product, and data to move fast and learn even faster.You bring backend expertise (Python preferably or a language agnostic approach), strong frontend fundamentals (React or similar), and a bias toward rapid learning through experimentation. While not required, we’d be especially excited if you’re curious about or experienced in mobile development.You’ll be an advocate for highly iterative development approaches, data-driven decision-making in your team fueling our mission to bring health and wellness to millions.Key responsibilities:Shape a Greenfield Product: Build and evolve both frontend and backend systems for a brand-new wellness platform integrating video, content, data, and user interactivity.Own the Full Stack Development: Take end-to-end ownership from designing APIs and building interfaces to connecting cloud services and instrumenting analytics.Lead Frontend Development: Deliver responsive, performant UIs using TypeScript and modern frameworks like React or Next.js.Drive Rapid Prototyping: Build lovable prototypes and MVPs to test product hypotheses quickly, iterating based on real user feedback and data.Collaborate Cross-Functionally: Partner with product managers, designers, data experts, and content teams to bring cohesive, user-centric experiences to life.Balance Quality & Speed: Maintain a clean, scalable codebase while shipping fast and learning fast.Mentor & lead by example: Provide guidance to team members, lead team level product and engineering initiatives, influence coding standards, support your team in making critical decisionsRequired skills:Product Mindset: Proven ability to translate user needs into impactful product features, with a strong focus on delivering value.Backend Engineering: Strong experience designing and building scalable backend systems. Proficient in Python or similar languages (e.g., Kotlin, Go, Java), with a solid understanding of API design, data modeling, and system architecture.Frontend Familiarity: You have experience with modern frontend frameworks like React and TypeScript. Comfortable collaborating and architecting client-side features.Cloud Infrastructure Experience: Familiarity with cloud services, especially AWS (e.g. Lambda, API Gateway, S3, CloudFormation).Full-Stack System Design: Ability to architect and implement reliable, maintainable systems across the stack.Fast Iteration and Experimentation: Experience in environments that favor rapid prototyping, testing, and learning.Engineering Culture Contributor: You mentor peers, improve team workflows, and elevate code quality through strong practices and collaboration.Nice to have:Familiarity or interest in mobile development (React Native, Flutter) or building experiences involving video, multimedia, or streaming.Candidate journey: ⭕️ Recruiter call ----> ⭕️ Live Code Design Review ---> ⭕️System Design Interview -----> ⭕️ Meet the hiring manager✨ Why You’ll Love Being Part of Welltech:Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!Check out some of our productsMuscle Booster — https://musclebooster.fitness/ Yoga-Go — https://yoga-go.io/ WalkFit - http://walkfit.pro

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