Senior Backend Engineer

Who Are We?Welcome to Welltech—where health meets innovation As a global leader in the Health & Fitness industry, we've crossed over 200 million installs with five life-changing apps, all designed to boost well-being for millions. Our mission? To transform lives through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700 passionate professionals with presence across 5 hubs.Why Welltech and why now?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 to push the boundaries of what's possible.What We're Looking ForWe are seeking a product-minded, impact-driven Senior Backend Engineer with strong experience in Domain Driven Design, cross-functional product development and Developer Productivity. In this role, you'll collaborate with product, engineering, and data teams in the development of our Yoga-Go app. 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:Cross-functional collaboration: Work closely with high levels of engagement with product managers, designers, software engineers, content producers, data experts, and infrastructure teams.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 decisionsBe a champion of Engineering Excellence: Advocate for and implement best engineering practices, foster a learning culture, and influence strategic technical decisions in your team. Ensure scalability, performance, and reliability of systems owned by your teamRequired Skills:Strong product mindset that creates business value: Proven ability to drive the building of successful products and/or platforms used by product teams, working closely with Product Managers, Designers, Domain experts to create value for customersDomain Driven Design: comprehensive system design skills with proven impact building new and refactoring existing large-scale systems powering customer-facing productsSolid technical foundation: Extensive hands-on experience in backend engineering, with deep expertise in both relational and non-relational databases, as well as AWS infrastructure (e.g., Lambda, API Gateway, SQS, SES, CloudFormation, CloudWatch).Strong Python expertise: Proven track record in building efficient, scalable, and reliable backend systems using Python.System-level impact: Track record of influencing the technical direction of your team and of effective collaboration with adjacent teams, with the ability to highlight risks, trade-offs and propose efficient solutionsEngineering culture excellence and Agent of change: Demonstrated ability to shape and elevate engineering culture, methodologies, and best practices in your teamDeveloper productivity: Experienced in maximising developer productivity through the right technical choices, highly iterative development practices to achieve high pace of data-driven experimentationEnd-to-end ownership and dealing with ambiguity: You thrive in ambiguous environments and get excited about figuring out solutions to complex problems, and taking a leading role in executing on them.Ready to make a transformative impact on global wellness? Join us at Welltech and help millions of users lead healthier, happier livesCandidate journey Recruiter call --> Live code review --> System Design Interview --> Meet the Hiring ManagerWhy You'll Love Working at Welltech: 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 realityCheck out some of our productsMuscle Booster — https://musclebooster.fitness/Yoga-Go — https://yoga-WalkFit -