Backend Engineer

About Welltech

Welcome to Welltech—where health meets innovation! As a global leader in the 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.

To support our mission of delivering smarter, more personalized health journeys, we've restructured our product organization around the user journey - two critical teams have emerged from this transformation: Purchase and Monetization. These teams play a pivotal role in shaping how users first engage with our products, how we earn their trust, and how we convert interest into lasting value. Whether it's building seamless onboarding flows or optimizing pricing strategies, the work you do here directly affects millions of users and real business outcomes.

What We're Looking For

We’re seeking a Backend Engineer who loves building reliable, scalable systems that power great user experiences. You’ll design and support APIs, manage cloud infrastructure, and collaborate across teams to deliver personalized wellness features to millions of users. You have strong Python skills, experience with relational databases, and enjoy working in cloud-native environments. You value clear communication, fast learning, and finding the right tool for each challenge - even if it means stepping outside your comfort zone.

You’ll work closely with product managers, designers, engineers, QA, and data experts to create a seamless, holistic wellness journey for our users.

Key Responsibilities

• Shape a Fitness Product: Build and maintain robust APIs for our mobile app, enabling personalized meal plans, fitness tracking, and holistic wellness features.
• Contribute to System Architecture: Collaborate on designing reliable, maintainable, and scalable systems to support millions of users worldwide.
• Integrate Cloud Services: Leverage AWS services (e.g. Lambda, API Gateway, S3) to build modern, serverless solutions.
• Collaborate Cross-Functionally: Partner with product managers, designers, data experts, and content teams to bring cohesive, user-centric experiences to life.
• Prioritize Sustainable Quality: Write clean, maintainable, and scalable code, with a focus on continuous improvement and long-term reliability.
• Contribute to Team Success: Work effectively with teammates and stakeholders to achieve shared goals. Share knowledge openly, communicate clearly, help resolve obstacles, and foster constructive, respectful discussions to solve problems together.

Required Skills

• Product Mindset: Proven ability to translate user needs into impactful features with a strong focus on delivering value.
• Backend Engineering Expertise: Strong experience designing and building scalable backend systems in Python with a solid understanding of API design and system architecture.
• Cloud Infrastructure Experience: Familiarity with cloud services, especially AWS (e.g. Lambda, API Gateway, S3, CloudFormation).
• Database Knowledge: Experience working with relational databases such as Postgres, and familiarity with SQLAlchemy or other ORMs.
• Engineering Culture Contributor: You help improve team workflows and elevate code quality by contributing to shared practices and fostering collaborative ways of working.
• Communication Skills: Strong English communication skills to work effectively with an international, agile team.

Candidate Journey

• Recruiter call
• Live Code Review
• System Design interview
• Meet the hiring manager

Job Details

• Location Type: Remote
• Employment Type: FullTime