Backend Engineer

Who Are We?

We are Welltech — a global company with Ukrainian roots and a powerful mission:
to move everybody to start and stay well for life
. Today 25.5 million users have trusted Welltech to help them build healthy habits — a testament to the real value our innovative, engaging wellness solutions deliver every day. 🌍

With five hubs across Cyprus, Ukraine, Poland, Spain and the UK and a diverse, remote-friendly team of 700+ professionals, we continue to scale rapidly. Our innovative apps —
Muscle Booster, Yoga-Go and Walk Fit — empower millions to transform their lifestyles and unlock their personal wellness journeys.

Welltech is where your impact becomes real. And our values clearly attest to that:
we grow together, we drive results, we lead by example and we are well-makers
.

If this looks like you and you thrive in a fast-paced environment, you’ll fit right in ’s build wellness for millions together.

We are seeking a product-minded, impact-driven Backend Engineer with 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, fueling our mission to bring health and wellness to millions.

• Shape a Fitness Product: Build and maintain robust APIs, 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: Work closely with high levels of engagement with product managers, designers, software engineers, content producers, data experts, and infrastructure teams.

• Prioritize Sustainable Quality: Write clean, maintainable, and scalable code, with a focus on continuous improvement and long-term reliability.

• Walk the talk: Ask and provide support to team members, contribute to team level product and engineering initiatives, influence coding standards.

• Be a champion of Engineering Excellence: Advocate for and implement best engineering practices, foster a learning culture, and contribute to strategic technical decisions in your team. Look after scalability, performance, and reliability of systems owned by your team.

• 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.

• 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, Cloud Formation).

• Database Knowledge: Experience working with relational databases such as Postgres
  , and familiarity with SQL Alchemy 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.

• End-to-end ownership and high agency when 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.

• 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

• 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 products

Muscle Booster — (Use the "Apply for this Job" box below)./

Yoga-Go — /

Walk Fit — .pro