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 WalkFit — 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 at Welltech. Let's build wellness for millions together.What We're Looking ForWe'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.Key responsibilities:Spearhead development of a user-centric initiative: Collaborate with product, engineering, and data teams to spearhead development of a new initiative revolutionizing our products.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 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 -