**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 For** We are seeking a **product\-minded, impact\-driven Backend Engineer** to join our **Cortex** team, which is building the **Content and Video** backbone that powers every app in our ecosystem (YogaGo, MuscleBooster, WalkFit, etc.) with curated, reusable, and engaging content. This is a great opportunity for someone with experience in **Domain Driven Design, cross\-functional product development and Engineering Excellence.** In this role, you’ll collaborate with product, engineering, data and content teams in the development of our **Content and Video Platform**. You’ll be an advocate for highly iterative development approaches, fueling our mission to bring health and wellness to millions. **Key responsibilities:** * **Product Delivery and support**, following our Principle of ***Think it, build it, run it.*** + You will work on the delivery of the platform, collaborating with Product, Engineering, and Content experts starting at the analysis of new capabilities. + Collaborate on the inception of the proposed solution via RFCs. + Planning and executing delivery with an iterative approach in a data\-driven lean environment, embedding quality in doing so adopting XP practices such as TDD, CI/CD. + Ultimately releasing and supporting to the utmost operational excellence, incorporating elements such as effective observability, progressive rollouts, with focus on our DORA metrics. * **Win and lose together**: 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. * **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 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. **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. * **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. **We’d be especially excited to meet you if you:** * Have a background on working with Video Platform. * Have a passion for testing, automation, continuous integration and observability. * See yourself not as someone defined by a single technology or niche, but as a versatile, product\-oriented engineer. **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 — https://musclebooster.fitness/ Yoga\-Go — https://yoga\-go.io/ WalkFit \-http://walkfit.pro