Meet Urban Sports Club

We are among the leading platforms for sports and wellness in Europe, dedicated to inspiring people to live active, healthy lives. With just one membership we offer access to thousands of fitness and wellness experiences across the continent.

But what truly sets us apart? We believe our people are at the heart of everything we do. If you’re curious about how we work, what we value and how you might grow with us, explore our Culture Hub & Career Opportunities.

*Big news: Wellhub and Urban Sports Club unite!*
Urban Sports Club is now a proud part of Wellhub, creating a global wellbeing ecosystem. Together, we connect 39,000 corporate clients and 97,000 wellness partners across 18 countries, offering millions of people even more ways to stay active and take care of their health.

The opportunity 

We are looking for an experienced Senior Backend Engineer to join our Platform hive as part of our Foundation Engineering team to work closely with all the other hives of the Product Development department, Tech and Business teams. At Urban Sports Club our aim is to create a world where everyone enjoys doing sports and we are ambitious in our plans to grow and cater to a wider user audience.

Foundation Engineering is at the heart of this vision, delivering customer value by taking on the opportunities in tech to address, design and deliver on the future of tech in the business and personalise the experience of multi million customers in the near future. You will be responsible for helping us execute our Tech vision, that includes taking on opportunities such as designing our next generation systems such as search, authentication, and such enterprise wide themes as well as scaling our system to accommodate massive user growth.

This position can be based in Madrid, Barcelona or Valencia (in office-attendance is expected in the Valencia office ca. 3 days per month).

What you will do

• Ensure the productivity and resilience of our infrastructure, including monitoring and observability of our services
• Work on standardizing processes and building automation for data pipeline onboarding, deployment, scheduling, failure recovery, and other aspects of operating our platform
• Work closely with the SRE team to ensure developer productivity and CI/CD adoption within the Data Platform team
• Craft and operate the services, infrastructure, and tools that make up our platform to enable the execution of batch and streaming pipelines running on Kubernetes and GCP
• Work hands-on on topics as part of a closely knit team
• Solution architect and deliver company-wide technical topics with a forward-looking vision that aligns technology and business with our multi-year roadmap

What you will need to succeed

• You have gained 5+ years of experience in backend development
• You have experience in development, administration, operation, and troubleshooting of sophisticated, large-scale systems running on Kubernetes
• You are experienced with Go and you are a strong practitioner of system design, architecture, and development best practices
• You break down challenges into modular, scalable solutions and can bridge the gap between technology and business
• You have a strong analytical mindset and a genuine curiosity to experiment and test changes. You challenge yourself and others, never settling for assumptions
• A fun attitude: you engage, inspire, and motivate the people you work with. We like to have fun while working on this important strategic domain for the whole group

What’s in it for you 

• Work on cutting-edge tech and influence the future of our stack: explore our Tech Radar
• We're open to relocation and providing support with our visa agency
• Free Urban Sports Club L Pro Membership + Friends and Family Discount: Stay active with free membership, plus discounts for friends and family.
• Flexible Work Model: Enjoy a hybrid work setup, balancing on-site and remote work options to fit your lifestyle.
• Extended Remote Work Options: Work up to 120 days remotely within the EU, the UK, and Switzerland, including 30 days outside the EU. You’ll also have the option to desk-swap at our other European offices.
• WorkOUT Life Balance: Take advantage of 30 days of paid vacation annually, plus two additional days for volunteering, flexible working hours, and complimentary access to our mental health provider Open Up.
• Personal Development: Receive an annual budget of €1,000 for professional growth, with regular internal training sessions and weekly German and English language classes.
• Engaging Team Culture: Participate in regular team and company events along with wellness initiatives that help you stay productive, healthy, and engaged in a hybrid work environment.

Urban Sports Club is committed to providing a friendly, safe, and welcoming environment for everyone who applies for a position or already works with us, regardless of their sports preferences, gender, gender identity and expression, sexual orientation, disability, physical appearance, body size, race, age, or religion (or lack thereof).

Meet Urban Sports Club

We are among the leading platforms for sports and wellness in Europe, dedicated to inspiring people to live active, healthy lives. With just one membership we offer access to thousands of fitness and wellness experiences across the continent.

But what truly sets us apart? We believe our people are at the heart of everything we do. If you’re curious about how we work, what we value and how you might grow with us, explore our Culture Hub & Career Opportunities.

*Big news: Wellhub and Urban Sports Club unite!*
Urban Sports Club is now a proud part of Wellhub, creating a global wellbeing ecosystem. Together, we connect 39,000 corporate clients and 97,000 wellness partners across 18 countries, offering millions of people even more ways to stay active and take care of their health.

The opportunity 

We are looking for a Android Engineer to join our Tech Hub in Valencia, Spain. If you are passionate about delivering exceptional user experiences in an international environment, this is the opportunity for you.

As part of a cross-functional team, you will contribute to the development of our flagship application, create innovative features, and enhance our customer check-in experience.You will collaborate with talented engineers in a fast-paced, technically challenging environment to deliver new and impactful features.

What you will do

• Design and build advanced applications in Kotlin for the Android platform 
• Collaborate with cross-functional teams to define, design, and deploy new features.
• Unit-test code for robustness, including edge cases, usability, and general reliability. 
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

What you will need to succeed

• Bachelor’s degree in Computer Science and 4+ years of Android development experience
• Solid knowledge of Android SDK, UI design principles, and handling different screen sizes
• Experience integrating RESTful APIs, Maps API, and push notifications
• Understanding of Google’s Android design principles and interface guidelines
• Familiar with common Android libraries and performance optimization
• Ability to translate business needs into technical solutions

What’s in it for you 

• Work on cutting-edge tech and influence the future of our stack: explore our Tech Radar 
• Free Urban Sports Club L Pro Membership + Friends and Family Discount: Stay active with free membership, plus discounts for friends and family.
• Flexible Work Model: Enjoy a hybrid work setup, balancing on-site and remote work options to fit your lifestyle.
• Extended Remote Work Options: Work up to 120 days remotely within the EU, the UK, and Switzerland, including 30 days outside the EU. You’ll also have the option to desk-swap at our other European offices.
• WorkOUT Life Balance: Take advantage of 30 days of paid vacation annually, plus two additional days for volunteering, flexible working hours, and complimentary access to our mental health provider Open Up.
• Personal Development: Receive an annual budget of €1,000 for professional growth, with regular internal training sessions and weekly German and English language classes.
• Engaging Team Culture: Participate in regular team and company events along with wellness initiatives that help you stay productive, healthy, and engaged in a hybrid work environment.

Urban Sports Club is committed to providing a friendly, safe, and welcoming environment for everyone who applies for a position or already works with us, regardless of their sports preferences, gender, gender identity and expression, sexual orientation, disability, physical appearance, body size, race, age, or religion (or lack thereof).

Mission

Act as the execution engine of the team, transforming architectural specifications into robust, efficient, and production-ready code. You will work on building and optimizing a hybrid Node.js–C++ system, leveraging AI tools as a key accelerator to maximize development speed without compromising quality.

Responsibilities:

• Develop backend components in Node.js and high-performance integrations with C++
• Translate technical specifications into functional solutions and accurately
• Use AI tools to accelerate development, validation, and code improvement
• Apply test-driven approaches to ensure robustness and stability
• Manage and optimize build environments (Docker, Make, CMake)
• Analyze system performance and identify bottlenecks, especially in Node.js ↔ C++ interactions
• Refactor legacy code into clean, maintainable, and high-performance solutions
• Collaborate closely with architecture roles to continuously improve the system

Requirements

Technical:

• Strong experience with Node.js development
• Ability to read, understand, and debug C++ code
• Experience working in Linux environments
• Familiarity with build tools and containers (Docker, Make, CMake)

AI & Development:

• Hands-on experience with AI-assisted development tools (e.g., Cursor, Claude, or similar)
• Ability to use AI as a productivity multiplier in software development
• Experience with iterative development, testing, and validation workflows

Profile:

• Strong English communication skills, as you will be working in an international team
• Execution-driven mindset with strong focus on quality and results
• Comfortable working in fast-paced environments
• Strong interest in performance optimization and continuous improvement

What We Offer:

• Hybrid work model (in any of our offices in Alcobendas, Valencia, Barcelona, Sevilla, or Logroño)
• Flexible working hours
• Flexible compensation package
• Discounts on Arsys products
• Discounts on technology brands
• Challenging technical environment with real high-performance system problems
• Access to advanced AI tools with no usage restrictions
• Close collaboration with senior profiles and a strong culture of continuous improvement
• Personalized training and development plans
• Biannual team events

We are seeking a Middle/Senior QA Automation Engineer to contribute to the development and quality assurance of a newly launched, multi-brand Sportsbook platform. This role offers the opportunity to work within a high-concurrency environment, addressing the unique challenges associated with real-time data processing and rapid system scaling. The successful candidate will work alongside a highly experienced team of senior engineers and architects, taking direct ownership of the quality and reliability of key services.

✅ Responsibilities: 
✔ Build scalable test automation projects from scratch and extend existing frameworks using the .NET stack.
✔ Develop and execute comprehensive test suites covering UI, API and Integration layers.
✔ Validate complex data structures and backend logic via the relational and non-relational databases.
✔ Conduct manual testing when necessary.
✔ Proactively utilize and build AI-driven tools (MCP-Servers, Agents) to optimize the testing lifecycle.

✅ Requirements: 
✔ 3+ years of hands-on experience in QA Automation.
✔ Upper-intermediate level of English (B2) for effective team communication.
✔ Experience in building and maintaining test Automation Projects in C#/.NET.
✔ Proficiency in modern UI automation frameworks (e.g., Playwright, Selenium).
✔ Advanced API test automation skills.
✔ Understanding of HTTP protocols, GraphQL, and WebSockets.
✔ Experience with non-relational Databases. Writing complex aggregation pipelines.
✔ Hands-on experience with Docker and containerized environments.

✅ Nice to Have:
✔ Experience with CI/CD pipeline configuration (Azure DevOps, GitHub Actions, or Jenkins).
✔ Knowledge of performance and load testing principles.

✅ Soft Skills & Mindset:
✔ Strong analytical skills and critical thinking.
✔ High level of self-organization
✔ Ability to operate with minimal supervision in a fast-paced environment.
✔ Capacity to translate high-level requirements into structured, executable automation strategies.