Senior Backend Engineer (All Genders) - Golang

ph3Meet Urban Sports Club /h3 pWe 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./p pBut 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./p pBig 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./p h3The opportunity /h3 pWe are looking for an experienced bSenior Backend Engineer /b to join our bFoundation Engineering /b team.In this role, you won't just be building features for a single product; you will be crafting the very core services that power the entire Urban Sports Club ecosystem./p pThe Foundation team sits at the heart of our engineering organization.We are responsible for application-level, system-wide services that enable our multi-million user base to interact with our platform seamlessly.Your initial focus will be taking ownership of our critical bIdentity Authentication services /b and our core bSearch backend /b, with exciting plans to architect and scale a centralized bNotification service /b in the near future./p pYou will act as a force multiplier for our entire engineering department.By designing highly scalable, secure, and performant internal APIs and services, you will enable other product teams to build fast and deliver value to our users.If you love deep-diving into system design, solving complex architectural challenges at the application level, and working with Golang, this is the perfect place for you./p pThis position will be based in Valencia, Spain./p h3What you will do /h3 ul libOwn Core System Services: /b Architect, develop, and maintain high-throughput, application-level foundational services, focusing initially on identity/authentication and our core search backend service./li libDrive Technical Evolution: /b Design and implement future shared services that support our vision for scaling the platform./li libEnable Engineering Teams: /b Build clean, robust, and well-documented internal APIs and developer tools that empower other product teams to build features rapidly and securely./li libWrite Exceptional Code: /b Deliver highly testable, maintainable, and secure Golang code, taking full operational ownership of the components your team develops./li libFoster Best Practices: /b Actively participate in the Urban Sports Club backend cluster, championing strong system design, modularized architecture, and automated testing across the company./li libCollaborate Across Boundaries: /b Work closely with product owners, tech leads, and other engineering teams to understand their requirements and translate them into scalable, domain-agnostic solutions./li /ul h3What you will need to succeed /h3 ul liYou have extensive industry experience as a Senior Backend Engineer developing, optimizing, and troubleshooting large-scale applications written in Go (6+ years)./li liYou have a solid understanding of (or direct experience with) core foundational services like Identity/Authentication protocols (e.g., Keycloak, OAuth2, OIDC) and search engines./li liYou possess a deep understanding of data structures, algorithms, and distributed system design.You know how to build modular, high-volume services that remain performant under heavy traffic./li liYou have a track record of designing clean, secure, and developer-friendly internal APIs that scale across multiple engineering teams./li liYou are comfortable working within cloud ecosystems (GCP/AWS) from an application perspective, understanding how to leverage cloud-managed services efficiently./li liYou break down complex, abstract problems into elegant software solutions.You communicate effectively with technical stakeholders and love mentoring others./li liExperience with PHP is a nice-to-have.We have some legacy context here, so a familiarity with PHP helps if you need to understand existing logic in modernizations or integrations - but your primary daily weapon will be Go./li liYou engage, inspire, and motivate the people you work with.We like to have fun while building the backbone of a platform that inspires healthy living./li /ul h3What's in it for you /h3 ul liWork on cutting-edge tech and influence the future of our stack: explore our Tech Radar./li liWe're open to relocation and providing support with our visa agency./li liFree Urban Sports Club L Pro Membership + Friends and Family Discount: Stay active with free membership, plus discounts for friends and family./li liFlexible Work Model: Enjoy a hybrid work setup, balancing on-site and remote work options to fit your lifestyle./li liExtended 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./li liWorkOUT 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./li liPersonal Development: Receive an annual budget of €1,000 for professional growth, with regular internal training sessions and weekly German and English language classes./li liEngaging 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./li /ul pbUrban 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)./b /p /p #J-*****-Ljbffr

li /ul h3What you will need to succeed /h3 ul liYou have extensive industry experience as a Senior Backend Engineer developing, optimizing, and troubleshooting large-scale applications written in Go (6+ years). /li liYou have a solid understanding of (or direct experience with) core foundational services like Identity/Authentication protocols (e.g., Keycloak, OAuth2, OIDC) and search engines. /li liYou possess a deep understanding of data structures, algorithms, and distributed system design. You know how to build modular, high-volume services that remain performant under heavy traffic. /li liYou have a track record of designing clean, secure, and developer-friendly internal APIs that scale across multiple engineering teams. /li liYou are comfortable working within cloud ecosystems (GCP/AWS) from an application perspective, understanding how to leverage cloud-managed services efficiently. /li liYou break down complex, abstract problems into elegant software solutions. You communicate effectively with technical stakeholders and love mentoring others. /li liExperience with PHP is a nice-to-have. We have some legacy context here, so a familiarity with PHP helps if you need to understand existing logic in modernizations or integrations - but your primary daily weapon will be Go.

li /ul h3What's in it for you /h3 ul liWork on cutting-edge tech and influence the future of our stack: explore our Tech Radar. /li liWe're open to relocation and providing support with our visa agency. /li liFree Urban Sports Club L Pro Membership + Friends and Family Discount: Stay active with free membership, plus discounts for friends and family. /li liFlexible Work Model: Enjoy a hybrid work setup, balancing on-site and remote work options to fit your lifestyle. /li liExtended 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. /li liWorkOUT 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. /li liPersonal Development: Receive an annual budget of €1,000 for professional growth, with regular internal training sessions and weekly German and English language classes. /li liEngaging 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. /li /ul pbUrban 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). /b /p /p #J-*****-Ljbffr

ph3Meet Urban Sports Club /h3 pWe 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. /p pBut 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. /p pBig 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. /p h3The opportunity /h3 pWe are looking for an experienced bSenior Backend Engineer /b to join our bFoundation Engineering /b team. In this role, you won't just be building features for a single product; you will be crafting the very core services that power the entire Urban Sports Club ecosystem. /p pThe Foundation team sits at the heart of our engineering organization.