Senior Backend Engineer - Golang

We are looking for an experienced Senior Backend Engineer to join our Foundation Engineering team. You will be crafting the very core services that power the entire Urban Sports Club ecosystem, taking ownership of critical Identity & Authentication services and core Search backend, with plans to architect and scale a centralized Notification service.

What you'll do

• Architect, develop, and maintain high-throughput, application-level foundational services, focusing initially on identity/authentication and core search backend service.
• Design and implement future shared services that support scaling the platform.
• Build clean, robust, and well-documented internal APIs and developer tools that empower other product teams to build features rapidly and securely.
• Deliver highly testable, maintainable, and secure Golang code, taking full operational ownership of the components your team develops.
• Actively participate in the Urban Sports Club backend cluster, championing strong system design, modularized architecture, and automated testing across the company.
• Work closely with product owners, tech leads, and other engineering teams to understand requirements and translate them into scalable, domain-agnostic solutions.

What you'll need

• Extensive industry experience as a Senior Backend Engineer developing, optimizing, and troubleshooting large-scale applications written in Go (6+ years).
• Solid understanding of core foundational services like Identity/Authentication protocols (e.g., Keycloak, OAuth2, OIDC) and search engines.
• Deep understanding of data structures, algorithms, and distributed system design.
• Track record of designing clean, secure, and developer-friendly internal APIs that scale across multiple engineering teams.
• Comfortable working within cloud ecosystems (GCP/AWS) from an application perspective.
• Ability to break down complex problems into elegant software solutions and communicate effectively with technical stakeholders.

Nice to have

• Experience with PHP to understand existing legacy logic during modernizations or integrations.

What they offer

• Free Urban Sports Club L Pro Membership plus Friends and Family Discount.
• Hybrid work setup with up to 120 days remote work within the EU, UK, and Switzerland.
• 30 days paid vacation annually plus two additional days for volunteering.
• Annual €1,000 budget for professional development with regular training and language classes.
• Relocation support and visa agency assistance.
• Access to mental health provider Open Up and complimentary wellness initiatives.