Senior Software Engineer - Ruby
Legend is hiring a Senior Software Engineer reporting directly to our Senior Engineering Manager. This is an opportunity to shape the technical foundation of a high-growth product in the competitive gaming space — a market scaling rapidly worldwide. You’ll help design and implement the backend and platform architecture that powers real-time tournaments, delivering scalable, secure, and high-performing systems players rely on. You’ll collaborate closely with engineers, product managers, and designers to deliver high-quality solutions while applying modern practices like Domain-Driven Design, SOLID, and GRASP. If you thrive in fast-paced environments, enjoy tackling tough scaling challenges, and want to shape the future of competitive gaming, this is your chance to make your mark.
- Design and implement application architecture that is scalable, maintainable, observable, and high-performing.
- Write clean, efficient, and well-documented Ruby/JavaScript (or other backend language) code.
- Conduct code reviews, review architecture, and contribute to engineering best practices.
- Identify and optimise performance bottlenecks across systems.
- Collaborate closely with cross-functional teams to deliver impactful features.
- Ensure application security, implementing safeguards against vulnerabilities.
- Proven experience delivering large-scale systems in production.
- Strong grounding in Domain-Driven Design, API-first architecture, and software design patterns.
- Proficiency in JavaScript (React/Next) or another backend language, with knowledge of Ruby.
- Experience with Pub/Sub, websockets, and Server-Sent Events (SSE).
- A strong product engineering mindset — able to translate requirements into technical designs and ship features end-to-end.
- Starting salary from 3000 EUR per month.
- Super smart colleagues to work alongside and learn from, with company-wide team-building events twice a year, including great entertainment, catering, and accommodation in a beautiful hotel.
- Engaging development opportunities at all levels.
- Tailored flexibility for your work-life balance.
- Exciting global Legend events, where we unite in person to ignite our shared passion and unveil the exciting strategies for the year ahead!
- Unlock your full potential by joining the Legend team.
- To support you on this journey, we provide an extensive array of benefits and perks, as outlined in our global offerings above.
- For country specific benefits please reach out to your talent partner.
Welcome to Legend, the home of next-level player experience. We're pioneering the way that people, explore, play and bet on what they love. The engine behind 25+ world-class brands in Sports & Gaming. Join a 800+ global team, across 10 global hubs, confidently growing world-leading brands. Driven by data, creativity and collaboration, we move fast, learn constantly and deliver excellence at scale. Our formula to becoming the ‘MVP’ in Sports & Gaming = Mindset. Vision. Performance. Legend is a place where high-performers thrive. Where we win as one and celebrate together. If you're ready to raise the bar, we want to meet you.

