Senior Backend Engineer, JavaScript

FDJ United

  • Gibraltar
  • Permanent
  • Full-time
  • 2 months ago
DetailsWork Location Type:HybridOffice:,Type of Employment:Full Time PermanentReference Number:TEC2472About UsAt FDJ UNITED, we don't just follow the game, we reinvent it.FDJ UNITED is one of Europe’s leading betting and gaming operators, with a vast portfolio of iconic brands and a reputation for technological excellence. With more than 5,000 employees and a presence in around fifteen regulated markets, the Group offers a diversified, responsible range of games, both under exclusive rights and open to competition. We set new standards, proving that entertainment and safety can go hand in hand. Here, you’ll work alongside a team of passionate individuals dedicated to delivering the best and safest entertaining experiences for our customers every day.We’re looking for bold people who are eager to succeed and ready to level-up the game. If you thrive on innovation, embrace challenges, and want to make a real impact at all levels, FDJ UNITED is your playing field.Join us in shaping the future of gaming. Are you ready to LEVEL-UP THE GAME?About the roleWe are looking for a passionate Senior Backend Engineer with solid experience in Node.js and TypeScript. As a key member of a Cross-Functional team within the Sportsbook Area, you'll focus on designing and building robust, scalable, and high-performing backend services, with a strong emphasis on backend-for-frontend (BFF) patterns and RESTful API design.
You'll work closely with Product Owners, front-end and iOS developers, architects, and other backend engineers to deliver high-quality, maintainable solutions that power our web and mobile experiences. Your contributions will directly support FDJ's “Journey Towards Zero” initiative, helping us minimize revenue from harmful gambling and maximize player safety.
You'll actively participate in technical discussions, drive architectural decisions, and take ownership of your work throughout the full development lifecycle-“You Build It, You Run It” is at the core of how we work. As a Senior Backend Engineer, you'll also be expected to mentor and support your teammates, share best practices, and foster a culture of collaboration and continuous improvement.Our backend technology stack includes:
  • Node.js with JavaScript and TypeScript
  • RESTful APIs and Backend-for-Frontend (BFF) architecture
  • CI/CD pipelines using Jenkins and ArgoCD for streamlined deployment
  • Event-driven architecture using Kafka
  • Monitoring and observability with Grafana and Elasticsearch
End-to-end testing with Cypress (for integration across services)We follow modern development practices with a strong focus on reliability, scalability, and developer experience.To excel in this role, we believe you…
  • Have solid experience working as a Senior Backend Developer/Engineer, with strong skills in JavaScript, TypeScript, and Node.js
  • Are familiar with Agile methodologies such as Scrum or Kanban, and enjoy working collaboratively within cross-functional teams
  • Have hands-on experience building and maintaining RESTful APIs
  • Have experience releasing backend services to production and managing them with proper versioning and documentation
  • Take full ownership of your work and the entire software development lifecycle (SDLC), including writing unit, integration, and end-to-end tests
  • Have implemented CI/CD pipelines, using tools like Git, Jenkins, and ArgoCD, and are comfortable with automated testing and deployment strategies
  • Can effectively investigate, troubleshoot, and resolve production issues, and may have experience acting as an Incident Manager
  • Have a strong understanding of testing best practices such as TDD and/or BD
  • Are passionate about scalable architecture, system design, and solving complex backend challenges in a fast-paced, agile environment
In addition, you..Are a positive person by nature and have a passion for what you do, putting teamwork and collaboration above all else?
  • Have great communication skills and appreciate a culture where feedback sharing is encouraged to achieve not only to the success of the team, but also seen as essential to the improvement of personal and professional development.
  • Take great pride in your ability to grasp complex business scenarios and translate them into solutions with high quality, clean and performant code
  • Believe in yourself and your own abilities, but also appreciate that there is an endless ocean of new things to learn and take on board, cherishing the opportunity to do so
  • Join us on this exciting journey, where you'll have the opportunity to contribute to cutting-edge projects and expand your skills alongside a collaborative and dynamic team. Apply today and let your passion for Backend Development take flight! 🚀
Ensure that you adhere to the Governance, Risk & Compliance (GRC) obligations for your role.
  • Identify and raise any non-compliance incidents promptly to your line manager.
  • Challenge processes, policies and projects that will negatively impact compliance within the Group.
  • Complete all mandatory compliance training assigned to you.
  • Reach out to the Compliance Teams if unsure of any of your compliance obligations or the requirements are unclear.
Our Way Of WorkingOur world is hybrid.A career is not a sprint. It’s a marathon. One of the perks of joining us is that we value you as a person first. Our hybrid world allows you to focus on your goals and responsibilities and lets you self-organise to improve your deliveries and get the work done in your own way.Application ProcessWe believe talent knows no boundaries. Our hiring process focuses solely on your skills, experience, and potential to contribute to our team. We welcome applicants from all backgrounds and evaluate each candidate based on merit, regardless of personal characteristics as the age, gender, origin, religion, sexual orientation, neurodiversity or disability.

FDJ United