Senior Back End Engineer - Sportsbook

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Back End Engineer – Sportsbook based in Switzerland. This is a senior engineering opportunity to help build a brand-new Sportsbook platform from the ground up. You will play a key role in shaping the backend architecture, technical foundations, and engineering practices behind a global gaming product. The position covers the full software development lifecycle, from understanding product requirements and system design through deployment, testing, and maintenance. You will work closely with cross-functional teams to turn ambitious product ideas into scalable and reliable technical solutions. As a senior technical contributor, you will influence architectural decisions, improve system performance, and establish strong engineering standards. The environment is agile, fast-moving, and highly collaborative, offering substantial ownership over the technology being built. It is an opportunity to make a direct impact on a new Sportsbook product and help define its technical direction from day one. Design, develop, and maintain scalable, reliable, and efficient backend services for a new Sportsbook platform. Contribute to the end-to-end development lifecycle, from framing product requirements and technical design through implementation, testing, deployment, and ongoing maintenance. Collaborate with product, engineering, and other cross-functional stakeholders to understand business needs and translate them into clear technical specifications. Lead architectural discussions and make informed technology decisions that improve scalability, performance, reliability, and maintainability. Design and implement large-scale distributed systems capable of supporting a growing gaming platform. Troubleshoot, debug, and resolve complex technical issues across backend services and production environments. Establish and promote software engineering best practices, coding standards, testing approaches, and code-review processes. Contribute to CI/CD practices and deployment automation to support reliable and efficient software delivery. Help shape the technical roadmap and architecture of the Sportsbook as the product evolves. Requirements: Proven experience building and launching a Sports betting application from scratch, with strong understanding of the technical requirements of Sportsbook platforms. 7+ years of professional software development experience, with strong expertise in Java and/or Kotlin and Spring . Demonstrated experience designing and implementing large-scale software systems, particularly distributed and highly scalable backend systems. Strong understanding of backend architecture, system design, scalability, performance, and reliability. Hands-on experience with AWS and cloud-based application environments. Experience designing and maintaining CI/CD pipelines and modern software delivery practices. Strong problem-solving and debugging skills, with the ability to investigate complex technical issues independently. Ability to lead technical discussions, influence architectural decisions, and communicate clearly with both technical and non-technical stakeholders. Strong collaboration skills and the ability to work effectively in an agile, cross-functional environment. Good command of English, equivalent to at least B2 level . Benefits: Opportunity to build a new Sportsbook platform from the ground up and directly influence its architecture and technology. High level of technical ownership and visibility across a new product initiative. Opportunity to work on large-scale, distributed backend systems and challenging engineering problems. Collaborative and agile working environment with cross-functional teams. Ability to shape engineering standards, architectural decisions, and development practices from an early stage. Opportunity to contribute to an ambitious global gaming product and help shape its fu