Contract Back-End Java Engineer Remote up to £650 per day

12-month contract (with potential extension)

Are you an experienced Back-End Java Engineer with proven experience in the gambling industry? This is a fantastic opportunity to work on large-scale, high-traffic platforms for a well-known operator, delivering critical back-end services in a modern, distributed environment.

This is a fully remote contract (UK-based), initially for 12 months with strong potential to extend.

Key Requirements

• You have strong commercial experience with Java and frameworks such as Spring/Spring Boot.
• You bring solid cloud experience (preferably AWS) and are confident working with Kubernetes and Docker.
• You’re skilled with messaging systems and APIs (Kafka, ActiveMQ, JMS, REST, CometD).
• You have hands-on experience with databases (DB2, MongoDB, MySQL).
• You understand caching technologies.
• You’re familiar with build tools (Maven), web servers (Jetty, Tomcat), and test frameworks (JUnit, Cucumber).
• Experience with Terraform or other infrastructure-as-code tools is a plus.
• Previous gambling/iGaming experience is essential - this is an absolute requirement.

What You’ll Be Doing

• Designing and developing game back-end server logic to support gambling products at scale.
• Building, enhancing, and maintaining back-end services that power high-traffic gambling platforms.
• Contributing to the design and architecture of distributed systems that need to be fast, scalable, and secure.
• Writing clean, reusable, and reliable Java code that follows best practices.
• Working with databases, caching, and messaging systems to ensure smooth performance and real-time gameplay.
• Collaborating with Product, QA, Front-End, and DevOps teams to deliver new features and resolve challenges.
• Taking an active part in Agile ceremonies - planning, stand-ups, reviews, retrospectives.
• Creating and maintaining clear documentation for APIs, services, and workflows.
• Providing production support and troubleshooting to keep systems stable and efficient.
• Driving continuous improvements through refactoring, automation, and performance tuning.

What’s on Offer

• Day Rate: Up to £650 (outside IR35)
• Contract Length: 12 months, with strong possibility of extension
• Location: Fully remote UK-based
• The chance to work on business-critical, high-traffic gambling products with a well-known operator

Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and creating an inclusive and equitable environment for employees and applicants. We actively celebrate and embrace differences, including but not limited to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran status, and disability. We encourage applications from individuals of all backgrounds and experiences and all will be considered for employment without discrimination. At Eligo Recruitment diversity, equity and inclusion is integral to achieving our mission to ensure every workplace reflects the richness of human diversity.