Back End Developer
Lorien
Job Description
Senior Backend Developer Leeds – 1 day onsite per week 6 Month Contract £600/day inside IR35 About the Role Our client is seeking a Senior Backend Developer to join their Retail Development team. You’ll design and build scalable Java microservices, mentor engineers, and help shape the future of retail systems kiosks. This is a hands-on role focused on technical excellence, collaboration, and continuous improvement.
Key Responsibilities Design and develop Java microservices using Spring Framework Architect scalable, fault-tolerant systems Improve code quality, reduce technical debt, and enhance CI/CD pipelines Mentor developers and foster a culture of growth Collaborate across teams to deliver innovative retail solutions Participate in production support and on-call rotation What You’ll Bring Strong experience in Java development and Spring Framework Expertise in microservices architecture Experience with messaging systems (Kafka, RabbitMQ) Proficiency with AWS, Docker, SQL/NoSQL, and automated testing Agile delivery mindset and DevOps experience Ability to mentor and influence technical decisions Bonus Points Experience with Python, TypeScript, Scala, or GraphQL Familiarity with advanced AWS services Background in sports betting or gaming industries Personal Qualities Ownership mentality and customer-focused approach Strategic thinker with a bias for action Passionate about learning and teaching Strong communicator and collaborator