TransUnion''s Job Applicant Privacy Notice What We''ll Bring:We Are TransUnion:TransUnion is a major credit reference agency, and we offer specialist services in fraud, identity and risk management, automated decisioning and demographics. We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance.What You''ll Bring:We''re looking for a Systems Developer to join our growing Integrations and Decisioning team. Day to Day You''ll Be:Design and build reliable backend systems and infrastructure toolingUse TDD to write high-quality, maintainable code and build out automated test suitesOwn reliability, observability, and performance of key servicesCollaborate with clients to understand requirements, debug issues, and propose solutionsDrive improvements to system architecture, automation, and deployment processesMentor junior developers and contribute to a strong engineering cultureTake ownership of problems-investigate, iterate, and fixEssential Skills and Experience:Strong programming skills in Node.js or similar backend languageUnderstanding of TDD and a focus on automated testingExperience owning backend systems in production environmentsComfort working directly with clients to gather requirements and debug issuesStrong problem-solving skills and a desire to understand the root cause of complex issuesClear communicator-both in writing and on callsDesirable Skills and Experience:Experience with Clo