https://jobs.co.uk/job/senior-kotlin-engineer-event-streamingsourcing-london-salt--db9b00d8-c66d-4b62-929a-d252d89fe55f RSS feed for Senior Kotlin Engineer (Event Streaming/Sourcing) - London at Salt. en-gb Sat, 20 Jun 2026 23:23:47 GMT https://jobs.co.uk/job/senior-kotlin-engineer-event-streamingsourcing-london-salt--db9b00d8-c66d-4b62-929a-d252d89fe55f https://jobs.co.uk/job/senior-kotlin-engineer-event-streamingsourcing-london-salt--db9b00d8-c66d-4b62-929a-d252d89fe55f Sat, 20 Jun 2026 11:51:28 GMT Location: London | Salary: 10000-500000 Daily | Type: Contract | Senior Kotlin Software Engineer (Investment Banking) - London/hybrid Daily rate: £600 - £1000 Duration: 6 months Hybrid: 2 days on site Start: ASAP My banking client is looking for 2 experienced Senior Kotlin Software Engineers to join a cloud-hosted platform team within an investment banking environment. This is a fast-paced, Front Office-facing role with a strong emphasis on high-quality engineering, reliability, and collaborative working practices.The role offers exposure to modern engineering practices and the opportunity to work closely with business stakeholders in a demanding and high-impact environment.Key ResponsibilitiesDesign, develop, test, and maintain Back End services using KotlinContribute across the full software life cycle: development, integration, and production supportImplement and support event-driven architectures, including event sourcing and event streamingWork within an Agile/XP environment, utilising:Pair programmingMob programmingTest-first development practicesBuild and maintain CI/CD pipelines and deploy services to cloud environmentsContinuously refactor code and uphold high standards of code quality and reliabilityParticipate in architectural and tec... Contract