Senior Software Engineer (Java / Kotlin) Manchester (Hybrid - 2 days onsite per week) Contract until end of 2026 £731.25/day Umbrella A global travel technology organisation is building a brand-new connectivity platform and requires a Senior Software Engineer to help shape the architecture, engineering standards and technical direction of a newly formed team. This is a hands-on senior engineering role where you'll lead the design and delivery of large-scale backend services and integrations connecting external providers into a high-volume marketplace platform. What you'll be doing Designing and building scalable backend services using Java and/or Kotlin Leading system design discussions and driving technical decisions Building integrations with third-party APIs and external platforms Developing resilient distributed systems with a strong focus on reliability and observability Collaborating with Product, Operations and Commercial teams to deliver business-critical functionality Driving engineering best practice, code quality and operational excellence Mentoring engineers and providing technical leadership within the team Key experience required Strong commercial experience developing backend systems in J...
