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Principal Software Engineer

Opus Resourcing Ltd • Cambridge, Cambridgeshire

Salary
£74k – £74k
Posted
6 June 2026
Work mode
Full-time
Sponsor match
Unknown
Principal Software Engineer with strong Java, Spring Boot or Micronaut experience is required to join an early-stage green energy technology start-up building advanced SaaS and data platform products for the renewable energy sector. You’ll take a leading role in the design, architecture, delivery and support of a new microservices-based SaaS product, working across scalable distributed systems, cl
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About this sector

IT and technology roles are one of the most consistently sponsored categories in the UK. Software engineers, data scientists, cloud architects, DevOps specialists, and cybersecurity professionals are in demand across finance, retail, the public sector, and specialist tech firms. Many large IT employers maintain established sponsorship processes through their HR and talent teams.

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