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Senior JVM Software Engineer
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Senior JVM Software Engineer (Scala/Java)
6–12-month contract – Inside IR35 – up to £600 per day
London based – hybrid working – 2-3 days onsite
Finance sector – must have previous experience
Overview
Our client is seeking a Senior Software Engineer to join a team building a distributed calculation engine used to calculate financial indices and quantitative models. This is a business-critical platform operating within a high-performance financial services environment. This is primarily a backend engineering role, focused on designing and building new functionality rather than support or maintenance.
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Skills & Experience
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- Strong senior-level software engineering background
- Significant commercial experience with JVM technologies (Scala or Java)
- Experience building complex backend or distributed systems
- Strong understanding of software engineering fundamentals, including:
- Concurrency
- Testing
- Design patterns
- Clean code principles
- CI/CD practices
- Ability to operate independently and take ownership of complex technical problems
- Strong communication skills
- Hands-on design and development experience
- Ability to explain architectural decisions and technical trade-offs
- System ownership experience
- Strong Java development skills
- Understanding of how Java applications run in production
- JVM tuning and troubleshooting experience
- Performance optimisation experience
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