Gattaca
Software Engineer
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Job Title: Software Engineer
About the Role
Our client, a leading consultancy in the Defence & Security sector, is currently seeking an experienced Software Engineer to join their team on a permanent basis, based in Leatherhead.
Key Responsibilities
- Design, develop, and maintain high-quality software components using Java and C++, with a focus on robustness, performance, and maintainability
- Implement and extend code that interacts with a flexible integration framework for solver coupling and data exchange
- Work closely with clients, domain scientists, and computational engineers—often on-site—to understand requirements and translate them into effective software solutions
- Contribute to defining and evolving software architecture, balancing performance, scalability, and long-term maintainability
- Write clean, well-documented, and testable code in line with scientific software development best practices
- Participate regularly in code reviews, debugging sessions, and performance profiling to improve code quality across the team
- Support and mentor junior developers through technical guidance, constructive review, and knowledge sharing
- Over time, take on increasing responsibility for guiding technical direction and contributing to the planning, delivery and management of project work
- Help develop client relationships and contribute to development of new business, such as through writing effective proposals
- Thrive in a consultancy environment solving real-world, high-consequence challenges
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Job Requirements
- Professional experience developing software in Java and C++
- Practical experience applying object-oriented design principles and modular software architectures
- Familiarity with collaborative development practices, including Git and CI/CD pipelines
- Experience working across the full software development lifecycle, including design, implementation, testing, and maintenance
- Knowledge of software testing techniques and a commitment to writing reliable, maintainable code
- Solid analytical and problem-solving skills, with the ability to work effectively both independently and as part of a multidisciplinary team
- The confidence and communication skills to work directly with clients and technical stakeholders
- Sole UK nationality, due to the nature of the work
Desirable Skills
- Experience writing unit tests using JUnit and Google Test Frameworks
- Solid understanding of numerical methods and scientific computing principles
- Background in physics, applied mathematics, or engineering
- Experience in development with Fortran 90
- Experience in SQL database development
- Experience using the Java Spring framework
- Experience working in the defence sector
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Benefits
- Competitive salary with yearly reviews
- 25 days holiday + the opportunity to buy 5 days
- A company with its heart in the right place and a welcoming work culture
- Happy to talk flexible working
- Enhanced parental benefits
- Company pension scheme
- Targeted professional development
- Life assurance
- Private healthcare membership
- Bonus scheme linked to company performance
- Paid membership fees to a professional institution
- Support in attaining professional membership
- Cycle to work scheme
- Season rail ticket loan
- Additional optional benefits tailored to your personal requirements
If you are an experienced Software Developer seeking a new challenge and wish to further develop your technical and leadership skills, we would love to hear from you. Apply now to join our client's impactful and dynamic team.
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