Experienced Software Developer

Title: Experienced Software Developer Salary range : £45,000 to £67,500 per annum (depending on capability and experience)  Location : Leatherhead   Working Pattern: We operate a flexible hybrid working pattern at Frazer-Nash, with time split between the office, client sites and working from home.   This role will require travel to our client site in Basingstoke up to 5 days per week.  Closing date: 30th October 2026    We encourage early applications, as vacancies may close once we receive sufficient applications.  INTEREST  Are you a software developer who enjoys solving complex problems and wants to grow into a technical leadership role? This position sits within Frazer‑Nash Consultancy’s Software and Digital Architecture capability, where software underpins our ability to deliver high‑impact solutions to critical national challenges.     You will be part of a multidisciplinary team working at the intersection of software engineering, numerical modelling, and domain science. Our teams collaborate closely with clients, scientists, and engineers to build robust, scalable software that supports advanced research and operational decision‑making. In the near to medium term, this role involves significant on‑site working with a client in the Basingstoke area, giving you direct exposure to real‑world problems and stakeholders.  This is an excellent opportunity for someone who wants to deepen their technical knowledge while developing the skills needed to mentor others, influence technical direction, and lead work packages or projects.  DUTIES AND RESPONSIBILITIES   You will be expected to:  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. EXPERIENCE REQUIRED   We are looking for someone who has:  Professional…