Salary: £100,000 - 100,000 per year Requirements: Experience working in a financial services or trading environment Strong C++ development experience on Linux or UNIX, C++14 and above Good SQL skills Passionate technologist motivated by working on cutting-edge systems and engineering complex solutions Positive, proactive team member excelling in collaborative environments Strong knowledge of software engineering best practices Degree educated with a 2.1 or above in a STEM discipline Responsibilities: Design and develop bespoke technical solutions meeting user requirements Contribute to the evolution of the cutting-edge platform Build complex systems for cross-asset securities and derivatives post-trade processing solutions Technologies: Linux SQL Unix Backend C++ More: We are a global leading FinTech company looking for a Senior C++ Software Engineer to join our London office. We offer a competitive salary up to £110k, a pension with up to 9% contribution, healthcare, volunteer/charity days, and hybrid working with the flexibility to work from home two days a week. This is a great opportunity for you to progress your career alongside established business and technology leaders, while deepening your finance experience in a diverse and inclusive workplace. last updated 8 week of 2026