Senior Software Engineer

Job DescriptionPosition: Senior Software EngineerLine Manager/Reports to: Engineering ManagerSalary - £80,000 - £100,000 (dependent on experience)OverviewFounded in 2019, we launched MillTech with the aim of democratising access to institutional-grade FX management. In an industry largely renowned for its lack of transparency and automation, we believe that we can help clients to navigate and advance their risk management through technology.

Our award-winning FX-as-a-Service solution, now supports over $500bn of client FX transactions annually and enables Investment Managers and Corporate Treasurers to increase their market access to liquidity providers, reduce their cost and risk profile, and automate manual workflows. In 2025, we successfully expanded our product range to include Cash Management, and as we set our sights on the future, we continue to seek innovative ways of helping clients to achieve best execution and best practice on all their treasury related activities.Your missionWe're looking for an exceptional Software Engineer, preferably with a background in finance (ideally FX) to join our growing team. This is a unique opportunity to bring your skills and ideas to a fast-growing fintech company, where you will support us in defining and delivering technology solutions that help to deliver our ambitious plans.This role will focus on enhancing the trading capabilities of the group through developing the core trading backbone. This will include a mix of new features, reduction of technical debt and greater integration into the MillTechFX technology estate.Your responsibilities in this role will include: Development across the full stackContribute to architecture decisionsSupport & maintenance of codeDiscovery and integration of new technologiesHelp to embed a culture of engineering excellence and continuous improvementRequired skills:+5 years experience working in C#/.NETExperience developing front and middle office systemsStrong SQL experienceExperience developing cloud native solutions in Azure or AWSExperience with event-based, micro-services architectureExperience across the SLDC across software design, delivery and supportAdditional skills you may have:Python experience How to apply?We would love to hear from you if you think that you're a good fit for this role. To apply you should upload your CV. One of the team will then be in touch with you to discuss the next steps.