Your new company Working for a globally renowned financial organisation Your new role We are seeking 2x Senior Software Engineer / Data Platform Engineer's to support the ongoing evolution of a large‑scale financial data platform. Our environment combines long‑established enterprise systems and legacy components with modern cloud‑based services running on AWS. The platform processes high‑volume structured data and underpins both internal systems and customer‑facing products. A substantial portion of the platform is built on large SQL Server data estates, so strong SQL Server expertise is essential. The successful candidate will play a key role in modernising core systems, improving performance and reliability, and delivering scalable services for the next generation of the platform. This role is ideal for engineers who can work confidently across both legacy and modern architectures, and who have deep experience designing and building robust APIs and data services. What you'll need to succeed Deep SQL Server development/ optimisation experience. Strong AWS knowledge (Lambda, Amazon S3, API Gateway). Experience working in environments with legacy estates/ servers. Experienced with programming languages such as Python or C#. Background in financial services or data‑heavy platforms with experience with legacy/ modern platforms. Solid mathematical or quantitative background would be beneficial for analytics‑focused work. What you'll get in return Flexible working options available. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk