Senior Backend Developer - Architecture, Data Modelling
Senior Backend Developer - Architecture, Data Modelling
£(Apply online only) per day (Inside IR35 - Umbrella)
London / Hybrid (3 days per week on-site)
Duration: Initially 6 months
My client is a global financial services organisation who are hiring an experienced Senior Backend Enginee r with strong Architecture and Data modelling skills. The role will focus on making complex enterprise applications faster, simpler and more reliable. This is a backend-focused role, with some frontend capability to deliver changes.
Key Requirements:
- Senior backend engineering experience. A track record of building and operating enterprise-scale web applications, with substantial hands-on responsibility rather than purely architectural oversight.
- Strong backend and database skills. Production experience with TypeScript/JavaScript and Node.js, API design, asynchronous programming, SQL and relational data modelling.
- Evidence of performance improvement. Practical experience profiling applications, diagnosing bottlenecks and reducing end-to-end latency, with before-and-after measurements.
- Architecture and data-model simplification. Examples of reducing complexity in an existing system, recognising redundant data structures and delivering safe, incremental refactoring or migration.
- Financial services or banking experience required
- Full Stack developers are also considered
Nice to have:
Snowflake query optimisation and stored procedures; Snowpark Container Services or comparable container platforms; AG Grid and TanStack Query; workforce, finance or other sensitive enterprise-data applications; approval and audit workflows. Experience with every component of our stack is not essential.
If the above is a good fit, please click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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