Senior Full Stack Developer (Contract)

Outside IR35 | Remote | Up to £600/day

Overview
We’re partnering with a specialist software consultancy delivering business-critical platforms across financial services and pensions. They’re looking for a Senior Full Stack Developer who enjoys proper engineering — clean architecture, ownership of solutions, and working alongside experienced senior engineers and QA specialists.
This is a hands-on delivery role (no line management, no ticket-factory environments) with meaningful technical influence across the full stack.

What you’ll be doing
*Designing and building end-to-end full-stack solutionsin a modern cloud environment
*Backend development using Python and C#
*Frontend development with TypeScript and React
*Working within Azure (Functions, Azure SQL, Service Bus, ADF)
*Contributing to architecture discussions, technical design, and code reviews
*Applying pragmatic AI-assisted / agentic engineering practices to improve delivery quality and velocity
*Supporting development of financial modelling platforms, including areas such as:
-Monte Carlo simulations
-cashflow projections
-scenario modelling
-valuation / forecasting logic
-pension or investment modelling engines

What we’re looking for
*Strong experience as a Senior Full Stack Developer across backend, frontend, and cloud
*Commercial experience building modelling or calculation-heavy platforms in financial services, pensions, investments, or similar regulated domains
*Exposure to simulation engines, forecasting tools, or financial projection systems
*Comfortable owning features end-to-end and making sensible technical trade-offs
*High standards around code quality, testing, and maintainability
*Experience working in regulated or accuracy-critical environments

Contract details
*Up to £600 per day
*Outside IR35
*Fully remote
*Initial 6-month contract