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 solutions in 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
Salary description
£450.00 - £600.00 per day