Senior Full Stack Developer
Posted Today by Intec Select Ltd
£600 Per day
Outside
Remote
Tower of London
Summary: The Senior Full Stack Developer role is a contract position focused on delivering business-critical platforms in the financial services and pensions sectors. The position emphasizes hands-on engineering, clean architecture, and collaboration with senior engineers and QA specialists. The developer will be responsible for designing and building full-stack solutions using modern technologies in a cloud environment. This role requires strong experience in both backend and frontend development, particularly in regulated domains.
Key Responsibilities:
- 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 Monte Carlo simulations, cashflow projections, scenario modelling, valuation/forecasting logic, and pension or investment modelling engines
Key Skills:
- 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
Salary (Rate): £600/day
City: Tower of London
Country: United Kingdom
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
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 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