Full Stack (React & .NET) Developer - 9 months Contract
Split is 80% Front End - 20% Back End - Mainly UI Focused.
Upto £675 Per Day Inside IR35
Location: London/Hybrid
About the Role:
Our capital markets practice is seeking a skilled and motivated Full Stack Developer with strong experience in React and .NET technologies and a passion for building scalable, cloud-native applications to work with a leading investment bank.
You will be responsible for designing, developing, and maintaining both Front End and Back End components of our clients enterprise-grade solutions, with a strong emphasis on Azure cloud services.
2-3 Days a week on site in London.
Key Responsibilities
* Refactor and enhance the data ingestion engine to improve flexibility, configurability, and auditability
* Build and maintain independent data pipelines for multiple HR systems (Workday, FieldGlass, VNDLY)
* Develop and extend Front End UI (React/Node.js) to improve operational visibility
* Support and enhance field mapping configurations for onboarding new data sources
* Contribute to validation logic and outbound data transformation to downstream systems.
* Explore and implement automated testing approaches (currently manual)
* Collaborate closely with the Technical Architect and wider team in an agile.
Technical Environment
* Back End: C#, .NET, Azure Functions
* Front End: React, Node.js (with C# APIs)
* Cloud: Microsoft Azure
* AI Tooling: GitHub Copilot, Claude (AI-assisted development is actively used)
Required Skills & Experience
* Strong full-stack development experience with a front-end focus (React/Node.js)
* Solid Back End experience with C#/.NET
* Experience working with data integration, ETL processes, or data pipelines
* Understanding of data transformation, validation, and system integration patterns
* Ability to work across both Front End and Back End as required
* Comfortable working in a fast-paced, evolving environment