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# Senior Fullstack Developer - Inside IR35 - Insurance

- **Company:** Lorien Resourcing
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £182,000.0
- **Contract:** Temporary contract
- **Skills:** Adobe Analytics, HTML, Java (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Application Integration Architecture, User Authentication, Automation of Tests, C Sharp (Programming Language), Cloud Computing, Code Review, Continuous Integration, DevOps, Human-Computer Interaction, Python (Programming Language), Node.Js, Software Tools, Next.js, Software Engineering, TypeScript, Web Content Accessibility Guidelines, Web Applications, ReactJS, Backend, Non-relational Database, Api Design, Software Version Control, Microservices
- **Published:** October 23, 2026
- **Apply:** https://www.totaljobs.com/job/senior-full-stack-developer/lorien-resourcing-limited-job108228175

## About the Role

* 5+ years' full tack software engineering experience in Agile environments
 * Strong React, Next.js and TypeScript, with solid HTML, CSS and JavaScript fundamentals
 * Experience building accessible, responsive applications to WCAG 2.1 AA
 * Back-end experience in Java, C#/.NET, Node.js or Python
 * API design, relational and/or non-relational databases, and secure authentication and authorisation
 * Automated testing (unit, integration, API and end-to-end) and source control
 * Experience using AI-assisted engineering tools responsibly
 * Must have experience working within Financial Services. Insurance highly desirable

Nice to have

 * Cloud certification(s)
 * DevOps or platform engineering exposure
 * Containers and microservices
 * Experience in regulated or security-conscious environments

## Description

We're looking for a Full Stack Software Engineer to join a multi-disciplinary Agile delivery team, building secure, scalable and accessible web applications from the user interface through to the services behind it.

What you'll be doing

 * Designing, building, testing and deploying full stack solutions
 * Turning UX/UI designs and design system components into maintainable front-end code
 * Building and integrating APIs and back-end services
 * Writing automated tests across the stack and taking part in code reviews
 * Supporting troubleshooting, root cause analysis and CI/CD adoption