Full Stack Engineer

Role/Job title: Full Stack Engineer Work Location: London Mode of working: Hybrid / 3 days a week in office + 2 days remote. We are seeking a talented Full Stack Engineer to join our multinational technology clients’…

Inside IR35 Hybrid IT
Pay rate £400 – £450/day
Contract type Contract
Posted 27 October 2026

Trusted. Transparent. Built for contractors. Thousands of UK contractors find their next contract on ContractorUK.

View all IT & technology jobs ›

About this contract

Hybrid / Inside IR35

Role/Job title: Full Stack Engineer
Work Location: London
Mode of working: Hybrid / 3 days a week in office + 2 days remote.
We are seeking a talented Full Stack Engineer to join our multinational technology clients’ high-performing engineering team building scalable, enterprise-grade web and mobile applications. You will play a key role in developing innovative solutions across both front-end and back-end technologies, collaborating closely with product managers, designers, architects, and fellow engineers to deliver high-quality software that creates real business value.
This is an excellent opportunity for a hands-on engineer who enjoys working across the full development lifecycle, from designing user interfaces to building robust APIs and scalable backend services.
Key Responsibilities
• Develop and maintain scalable front-end and back-end applications for web and mobile platforms.
• Collaborate with cross-functional teams to design and deliver intuitive, high-performance software solutions.
• Write clean, maintainable, and efficient code following software engineering best practices.
• Design, develop, and integrate RESTful APIs and backend services.
• Troubleshoot, debug, test, and optimize applications to ensure reliability, performance, and scalability.
• Participate in code reviews and contribute to engineering standards and best practices.
• Work within agile delivery teams and contribute to continuous improvement initiatives.
Essential Skills & Experience:
Backend Development
• Strong development experience using Java and/or Python.
• Extensive experience with Spring Framework and Spring Boot.
• Strong understanding of MVC architecture, design patterns, and dependency injection.
• Experience building and maintaining RESTful APIs.
Frontend Development
• Strong knowledge of HTML5, CSS3, and JavaScript (ES6+).
• Commercial experience building applications with React.js.
• Experience with component-based architecture and state management using:
o React Hooks
o Redux
o Context API
o NgRx
• Experience developing responsive, cross-browser compatible user interfaces.
Security & Data
• Experience implementing authentication and authorization solutions using:
o JWT
o OAuth2
• Strong SQL database skills with experience in:
o MySQL
o PostgreSQL
o Oracle
• Ability to write complex queries, joins, indexing strategies, and query optimization.
What We’re Looking For
• Strong problem-solving and analytical skills.
• Passion for building high-quality software.
• Ability to work effectively within collaborative, agile teams.
• Excellent communication and stakeholder engagement skills.
• Commitment to continuous learning and adopting modern engineering practices.
If you're a passionate Full Stack Engineer looking to work with modern technologies, cloud platforms, AI-led solutions, and large-scale enterprise applications, we'd love to hear from you

Apply for this job

You'll complete your application on CV-Library, our jobs partner.

← More IT & technology jobs

Set up for this contract

ContractorUK partners
Markel Direct IR35 and contractor insurance

Most agencies and clients ask for professional indemnity and public liability before you start.

Get your quote →
Umbrella companies Inside IR35: you will be paid through an umbrella

Compare the umbrella companies listed on ContractorUK before you accept.

Compare umbrellas →

Get new IT contracts by email

One email when new matches appear. Unsubscribe with one click.

Prefer to be found? Upload your CV to CV-Library — free