26 full stack developer jobs found

Full Stack Developer - Python - React - Outside IR35 Tecknuovo is a digital technology consultancy with a Deliberately Different approach. This means we focus on people, not technology. We move at pace, and ensure Zero Dependency on us at the end of each project. Our mission is to challenge our industry's norm of supplier dependency. We don't only build and deliver solutions - we train and up-skill our customer's teams to transfer complete ownership to them after we exit the project. We help our customers achieve lasting transformation. We are Techies, chefs, wannabe sportsmen, coders, mothers, fathers, readers, superheroes, bookworms. What you'll be working towards We are currently looking to engage with a Full Stack Developer - Python - React - Outside IR35 on an exciting project with a private sector organisation that we have partnered with over the last 4 years. The main aim of the programme is to support this organisation through a major digital transformation by...

Full Stack Developer - Contract Position - HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: 6-9 months (extension after) Daily Rate: £300 - £340 per day outside IR35 Required Skills & Experience Strong experience with Laravel (PHP), Linux, AWS, Vue.js, MySQL, and GIT workflows Solid understanding of full stack development, including Server Side logic, Front End integration, and data flow Experience working with APIs and Real Time data integrations Strong debugging, problem-solving, and production support skills Proven experience as a Senior Full Stack Developer or similar role in a production environment Experience delivering and supporting live systems where reliability and uptime are critical Demonstrable experience working with data driven or dynamic content systems Experience collaborating with creative, production, or multidisciplinary teams Nice to have skills Exposure to...

Full Stack Developer - Contract Position - HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: 6-9 months (extension after) Daily Rate: £300 - £340 per day outside IR35 Key Responsibilities Delivery focused development support Join the team on a freelance basis to provide additional senior level development capacity when required Take on more complex or time sensitive development tasks within existing systems, working within established patterns and architectures Deliver well scoped features, integrations, and campaign builds without introducing unnecessary changes to core platform architecture Live support & problem solving Provide experienced development support during campaigns, helping diagnose and resolve issues quickly and pragmatically Assist with troubleshooting production issues, identifying root causes, and implementing safe fixes under the direction of the permanent team Support QA...

Full Stack Developer - Contract Position - HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: 6-9 months (extension after) Daily Rate: £300 - £340 per day outside IR35 Key Responsibilities Delivery focused development support Join the team on a freelance basis to provide additional senior level development capacity when required Take on more complex or time sensitive development tasks within existing systems, working within established patterns and architectures Deliver well scoped features, integrations, and campaign builds without introducing unnecessary changes to core platform architecture Live support & problem solving Provide experienced development support during campaigns, helping diagnose and resolve issues quickly and pragmatically Assist with troubleshooting production issues, identifying root causes, and implementing safe fixes under the direction of the permanent team Support QA...

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 solutionsin 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...

Senior Full Stack Developer - Outside IR35 - Contract - SC ideal We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the team and sharing that with the existing tech lead. The product is a note-taking and summarisation tool for use in local government, for which the remaining technical work mainly comprises infrastructure, evals, technical improvements, and UCD-driven product features. Must have: Experience mentoring junior developers Previously given responsibility for a chunk of delivery Comfortable working in Python and Typescript + React Full-stack developer Nice to have: previous experience with AWS, Terraform, any UK government projects Slightly nice to have but lower priority: LLM/AI experience and Next.JS £600 per day outside IR35 Start date: 13/04/2026 End date: 30/10/2026...

Outside IR35 Full Stack Software Developer - LLM/AI, Farnborough, Hybrid, £500-550 per day Outside IR35 Long term contract opportunity for a full stack engineer with experience in LLM. This is for a defence consultancy and security clearance (SC) would be needed prior to engagement. Due to the nature of the role, 2-3 days per week in Farnborough is needed. Key skills required Full stack development experience (Mid-senior level) PostgreSQL Python React JSON LLM and other AI Approaches - GenAI If you have worked in a security cleared environment, and skilled with LLM and AI Approaches, please apply.

🚀 Contract Full-Stack JavaScript Developer 📍 Location: 3 days per week onsite – Central London Office 📆 Duration: Initial 8 weeks + Extensions 💼 IR35 Status: Outside IR35 💰 Rate: £350p/d - £400p/d Opus is partnering with a design‑led digital agency to hire a Contract Full-Stack JavaScript Developer with a strong frontend bias. You’ll join a small, high‑calibre team focused on building slick, award‑winning digital products, taking products from 0–1 and to market . This is a hands‑on role for someone who enjoys clean UI, modern frontend tooling, and close collaboration with designers. They’re not looking for “super experienced developers, instead, smart, thoughtful engineers who ship quickly, communicate well, and bring ideas to the table. 🧠 What You’ll Be Working On Frontend‑heavy full‑stack feature development Building high‑quality, design‑led user interfaces Translating complex requirements into clean, scalable code Working...

Full Stack Developer | Remote (Bristol/London based) | 6-months | £450 – £500 p d |(Outside IR35) Firstly, happy new Year to everyone who has come across this advert! Hope everyone here had a great Christmas and enjoyed doing whatever they had planned. A client of mine, who operate in the financial sector are in search of a full stack (.NET/Angular) developer to help manage and maintain their web applications during a time of growth. The company uses GCP for its cloud services and Jasmine for their main testing library. If you have any exposure to working with Playwright, it would be handy, not essential. If Angular is your primary frontend language and you’re strong in .NET, drop me a DM and I would be happy to drop you a call to elaborate on the role in greater detail. Tech Stack GCP Jasmine Playwright Angular (moving to version 14) .NET (moving to version 8) REST API’s C# CSS Specifics Length: 6-month rolling contract Rate : £450 – £500 per day...

Technical Lead (.Net/React) | Outside IR35 .Net | React | SQL Sever We're working with a consultancy that has just secured a new project and is looking to bring in an experienced Technical Lead/Full-Stack Developer to support delivery from the outset. This is a hands-on role with a blend of technical leadership and active development, ideal for someone who enjoys setting standards while still being deep in the code. The Role You'll play a key role in getting the project off the ground, owning initial technical and infrastructure setup, contributing to development, and providing light-touch leadership across the team. This is a delivery-focused environment where you'll take on more complex tickets while helping to drive engineering best practice. Key Responsibilities Lead initial technical and infrastructure setup to enable development Contribute heavily to hands-on coding (c.80% of the role) Pick up and deliver complex development tickets Conduct code reviews and...

Technical Lead (.Net/React) | Outside IR35 | Remote .Net | React | SQL Sever We're working with a consultancy that has just secured a new project and is looking to bring in an experienced Technical Lead/Full-Stack Developer to support delivery from the outset. This is a hands-on role with a blend of technical leadership and active development, ideal for someone who enjoys setting standards while still being deep in the code. The Role You'll play a key role in getting the project off the ground, owning initial technical and infrastructure setup, contributing to development, and providing light-touch leadership across the team. This is a delivery-focused environment where you'll take on more complex tickets while helping to drive engineering best practice. Key Responsibilities Lead initial technical and infrastructure setup to enable development Contribute heavily to hands-on coding (c.80% of the role) Pick up and deliver complex development tickets Conduct code...

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...

Senior Mendix Developer – Wealth & Asset Management (Outside IR35) Rate: Up to £450/day Contract: 2-month initial (likely extension to 6 months due to a large product backlog) IR35: Outside Location: UK-based (remote/Hybrid depending on client) Overview A wealth management client is seeking a Senior Mendix Developer with strong full-stack capabilities and direct experience working with securities, funds, or broader investment/asset management systems . Broader FS/Wealth Management experience is also fine.  You’ll be rebuilding an existing funds management and reconciliation system , currently in MS Access , and migrating/re-engineering it into a robust Mendix application as part of a fixed-term transformation project. Key Responsibilities Lead technical delivery of a Mendix-based funds management & reconciliation platform Translate the existing MS Access solution into scalable Mendix modules Work closely with SMEs from wealth/asset...

We're Hiring: PHP Developer (Hybrid Newcastle) Contract / Day Rate / Outside IR35 Opportunity to work with some great people, that are shipping awesome B2B SaaS based products. Are you a skilled PHP Developer ready to take the next step in your career? Join a fast-moving product & tech team where your code actually makes a difference. We're looking for a motivated, proactive developer who’s passionate about building modern, scalable web applications. What You’ll Be Doing: Writing clean, efficient PHP (8.x) code across a modern full-stack environment Building and maintaining tools, features, and products from the ground up Collaborating with team members, product owners, and stakeholders Debugging, testing (unit, integration, e2e), and reviewing peer code Improving documentation, architecture, and dev processes Tech Stack: Frontend: Vue. HTML, CSS, JavaScript Backend: PHP 8.x (OOP, Composer), Redis, MySQL Tools: Docker, Git, Linux,...

Contract .Net Developer - Insurance claims system | £400 Per Day (Outside IR35) We're working with a leading specialist insurer driving a massive digital transformation on this exciting opportunity. This is a high-impact role where you will help overhaul a modern claims automation platform using the latest .NET ecosystems. You will be at the core of a major integration programme, architecting scalable microservices and robust APIs that handle critical insurance workflows at scale. The Role Design and build high-performance backend solutions using .NET Core and .NET 5+ for a flagship claims platform. Architect and deploy scalable microservices that integrate seamlessly across a complex multi-system landscape. Take full ownership of the development lifecycle, from designing secure APIs to implementing rigorous unit testing. Collaborative with cross-functional delivery teams to ensure backend solutions meet high-availability and performance standards. Contribute to...

Full job description Salary:  £475 - 525 per day Join a dynamic data delivery team where you'll create impactful reporting solutions that drive commercial success across sales and marketing operations. Power BI Developer - Contract Role Outside IR35 | Day Rate: £475-525 | Woking / Oxfordshire area | Hybrid | Initial 6 Months We have a new Power BI Developer contract opportunity with a large, well-established organisation, working within a fast-moving commercial environment across sales and marketing. You'll be part of a wider data delivery team supporting a Customer 360 programme, focused on building intuitive, high-quality reporting across sales pipelines and partner networks. This role suits someone who is strong on the frontend, confident gathering requirements from stakeholders, and comfortable working at pace. An early May start is ideal, if not sooner. Key Responsibilities Design and build engaging Power BI...

Application Developer - Stock Management Application Contract Length: 3 months Rate: £400 per day (Outside IR35) Location: Newark (1 day per week onsite) Overview We are seeking an experienced Application Developer to support the development of a stock management application. You’ll work closely with the product and technical team to enhance functionality, improve performance, and help deliver a robust, scalable solution within a short-term contract. This role suits a hands-on developer who is comfortable working across the full application stack and can contribute quickly in an agile environment. Key Responsibilities Design, develop, and maintain features for a stock management application Build responsive and performant user interfaces using React and Next.js Develop and integrate backend services using JavaScript Design, query, and optimise data models in PostgreSQL Collaborate with stakeholders to translate business requirements into technical...

Application Developer - Stock Management Application Contract Length: 3 months Rate: £400 per day (Outside IR35) Location: Newark (1 day per week onsite) Overview We are seeking an experienced Application Developer to support the development of a stock management application. You'll work closely with the product and technical team to enhance functionality, improve performance, and help deliver a robust, scalable solution within a short-term contract. This role suits a hands-on developer who is comfortable working across the full application stack and can contribute quickly in an agile environment. Key Responsibilities Design, develop, and maintain features for a stock management application Build responsive and performant user interfaces using React and Next.js Develop and integrate backend services using JavaScript Design, query, and optimise data models in PostgreSQL Collaborate with stakeholders to translate business requirements into technical...

Application Developer - Stock Management Application Contract Length: 3 months Rate: £400 per day (Outside IR35) Location: Newark (1 day per week onsite) Overview We are seeking an experienced Application Developer to support the development of a stock management application. You'll work closely with the product and technical team to enhance functionality, improve performance, and help deliver a robust, scalable solution within a short-term contract. This role suits a hands-on developer who is comfortable working across the full application stack and can contribute quickly in an agile environment. Key Responsibilities Design, develop, and maintain features for a stock management application Build responsive and performant user interfaces using React and Next.js Develop and integrate backend services using JavaScript Design, query, and optimise data models in PostgreSQL Collaborate with stakeholders to translate business requirements into technical solutions...

.NET Developer, CMS, Sitecore, Optimizely, Umbraco - Remote (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a leading digital agency powerhouse, delivering transformative online experiences for some of the most recognised brands across Europe. Renowned for blending creativity with cutting-edge technology, they have built an unrivalled reputation for crafting innovative, scalable .NET-driven digital platforms that engage millions of users daily. As part of their continued growth and a surge in exciting Greenfield digital transformation projects, they are looking to recruit a talented .NET Developer to join their award-winning development team. This is an opportunity to work in a fast-paced agency environment where no two projects are the same-ranging from enterprise CMS-driven websites to complex, high-traffic digital ecosystems. Working in...