15 full stack developer jobs found

Senior Full Stack Developer .NET / C# / React / Azure Contract | 6 Months Initial | Fully Remote (UK) £500–£525 per day | Outside IR35 Start Date: 1st April Active SC Clearance Required The Role We are seeking a Senior Full Stack Developer to support the delivery of secure, cloud-based digital services. This is a fully remote contract opportunity working within an Agile team on a high-profile programme. Key Responsibilities Develop and maintain full stack applications using .NET / C# and React Build secure, scalable RESTful APIs Design and deploy cloud-native solutions in Microsoft Azure Contribute to architecture and technical design decisions Support CI/CD pipelines and DevOps best practices Collaborate within cross-functional Agile teams Essential Skills Strong commercial experience with .NET and C# Proven React development experience Experience working with Microsoft Azure Solid...

Senior Full-Stack Developer (.NET & React) Hybrid - Slough Contract - £600/day Outside IR35 We're partnering with a highly confidential, high-growth SaaS scale-up based in Slough that is expanding its engineering capability as it continues to scale its core product offering. PLEASE NOTE THAT THIS ROLE REQUIRES 2-3 DAYS A WEEK IN THE OFFICE. You'll join a 20-strong engineering team made up of permanent and contract developers, working in a collaborative, product-led environment with genuine autonomy and ownership. The Role Deliver full-stack features across .NET/.NET Core backend services and React front-end applications Contribute to architectural decisions and technical direction Write clean, maintainable, testable code Drive engineering best practice, CI/CD, and performance optimisation Collaborate closely with Product and UX in a modern agile setup What We're Looking For Strong commercial experience with C#/.NET Core Solid...

Full Stack .NET Developer | £600 Outside IR35 | 2 days per week on site in Milton Keynes | Active SC clearance required The Role We are looking for experienced Full-Stack .NET Engineers with a background in data-centric projects to join our consultancy team, deployed directly into high-profile public sector departments. You will be a key member of a multidisciplinary delivery team, responsible for both front and Back End development of the digital services that power essential public functions. In this role, you will bring a data-centric engineering mindset to the development lifecycle. You will be responsible for building robust, data-driven applications that handle complex logic and large datasets with precision. Your expertise will ensure that data is captured, processed, and surfaced securely and efficiently, adhering to modern standards for data integrity and performance within the .NET ecosystem. The role involves embedding yourself within the client's engineering...

🚀 Contract Full-Stack JavaScript Developer📍 Location: Fully Remote📆 Duration: 3 Months💼 IR35 Status: Outside IR35💰 Rate: £500p/d - £550p/dOpus is partnering with a specialist data & analytics company to secure a Contract Full-Stack JavaScript Developer. You will be working in a small team (3-4 developers) across the full-stack. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you!🛠️ Tech Stack React.js Next.js Node.js TypeScript AWS 📩 Interested?Apply now or send your latest CV to (url removed) ASAP!If you haven’t heard back within 48 hours, please assume your application was not successful this time.

Contract Full-Stack JavaScript Developer Location: Fully Remote Duration: 3 Months IR35 Status: Outside IR35 Rate: £500p/d - £550p/d Opus is partnering with a specialist data & analytics company to secure a Contract Full-Stack JavaScript Developer. You will be working in a small team (3-4 developers) across the full-stack. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you! Tech Stack React.js Next.js Node.js TypeScript AWS Interested? Apply now or send your latest CV to (see below) ASAP! If you haven't heard back within 48 hours, please assume your application was not successful this time.

Senior Full Stack Developer .NET / C# / React / Azure Contract | 6 Months Initial | Fully Remote (UK) £500–£525 per day | Outside IR35 Start Date: 1st April Active SC Clearance Required The Role We are seeking a Senior Full Stack Developer to support the delivery of secure, cloud-based digital services. This is a fully remote contract opportunity working within an Agile team on a high-profile programme. Key Responsibilities Develop and maintain full stack applications using .NET / C# and React Build secure, scalable RESTful APIs Design and deploy cloud-native solutions in Microsoft Azure Contribute to architecture and technical design decisions Support CI/CD pipelines and DevOps best practices Collaborate within cross-functional Agile teams Essential Skills Strong commercial experience with .NET and C# Proven React development experience Experience working with Microsoft Azure Solid understanding of REST APIs and backend architecture...

Job Title: Full Stack Developer (TypeScript / React / Node.js) – SC Cleared Location: Hybrid (UK-based) 1/2 days per month Rate: £550–£600 per day (Outside IR35) Contract Length: 6 months initially Start Date: 2nd March 🚀 The Opportunity We are seeking an experienced Full Stack Developer with active SC Clearance to join a high-profile programme delivering secure, scalable digital solutions within a government-facing environment. This is a 6-month contract (initially), paying £550–£600 per day Outside IR35 , with an immediate start on 2nd March . 🛠️ Key Skills & Experience Essential: Strong commercial experience with TypeScript and JavaScript Advanced front-end development using React Back-end development with Node.js Experience building and consuming RESTful APIs Solid understanding of modern software engineering best practices Experience working in Agile/Scrum environments Active SC Clearance (mandatory)...

Full Stack Web Developer | Remote | £450 - £500/day We're working with a scaling digital transformation consultancy on this exciting opportunity. We are looking for a heavy-hitting Full Stack Developer to take the reins of a revenue-critical portal suite, driving a high-impact transition from legacy systems to a cutting-edge, cloud-native architecture across AWS and Azure. This is a hands-on, high-autonomy contract role where you will act as the primary technical owner for customer-facing web portals. You’ll be bridging the gap between product vision and technical execution, leveraging PHP, SQL, and modern JavaScript to build scalable, secure, and high-performance solutions in a fast-paced SME environment. The Role Lead the technical evolution and modernization of core web portals hosted on WP Engine, transitioning toward modern cloud-native standards. Architect and deliver full-stack enhancements across the UI, database layer, and infrastructure using PHP,...

🚀 Contract Python Developer 📍 Location: Fully Remote 📆 Duration: 6 Months 💼 IR35 Status: Outside IR35 💰 Rate: £450pd - £550pd Opus is partnering with a specialist consultancy to secure a Contract Python Developer. You will be working across the full-stack. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you! 🛠️ Tech Stack Python Django FastAPI AWS Lambdas 📩 Interested? Apply now or send your latest CV to (url removed) ASAP! If you haven’t heard back within 48 hours, please assume your application was not successful this time.

Contract Python Developer Location: Fully Remote Duration: 6 Months IR35 Status: Outside IR35 Rate: £450pd - £550pd Opus is partnering with a specialist consultancy to secure a Contract Python Developer. You will be working across the full-stack. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you! Tech Stack Python Django FastAPI AWS Lambdas Interested? Apply now or send your latest CV to (see below) ASAP! If you haven't heard back within 48 hours, please assume your application was not successful this time.

Full Stack Software Developer - Remote with travel to Newcastle a couple of times a month - 2/3 months+ - OUTSIDE IR35 My client is a global leading IT consultancy. They are on the hunt for a Fullstack Developer with strong expertise in React/TypeScript (Next.js), Java/Spring Boot, and Python. Required Experience: Developing GDS-compliant services, with particular emphasis on accessibility in line with WCAG 2.2 AA Building front-end applications using React (Next.js) and TypeScript . Developing back-end microservices using Java with Spring Boot , and Python (AWS Lambda) . Creating and consuming RESTful APIs and implementing business logic in microservices. Working with containerised applications deployed on Kubernetes , particularly in AWS Desirable Skills & Experience: Familiarity with functional programming principles and Test-Driven Development (TDD) . Experience working with both relational databases (e.g., Postgres) and NoSQL...

Full Stack Software Developer - Remote with travel to Newcastle a couple of times a month - 2/3 months+ - OUTSIDE IR35 My client is a global leading IT consultancy. They are on the hunt for a Fullstack Developer with strong expertise in React/TypeScript (Next.js), Java/Spring Boot, and Python. Required Experience: Developing GDS-compliant services, with particular emphasis on accessibility in line with WCAG 2.2 AA Building Front End applications using React (Next.js) and TypeScript . Developing Back End microservices using Java with Spring Boot , and Python (AWS Lambda) . Creating and consuming RESTful APIs and implementing business logic in microservices. Working with containerised applications deployed on Kubernetes , particularly in AWS Desirable Skills & Experience: Familiarity with functional programming principles and Test-Driven Development (TDD) . Experience working with both relational databases (eg, Postgres) and NoSQL...

Mid-Level Android Developer – Hybrid – up to £550 per day Outside IR35 | Kotlin | Jetpack Compose | FinTech A renowned, funded and profitable challenger bank is looking for a Mid-Level Android Developer to join their mobile engineering team. The business offers a flexible current account product with features such as expense categorisation, instant payment notifications, and clear, accessible financial insights. Fully integrated with a mobile app, users can manage account settings, freeze or unfreeze cards, and set savings goals directly from their phone. 📍 Location: London City 🏢 Hybrid: 2–3 days onsite per week 💰 Day Rate: Up to £500 per day Outside IR35 The Role As a Mid-Level Android Developer, you will contribute to the ongoing development and enhancement of the Android application, working within an established architecture and alongside senior engineers. You’ll help deliver new features, improve existing functionality, and maintain a clean,...

Contract Front End Drupal Developer Outside IR35 | Up to £500 per day | 6 Months | Fully Remote | Likely Extension We’re currently partnering with a large, international education group to secure a Contract Front End Drupal Developer to support a portfolio of high-traffic digital platforms used globally. You’ll be joining an established digital and IT function, working within a cross-functional squad led by a Product Owner. The team delivers continuous improvements across multiple Drupal platforms within a fortnightly sprint cycle. This is a hands-on role focused on modern front-end architecture, reusable component development, and scalable theming practices across a complex, multi-brand environment. You’ll collaborate with Marketing, Sales (B2C & B2B), Digital, IT and wider business stakeholders to deliver impactful digital products used by thousands of users globally. Tech Stack Drupal 10/11+ Paragraphs module Custom subtheme and module...

Our client is looking for a Data Scientist/Engineer to work on an initial 6 month Outside IR35 contract. This would be a fully onsite position in Milton Keynes with the potential of hybrid working in the future. Candidates would require an SC Clearance and be prepared to go through a DV Clearance. Key Qualifications * Must have proficient skills working on Large Language Models (LLMs). * Proficiency in evaluating, deploying and using on premise open source technology stacks. * Proficiency in Azure Cognitive Services, which includes Azure Language Service, Azure Text Analytics, Azure Speech Service, and other AI-related offerings. * A good understanding of OpenAI's GPT models and how it integrates with Azure services. This includes knowledge of GPT's capabilities, limitations, and available features. * Strong programming skills in Python for working with Azure services and data manipulation. * Good understanding of databases eg Postgres * Proficient knowledge of Back End...