Senior FullStack Developer (Contract) React.js | Node.js/C# (.NET Core) | PostgreSQL | Redis | CI/CD Onsite | London- this is a Soho based role 5 days per week 3-Month Contract (with potential to extend) £350-425 per day We're working with a high-growth, tech-led organisation that is seeking an experienced Senior FullStack Developer to join their team on a full-time, onsite contract basis. This is an exciting opportunity to support the ongoing development and maintenance of an internal software suite that powers complex digital systems. If you're a technically strong fullstack developer with a solid understanding … documentation, and you're open to a hands-on contract role within a dynamic, creative tech environment - we'd love to hear from you. You must have the full right to work in the UK and be avaiable to work on site in Central London near Soho 5 days per week. This is not negotiable. Key Responsibilities Lead More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
FullStack Engineer - Python/Django + React Fully Remote | Outside IR35 | £520/day | 3-month contract (likely extension) Candidate must be UK-based - No Sponsorship Available We are seeking an experienced FullStack Engineer to join a fast-growing health-tech scale-up on an initial 3-month contract. You … This role combines building intuitive, high-performing UIs with developing scalable backend systems, integrating services, and ensuring performance and reliability across distributed systems. What you'll do Deliver full-stack features from concept to deployment using Python/Django and React/TypeScript Build and enhance dashboards, admin panels, APIs, and backend processes Improve system observability … and debugging capabilities Work in a collaborative, agile team with 2-week sprints and daily stand-ups Engage in discovery work and adapt quickly to shifting priorities Tech stack Must have: Python, Django, React, TypeScript Nice to have: Ruby on Rails, Next.js, distributed systems experience, observability tooling What we're looking for Strong experience delivering both frontend and More ❯
Senior fullstack AI Engineer - Remote - AI - Typescript - react - Python - AWS - £525 a day Outside IR35. My client has an urgent need for a senior fullstack AI Engineer this is outside IR35, 100% remote working and contract will be initially 6 months but likely to extend paying £525 per day In … you will need to have - • Experience with data management and data architectures (SQL/NoSQL), database systems, modern data warehouse platforms (Snowflake, Databricks, BigQuery), ETL/ELT pipeline development, and data lake/warehouse implementations for integrating structured and unstructured laboratory and sequencing data sources. • Master Full-Stack technologies, such as Python, JavaScript/… send your CV for immediate consideration as our client are looking to hire ASAP - this is initially 6 months outside IR35 and remote working, £525 per day Senior fullstack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - £525 a day Outside IR35. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Inventive Search Ltd
FullStack Developer (Ruby on Rails) – Contract We’re seeking a remote fullstack developer to join our mission to make block management effortless, compliant and transparent. You’ll work across backend (Ruby on Rails) and frontend (HTML/CSS/JavaScript – Stimulus, Hotwire, or React) to ship features quickly and reliably. … re building a modern web application using Ruby on Rails as the backend framework, paired with a lightweight JavaScript frontend (e.g., StimulusJS, Hotwire, or React, depending on your stack). This app serves is on a mission to make block management effortless, compliant and transparent — for everyone. We’re building a smart, user-friendly platform that brings documents … reminders, communications and financials into one place to reduce risk, simplify complexity and remove the hidden costs of managing property.. We’re looking for a strong fullstack developer who can confidently contribute across the backend and frontend, write clean, maintainable code and help us ship features quickly and reliably. Responsibilities Design, build and maintain scalable More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Half
Robert Half Technology are assisting a market leading global technology consultancy to recruit a FullStack Developer - Fully remote The FullStack Developer will have experience across: React Python Javascript Nice to have: CI/CD Pipelines Github Actions Vue Java Azure Azure Devops Role The FullStackMore ❯
Windsor, Berkshire, United Kingdom Hybrid / WFH Options
Pontoon
Rate: Competitive via Umbrella Role Overview: As an Innovation Developer, you will transform visionary ideas into tangible prototypes and proof of concepts (POCs) using cutting-edge AI and full-stack technologies. Your role will be pivotal in bridging the gap between theoretical innovation and practical application, ensuring reliable, testable products that align with strategic initiatives in … with front-end and back-end systems. AI & Machine Learning Implementation: Design and deploy AI/ML models to extract insights from energy data and enhance customer experience. Full-StackDevelopment: Architect end-to-end solutions, ensuring seamless integration and optimal performance across the tech stack. Technical Innovation: Leverage technologies like large language models … AI technologies and modern development practices. Stakeholder Interaction: Collaborate with stakeholders to refine requirements and validate technical aspects of innovations. Skills & Experience: Extensive experience as a full-stack developer with proficiency in multiple languages and technologies, particularly in AI engineering. Hands-on experience with advanced technologies such as large language models (LLMs), computer vision More ❯
FullStack Developer - Financial Services £500-£600 per day (Via umbrella) Hybrid - London/Remote 6 months We are partnering with a leading insurance organisation seeking an experienced FullStack Developer to join their technology team on a contract basis. This role will play a key part in delivering modern, scalable solutions … with business analysts, solution architects, and QA engineers to ensure high-quality deliverables Write clean, maintainable, and testable code Participate in code reviews and contribute to best practice development standards Skills & Experience: Proven commercial experience with C# and React Strong understanding of Azure services (App Services, Functions, DevOps pipelines, Storage, etc.) Strong SQL and database design skills Experience More ❯
FullStack Developer | 6-month Contract (OIR35) | Hybrid | £500-550 p/day We're supporting a consultancy on a major cloud migration programme, modernising legacy systems into cloud-native applications. We're looking for a FullStack Developer to help design and deliver secure, scalable services that will support critical operations. More ❯
FullStack Software Developer Contract - 6 Months East Sussex Hybrid model (3 days p/w on site) £375 - 425 p/d (outside IR35) Our client an industry leading private sector business located in East Sussex is looking for a fullstack .Net developer. Key Roles Participate in migration of legacy … systems built in C#, VB.NET, Angular, using SQL Server technologies. Maintaining applications, ensuring reliability, maintainability, and evolution. Act as a liaison between the development team and internal business stakeholders. Implementation of modern architectures: micro services, containerised services, and serverless cloud-native components in AWS. Diagnose and resolve complex support issues. Collaborate with Business Analysts and Team Leaders to … Contribute to Agile processes using KANBAN, ensuring transparency and delivery alignment. Document architecture decisions, deployment processes, and codebase changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#) And ideally VB.NET Front-end technologies - Angular, JavaScript, HTML, CSS. SQL Server Experience in a client-facing or business-facing technical role. More ❯
Birmingham, West Midlands, West Midlands (County), United Kingdom Hybrid / WFH Options
Crimson
Full-Stack Software Developer - Microsoft Blazor - Birmingham/Remote FullStack Microsoft Blazor Developer required for our customer based in Birmingham. You will support our customer to build, deploy and scale a multi-tenant SaaS CRM application. A suitable candidate must have experience developing features in Microsoft Blazor and .NET backend APIs. … tenant SaaS systems Scripting and automation (PowerShell, Azure CLI) Exposure to infrastructure-as-code with Bicep, ARM, or Terraform Why Join Us? Join us to lead the greenfield development of a scalable next-gen CRM platform. Enjoy autonomy in architectural decisions, a supportive and friendly team focused on helping hospices and charities, and flexible remote-first working options. More ❯
.Net FullStack Developer** (Contract) Duration: 6 Months (Possibility for extension) Location: London/Hybrid (2 - 3 days on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Overview As a FullStack Developer specializing in C# and .NET, you will play a crucial role in developing … and implement database solutions using Oracle and Microsoft SQL Server. Collaborate with stakeholders to gather and clarify requirements. Ensure adherence to best practices and design principles throughout the development lifecycle. Perform code reviews and provide constructive feedback to peers. Participate in Agile delivery methodologies and CI/CD processes. Essential Skills and Qualifications: Proven experience with finance and More ❯
FULLSTACK ENGINEER (PYTHON/DJANGO) 3-6 months £470-£520 PER DAY REMOTE (UK-BASED) We're partnering with a fast-scaling Healthcare company on a high-impact contract for an experienced FullStack Python/Django + React Engineer. This project focuses on enhancing a cloud-based healthcare platform that … streamlines patient onboarding, diagnostics, and treatment journeys. If you thrive on solving complex technical challenges with elegant, scalable solutions and enjoy working across the stack, this is for you. THE CLIENT Our client is a digital health innovator providing data-driven tools that empower clinicians and improve patient outcomes. Their engineering team is collaborative, quality-focused, and driven … with multiple data sources, handles sensitive healthcare data securely, and delivers a seamless experience across devices. You'll contribute to both backend (Python/Django) and frontend (React) development, ensuring high performance, security, and scalability. Key responsibilities: Designing, building, and optimising APIs and backend logic using Python/Django Developing dynamic, responsive front-end features using React and More ❯
Birmingham, West Midlands, England, United Kingdom
Opus Recruitment Solutions Ltd
Contract Full-Stack JavaScript Developer Location: Onsite (5 Days/Week)?? Duration: 12 Months? IR35 Status: Inside IR35? Rate: £600–£700/dayOpus is partnering with a leading financial services firm on the hunt for a Contract Full-Stack JavaScript Developer to supercharge the UI of a high-impact platform. If you … re passionate about clean code, scalable architecture, and modern tooling—this one's for you! Tech Stack: React.js Node.js TypeScript REST APIs Jest/Enzyme/Cypress AWS Interested? Apply now or send your latest CV to ASAP! If you haven’t heard back within 48 hours, please assume your application was not successful this time. More ❯
FullStack Software Engineer Java & TypeScript £300 | Outside | Remote | 6 month initial contract SR2 are working with a specialist consultancy firm who require a FullStack Engineer with strong front-end TypeScript (Angular) skills as well as back-end experience in Java . You’ll join an existing project, owning requirements from More ❯
Fullstack Software Engineer - 5 Month Contract - Manchester Interviewing now for a FullStack Software Engineer for a 5 month project (Outside IR35.) This is a hybrid role and the successful applicant will need to be able to work 2 days from offices in central Manchester. You will be involved in the … development of scalable micro-services using Java, Spring and React ensuring adherence to architectural best practices. You will further be involved in implementing highly available and scalable OpenShift clusters on cloud to further improve the system. Type: 5 Month Contract Day Rate: Market Rates (Outside IR35) Location: Manchester/Hybrid Start: ASAP Skills Proficient in Java, Spring, and More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Adecco
Fullstack Software Engineer - 5 Month Contract - Manchester Interviewing now for a FullStack Software Engineer for a 5 month project (Outside IR35.) This is a hybrid role and the successful applicant will need to be able to work 2 days from offices in central Manchester. You will be involved in the … development of scalable micro-services using Java, Spring and React ensuring adherence to architectural best practices. You will further be involved in implementing highly available and scalable OpenShift clusters on cloud to further improve the system. Type: 5 Month ContractDay Rate: Market Rates (Outside IR35)Location: Manchester/HybridStart: ASAP Skills Proficient in Java, Spring, and React.Experiences with More ❯
Isleworth, London, United Kingdom Hybrid / WFH Options
Staffworx Limited
FullStack Software Engineer GraphQL | TypeScript | Cloud-Native Based West London, Hybrid working, 1-2 days week on site. Outside IR35. 6 months initial, likely extensions. Were looking for a FullStack Software Engineer who loves building high-quality, scalable systems and isn't afraid to get deep into both the code More ❯
Job Title: Go Lang Developer/FullStack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AB Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description : As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver … full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review … technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Golang,SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled More ❯
Job Title: Go Lang Developer/FullStack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AB Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description : As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver … full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review … technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Golang,SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled More ❯
South West London, London, England, United Kingdom
Harvey Nash
Job Title: Go Lang Developer/FullStack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AB Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description : As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver … full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript,Golang,SQL Test, debug, maintain and/or update full-stack web applications. Write and review … technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Golang,SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging databases Experience in multiple general purpose programming languages and building large, scaled More ❯
Job Title: Web Solutions Engineer/FullStack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver … full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging More ❯
Job Title: Web Solutions Engineer/FullStack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver … full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging More ❯
South West London, London, England, United Kingdom
Harvey Nash
Job Title: Web Solutions Engineer/FullStack Engineer Location: Address: 1-13 St Giles High St, London WC2H 8AG Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job description: As a Web Solutions Engineer (WSE) you are responsible for building, designing, and deploying scalable, modern, web applications. You deliver … full pieces of functionality on moderately complex projects with minimal assistance. You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product, UX, QA, and engineering teams, to deliver new features Mandatory Skills/Qualifications: 3+ years experience writing JavaScript or TypeScript, Java, Kotlin, Golang, and/or SQL 3+ years experience developing resource oriented APIs 3+ years experience designing and debugging More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Matchtech
FullStack Software Engineers required! Client: Defence sector Programme: Naval Electronic Warfare (EW) Location: Bristol - Hybrid (3 days per week onsite average) Duration: 3-month initial contract IR35 Status: Outside IR35 Role details: Our client is looking for highly skilled FullStack Software Engineers to join a complex, multi-year programme within … the defence sector. The role will support an Naval Electronic Warfare programme, contributing to the development and maintenance of high-performance systems. This is an opportunity to work on challenging, mission-critical technology within a hybrid working environment, requiring a blend of onsite collaboration and remote delivery. Responsibilities not limited to: Develop and maintain front-end applications using … disciplinary teams to deliver high-quality software solutions. Ensure best practices in performance, scalability, and maintainability. What we are looking for in you: Proven track record as a FullStack Software Engineer . Strong experience with: React (front end) C# (back end) Docker and Kubernetes (microservices environment) PostgreSQL (complex databases) Ability to operate effectively in a More ❯
FullStack Developer | 3 Roles Available | 3 Month Initial Contract | Up to £550 per day (Inside IR35) | London (2 days per week on-site) | Active SC Clearance Required MERITUS are working with a well-established financial services company in London who are looking for 3 experienced FullStack Developers to join them … in London & are hybrid with 2 days per week in the London office. Candidates are required to hold an active SC Clearance. Skills Required: Strong background as a FullStack Developer on commercial projects. Hands-on experience with Angular. Proven expertise with C#/.NET Core. Practical knowledge of Azure services and cloud-based architectures. Good More ❯