2,054,645+ Full Stack Java Developer Fixedterm Contract Jobs in UK — Top Companies Hiring June 2026

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Senior Full Stack Engineer Payments Platform (Node/Angular)

A fintech scaleup is looking for a Full Stack Software Engineer skilled in Node.js and Angular to join their team in Manchester. In this mid-senior level role, you will develop robust backend services, design APIs, and manage databases to enhance payment processes. This position emphasizes collaboration with cro ...

Senior Full Stack Engineer, Vendor Risk Platform (Remote)

A leading security company in London is seeking a Senior Software Engineer with a full-stack focus. The role involves leading complex projects and mentoring a dynamic engineering team. Candidates should have 7+ years of experience and the ability to work cross-functionally in remote settings. The position offers ...

Full Stack Engineer (£80k–£150k + Equity) at Aglide

Job Title: Full Stack Engineer Salary: £80k–£150k + Equity Company Description: Aglide - YC-backed enterprise browser automation platform Location: London, UK Job Description: Join Aglide as a founding engineer building the next genera ...

Full Stack Node.js/TypeScript Engineer: Engine Room Platform

A global financial services provider in Greater London is looking for a Full Stack Developer to join their Enterprise Technology team. This position involves designing and maintaining NodeJS/Typescript solutions for a modern platform while collaborating with various teams to enhance shared capabilities. The idea ...

AI Labs: Senior Full Stack Engineer, Vice President

We are seeking a highly skilled senior full stack engineer with a proven track record of leading projects to join our dynamic team. The ideal candidate will have a strong technical background in both front-end and back-end development, with a focus on Typescript, React, NextJs, and Python. You will be resp ...

Senior Full Stack Engineer — AI First & Agile Innovator

BNY is seeking a Senior Specialist, Full-Stack Engineer to join the Trustee & Depositary Engineering organization in Manchester. This role will focus on delivering high-quality and scalable technology solutions, working hands-on with modern technologies throughout the software lifecycle. Candidates should have a ...

Senior Full Stack Engineer: Ownership & Impact in Energy

Propel is seeking a Senior Full Stack Engineer to join their dynamic startup team in the energy/proptech sector. This role involves building impactful products for heat pump installers and homeowners, emphasizing collaboration and mentorship. Ideal candidates will have 6-10 years of experience, a backe ...

DV Cleared Full Stack Engineer – Secure Gov Projects

Experis UK is looking for experienced Full Stack Developers to support critical Defence & Security projects in the UK. This hybrid role involves designing, developing, and deploying secure web applications. Candidates should have experience in Agile methodologies and secure coding practices. You will w ...

VP Full Stack Engineer (Kotlin/Python) – Hybrid & Growth

Citigroup Inc. is seeking a Full Stack Engineer (Kotlin and/or Python) at the VP level to design and develop innovative solutions within Equities Technology. In this role, you'll enhance trader workflow tooling and engage with business users globally. You will have the autonomy to influence technology decisions ...

Staff Full Stack Software Engineer, (Forward Deployed), GPS

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data f ...

Senior Frontend Engineer / Full Stack Product Engineer Energy

Senior Product Engineer, Full Stack - Energy Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value ...

Full Stack Engineer (Kotlin and/or Python) – VP

For additional information, please review .**Full Stack Engineer (Kotlin and/or Python) – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating ...

Full Stack Engineer – Rapid Delivery & Impact (Stock Options)

Blink group is seeking a skilled Full Stack Engineer based in London to join their dynamic team. You’ll be responsible for developing and maintaining full-stack applications using technologies like TypeScript, Node.js, and React, as well as supporting internal tooling for their customer support team. W ...

Senior Full Stack Engineer (Remote) Scalable APIs & UI

A leading recruitment agency is seeking a Senior Full Stack Engineer for a 12-month remote contract. The ideal candidate has at least 4 years of experience in Python and Flask, along with a strong grasp of SQL databases. Responsibilities include architecting backend services and building responsive front-end int ...

Remote Python Full Stack Engineer — Low Code Automation

MOST Specialist Technologies, localizada em Full Sutton, Reino Unido, busca um(a) desenvolvedor(a) para atuar em automação de workflows utilizando ferramentas low-code como N8N e integração com APIs. O candidato ideal deve ter formação em Ciências da Computação ou áreas relacionadas, experiência em Python e conh ...

Senior Full Stack Lead for Innovative Web Solutions

A leading technology company is seeking a Full Stack Developer to lead transformative solutions across front and back-end technology. You will craft scalable applications using .NET and Azure, bridging the technology-business gap to create innovative user experiences. Responsibilities include developing APIs and ...

Senior Full Stack Engineer: .NET, SQL & Cloud Innovator

Clio is seeking a Senior Full-Stack Software Engineer to join their Sharedo engineering team in Alderley Edge, Cheshire, UK. The team works on innovative management platforms for the legal, energy, telecoms, and property management sectors. You will develop features using C#, .NET, HTML, CSS, JavaScript, and ...

Senior Full Stack Engineer 3D Visualization & AI Infra

A leading AI infrastructure firm in London is seeking a Senior Full-Stack Engineer to lead the development of sophisticated visualization tools for multimodal datasets. This role involves designing performance-critical UI components using TypeScript and React, and requires deep expertise in graphics rendering. I ...

Senior Full Stack Engineer for AI Inference Platform

A technology company in the UK is seeking a Senior Software Engineer to improve platform systems and add features to their innovative AI products. The ideal candidate has over 5 years of experience writing clean backend code and has worked with payment systems. This role requires a collaborative mindset and the ...

Senior Full Stack PHP/Symfony Engineer (Remote UK)

Full Stack Developer (PHP / React / Typescript / Symfony) My client is hiring a Full Stack Developer to join their fully remote UK team, building and scaling a high-traffic platform. You must have full rights to work in the UK No sponsorship is offered T ...

Senior Full Stack Engineer | Greenfield Builds | Hybrid Leeds

An award-winning technology consultancy in Leeds is seeking a Senior Software Engineer to build modern platforms with a collaborative engineering culture. You will work on greenfield projects utilizing modern technologies such as React, Vue, and Azure. This role offers hybrid working, career progression into Lea ...

Remote Friendly Full Stack Engineer (C#/.NET & React)

A leading DevOps platform in Belfast is seeking a Mid-Level Software Engineer to enhance existing features and collaborate on new developments. The ideal candidate has experience in full-stack development and is familiar with technologies such as C#, Java, and React. This full-time role offers a flexible working ...

Full Stack Engineer (C#/.NET, React) — Remote & Growth

Gearset Limited in Cambridge is looking for a Software Engineer to join their team. This role involves enhancing existing features and engaging directly with users to shape impactful solutions. Ideal candidates have full-stack experience and a passion for learning within a collaborative engineering culture. < ...

Founding Full Stack Engineer: Build Impactful AI Tools

A dynamic InsurTech startup is seeking a Full Stack Engineer to develop a leading AI platform. You will focus on frontend development with TypeScript while contributing to backend services. The role emphasizes product ownership and fast-paced problem-solving in a collaborative environment. Ideal candidates will ...

Senior Full Stack Engineer — Go/TypeScript in Kubernetes

Sky UK is seeking a talented individual for an exciting role focused on full-stack product architecture and delivery. You will lead the technical direction of the team, utilizing your expertise in Go and TypeScript on a Kubernetes platform. Your mission includes driving engineering excellence and colla ...

BXTI Liquid Credit, Full Stack Software Engineer, Associate

Blackstone is the world’s largest alternative asset manager. We seek to create positive economic impact and long-term value for our investors, the companies we invest in, and the communities in which we work. We do this by using extraordinary people and flexible capital to help companies solve pro ...

Senior Full Stack/Native Cloud Engineer (Vice President)

CompanyJefferies, a global investment bank and securities firm, has served companies and their investors for over years. Headquartered in New York City, with offices in more than cities around the world, Jefferies provides clients with capital markets and financial advisory services, instituti ...

Senior Full Stack Engineer (GCP, Python, JavaScript) Remote

My London based client are looking for an experienced Full Stack Engineer for an initial 6 month contract to start ASAP. The position can also be fully remote. The ideal candidate will have the following experience: Google Cloud: Experience deploying and managing applications within the Google Cloud Plat ...

Senior Frontend Engineer / Full Stack Product Engineer Energy

About the RoleOur client is hiring a Frontend Engineer / Full Stack Product Engineer to help build the software that their customers interact with directly, as they continue to scale their product and technology function. We have already recruited 3 individuals to the company and are pleased to be supporting ...

Full Stack Angular Engineer for Web Banking Solutions

Avaloq AG is seeking a skilled Full Stack Angular Software Engineer to join their team in Edinburgh. In this role, you will design, build, and maintain scalable web applications, collaborating closely with Business Analysts, UX designers, and engineers to deliver user-focused solutions. You will have responsi ...

Senior Full Stack Engineer Hybrid London, Impact & Growth

A leading technology-driven food delivery company is seeking a Senior Software Engineer to work in a hybrid environment. You will contribute to multiple teams and lead technical execution while collaborating with other engineering teams. The ideal candidate should have experience with web-based applications and ...

Full Stack Software Engineer Remote First, Growth & Impact

A growing technology company in the UK is seeking a Mid-Level Full Stack Software Engineer to help build an advanced resource planning platform. The role involves building and maintaining features across front-end and back-end systems, collaborating closely with product teams, and focusing on high-quality softwa ...

Full Stack Engineer: C#/.NET & React (ERP Modernisation)

A recruitment company is seeking a versatile full stack developer for a global manufacturing project in Mansfield. The role involves front-end React development and backend C# .NET work, contributing to ERP redevelopment and system integration. Ideal candidates should have strong problem-solving skills and solid ...

Full Stack Engineer: TS/Next.js & Node, Early AI

A well-funded, fast-growing AI startup is hiring a Full-Stack Product Engineer to help build the next generation of operational software in a large, legacy industry being transformed by automation. This is an opportunity to join early, work directly with founders, and own high-impact produc ...

DV Cleared Full Stack Engineer – Secure Gov Projects

Experis UK is looking for experienced Full Stack Developers to support critical Defence & Security projects in the UK. This hybrid role involves designing, developing, and deploying secure web applications. Candidates should have experience in Agile methodologies and secure coding practices. You will w ...

Mid Senior Full Stack Engineer — AI Platform, Shares

Stint is looking for a Mid-Senior Full Stack Software Engineer based in Camden to join their Engineering department. You will collaborate with product managers and designers to build and maintain core systems using a tech stack that includes Python, Go, and Flutter. The position offers a competitive co ...

Senior Full Stack Engineer (Python/React) Hybrid, Equity

Skin + Me, based in London, is hiring a Senior Full Stack Engineer to manage features across their core commerce and clinical journey systems. This role requires strong expertise in Python and React, and offers a hybrid work environment with three days at the Paddington HQ. The successful candidate wil ...

Remote AI‑Native Full‑Stack Engineer | Equity Options

Titanbay in Greater London seeks a Full Stack Engineer with a backend orientation to enhance their platform for private market investing. As part of a forward-thinking engineering team utilizing AI tools, you will contribute to both backend and frontend development. The ideal candidate possesses strong ...

Senior Full Stack Software Engineer (Forward Deployed, GPS)

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data f ...

Founding Full Stack Lead Build Govtech Platform (Equity)

A cutting-edge technology firm in London is seeking a Foundational Engineering Leader to drive technical strategy and manage their engineering team. You will oversee development, build processes, and foster a strong team culture. The ideal candidate will have over 5 years of experience in engineering leadership ...

Full Stack Engineer for Mission Critical Security Apps

A leading technology and engineering firm in Manchester is seeking a Software Engineer to develop mission-critical solutions for National Security clients. You will work on innovative technologies, ensuring security while writing clean, efficient code. Successful candidates will have skills in Python or UI frame ...

Full Stack Software Engineer (Hybrid) – Defence Tech Impact

An innovative technology company in Portsmouth is seeking a Full Stack Software Engineer to help make the UK safer through software solutions. In this role, you will support the development of applications, participate in code reviews, and work with technologies like SQL, React, and NodeJS. Candidates should hav ...

Remote Full Stack Engineer: TS/Node & AWS APIs

Adria Solutions Ltd. is seeking a Backend-Focused Full Stack Developer to join our growing engineering team in Gainsborough. This mid-level role focuses on enhancing existing systems and contributing to a new platform, offering a chance to tackle complex challenges while improving reliability and performance. ...

Senior Full Stack Engineer: React & Python, Cloud Native

A leading tech scale-up in the United Kingdom is searching for a Senior Full Stack Engineer with expertise in React and Python. The successful candidate will develop flagship products, collaborate closely with cross-functional teams, and influence the technical direction. Benefits include a competitive salary ra ...

Full Stack Engineer: Remote First with Ownership & Impact

hackajob is seeking talented Full Stack Developers to join their team, collaborating with Atos on impactful projects. This role is ideal for individuals eager to take ownership and solve complex problems in a dynamic environment. You will design and deliver solutions across the application lifecycle wh ...

Hybrid VP Full Stack Engineer — Equities Tech Innovator

Citi is seeking a Vice President (VP) level developer to join the Strategic Equity Solutions team in Greater London. You'll design and develop high-performance software solutions that enhance trader workflow. With a focus on collaboration, you'll work closely with business stakeholders and contribute to innov ...

London Full Stack AI Engineer Product & ML Ops

A cutting-edge technology firm in London is looking for an Entry-Level Full-Stack Product Engineer. You'll develop and optimize AI solutions and contribute to product development in an innovative environment. Experience with TypeScript, React, and AI/ML is essential. This role offers competitive compensation and ...

Lead Full Stack Engineer React/JS (Mobile & Web)

A leading tech company in the UK is seeking a Lead Full Stack Engineer to build digital products using React Native and JavaScript. This role involves working on large-scale projects while mentoring junior developers. You will be responsible for integrating best practices in software quality and championing TDD ...

Senior Full Stack Engineer: React, TS & React Native

TechBiz Global GmbH is looking for a Senior Full-Stack Developer to join a dynamic team in London, United Kingdom. This role involves developing cross-platform interfaces using React, optimizing performance, and collaborating closely within an agile team. Successful candidates will have several years o ...

Senior Software Engineer (Associate) Full Stack React/AWS

Java Script Works is seeking a Senior Software Engineer (Associate) to work in London, United Kingdom. This full-time position offers competitive compensation and opportunities to work with modern technologies such as C#, .NET core, and React.js. Ideal candidates will possess strong technical abilities ...

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    Full Stack Java Developer Fixedterm Contract Jobs in United Kingdom Job Search Guide, Trends and Insights