28,178+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Full Stack Engineer / Applied AI

Full Stack Engineer Company: Arena Department: Engineering Location: London / Miami / Fully Remote Type: Permanent or Contractor About Arena Arena is a digital entertainment company building platforms people genuinely love — and we build them diff ...

Senior Full Stack Product Engineer

We're a VC backed, disruptive technology business with a purpose to make the world fairer and more productive. We are doing this by making assets more transparent, trustworthy, and accessible - starting with real estate. Incomes have stagnated and we believe by creating greater access to high value assets ...

Senior Engineer, Finance Engineering

Location London Employment Type Full time Department Engineering Our Mission Reduce inequity by helping immigrants move money home, and become the leading cross-border fintech for emerging markets. The Team Founded ...

Director of Engineering

We're looking for a Director of Engineering to lead the technical delivery of our go-to-market products: the software our Clients, Consumers and Partners use. This covers Priority Pass, LoungeKey, Lounge Pass and the wider airport experiences estate, along with the externally facing APIs, partner integrati ...

Senior Engineering Manager, Web Apps

About the RolesWe’re looking for an experienced Sr. Manager, Software Engineering to build and manage a team of talented software engineers who will work on Roku’s Advertising applications. One of the first priorities in this role will be to build and grow the team in Manchester. This rol ...

Software Engineer

CDP have regional offices and local partners spanning 50 countries. There are now companies, cities, states and regions from over 90 countries disclosing through CDP on an annual basis. Find out more  </e ...

Senior Designer Jewellery

Senior Designer - Jewellery & AccessoriesFreelanceBillericay, Essex This will be a 3 or 4 day per week freelance opportunityAbout usDCK Group a global leader in the design, supply of fashion jewellery and accessories. #prideHere at DCK our people ar ...

Head of Commercial Finance

We have an exciting opportunity within our boohooMAN brand for a Head of Finance; a high-impact leadership role at the heart of a fast-paced, trend-driven retail business.We’re looking for an energetic, commercially driven finance leader who thrives in a rapid-fire trading environment. This role is not ...

Full Stack Engineer

Blue Light Card. Individually great, together unstoppable The Role and the Team At Blue Light Card, we’re opening up multiple opportunities for Full Stack Engineers to join our growing Engineering team. We’re committed to building meaningful digit ...

Full Stack Engineer (Forward Deployed) Digital Client Experience Marsh

Description: Full-Stack Engineer (Forward Deployed) — Digital Client Experience - Innovation & Applied AI - MarshMarsh is hiring a full-stack engineer to join our Innovation & Applied AI team within the DCX initiative, focused on building a competitive digital platform. The ...

Frontend Product Engineer (Full Stack)

Grow with Treefera We are a first-mile intelligence platform, delivering granular visibility into the point of origin in global ag & soft commodity supply chains - where risk, cost, performance and exposure are set. You’ll join a global, cross-functional team that values rigour, c ...

Intern Project Manager

We are looking for an Intern Project Manager to help us organize and track our latest client engagements. Specifically, we have recently begun work for a prominent British infrastructure firm that needs to move away from fragmented spreadsheets and into a centralized, custom-built internal system. You will help ...

Intermediate Data Engineer

IDEXX is looking for a Intermediate Data Engineer to join the Veterinary Software team in London! This is an exciting opportunity for a a data engineer looking to expand their technical leadership skills and make an impact in a meaningful industry. This role will be hybrid 2 days onsite in our Wimbl ...

Senior Software Engineer (Front End)

The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.Through our ...

Software Engineer

CDP have regional offices and local partners spanning 50 countries. There are now companies, cities, states and regions from over 90 countries disclosing through CDP on an annual basis. Find out more  </e ...

Full Stack Engineer (Forward Deployed) Digital Client Experience Marsh

Description: Full-Stack Engineer (Forward Deployed) — Digital Client Experience - Innovation & Applied AI - MarshMarsh is hiring a full-stack engineer to join our Innovation & Applied AI team within the DCX initiative, focused on building a competitive digital platform. The ...

Head of Commercial Finance

We have an exciting opportunity within our boohooMAN brand for a Head of Finance; a high-impact leadership role at the heart of a fast-paced, trend-driven retail business.We’re looking for an energetic, commercially driven finance leader who thrives in a rapid-fire trading environment. This role is not ...

Senior Engineering Manager, Web Apps

About the RolesWe’re looking for an experienced Sr. Manager, Software Engineering to build and manage a team of talented software engineers who will work on Roku’s Advertising applications. One of the first priorities in this role will be to build and grow the team in Manchester. This rol ...

Senior Designer Jewellery

Senior Designer - Jewellery & AccessoriesFreelanceBillericay, Essex This will be a 3 or 4 day per week freelance opportunityAbout usDCK Group a global leader in the design, supply of fashion jewellery and accessories. #prideHere at DCK our people ar ...

Full Stack Engineer

Blue Light Card. Individually great, together unstoppable The Role and the Team At Blue Light Card, we’re opening up multiple opportunities for Full Stack Engineers to join our growing Engineering team. We’re committed to building meaningful digit ...

Professional Services Architect EMEA

About SnapLogic SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by globa ...

Professional Services Architect EMEA

About SnapLogic SnapLogic is the Agentic Integration Company, integrating AI, data, applications, and microservices into one powerful platform that transforms how enterprises connect, automate, and scale. Unlike legacy integration tools, SnapLogic is built for the AI era and trusted by globa ...

Senior Software Engineer Regional Payments Platform

Company Description hackajob is collaborating with Wise to connect them with exceptional professionals for this role. Wise is a global technology company building the best way to move and manage the world’s money. Our mission is to make payment integration effortless for partners by absorbing com ...

Applied Scientist, Offer Recommendations (Offers Tech)

Applied Scientist, Offer Recommendations (Offers Tech) London, United Kingdom | Posted on 11/05/2024 We're thrilled to present anincredible career opportunity! We're recruiting on behalf of a renownedmultinational company based in the United Kingdom, seeking an Applied Scientistto drive c ...

Platform / System Engineer

Platform Engineer We are seeking a motivated Platform Engineer to join a fast‑paced technology organization operating large‑scale, globally distributed systems. This role is ideal for someone who enjoys solving complex infrastructure challenges, working with modern cloud technologies, and collabo ...

Software Development Manager Defence

Software Development Manager – Defence (PR/ ) Newcastle upon Tyne, England Salary: GBP90000 - GBP per annum + bonus + benefits Software Development Manager / Engineering Lead (Defence Consultancy) Newcastle onsite to £140k Join a fast-growing technology consultancy expanding into ...

Technical Architect

Technical Architect | 5 Month Contract | (Inside IR35) | Hybrid, Edi | Starting ASAP Day Rate: £DOE About the Role Harvey Nash's Pub Sec client is aiming to adopt a Cloud First approach, moving its current technology stack into modern AWS services. To support this ...

Principal Python Software Engineer

Cboe Europe is seeking a Principal Python Software Engineer. As part of a small, talented development team, you will help build and expand the data pipeline and event streaming functionality of the largest equities exchange in Europe, as well as our trade reporting facility and other platforms. We are firm ...

Platform Engineer III Core Platform

Overview As a Level 3 Platform Engineer, you will work on cloud infrastructure, release pipelines, and deployment systems that enable faster delivery. You'll own specific platform components, maintain reliable systems, and contribute to the engineering practices of the team through code quality an ...

Facebook Production Engineering Internship in London UK 2026

Facebook Production Engineering Internship in London, UK Interns must be pursuing a BS or MS in Computer Science, Engineering, or a related technical discipline. Interns must have good communication skills. Production Engineers at Facebook are hybrid software/systems engineers who ensure ...

Senior Security Engineer (Application Security)

Responsibilities We have a bold mission to empower everyone to build wealth with easy, safe, and free access to financial systems. You will have the opportunity to grow your career by collaborating with a team of outstanding talents and state of the art technology to build a lasting, positive ...

Senior Systems Integration Specialist

Client Details The organisation is a respected not-for-profit entity with a focus on leveraging technology to support its mission. As a well-established and medium-sized organisation, it offers a rewarding environment for professionals looking to make a meaningful impact in Liverpool. De ...

Head of Software development

Our client is a financial services institution seeking a Head of Software Development to join their Technology function in a senior leadership capacity. This is a high-impact role with a clear pathway to Deputy CTO The Role This is a strategic leadership position responsible for driving t ...

Senior Software Engineer (Ads Auction Platform)

Requirements Experience building distributed backend services at scale Strong coding skills in Java and familiarity with service-oriented architectures Experience with low-latency systems and real-time decisioning workflows Familiarity with cloud platforms and ...

Vacancy for Technical Analyst at British Library

Vacancy for Technical Analyst at British Library Vacancy for Technical Analyst at British Library 6 March 2023 Boston Spa or St Pancras Full-Time Do you want to push forwards operational understanding of how to preserve the nation’s digital knowledge? Do ...

Senior Android Engineer Event Data Tooling

The front page of the internet, Reddit brings over 430 million people together each month through their common interests, inviting them to share, vote, comment, and create across thousands of communities. Come for the cats, stay for the empathy. The Event Data Tooling (EDT) team works on improving t ...

Full Stack Engineer Opportunities

Full-Stack Engineer Opportunities - All seniority levels Role Overview BNY is seeking a Software Engineer to lead high‑impact teams, owning end‑to‑end delivery, elevating engineering standards, nurturing talent, and collaborating closely with product and business stakeholders. The role ...

Software Engineer

Software Engineer Are you excited to build reliable, secure software that supports global experiences and events? Do you enjoy learning from others while taking ownership of meaningful technical components? About Our Team RX Global aims to create unforgettable experiences for atten ...

Junior Automation Test Engineer

We’re seeking a driven and detail-conscious Junior Automation Test Engineer to help support the testing and quality assurance of a contemporary software platform within a dynamic and collaborative engineering setting. As part of a small, highly engaged team, you’ll contribute directly to delivering ...

Cloud Infrastructure Engineering Intern

We are looking for a Cloud Infrastructure Engineering Intern interested in building the next-generation technologies for NVIDIA Cloud Services that customers will use across the globe to power their Generative AI workloads. As a Cloud Infrastructure Engineering Intern at NVIDIA, you’ll have the opportunity ...

Vacancy for Technical Analyst at British Library

Vacancy for Technical Analyst at British Library Vacancy for Technical Analyst at British Library 6 March 2023 Boston Spa or St Pancras Full-Time Do you want to push forwards operational understanding of how to preserve the nation’s digital knowledge? Do ...

Cyber Software Vulnerability Engineer

Cyber Software Vulnerability Engineer Package - £45,000 - £65,000 (depending in experience level) Benefits – DV Bonus plus excellent benefits Clearance - Clearable to eDV level, MOD SC or DV required to start. Location - Manchester As part of our client's expanding ...

Quality Assurance Automation Engineer

Automation Test Engineer Automation Test Engineer with strong commercial Selenium and Playwright experience is sought by an innovation house with hubs across the UK. With large scale investment in technical innovation this Automation Test Engineer will be joining a dynamic, autonomous QA team del ...

Head of Engineering

Head of Engineering | Defence Start-Up | London Head of Engineering required for a rapidly‑growing London‑based defence start‑up building next‑generation autonomous and AI‑driven systems to support critical national security missions. Founded by experienced operators and technologists, and backed ...

Automated Trading Strategies, Associate

Are you passionate about quantitative trading? Join a global team where your research and development skills will directly impact our eFX market‑making business. At JPMorganChase, you'll collaborate with talented professionals, tackle complex challenges, and help shape the future of automated trading. This ...

Computing Teacher – Innovative and Structured School – Birmingham

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.Computing Teacher – Innovative and structured comprehensive s ...

Computer Science Teacher – Independent School – Bath – Immediate Start (Permanent, Full Time)

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.A prestigious independent day school in Bath is seeking an innovative ...

Computer Science Teacher | Brent | ASAP

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.We are working with a prestigious independent school in Brent ...

Embedded Software Engineer, Ring

We're looking for an experienced Embedded Software Engineer to join the Ring Cambridge team. As a Software Engineer, you'll be a core member of a team building Ring's next generation of camera-centric devices. While experience with embedded systems is valuable, we want engineers who are passionate about building ...

University Graduates Full Time Junior Quantitative Trader (London 2026)

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who t ...

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    Java React Developer Jobs in United Kingdom Job Search Guide, Trends and Insights