28,106+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Store Manager

Castore exists for one single reason – to make athletes better. Our ethos is built upon the philosophy of BETTER NEVER STOPS, an ideal deeply infused in our DNA and something we strive to live every single day. We utilise advanced engineering and unique technical fabrics to create the highest ...

Product Manager

InvestCloud is a private-equity backed platform business supporting over $6 trillion of assets globally, with deep, long-standing relationships across the asset and wealth management ecosystem.Private markets are rapidly becoming a core part of wealth portfolios – but the industry infrastructure has not kept ...

Dual Site Store Manager

Castore exists for one single reason – to make athletes better. Our ethos is built upon the philosophy of BETTER NEVER STOPS, an ideal deeply infused in our DNA and something we strive to live every single day. We utilise advanced engineering and unique technical fabrics to create the highest ...

Technical Lead (AI & MACH)

Technical Lead (AI & MACH) At AKQA (part of WPP), we believe in the imaginative application of art and science to create beautiful ideas, products and services. With an entrepreneurial and collaborative approach, we design and build adaptive digital products, services and experiences that ...

Technical Account Manager UK Security Clearance eligibility required

Technical Account Manager - UK Security Clearance eligibility requiredLocation: London, UK (Hybrid - typically 1+ days in-office/client-site per week)Contract: Permanent, Full-timePackage: £100,000-£120,000 + 30% Bonus + ...

Technical Account Manager UK Security Clearance eligibility required

Technical Account Manager - UK Security Clearance eligibility requiredLocation: London, UK (Hybrid - typically 1+ days in-office/client-site per week)Contract: Permanent, Full-timePackage: £100,000-£120,000 + 30% Bonus + ...

AI Strategist, Generative AI Innovation Center

DescriptionAmazon Web Services (AWS) is looking for experienced and motivated business-oriented technologists who possess a unique balance of business knowledge, effective interpersonal skills, and some technological depth in the following areas: analytics/big data, machine learning and generative artificial ...

Quality Test Engineer III

Quality Test Engineer III Are you passionate about ensuring high-quality software through robust testing and automation strategies? Do you enjoy identifying defects early and improving systems to deliver seamless, reliable user experiences? About the team: The Se ...

Cloud Architecture Consultant

Senior/Lead Cloud Consultant - (Azure/AWS and/or GCP) Hybrid Remote (Manchester, London, or Glasgow HQ) Global Consultancy Client A global digital consultancy is looking for Senior/Lead DevOps Consultants to help businesses around the world to shape their platforms ...

Environmental Manager

Direct message the job poster from NetZero Partnering with SME's within the Renewable Space☀️ Environment Manager – Renewable Energy Development Fixed‑Term Contract: 12–14 months | Start: February / March An opportunity has arisen to join a thriving UK r ...

Implementation Consultant

The immense cost and complexity of GxP validation has locked the Life Sciences industry out of the modern software and AI revolution. We are building the GxP-native foundation that lowers this barrier by orders of magnitude. But a platform alone does not change an industry. Transformation happens wh ...

Transport Modeller / Assistant Transport Modeller

Job Description What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects, and connect with the brightest minds in your field to do the best work of your life. About your role WSP's Transport & Mobility team is g ...

Market Risk Strats, Equities Risk, VP, London

Overview We are currently seeking experienced candidates for the position of Vice President in Market Risk Strats team within the Risk Division to lead Equities Market risk Strats. The Market Risk Strats team is a multidisciplinary group of quantitative experts focusing on market risk and capital ...

Data Scientist

The Client provides expert advisory and implementation services for open source big data solutions. As the first and only pure‑play big data services firm, their Data Scientists and Engineers are trusted advisors to the world's most innovative companies. Their experienced teams combine a distinctive method ...

Site Reliability Engineer , Cryptography, Access and Identity Services

Description Are you interested in working with the latest cloud computing technologies and becoming a core part of the largest cloud infrastructure on the planet? AWS is seeking a Systems Engineer to build and operate services for our customers, automate service operations and deployment methods, ...

Software Tech SME

Role Overview The Software Tech SME is responsible for providing technical leadership in the design, development, and delivery of high-quality software solutions. This role combines development governance and architectural guidance to applications from conception to deployment, then transferred i ...

Fullstack Engineer

Overview As a full-stack Engineer, you will be working as part of a high-performance team developing new solutions that put the customer at the heart of the product. We believe in shipping quality, tested, secure and consistent code. You will also work closely with other development teams and the ...

Senior Attack Monitoring Analyst, GSOC

Role Profile The London Stock Exchange Group seeks an experienced, dedicated and driven Senior Attack Monitoring Analyst to join the Global Security Operations team! Role Summary LSEG Security Operations is a central function employing people, process and technology to continuously ...

Senior Network Development Engineer

Join Us At Vodafone, we’re not just shaping the future of connectivity for our customers – we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclus ...

Hybrid AI Software Engineer Observability & Reliability

This will initially be a six month fixed term contract with the possibility of extension. The role requires two days in office attendance. As an AI Software Engineer, you’ll help build the next generation of intelligent observability systems — combining backend engineering, data analytics, and appl ...

Lead AI/ML Data Engineer

Overview Lead AI/ML Data Engineer role at Mastercard . You will be at the forefront of designing, developing, and deploying cutting-edge machine learning features that drive core business value for Mastercard. You will leverage your deep technical expertise to build sophisticated d ...

Cloud Engineer

Role As a cloud engineer you will be responsible for the build & support for shared hosting services such as Kubernetes, Ingress/Egress, Networking patterns, Certificates & data resources, also focusing on cloud engineering elements of the software engineering role, helping us to deploy software ...

Expert Backend Engineer

Come join the company that is reinventing cloud security and empowering businesses to thrive in the cloud. As the fastest-growing startup ever, Wiz is on a mission to help organizations secure cloud environments that will accelerate their businesses. Trusted by security teams all over the world, we have a ...

Senior Software Development Engineer, CloudFront Control Plane, CloudFront

Job Summary AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure, ensuring continuous access to the innovation that customers rely on. CloudFront is one of AWS' largest services, delivering fast and secure web/application content, on‑dema ...

Staff Data Platform Engineer

About the role Checkout.com is looking for an ambitious Staff Data Engineer to join our Data and AI Platform Team. Our team’s mission is to build a platform where you can create reliable, scalable, AI-powered streaming and batch data applications, and share data across Checkout.com to improve busi ...

Software & Embedded Software Engineer Opportunities eDV Required

Package: Competitive Salary + Benefits Role Type: Permanent, Fulltime on site Role Location: Malvern Are you ready to be part of the future? At QinetiQ we are not just imagining tomorrow but creating it. From cutting edge defence technology to ground breaking ...

JavaScript Engineer

This is a free 16 week training course followed by the potential for a role with one of our clients. Title: Mid-Level JavaScript Engineer Job location: Birmingham, UK Description: Step into a role as a Mid-Level JavaScript Engineer with the Counter Terrorist ...

Lead DevOps Engineer – Cloud Native, Linux, Python, AWS

Be an integral part of an agile team that continuously pushes the envelope to enhance, build, and deliver top‑notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Global Electronic Trading Group, you are integral to an agile team that builds trusted, market‑lea ...

Senior Technical Lead Real Time Platform

ROLE SUMMARY FTSE Russell (LSEG) is building the real‑time platform that powers global index calculation across equity, fixed income, and multi‑asset markets. We’re looking for a hands‑on Senior Technical Lead to modernise and scale this platform— a cloud‑native, low‑latency system that operates a ...

Senior Software Engineer

About Centric Software Centric Software® is a global leader, providing an innovative and AI-enabled product-concept-to-commercialization platform for retailers, brands and manufacturers of all sizes. We equip retail, fashion, luxury, footwear, outdoor, home and consumer goods brands with pioneeri ...

Quality Automation Specialist

Join us as a Quality Automation Specialist In this key role, you’ll be undertaking and enabling automated testing activities in all delivery models We’ll look to you to support teams to develop quality solutions and enable continuous integration and assurance of defect free deployme ...

AI Software Engineer

The Tanzu Division at Broadcom focuses on modern application development, management, and data intelligence, helping enterprises build and run cloud‑native apps faster and more securely. Our recent efforts are centered on GenAI integration through tools such as Tanzu Platform 10, Tanzu Data Intelligence, B ...

AI Software Engineer (Belfast Hybrid)

Software Engineer (AI) | Belfast (Hybrid) MCS Group is delighted to be once again partnering exclusively with one of Northern Ireland's most forward‑thinking technology businesses as they continue to grow their engineering function. This is a genuinely exciting opportunity to join ...

Transport Modeller / Assistant Transport Modeller

Job Description What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects, and connect with the brightest minds in your field to do the best work of your life. About your role WSP's Transport & Mobility team is g ...

Transport Modeller / Assistant Transport Modeller

Job Description What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects, and connect with the brightest minds in your field to do the best work of your life. About your role WSP's Transport & Mobility team is g ...

Data Scientist

Efekta is investing in product innovation to deliver the next generation of educational experiences. We are reinventing online language learning and are driving new and engaging ways for students and teachers to get the best out of our platform with a strong focus on AI and customer facing data products. We'r ...

Cloud Solutions Architect

Cloud Solution Architect (Preferred location : United Kingdom) This individual will be part of the Fortinet Cloud Security Consulting team and become the center of excellence for specific Cloud Security technology areas and associated Fortinet products/solutions. They will need to be comfortable ...

Hourly Paid Lecturer, Web AD Education London

AD Education UK is a growing network of leading creative education institutes in the UK. The group’s institutions are united around ...

GBM Public: FICC SMM Quantitative Researcher, ASO/VP, London

FICC Quantitative Researcher, Associate / VP, London We are a team of FICC Quantitative Researchers who work to transform the Fixed Income, Currencies, and Commodities (FICC) business through quantitative trading, automating the key decisions taken every day. Our team has a wide remit across pro ...

Computer Science Teacher – Prestigious Independent School – Exeter (January 2026)

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.Our client, a prestigious, high-achieving independent 11–18 s ...

Sr. Applied Scientist, Amazon Transportation

Amazon’s Middle Mile Science group is looking for a Senior Applied Scientist to build machine learning and optimization models to support pricing and revenue management of its external freight business. This includes the development of novel forecasting and dynamic pricing models, as well as the application of c ...

Business Intelligence Engineer, RSI

This position can be based out of either London or Luxembourg. The Retail Supply Chain Initiatives (RSI) team is looking for a Business Intelligence Engineer who thrives in a collaborative, creative, and fast-paced environment where ambiguity is the norm and analytical thinking drives impact. ...

Global Banking & Markets, Fund Finance Strats, Analyst/Associate, London

Capital Solutions GroupGoldman Sachs operates at the fulcrum of one of the most important structural trends in finance: the convergence of public and private markets. We combine the #1 global advisory franchise, a leading origination business, and an investing platform that deploys capital acros ...

Junior Automation Test Engineer

Job DescriptionWe are looking for a Software Test Automation Engineer to help us define, develop and implement automated functional and non-functional testing. This is a practical hands-on role within the ITS Applications Development - Production Readiness Team. You will work closely wi ...

Senior Software Engineer ( DV Cleared)

Job SummaryWe are seeking an experienced DV Cleared Senior Software Engineer to join a collaborative Agile development team, designing and delivering secure, scalable software solutions for mission-critical environments.This is an excellent opportunity to work on technically challenging pro ...

Knowledge Graph Engineer Investment Data Ontology

Project ContractorProject ContractorSummaryContract role to design and deliver a proof-of-concept knowledge graph modeling investment fund data for one of the world's largest asset managers. You will encode business rules, regulatory constraints, and identifier relationships as machine-readable ontologie ...

Network Engineer New Grad

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business ...

Lead Practitioner of Computer Science West London

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.Lead Practitioner of Computer Science | Hillingdon | September 2026< ...

Lead Software Engineer Public Cloud Engineering

As a Lead Software Engineer at JPMorganChase within Public Cloud Engineering – Infrastructure Platforms, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, ...

Lead Practitioner of Computer Science Hillingdon

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.Lead Practitioner of Computer Science | Hillingdon | September 2026< ...

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