42,443+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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MuleSoft Senior Developer Enterprise

MuleSoft Senior Developer- EnterpriseOverviewYou are a self-driven individual with a “get it done” attitude and a passion to solve complex business and technology problems. You enable integrated business processes across applications that share common data elements using scalable and prov ...

Software Developer (.NET) Worcestershire

Location: Evesham Job Type: Permanent Industry: Engineering Job reference: BBBH442495_1782744792 Posted: about 7 hours ago Software Developer (.NET) Location: Evesham, Worcestershire (WR11) Salary: £35,000 - £45,000 (DOE) Working Pattern: 37.5 hours per week | ...

WPF Developer (XAML) Permanent

What do you need?XAML CodingWPFC#Entity Framework CoreLINQSSIS/SSRSMicrosoft SQL database skills (table design, views, stored procedures, TSQL)Working with JSONWorking with Visual ...

Front Office Tech Developer

Experience Required• Minimum of to years of Java development, design and testing experience with prior financial industry experience. Knowledge of Spring Framework beneficial.Qualifications• This role is ideally suited for a very delivery focused technologist and someone looking to gain ...

Power Market Analytics Developer

What will you be doing?Your work will combine software development, market analysis and product thinking.Developing EnactYou will play an active role in shaping the future direction of Enact, our short-term power markets analytics and visualisation platform. T ...

.NET Developer (AI Projects)

We’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant investments in our data and tech capabilities, particularly within our CIO function. Our CIO team is at the forefront of driving innovation and ensuri ...

Microsoft 365 Lead Developer

At Serco, we unite the right people, technology, and partners to solve some of the world's most pressing and complex challenges. From defence and space to healthcare, justice, transport and beyond, our UK operations deliver critical services across government sectors—driven by expertise in service design, pro ...

Senior Research Python Developer

I am currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform.What you'll need to succeed : Strong Python software engineering experience beyond exp ...

Professional Lead Product Developer

We are seeking an experienced Lead Product Developer to drive the end-to-end development of innovative professional beauty products, treatments, and devices for salon, spa, and clinical environments within the Medik8 brand.This role blends formulation science, device-en ...

Software Developer (Backend SaaS)

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the wor ...

Senior Software Developer C#

Job DescriptionSenior Software Developer – Life Sciences C# / ASP.Net MVC Our client is essentially looking for an experienced full stack developer who has a bias towards the front end / web technologies rather than the database tier. Working within a team of developers and ...

Associate Commercial BI Developer

At 1st Central, everything starts with our people.As one of the UK’s leading motor and home insurers, we use smart technology, data and great service to make insurance fast, fair and simple for over 1.4 million customers.We’re proud to create an environment where people feel supported, tr ...

Mid Level C# Developer

Anthony Nolan is the charity that makes lifesaving connections between patients in need and incredible strangers ready to donate their stem cells. Find out more about what we do  We are Anthony Nolan. We uni ...

Senior Backend Developer (Node.js)

Senior Backend Developer Derry / Hybrid The Opportunity We're partnering with an ambitious product technology company entering a significant growth phase. With plans to scale internationally, they're looking for a Senior Backend Developer to help build and evolve th ...

Software Developer Backend (SFIA5)

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team.Our work cult ...

Lead Full Stack Developer

Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our work should always leave a ...

Associate Director Commercial Developer

Job DescriptionWe are looking for Associate Directors to join our dynamic, innovative and client-focused team. You will work on some of the most exciting projects in the world, involving large hotel conversions, superb residential projects, and high profile mixed use projects. You will work with lea ...

Backend Developer (.NET C#)

TransPerfect Is More Than Just a Job…Our greatest asset is our people, and nothing is more important to us than ensuring that everyone knows that. Each of our 100+ offices has its own individual identity, and each also has its own unique rewards.We’re looking for aSoftware Engineerto ...

Python Developer Cyber Security

Python Developer / Backend Software Engineer Cambridge to £65kAre you a technologist Python Developer who enjoys problem solving and working on complex systems?You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to pr ...

Junior Business Intelligence Developer

Network Rail Consulting (NRC) is the international consultancy arm of Network Rail – the owner and operator of Britain’s mainline rail system. We have been active in the North American, Australian and the Middle East markets since 2013 and have successfully delivered more than 150 consultancy contracts for go ...

Junior Full Stack Developer

Junior Full Stack DeveloperBath (80% on-site) | Full-time | PermanentAbout the RoleThis is a great opportunity to start your career in data by helping us build the tools Play Sports Network uses every day. You’ll w ...

Senior Front End Developer

This scientific and engineering software provider is seeking senior front-end developers to help guide their transition from a desktop-based ecosystem towards a modern web-native experience. This will include strategic and architectural problem solving as well as hands-on coding. You will be working alongside ...

Senior Software Developer, FollowScores

Job DescriptionAs a Senior Software Developer, you will implement and maintain systems to support the features being delivered in our FollowScores app, while ensuring high quality standards for our software products.FollowScores is a football scores app and our goal is to continue gr ...

Senior SAS Developer (SDTM)

Company DescriptionPSI is a leading Contract Research Organization with more than 25 years in the industry, offering a perfect balance between stability and innovation to both clients and employees. We focus on delivering quality and on-time services across a variety of therapeutic indications.<br ...

Cost Manager Commercial Developer

Company DescriptionOur ambition, as Turner & Turner alinea, is to become the undisputed number one Cost Consultant in London. A data-led digital cost consultancy and an authority on the economics of sustainability, combining alinea’s distinctive approach, Turner & Tow ...

Murex MRB Senior Developer

ArrayQualificationsMinimum of 5 year of experience working as a Developer.Strong expertise in MRB within the Murex platform is requiredBasic understanding of VaR (Value at Risk) calculations in MurexFull installation of the MRB moduleFamiliarity with MRB ...

Salesforce Marketing Cloud Developer

JOB DESCRIPTION The team you'll be working with: As part of our continuous growth, we are seeking a Marketing Cloud Developer to join our Salesforce Practice in London. You will be a hands-on practitioner with deep expertise in Salesforce Marketing Cloud, responsible for designing, buildi ...

Project Manager Commercial Developer

Job DescriptionWe are looking for Project managers to join our dynamic, innovative and client-focused team. You will work on some of the most exciting projects in the world, involving large hotel conversions, superb residential projects, and high profile mixed use projects. You will work with leadin ...

Salesforce Data 360 Developer

JOB DESCRIPTION The team you'll be working with: As part of our continuous growth, we are seeking a Salesforce Data Cloud Developer to join our Salesforce Practice. This mid-level, client-facing role sits within our growing Data Cloud capability, working across enterprise engagemen ...

Solution Developer, FP&A

At Board, we power financial and operational planning solutions for the world’s best brands.Thousands of enterprises use our technology to optimize resources, drive growth, and ensure profitability.With advanced analytics and forecasting, plus AI-driven insights, cus ...

Sr. Data Developer Datasphere

Participate in projects ( Global SAP roll outs, process improvements, etc.)our client is a large organization operating in the life science industry,About Our ClientThis is a well-established organization in the Life Science industry, specializing in Medical Equipment an ...

Entry Level Product Developer

Are you creative? Do you get excited by bringing new ideas to life?This is a fantastic opportunity to gain hands-on experience across the full product development process in a creative, global business based in Abingdon. About the jobAs a Product Developer, you'll h ...

Software Engineer Android Developer

Job Description Software Engineer | Android | Defence / MODContract or Permanent | £500pd or £70k Cheltenham - 5 days a week + 1 day/week Herefordshire (for client visits)Security Clearance : It is an essential requirement for candi ...

C++/FPGA Developer – London

Salary: £200k + bonusSummaryThe positive feel of a start-up with the benefits that come with a more established player, this leading quant firm is looking for exceptional C++/FPGA engineers. This role will be working on a very successful HFT desk within an elite global team ...

Entry Level Product Developer

Are you creative? Do you get excited by bringing new ideas to life?This is a fantastic opportunity to gain hands-on experience across the full product development process in a creative, global business based in Abingdon. About the jobAs a Product Developer, you'll h ...

Senior Product & Fabric Developer

Job Details Position: Senior Product & Fabric DeveloperLocation: Clerkenwell, Central LondonAbout SALONIS ...

Senior Software Developer, Verification

Job DescriptionAs a Senior Software Developer, you will be experienced and passionate to join our dedicated Verification team as we embark on a ground up re-architecture.Within the Verification team, you will be developing, enhancing, and supporting our business-critical Verification platform ...

Property Manager – Leading Developer

North Greenwich, London£33,000 – £35,000 + Excellent BenefitsMonday – Friday, Office-BasedAre you a customer-focused Property Manager looking to elevate your career within a prestigious and large-scale regeneration development?This is a rare opportunity to join one of ...

Tech Lead Fullstack Developer

Full Stack Tech LeadReporting To: Group Engineering ManagerLocation: Remote, with travel to Bournemouth or Bristol twice a monthJob Type: Full Time - 37.5 hours per weekOur Purpose: A Better Life for EveryoneNourish is not simply a technology company; we ...

UX Designer Developer experience

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the worl ...

Senior Software Developer, Verification

Job DescriptionAs a Senior Software Developer, you will be experienced and passionate to join our dedicated Verification team as we embark on a ground up re-architecture.Within the Verification team, you will be developing, enhancing, and supporting our business-critical Verification platform ...

Senior Quant Developer (C++)

SummarySenior Quant Developer / Low-Latency C++ Engineer at a leading quant & systematic fund. Looking for an exceptional low-level C++ programmer with deep metaprogramming experience and a minimum of 7+ years’ professional C++ experience (since university/graduation).In this role, yo ...

Director of Developer Relations

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness ...

Murex MRB Senior Developer

Company DescriptionTalan – Positive InnovationTalan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, ...

New Business Developer About

New Business Developer About Candy Carriers Ltd: Based in Sittingbourne, Candy Carriers Ltd provides an extensive portfolio of transport solutions to a multitude of clients in a variety of business sectors whether they be small business or internationally recognized ...

CCH Tagetik + ETL Developer

Job title: CCH Tagetik + ETL DeveloperLocation: London, UKAbout the Job you are considering:We are seeking experienced CCH Tagetik + ETL Developer with strong expertise in Insurance domain who will overseeing the planning, execution, and successful de ...

Python Developer Problem Solver

Python Developer / Backend Software Engineer Cambridge to £65kAre you a technologist Python Developer who enjoys problem solving and working on complex systems?You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to pr ...

Senior SAS Developer (SDTM).

Job DescriptionWe are currently looking for a knowledgeable and proactive SAS Developer to join our global Data Management team.Please note the official PSI CRO job title will be: Senior Database Developer.If you are keen to provide the full range of clinical ...

Senior Python Quant Developer

My client is a London-based financial-servicespany who are actively seeking a Senior Python Quant Developer to join on an initial 12-month contract basis.What you'll need to succeed : Extensive hands-on Python Development experience building REST APIs with FastAPI or similar. ...

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