301 to 325 of 484 Front End Development Jobs in the UK

Front-end Developer

Location
Wrexham, Wales, United Kingdom
We do not use page builders, and we measure what we ship. Core Web Vitals, accessibility, dark mode and the weight of every image are part of the job, not an afterthought. Our own site ...

Front-end Developer

Location
Greater London, England, United Kingdom
We do not use page builders, and we measure what we ship. Core Web Vitals, accessibility, dark mode and the weight of every image are part of the job, not an afterthought. Our own site ...

Senior React Engineer - Financial Markets Platform

Location
Greater London, England, United Kingdom
Ocean Red in London is seeking an experienced front-end developer to build scalable web and desktop tools for traders and market operators. You'll design and implement apps using JavaScript, TypeScript and React, integrate with Python APIs, and work with CI/CD and testing to ensure ...

Lead Frontend Engineer — AI-Driven, Mentorship & Strategy

Location
Birmingham, England, United Kingdom
Inspired Thinking Group (ITG) Limited is seeking a Lead Front End Developer to design and build web-based products for high-profile brands. You will work with React/Typescript, REST APIs, and modern toolchains in an Agile, cross-functional team with QA, UX, and PMs. Strong mentoring ...

Frontend-Focused Full Stack Engineer (React/.NET)

Location
Belfast City District, Northern Ireland, United Kingdom
Group is partnering with a technology organisation to recruit a Frontend-Focused Full Stack Engineer in Belfast. The role emphasises frontend development with React, JavaScript, HTML5 and CSS, while applying C#/.NET skills to backend APIs as needed. You will maintain and enhance customer-facing ...

Frontend Developer Alstonefield,nextpak

Location
Alstonefield, England, United Kingdom
intuitive interface. You'll be responsible for writing clean, maintainable code, conducting code reviews, and contributing to the continuous improvement of our development processes. A passion for staying updated with the latest frontend technologies and trends is essential, as you will leverage new tools and frameworks ...

UI/UX Designer

Hiring Organisation
Mercator IT Solutions Ltd
Location
South East London, London, United Kingdom
Employment Type
Permanent
mapping. Experience working within an agile, multi-disciplinary team environment, and the ability to deliver iterative design components (including user journeys) to the development team . *Applicants must have the right to work in the UK and the ability to pass BPSS vetting ...

Camunda Developer - Knutsford, UK

Location
Knutsford, England, United Kingdom
metrics (including TADS) and maintain quality standards. Your Skills: 10+ years of experience designing and implementing Camunda-based solutions, along with strong backend development skills in Java, Spring Boot, JPA, Hibernate, JUnit, Rest Assured, and Mockito. Hands-on experience with React.js, Redux, Axios, JavaScript, HTML … nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business ...

Software Developer, Gaming

Location
United Kingdom
Within the Gaming Platform team we are organised into sub-teams that have responsibility for front end technologies, transaction systems, tooling, and core systems. Full-time Closes 25/11/2026 We use a modern architecture of Golang microservices andReact, deployed across 7 global data centres … technical problems. What you will be doing Owning development from requirement to go-live. Building and maintaining Golang microservices or React front-ends. Collaborating across sub-teams including Web, API, and Transactions. Contributing to our culture of technical expertise and innovation. Hiring Statement At bet365 ...

Software Developer, Gaming

Location
Manchester, England, United Kingdom
Within the Gaming Platform team we are organised into sub-teams that have responsibility for front end technologies, transaction systems, tooling, and core systems. Full-time Closes 28/10/2026 We use a modern architecture of Golang microservices andReact, deployed across 7 global data centres … technical problems. What you will be doing Owning development from requirement to go-live. Building and maintaining Golang microservices or React front-ends. Collaborating across sub-teams including Web, API, and Transactions. Contributing to our culture of technical expertise and innovation. Hiring Statement At bet365 ...

Software Developer, Gaming

Location
Stoke-on-Trent, England, United Kingdom
Within the Gaming Platform team we are organised into sub-teams that have responsibility for front end technologies, transaction systems, tooling, and core systems. Full-time Closes 28/10/2026 We use a modern architecture of Golang microservices andReact, deployed across 7 global data centres … technical problems. What you will be doing Owning development from requirement to go-live. Building and maintaining Golang microservices or React front-ends. Collaborating across sub-teams including Web, API, and Transactions. Contributing to our culture of technical expertise and innovation. Hiring Statement At bet365 ...

Software Developer, Gaming

Location
Stoke-on-Trent, England, United Kingdom
providers and is built upon a proven tiered architecture. Within the Gaming Platform team we are organised into sub-teams that have responsibility for front end technologies, transaction systems, tooling, and core systems. We use a modern architecture of Golang microservices andReact, deployed across 7 global data centres … C#. Solid understanding of web and API development. Knowledge or experience with cloud platforms, specifically GCP. Interest in applying AI to the development lifecycle. Experience working in high-volume, fast-paced environments. A proactive approach to solving complex technical problems. Additional Information Owning development ...

Senior Java Full Stack Engineer

Hiring Organisation
83zero Limited
Location
City, Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Base locations: London, Bristol, Manchester or Glasgow Overview We're looking for a Senior Java Full Stack Engineer with strong backend and frontend development experience, alo click apply for full job details ...

Senior Java Full Stack Engineer

Hiring Organisation
83zero Limited
Location
South East, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Base locations: London, Bristol, Manchester or Glasgow Overview We're looking for a Senior Java Full Stack Engineer with strong backend and frontend development experience, alo click apply for full job details ...

Impactful React Frontend Developer (Contract)

Location
City Of London, England, United Kingdom
Areti Group in London is seeking a skilled Front End React Developer to join on a contract basis. You will build and enhance user-facing features for a high-impact digital product, focusing on clean, scalable code and modern UI/UX practices. Candidates should have hands ...

Frontend Developer (React/Next.js) – Hybrid Exeter

Location
Exeter, England, United Kingdom
modern frontend experiences using React, Next.js and TypeScript, delivering accessible, responsive interfaces and integrating with internal APIs. You will work across the full development lifecycle in an Agile team, collaborate with design and product, participate in code reviews, and contribute to #J-18808-Ljbffr ...

Cloud-Native Full Stack Dev (Java/Python/Go) – AWS/GCP

Location
Belfast, Northern Ireland, United Kingdom
responsibilities include designing and maintaining scalable applications, implementing CI/CD pipelines, and managing cloud infrastructure. Candidates should demonstrate strong backend and frontend development skills, along with experience in containerization and cloud technologies. #J-18808-Ljbffr ...

Senior AI Platform Engineer & Tech Lead

Location
Greater London, England, United Kingdom
London Stock Exchange Group is seeking a Lead Engineer to drive backend and frontend development, set architectural direction, and mentor teams. You will embed AI capabilities into production systems while ensuring secure, scalable delivery across domains. The role requires strong full-stack expertise, proven leadership, and hands ...

Frontend Developer

Location
Greater London, England, United Kingdom
looking for someone who can help our team develop it further. We're looking for someone who has previous experience in software development, particularly someone who would be comfortable working in Python. We'd also ideally like to see someone who has some experience working with ...

Frontend Engineer | 3D Graphics & Data Visualisation

Location
Greater London, England, United Kingdom
direction of an engineering-first organisation. What they’re looking for You’ll likely have experience with several of the following: Commercial frontend development using React, TypeScript or JavaScript. 3D graphics, rendering or visualisation technologies. Digital twins, simulation platforms or interactive visual environments. Geospatial technologies ...

Senior Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
volume transactions and essential business operations, giving engineers the opportunity to work on technically challenging, large-scale applications. This is a hands-on development position with a strong emphasis on Java, Spring Boot, REST APIs and microservices, alongside commercial frontend development using Angular, React … complex technical problems, conducting code reviews and supporting testing and releases. Collaborating with an established international engineering team. Essential Skills & Experience Strong commercial development experience with Java and Spring Boot. Hands-on experience designing and developing RESTful APIs and microservices. Genuine commercial frontend development ...

Senior Fullstack Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
volume transactions and essential business operations, giving engineers the opportunity to work on technically challenging, large-scale applications. This is a hands-on development position with a strong emphasis on Java, Spring Boot, REST APIs and microservices, alongside commercial frontend development using Angular, React … complex technical problems, conducting code reviews and supporting testing and releases. Collaborating with an established international engineering team. Essential Skills & Experience Strong commercial development experience with Java and Spring Boot. Hands-on experience designing and developing RESTful APIs and microservices. Genuine commercial frontend development ...

Lead Salesforce Developer

Location
Greater London, England, United Kingdom
integration between Salesforce and our core operational systems — an event-driven architecture built on Kafka, with APIs. Role responsibilities Lead the design, development and delivery of solutions on the Salesforce platform, with deep hands-on Apex development. Own the integration architecture between Salesforce and operational systems, using … their trade-offs: REST/SOAP callouts, External Services, streaming API, middleware vs point-to-point. Experience with Lightning Web Components and modern Salesforce front-end development. Experience designing for idempotency, ordering and failure handling in asynchronous integrations. Track record of mentoring developers and leading technical decision-making ...

Senior Frontend Engineer

Location
West of England, England, United Kingdom
initiatives from concept and technical design through implementation, deployment, and continuous improvement. Stay current with emerging technologies and engineering approaches related to frontend development and conversational interfaces. What You Will Bring to the Role Bachelor's degree in Computer Science, Software Engineering, or a related technical field … with the ability to influence technical decisions and work effectively across Product, UX, frontend, backend, ML, and platform teams. Working understanding of Agile development methodologies and frameworks. Diversity, Inclusion, and Equal Opportunity We hire, promote, and compensate employees based on their ability to perform their job responsibilities ...

Senior Backend Engineer (Ruby)

Location
Greater London, England, United Kingdom
proprietary tech stack to empower both our installers and the homeowners of brands such as E.ON Next and BOXT. Our platform manages the end-to-end installation process for a complete range of modern home energy solutions - from high-efficiency boilers and air conditioning to heat pumps, solar … management (Sidekiq/Solid Queue) High-Quality Engineering: Write clean, maintainable, and efficient code that adheres to best practices (including Test-Driven Development and Continuous Delivery) Feature Ownership: Take ownership of complex backend features from concept to deployment; assisting the Product Team in scoping requirements and managing ...