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120 Ui Engineer jobs in the United Kingdom

UI Engineer

London, London mthree

Posted today

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Job Description

Get AI-powered advice on this job and more exclusive features.nUI Engineer (React.js) - Global Markets Technology - Investment BanknBehind every trade, market move, and risk calculation, there’s a user interface that needs to perform flawlessly. This leading global investment bank is seeking a UI Engineer (React.js) to join its Global Markets Technology team in London (hybrid, 3 days in office), where you’ll design and build modern, responsive, and data-driven interfaces that turn complexity into clarity for trading, risk, and analytics platforms used worldwide.nResponsibilities:nCollaborate with UX, product, and backend teams to deliver seamless, user-centric solutions.nTranslate complex business and technical requirements into intuitive, scalable front-end code.nContribute to code reviews, testing, and engineering best practices.nMentor junior engineers and help drive standards across the team.nSkills & Experience:nExperience building large-scale, enterprise-grade applications.nKnowledge of state management frameworks (Redux, Context API, etc.).nUnderstanding of UI/UX principles and performance optimization.nFamiliarity with testing frameworks and CI/CD pipelines.nExcellent problem-solving and collaboration skills.nNice to have:nFinancial services or trading systems experience.nExposure to Agile practices, cloud platforms, and container technologies.nKnowledge of data visualization libraries (e.g., D3.js, Highcharts).nSeniority level

Seniority level Mid-Senior levelnEmployment type

Employment type Full-timenJob function

Job function Information Technology, Finance, and EngineeringnIndustries IT Services and IT Consulting, Investment Banking, and Financial ServicesnReferrals increase your chances of interviewing at mthree by 2xnSign in to set job alerts for “User Interface Engineer” roles.

London, England, United Kingdom 2 weeks agonLondon, England, United Kingdom 15 hours agonLondon, England, United Kingdom 2 weeks agonGreater London, England, United Kingdom 1 week agonLondon, England, United Kingdom 3 weeks agonGreater London, England, United Kingdom 2 months agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 7 months agonLondon, England, United Kingdom 1 week agonLondon, England, United Kingdom 11 hours agonReact Frontend Engineer - grok.com & API (London)

London, England, United Kingdom 1 week agonLondon, England, United Kingdom 4 weeks agonLondon, England, United Kingdom 2 months agonLondon, England, United Kingdom 1 week agonLondon, England, United Kingdom £45,000.00-£60,000.00 1 month agonLondon, England, United Kingdom 3 weeks agonLondon, England, United Kingdom 7 months agonLondon, England, United Kingdom 4 weeks agonLondon, England, United Kingdom 3 weeks agonFrontend Engineer - Enterprise Agent (London)

London, England, United Kingdom 1 week agonLondon, England, United Kingdom 1 week agonLondon, England, United Kingdom 4 weeks agonLondon, England, United Kingdom 4 weeks agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 1 day agonLondon, England, United Kingdom 2 weeks agonLondon, England, United Kingdom 2 weeks agonSoftware Engineer-Full stack (All Levels)

London, England, United Kingdom 1 month agonLondon, England, United Kingdom 1 week agonLondon, England, United Kingdom 1 month agonLondon, England, United Kingdom 23 hours agonWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

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Senior UI/UX Engineer

Milton Keynes, South East DCV Technologies Limited

Posted 15 days ago

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Job Description

permanent

Senior UI/UX Engineer

Division: IT

Job type: Senior UI/UX Engineer

Location: Milton Keynes, UK

About Our Client

Founded in 1988, our client set out with an ambitious visionto become the worlds leading specialist in travel management. Built on the belief that travel is one of lifes most powerful and emotive experiences, our client is driven by a single mission: to make every journey exceptional.

Through a .

WHJS1_UKTJ

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Senior UI Engineer – TypeScript / JavaScript (plus C++ / Java / C# exposure)

London, London techstack Recruitment

Posted 1 day ago

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Job Description

Overview

Join a fast-growing tech company developing cutting-edge UI solutions used at scale by some of the world's largest enterprises, financial institutions, and tech businesses. With over a million weekly downloads, this product powers real-time, high-performance applications relied upon by 90% of the Fortune 500.nLocation & Salary

Location: London (Hybrid – 2 days WFH)nSalary: £150,000 - £00,000 (Permanent)npension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget.nWhat you'll be doing

Optimising front-end performance for real-time, data-intensive applications.nDeveloping and enhancing a highly optimised, scalable UI framework used by thousands of global enterprises.nSolving algorithmic and architectural challenges, ensuring the UI handles millions of data points seamlessly.nTaking complete ownership of features, from ideation to implementation, shaping a product used by millions worldwide.nWhat you'll bring

A strong grasp of data structures, algorithms, and front-end performance optimisation.nHands-on experience with React, Angular, or Vue, including a deep understanding of DOM rendering.nA problem-solving mindset with the ability to diagnose and fix performance bottlenecks, memory leaks, and rendering inefficiencies.nA passion for building scalable, high-performance UI components.nMake an impact by working on a globally used product that powers some of the most demanding applications.nTackle deep technical challenges at the intersection of front-end performance, data visualisation, and scalability.nCompetitive salary of 50,000 - 00,000 plus benefits.nEngineering-first culture where your contributions truly matter.nHybrid working with two days per week from home.nSeniority level

Mid-Senior levelnEmployment type

Full-timenJob function

Information TechnologynIndustries

IT System Custom Software Development, Software Development, and Technology, Information and Media

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Junior Web Development Apprentice

LS1 1AA Leeds, Yorkshire and the Humber £16000 Annually WhatJobs

Posted 2 days ago

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Job Description

apprenticeship

Embark on an exciting career in technology with this Junior Web Development Apprenticeship opportunity, offered entirely remotely. Our client is a dynamic software development firm that is committed to nurturing emerging talent. As a Web Development Apprentice, you will receive comprehensive training and mentorship from experienced developers, gaining practical experience in front-end and back-end development. This role is ideal for an individual with a passion for coding, problem-solving, and a strong desire to learn the latest web technologies. You will be involved in developing, testing, and maintaining web applications under the guidance of senior team members. Exposure will be provided to languages such as HTML, CSS, JavaScript, and potentially back-end languages like Python or Node.js, along with database management. This position is fully remote, allowing you to work from any location in the UK. We are seeking enthusiastic candidates who are eager to absorb new information and contribute to real-world projects. A basic understanding of computer science principles or prior exposure to coding is advantageous, but not essential, as full training will be provided. Excellent communication skills and the ability to work collaboratively within a remote team environment are vital. You will need to be self-disciplined, highly motivated, and possess a proactive approach to learning. This apprenticeship is a fantastic pathway into a career in web development, offering hands-on experience and the potential for full-time employment upon successful completion. If you are looking to launch your career in the tech industry without the need for a traditional degree and want to be part of a supportive, remote-first development team serving clients nationally, apply today. This apprenticeship is based out of our client's operational hub near Leeds, West Yorkshire, UK , but the role itself is fully remote.

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Junior Web Development Apprentice

NR2 1AE Norwich, Eastern £20000 Annually WhatJobs

Posted 4 days ago

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Job Description

intern

Our client is offering a fantastic opportunity for a motivated and eager individual to embark on a career in web development through our fully remote apprenticeship program. This role is designed for aspiring developers who are passionate about coding and eager to learn the intricacies of building modern, responsive websites and web applications. You will be part of a supportive, remote-first team, gaining hands-on experience with cutting-edge technologies under the guidance of experienced mentors. This apprenticeship provides a structured learning path, combining practical project work with theoretical knowledge, leading to a recognized qualification.

What you will do:

Assist in the development and maintenance of client websites and applications using HTML, CSS, and JavaScript.
Learn and apply principles of front-end development frameworks like React or Vue.js.
Participate in code reviews and contribute to team discussions on best practices.
Help with debugging and troubleshooting issues across various browsers and devices.
Collaborate with designers to translate UI/UX wireframes into functional web pages.
Gain exposure to back-end development concepts and potentially server-side languages like Python or Node.js.
Understand and implement version control systems such as Git.
Contribute to testing procedures to ensure code quality and application stability.
Learn about web accessibility standards and implement them in development.
Engage actively in learning modules and training sessions provided as part of the apprenticeship.

Who we are looking for:

A strong interest and passion for web development and technology.
Basic understanding of programming concepts.
Familiarity with HTML, CSS, and JavaScript is a plus, but not essential.
Excellent problem-solving skills and a keen eye for detail.
Good communication and teamwork abilities, even in a remote setting.
A proactive learner, eager to acquire new skills and knowledge.
Ability to manage time effectively and work independently to meet deadlines.
Possession of a personal computer and reliable internet connection for remote work.
Must be eligible to work in the UK and meet the apprenticeship funding requirements.

This apprenticeship is ideal for individuals looking to launch a career in the tech industry without prior formal experience. Our client is committed to fostering talent and providing a clear career progression path within a supportive remote environment. If you are ready to learn, grow, and build amazing things, we encourage you to apply.

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Junior Web Development Apprentice

LE1 5 Leicester, East Midlands £15000 annum (appr WhatJobs

Posted 6 days ago

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Job Description

apprenticeship

Our client is thrilled to offer a fully remote Junior Web Development Apprenticeship, providing an exceptional opportunity for motivated individuals to kickstart their career in the tech industry. This program is designed for aspiring developers who are eager to learn, grow, and contribute to real-world projects. As a remote apprentice, you will be immersed in a supportive learning environment, receiving mentorship from experienced professionals and gaining hands-on experience with modern web technologies. You will work collaboratively with our distributed team on various exciting development tasks.

During this apprenticeship, you will:

Learn and apply front-end development languages such as HTML, CSS, and JavaScript.
Assist in the development and maintenance of user interfaces for websites and web applications.
Gain exposure to back-end development concepts and popular programming languages (e.g., Python, Node.js).
Participate in team meetings and contribute ideas during agile development sprints.
Learn about version control systems like Git and collaborative workflows.
Understand and implement responsive design principles for optimal user experience across devices.
Write clean, well-documented, and efficient code under guidance.
Troubleshoot and debug code to identify and resolve issues.
Contribute to testing procedures and quality assurance efforts.
Develop an understanding of database fundamentals and their integration with web applications.
Participate in online training sessions, workshops, and self-study modules to enhance technical skills.
Build a portfolio of projects to showcase your abilities upon completion of the apprenticeship.

We are looking for candidates who possess a strong interest in technology and a desire to learn. While prior coding experience is not mandatory, a foundational understanding of computers and a logical approach to problem-solving would be advantageous. Excellent communication skills, a proactive attitude, and the ability to work independently in a remote setting are crucial. This apprenticeship provides a structured learning path, combining practical work experience with formal training, leading to recognized qualifications. This is a fantastic chance to gain invaluable skills and a foothold in the digital landscape, all from your home, supporting projects relevant to the **Leicester, Leicestershire, UK** hub but executed remotely.

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Senior UI Lead Engineer, Vice President

London, London Citigroup

Posted 4 days ago

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Job Description

We're hiring a Senior UI Lead Engineer to help build Citi's next generation, cross-asset risk system. We are utilising cutting edge technology to meet complex trading and regulatory requirements.
**The development position involves:**
+ Development of high-quality, modern UIs for developers, support, quants and finance staff
+ Participation in a fast-paced Agile development process
+ Development of high-quality software, emphasizing simplicity, maintainability and reuse
+ Participation in code and design reviews
+ Working proactively on diverse and innovative solutions
+ Requirements analysis and capture, working closely with the business and business aligned teams to define solutions
+ Good communication with support, other development teams, and infrastructure teams
+ Thorough automated testing using unit and integration tests
+ Driving the architectural standards, development best practices, and promoting adherence to these standards
+ Driving the architectural and technical evolution of frameworks and APIs
**Key Relationships:**
+ Portfolio owners and project leads
+ Risk/Pricing development teams and colleagues in London, Poland, Canada, New York, Shanghai
+ Control and support staff
**Qualifications and Skills:**
The ideal candidate will be a seasoned developer with extensive commercial experience of React; familiarity with Typescript; and solid knowledge of modern HTML, JavaScript and CSS. The candidate must be a self-starter who can take wireframes and implement intuitive user interfaces. The candidate must be able to lead the team technically to drive the architecture standards and best practices
**Required Skills:**
+ Strong communication skills
+ Provencommercial experience with React
+ Strong knowledge of modern HTML, JavaScript **(ES6+)** & CSS
+ Strong understanding of Node.js & npm
+ Experience with Typescript
+ Hands-on expertise in development tools such as Webpack and Vite for efficient build and bundling workflows.
+ Skilled in implementing robust testing strategies using frameworks like Playwright, React Testing Library, and Vitest to ensure high-quality, maintainable code.
**Desirable skills:**
+ Experience in Investment Banking or finance
+ Experience with GraphQL
+ Strong understanding of modern JavaScript tooling
+ Experience publishing npm libraries
+ Experience with micro-frontends
+ Experience building developer tooling
+ Good technical writing skills for documentation
+ Good understanding of data structures and solid computer science fundamentals
+ Knowledge of messaging systems and event-driven architectures
Exceptional candidates who do not meet these criteria may be considered for the role provided they have the necessary skills and experience.
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**Job Family Group:**
Technology
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**Job Family:**
Applications Development
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**Time Type:**
Full time
---
**Most Relevant Skills**
Please see the requirements listed above.
---
**Other Relevant Skills**
For complementary skills, please see above and/or contact the recruiter.
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_Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law._
_If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review_ _Accessibility at Citi ( _._
_View Citi's_ _EEO Policy Statement ( _and the_ _Know Your Rights ( _poster._
Citi is an equal opportunity and affirmative action employer.
Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.

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Senior UI Systems Engineer - AI SaaS

London, London Stax - Deeptech Talent

Posted today

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Shape the design system behind a unicorn AI-native SaaS platform, scaling globally at speed. Why This Role? Stax is partnering with a unicorn AI-native SaaS scale-up that’s transforming how organisations use AI. Now they’re building a London engineering hub . Join as a UK founding engineer - hybrid working, high impact, and the chance to shape a category-defining platform from day one. The Opportunity This is a systems-level role at the intersection of design and engineering. You’ll be at the heart of a platform that’s changing how organisations use AI for customer support and product operations. In just four years, the team has: Pushed browser limits with D3-powered visualisations and real-time dashboards Open-sourced client-side analytics on DuckDB, bringing OLAP to the edge Built AI-native UIs that feel fast, intelligent, and fun Scaled a themeable design system adopted across multiple products and platforms Introduced micro-frontends that power independent, high-velocity teams—and let customers embed their own modules directly in the product Delivered deeply configurable UIs where layouts, components, and visualisations can be reshaped end-to-end via declarative config Your role: define the system that makes every pixel seamless, scalable, and lightning-fast. What You’ll Do Evolve the design system: tokens, theming, accessibility, visual language Build React Web Component libraries for core embedded apps Advance tooling: Storybook, Chromatic, Figma plugins Set standards and governance across design engineering Deliver performant layouts and visualisations at scale Mentor peers on accessibility and performance-first development Tech Ecosystem You’ll Shape Design Tokens · Figma API · Storybook · React · Web Components · TypeScript · Tailwind CSS · Vite · NextJS · Jest · Cypress · Playwright What You Bring 8 years in large-scale web apps, 2 in design-system architecture Strong perspective on tokens, theming, multi-brand support Mastery of React TypeScript, with library publishing experience Accessibility leadership (WCAG, ARIA, keyboard nav, colour contrast) Fluency in CSS methodologies and testing frameworks Excellent communication skills to align design, product, and engineering Bonus points for OSS contributions, Figma plugins, or micro-frontend orchestration Culture & Impact Speed with craftsmanship : fast feedback, continuous delivery, peer reviews Performance-first mindset : Core Web Vitals as product metrics Inclusive and global : teams across the US, Europe, and India Autonomy with accountability : design, guide, measure, iterate London hub : hybrid model, build the team and culture from the ground up Why join? Your design system will power products used by some of the world’s most ambitious teams. Join at a moment of hyper-growth and play a defining role in one of the most exciting SaaS platforms in the world. Stax welcomes applications from all backgrounds. Our client unfortunately can't offer visa sponsorship.

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Senior UI Systems Engineer - AI SaaS

London, London Stax - Deeptech Talent

Posted today

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120 Ui Engineer jobs in the United Kingdom

UI Engineer

Job Description

Senior UI/UX Engineer

Job Description

Senior UI Engineer – TypeScript / JavaScript (plus C++ / Java / C# exposure)

Job Description

Junior Web Development Apprentice

Job Description

Junior Web Development Apprentice

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Junior Web Development Apprentice

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Senior UI Lead Engineer, Vice President

Job Description

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Senior UI Systems Engineer - AI SaaS

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Senior UI Systems Engineer - AI SaaS

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