141 Web Frontend jobs in the United Kingdom
Frontend/Web Developer
Posted today
Job Viewed
Job Description
Country: United Kingdom
Location: London
Sector: Software Developer
Job Type: Permanent
Fantastic opportunity for a creative and talented
Frontend Developer
to deliver awesome looking web pages and content for a fast growing and innovative business based in South London.
As the
Frontend / Web Developer
you will be creating, designing and updating web pages, producing user friendly forms. You will also be taking the lead in creating great digital content for images, videos, graphics and social media.
You will either have some commercial experience in a similar role, or are a recent graduate with a great portfolio demonstrating your creative and technical abilities.
Once established in the role, you will have the opportunity to take on bigger projects and build your skillset, all the while, working with a great team of talented and friendly people.
Adobe Suite (and other design packages)
HTML & CSS
A good understanding of UX
ColdFusion
JSON/XML APIs
Knowledge of CMS
In return you will be based out of great offices, with a salary of up to £28,000 + bonus & benefits.
Please call
APPLY TODAY
to be shortlisted for this great opportunity.
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Frontend Web Developer
Posted today
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Job Description
Front-End Developer & UI/UX DesignernLocation : Remote, with one day a fortnight in the London office expected. Dedicated full time Old Street office available.nAbout ClaimitnClaimit is a fast-growing startup revolutionising claims management with intelligent automation. We’re scaling quickly, solving complex challenges, and building tools that transform how businesses manage logistics and claims. We need creative, driven people who thrive in the fast pace of a high-growth startup.nRole OverviewnWe’re seeking a hybrid UI/UX Designer & Front-End Developer to join our team. This role blends design and development: you’ll be responsible for creating high-fidelity design mockups and prototypes, then translating them into elegant, responsive, user-friendly web applications.nThe ideal candidate is capable of designing intuitive user experiences, producing visually striking mockups, and delivering them as production-ready interfaces within the Microsoft technology ecosystem.nExperience in logistics, courier, or related industries is highly valued.nKey ResponsibilitiesnDesign high-quality, UI/UX mockups and prototypes that clearly communicate user flows and product vision.nDevelop responsive, performant front-end features using Blazor, Razor, or ASP.Net. Being responsible for quality HTML and CSS.nCollaborate with stakeholders, product managers, and engineers to transform business requirements into user-friendly experiences.nOwn the visual consistency of the product—ensuring typography, color, spacing, and components align with brand and usability standards.nConduct and apply user research and feedback to refine designs.nIterate quickly in a fast-paced startup environment, balancing speed with attention to detail.n(Preferred) Apply logistics/courier industry knowledge to design intuitive, workflow-friendly interfaces.nRequirementsnDemonstrated experience as a UI/UX Designer and Front-End Developer (portfolio required).nProficiency with design tools such as Figma, Adobe XD, Sketch, or similar.nStrong understanding of UX principles, usability, and accessibility.nExperience coding within the Microsoft ecosystem (Blazor, Razor, ASP.Net).nAbility to balance creativity and technical execution under tight deadlines.nStrong communication and collaboration skills.nNice-to-have: Familiarity with logistics, courier operations, or related business processes.nHighly preferred: Experience of dealing with the pressure of a high growth start up.nWhat We OffernA rare opportunity to own both design and development at a pivotal stage of a high-growth AI startup.nThe ability to directly influence the look, feel, and usability of our platform.nCompetitive compensation and benefits.nA collaborative, fast-paced environment where your work has immediate impact.
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Apprenticeship - Junior Web Developer (Frontend)
Posted 4 days ago
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Job Description
What you will learn and do:
- Assist in the development and maintenance of user-friendly and responsive websites and web applications.
- Learn to write clean, efficient, and maintainable code using HTML, CSS, and JavaScript.
- Gain hands-on experience with frontend frameworks and libraries such as React, Vue.js, or Angular under the guidance of senior developers.
- Collaborate with designers and backend developers to implement new features and functionalities.
- Assist in testing and debugging code to ensure optimal performance and user experience.
- Learn about version control systems like Git and contribute to code repositories.
- Participate in daily stand-up meetings and contribute to team discussions.
- Understand the principles of UI/UX design and how to implement them effectively.
- Assist in optimising web pages for speed and scalability.
- Learn about accessibility standards and ensure websites meet WCAG guidelines.
- Engage in online learning modules and external courses provided as part of the apprenticeship program.
- Develop problem-solving skills and learn to approach technical challenges systematically.
- Contribute to documentation of code and development processes.
- Build a portfolio of projects to showcase your growing skills and achievements.
We are looking for candidates who have a genuine passion for technology and web development, with a basic understanding of programming concepts. Strong analytical and problem-solving abilities are essential, along with excellent communication skills and a willingness to learn. You should be a self-starter, capable of managing your time effectively and working independently in a remote setting. No prior professional experience is required, but a portfolio of personal projects (e.g., GitHub repositories, personal websites) would be a significant advantage. An aptitude for logic and a creative mindset are key. This apprenticeship programme is designed to provide a solid foundation for a successful career in web development, offering the potential for a permanent role upon successful completion.
Junior Frontend Developer - Web Applications
Posted 2 days ago
Job Viewed
Job Description
Key Responsibilities:
- Develop and maintain responsive user interfaces for web applications.
- Translate UI/UX design wireframes into high-quality code.
- Build reusable components and frontend libraries for future use.
- Optimize applications for maximum speed, scalability, and user experience.
- Collaborate with backend developers and designers to improve usability.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and team meetings.
- Troubleshoot and debug frontend issues.
- Stay up-to-date with emerging frontend technologies and trends.
- Assist in the implementation of new features and enhancements.
- Basic understanding of HTML5, CSS3, and JavaScript (ES6+).
- Familiarity with at least one modern JavaScript framework (React, Vue, Angular) is a plus.
- Knowledge of responsive design principles and mobile-first development.
- Understanding of version control systems like Git.
- Strong problem-solving skills and attention to detail.
- Eagerness to learn and adapt to new technologies.
- Good communication and teamwork skills.
- Ability to work independently in a remote environment.
- Portfolio of personal projects or contributions to open source is advantageous.
UI Development Lead
Posted 1 day ago
Job Viewed
Job Description
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.
**Job Overview**
Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.
The Fixed Income eTrading team delivers eTrading strategy & provides market connectivity, price distribution, order management, RFQ management, Algo trading capability for Spread Products business. This role is for an individual who will leverage his/her skills to deliver solutions related to electronic trading implementations with key architectural and design decisions in the build out of global eTrading and Algo platform.
The UI Application Dev lead is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology and product teams. The overall objective of this role is to lead applications systems analysis and programming activities.
The candidate will have the opportunity to work in a fast-paced environment dedicated to delivering business value and to enhancing our competitive edge.
**Responsibilities:**
+ Design & development of Front end for eTrading and Algo platforms
+ Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
+ Supporting and enhancing the existing infrastructure and applications across a variety of technologies (Angular, .Net, WPF).
+ Follow application development life cycle and drive engineering excellence
+ Balancing time to market (client delivery) with proper governance, compliance, and audit mandates
**Knowledge and Experience:**
+ 7+ Yrs experience in designing, building, testing, maintaining, and supporting large scale, high-performant UI applications
+ Previous experience of delivering electronic trading solutions is a big plus.
+ Demonstrated ability to learn new business concepts and technologies quickly and thoroughly
+ Experience in following good development standards and practices
+ Previous experience in the financial industry, knowledge of Spread Products such as Bonds, Loans, CDS/CDX & Index Tranches is a plus.
**Qualifications:**
+ Expert level proficiency in UI Technologies Angular, Javascript/ TypeScript, .Net, WPF, HTML and CSS
+ Thorough understanding of real time communication between UI and backend using HTTP, web sockets
+ Understanding of Reactive programming paradigms (RxJS and NgRx) etc.
+ Strong experience in distributed applications and architecture
+ Expertise in design, development, performance tuning, and troubleshooting UI applications
+ Hands on experience with CICD pipelines using TeamCity, Jenkins in Cloud Native environments.
+ Familiarity in implementing styles based on UX designs
+ Team player with excellent interpersonal and communication & problem-solving skills
+ Innovator - drives the adoption of new approaches, solutions, and tools
**Education:**
+ Bachelor's degree/University degree or equivalent experience
+ Master's degree preferred
**What we'll provide you**
By joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:
+ 27 days annual leave (plus bank holidays)
+ A discretional annual performance related bonus
+ Private Medical Care & Life Insurance
+ Employee Assistance Program
+ Pension Plan
+ Paid Parental Leave
+ Special discounts for employees, family, and friends
+ Access to an array of learning and development resources
Visit our Global Benefits page to learn more. ( these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.
#LI-MR
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**Job Family Group:**
Technology
---
**Job Family:**
Applications Development
---
**Time Type:**
Full time
---
**Most Relevant Skills**
Please see the requirements listed above.
---
**Other Relevant Skills**
Angular, Java, Microsoft .NET Development, TypeScript, WPScan.
---
_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.
UI Development Lead
Posted today
Job Viewed
Job Description
Join to apply for the UI Development Lead role at Citi.nOverview
Engineer the future of global finance. Citi Tech delivers systems that touch trillions of dollars and operate in 180+ countries. You will work on the Fixed Income eTrading platform, delivering electronic trading capabilities and supporting global eTrading and Algo platform design decisions. The UI Application Dev lead is a senior role responsible for establishing and implementing new or revised application systems in coordination with Technology and product teams, with the objective of leading applications systems analysis and programming activities.nResponsibilities
Design and develop the front end for eTrading and Algo platformsnProvide technical oversight across systems and applicationsnSupport and enhance existing infrastructure and applications across Angular, .Net, and WPFnFollow the application development life cycle and drive engineering excellencenBalance time-to-market with governance, compliance, and audit mandatesnKnowledge and Experience
7+ years of experience in designing, building, testing, maintaining, and supporting large-scale, high-performance UI applicationsnExperience delivering electronic trading solutions is a plusnAbility to learn new business concepts and technologies quicklynExperience with good development standards and practicesnExperience in the financial industry; knowledge of Spread Products (bonds, loans, CDS/CDX & Index Tranches) is a plusnQualifications
Expert level proficiency in UI technologies: Angular, JavaScript/TypeScript, .NET, WPF, HTML, CSSnUnderstanding of real-time UI-backend communication (HTTP, WebSockets)nKnowledge of Reactive programming (RxJS and NgRx)nStrong experience in distributed applications and architecturenUI design, development, performance tuning, and troubleshootingnExperience with CI/CD pipelines (TeamCity, Jenkins) in cloud-native environmentsnAbility to implement styles based on UX designsnTeam player with strong communication and problem-solving skillsnInnovator who drives adoption of new approaches, solutions, and toolsnEducation
Bachelor’s degree or equivalent experiencenMaster’s degree preferrednWhat We’ll Provide You
By joining Citi London, you’ll be part of a business casual workplace with a hybrid model (up to 2 days remote per week) and a competitive base salary, plus additional benefits:n27 days annual leave (plus bank holidays)nDiscretionary annual performance bonusnPrivate Medical Care & Life InsurancenEmployee Assistance ProgramnPension PlannPaid Parental LeavenDiscounts for employees, family, and friendsnAccess to learning and development resourcesnVisit Citi’s Global Benefits page to learn more. Citi is an equal opportunity employer. Qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic protected by law.
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UI Development Lead
Posted 2 days ago
Job Viewed
Job Description
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.
Job Overview
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.
The Fixed Income eTrading team delivers eTrading strategy & provides market connectivity, price distribution, order management, RFQ management, Algo trading capability for Spread Products business. This role is for an individual who will leverage his/her skills to deliver solutions related to electronic trading implementations with key architectural and design decisions in the build out of global eTrading and Algo platform.
The UI Application Dev lead is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology and product teams. The overall objective of this role is to lead applications systems analysis and programming activities.
The candidate will have the opportunity to work in a fast-paced environment dedicated to delivering business value and to enhancing our competitive edge.
Responsibilities
Design & development of Front end for eTrading and Algo platforms
Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
Supporting and enhancing the existing infrastructure and applications across a variety of technologies (Angular, .Net, WPF)
Follow application development life cycle and drive engineering excellence
Balancing time to market (client delivery) with proper governance, compliance, and audit mandates
Knowledge and Experience
7+ Yrs experience in designing, building, testing, maintaining, and supporting large scale, high-performant UI applications
Previous experience of delivering electronic trading solutions is a big plus
Demonstrated ability to learn new business concepts and technologies quickly and thoroughly
Experience in following good development standards and practices
Previous experience in the financial industry, knowledge of Spread Products such as Bonds, Loans, CDS/CDX & Index Tranches is a plus
Qualifications
Expert level proficiency in UI Technologies Angular, Javascript/ TypeScript, .Net, WPF, HTML and CSS
Thorough understanding of real time communication between UI and backend using HTTP, web sockets
Understanding of Reactive programming paradigms (RxJS and NgRx)
Strong experience in distributed applications and architecture
Expertise in design, development, performance tuning, and troubleshooting UI applications
Hands on experience with CICD pipelines using TeamCity, Jenkins in Cloud Native environments
Familiarity in implementing styles based on UX designs
Team player with excellent interpersonal and communication & problem-solving skills
Innovator – drives the adoption of new approaches, solutions, and tools
Education
Bachelor’s degree/University degree or equivalent experience
Master’s degree preferred
What we’ll provide younBy joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:
27 days annual leave (plus bank holidays)
A discretionary annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources
Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.
#LI-MR
Job Family Group: Technology
Job Family: Applications Development
Time Type: Full time
Most Relevant SkillsnPlease see the requirements listed above.
Other Relevant SkillsnAngular, Java, Microsoft .NET Development, TypeScript, WPScan.
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.
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Frontend Engineer (Inbox Web)
Posted today
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We have over 100 million user accounts and a growing team of over 500 people from more than 50 countries. Proton is profitable and has grown without reliance on venture funding. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density.
We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our social media pages to learn more about us:
Twitter ,
Reddit ,
Instagram .
The TeamnAs a Frontend Engineer on the Inbox team, you will play a crucial role in developing Proton's Mail and Calendar. You should be customer-centric, continuously learning, and passionate about technology and usability. You are adept at turning technical complexities into seamless user experiences. Effective teamwork, collaboration with Product, Design, APIs, and your team, and data-driven decision-making are essential aspects of this role.
Current Projects
Developing innovative productivity tools that seamlessly integrate with our privacy-centric ecosystem.
Advancing the frontiers of cryptography to ensure user data remains secure even in the face of emerging technologies such as quantum-proof encryption.
Expanding Proton's reach into the B2B segment, bringing privacy and security to businesses worldwide.
Pushing the boundaries of innovation with projects like Scribe, the world's first private AI in a consumer product.
Impact opportunities
Scale Mail & Calendar B2B product development: Shape the future of products used by millions of people around the world.
Tech Stack and Tools
JavaScript, TypeScript, React, ES6
Every Proton client's codebase is open source; check it out here.
Encryption brings unique challenges to front-end development. A trivial search functionality becomes more interesting to implement when the email body is fully encrypted.
What you will do
Develop new features: developing, deploying and supporting high-quality user experiences, including feature development and implementation.
Drive adoption and user retention: contribute to the user onboarding and delivering a delightful experience to retain users.
Collaboration: Work closely with backend, product owners, designers, QA, and other engineers to take initiatives from ideation to completion.
Code review and optimization: conduct code reviews and provide constructive feedback to ensure code quality, maintainability, and performance optimization.
Testing: develop and implement comprehensive testing strategies across all test layers to ensure reliability and future ease of development.
Job requirementsnWhile we prefer candidates who cover the entire skillset, don't hesitate to apply if you're not an exact match, as we're willing to help you grow in certain areas.
Extensive experience of professional software development using JavaScript ES6+ or TypeScript.
Experience with React or 2+ similar frameworks, developing performant and reusable components.
Experience writing tests at scale.
Familiarity with other best practices for ensuring code quality, including CI/CD.
Familiarity with UX, accessibility, internationalization, and localization concerns and solutions.
Nice to have
Experience working in a distributed team.
Experience with Grafana or other monitoring platforms.
Awareness of common security issues in client-side development, such as those in the OWASP Top Ten, and how to mitigate them.
Even if you don’t meet all the requirements listed above, please still apply.
What We Offer
Office First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our core in-office days.
Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals.
Food: Lunch and snacks are provided by Proton every day at our offices.
Transport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location.
Stock Options: At Proton, we are all owners of the company and you get stock options when you join us.
Flexible Working: You can define your own working hours as long as it works with team meetings.
Learning and Development: We are committed to your professional growth. Proton offers various learning opportunities, including training programs, conferences and events, and continual learning.
Employee Benefits: Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs.
Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton’s only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do.
Check our social media to learn more about Proton: LinkedIn, Reddit, X, YouTube.
Our Commitment to Diversity and InclusionnAt Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals feel valued and empowered. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected. If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know.
Candidate Privacy NoticenWhen you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG, your information is stored in Greenhouse, in accordance with their Service Privacy Policy. This information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills. If we no longer have a legitimate business need to process your information, we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information, or if you wish to access, correct, or delete your data, please contact our privacy team at
Proton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer, even if the candidate is subsequently hired by Proton.
To learn more about our privacy policy, please visit our privacy policy page.
Seniority level
Associate
Employment type
Full-time
Job function
Engineering and Information Technology
Industries
Software Development
Referrals increase your chances of interviewing at Proton by 2x.
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UX/UI Designer, Product Development
Posted today
Job Viewed
Job Description
Key Responsibilities:
- Conduct user research, usability testing, and analyse user feedback to inform design decisions.
- Create wireframes, mockups, prototypes, and high-fidelity designs for web and mobile applications.
- Develop intuitive user flows and interaction designs that enhance user experience.
- Collaborate closely with product managers, developers, and other stakeholders throughout the product lifecycle.
- Translate complex ideas into simple, elegant, and user-friendly interfaces.
- Ensure design consistency and adherence to brand guidelines across all digital products.
- Iterate on designs based on user feedback, technical constraints, and business goals.
- Stay up-to-date with the latest UX/UI trends, best practices, and emerging technologies.
- Contribute to the development and maintenance of design systems.
- Present design concepts and solutions effectively to cross-functional teams and stakeholders.
- Minimum 3 years of experience as a UX/UI Designer or similar role.
- A strong portfolio showcasing a range of UX/UI design projects for digital products.
- Proficiency in design and prototyping tools such as Figma, Sketch, Adobe XD, InVision, or similar.
- Understanding of user-centred design principles and methodologies.
- Experience with user research techniques and usability testing.
- Ability to create clear wireframes, user flows, and interactive prototypes.
- Excellent visual design skills, with a keen eye for detail, typography, and layout.
- Strong communication, collaboration, and presentation skills.
- Experience working in a hybrid environment, balancing remote and in-office collaboration.
- Familiarity with front-end development concepts is a plus.
Junior Web Development Apprentice
Posted 2 days ago
Job Viewed