36 Front End Engineer jobs in the United Kingdom
Senior User Interface Designer
Posted 1 day ago
Job Viewed
Job Description
Senior UI Designer – Outside IR35 Contract
Location: London (Hybrid – 1 day per week on site)
Salary: Up to £500pd (outside IR35)
Contract Type: 6 month contract
The Opportunity
Our client, a global leader in financial intelligence, is looking for a Senior UI Designer to join their team on a contract basis. This is an exciting chance to be part of a business that is rethinking the way professional tools are designed and used.
You’ll play a key role in building a new design system and visual language from the ground up, directly shaping tools relied upon by investors and fund managers around the world.
What’s In It for You?
- A chance to own and influence design systems at enterprise scale
- Hybrid flexibility – only one day per week in the London office
- The opportunity to showcase your portfolio and make a tangible impact on real-world products
- Work with a talented team where design, engineering, and product work hand in hand
The Role
As Senior UI Designer, you’ll:
- Build and evolve a scalable design system with strong knowledge of design tokens
- Create well-structured, Figma files that are handover-ready for engineering
- Develop high-fidelity prototypes to support user testing and stakeholder buy-in
- Apply technical awareness when designing for frameworks such as JavaScript, Tailwind CSS, and Bootstrap
- Present a portfolio that demonstrates functional, scalable, and visually compelling interfaces
About You
We’re looking for someone who combines creativity with technical know-how. You’ll have a proven track record of delivering polished, functional user interfaces that align with brand identity while enhancing usability.
This role is perfect for a designer who wants to move beyond execution and take ownership of building a design culture within a forward-thinking business.
Interested?
If you’re a Senior UI Designer ready to take on a role where your work has real impact, we’d love to hear from you.
Apply today with your CV and portfolio and one of our consultants will be in touch.
Senior User Interface Designer
Posted 1 day ago
Job Viewed
Job Description
Senior UI Designer – Outside IR35 Contract
Location: London (Hybrid – 1 day per week on site)
Salary: Up to £500pd (outside IR35)
Contract Type: 6 month contract
The Opportunity
Our client, a global leader in financial intelligence, is looking for a Senior UI Designer to join their team on a contract basis. This is an exciting chance to be part of a business that is rethinking the way professional tools are designed and used.
You’ll play a key role in building a new design system and visual language from the ground up, directly shaping tools relied upon by investors and fund managers around the world.
What’s In It for You?
- A chance to own and influence design systems at enterprise scale
- Hybrid flexibility – only one day per week in the London office
- The opportunity to showcase your portfolio and make a tangible impact on real-world products
- Work with a talented team where design, engineering, and product work hand in hand
The Role
As Senior UI Designer, you’ll:
- Build and evolve a scalable design system with strong knowledge of design tokens
- Create well-structured, Figma files that are handover-ready for engineering
- Develop high-fidelity prototypes to support user testing and stakeholder buy-in
- Apply technical awareness when designing for frameworks such as JavaScript, Tailwind CSS, and Bootstrap
- Present a portfolio that demonstrates functional, scalable, and visually compelling interfaces
About You
We’re looking for someone who combines creativity with technical know-how. You’ll have a proven track record of delivering polished, functional user interfaces that align with brand identity while enhancing usability.
This role is perfect for a designer who wants to move beyond execution and take ownership of building a design culture within a forward-thinking business.
Interested?
If you’re a Senior UI Designer ready to take on a role where your work has real impact, we’d love to hear from you.
Apply today with your CV and portfolio and one of our consultants will be in touch.
Senior User Interface Designer
Posted 1 day ago
Job Viewed
Job Description
Contract Senior UI Designer - B2B News & Data - £500 per day Outside IR35
A global information and intelligence business is seeking a Senior UI Designer to play a pivotal role in building the next generation of business intelligence tools for the private equity industry. This is a unique opportunity to shape a new design language and system from the ground up, directly influencing the visual identity and user experience of professional tools used by investors and fund managers worldwide.
The Role
The Senior UI Designer will be an integral part of a forward-thinking product team, collaborating with experienced designers, researchers, and product managers. They will take ownership of developing and maintaining an enterprise-level design system, ensuring consistency and usability across a suite of data-rich, professional tools.
Key Responsibilities
- Lead the creation and maintenance of a scalable design system, including tokens and reusable components.
- Set best practices in Figma, with organised files, auto-layout mastery, and handoff-ready specs for engineering teams.
- Produce high-fidelity, interactive prototypes to support user testing and stakeholder communication.
- Ensure technical fluency by designing with an awareness of modern frameworks (e.g., JS, Tailwind CSS, Bootstrap).
- Deliver visually compelling, functional interfaces that reflect and elevate the company’s brand identity.
Your Profile
- Proven experience contributing to and maintaining enterprise-level design systems.
- Expert knowledge of Figma, including auto-layout, component structuring, and handoff workflows.
- Strong skills in prototyping and visual storytelling for stakeholder engagement.
- A solid understanding of front-end technologies, ensuring seamless translation of designs into code.
- A portfolio showcasing functional, elegant interfaces that embody brand identity.
Front End Engineer
Posted 3 days ago
Job Viewed
Job Description
Senior Front-End Engineer
Posted 2 days ago
Job Viewed
Job Description
Senior Front-End Engineer
Location: London (Onsite, 5 days per week)
Salary & Benefits: 80,000- 120,000 + Benefits
Investigo are partnered with an innovative AI technology company at the forefront of the video intelligence industry. They're on a mission to transform the way businesses leverage video data through next-generation, AI-powered solutions, and they're looking for a Senior Front-End Engineer to help shape and deliver their cutting-edge platform.
This is an opportunity to join a VC-backed, high-growth scale-up where you'll work alongside world-class engineers and product specialists from some of the most recognised global tech companies. You'll be designing, high-performance applications used by organisations across multiple industries, including healthcare, logistics, education, and hospitality.
The Role
Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform.
Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience.
Build and maintain a reusable component library to ensure consistency and quality across the platform.
Contribute to frontend architecture decisions and help define technical best practices for the team.
Optimise performance and ensure applications are reliable, maintainable, and efficient.
Skills & Experience
Strong experience in modern frontend development , ideally with React and TypeScript (or similar frameworks).
Proven ability to deliver high-quality, user-focused applications with an emphasis on performance and scalability.
Experience working with component libraries (e.g. Storybook, Material UI, Chakra UI, or similar).
Familiarity with frontend state management tools and data-fetching frameworks.
Exposure to backend or cloud technologies (e.g. Python, AWS, databases) is highly beneficial.
Comfortable leading large-scale frontend projects, setting coding standards, and mentoring other developers.
Strong communication skills to collaborate effectively with designers, engineers, and stakeholders.
What's on Offer
Equity options, opportunity to join early and share in the company's success
100% company-paid dental & vision insurance
Work on cutting-edge AI-driven solutions alongside a world-class engineering team
If this sounds like your next challenge, please apply online or email me directly at (url removed).
AI Front End Engineer
Posted 4 days ago
Job Viewed
Job Description
**AI Front End Engineer** (Contract)
Duration: 6 Months (Possibility for extension)
Location: London/Hybrid (2 - 3 days on site)
Rate: A highly competitive Umbrella Day Rate is available for suitable candidates
Role Profile
In this development-heavy position, you will be responsible for creating production-ready user interfaces for AI-powered tools and GenAI applications. Working in a greenfield, lab-first environment, you will prototype, iterate, and deploy solutions that adhere to the highest standards of performance, security, and compliance in a regulated financial setting.
Key Responsibilities:
- Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js.
- Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems.
- Implement advanced front-end security features, including token handling, session management, data masking, and audit logging.
- Translate UX/UI designs into modular, reusable components aligned with enterprise design systems.
- Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services.
- Collaborate closely with AI engineers, backend developers, and cloud architects to deliver end-to-end solutions.
- Ensure compliance with cybersecurity and data privacy standards through secure coding practises and regular code reviews.
- Deploy applications to GCP (Firebase, Cloud Run) and Azure App Services using CI/CD pipelines hardened for security and compliance.
- Participate in code reviews, technical design discussions, and architecture planning sessions.
Required Skills & Experience:
- Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government).
- Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development.
- Demonstrated ability to build front-end applications from scratch in greenfield or innovation lab settings.
- Experience developing interactive UIs, dashboards, chat interfaces, and data visualisations for AI-powered tools.
- Skilled in integrating front-end applications with APIs (REST, GraphQL, WebSockets) and backend services.
- Deep understanding of front-end security practises (e.g., OWASP, CSP, input sanitization, role-based access).
- Familiarity with secure API design, token management, and data privacy obligations (e.g., GDPR, ISO 27001).
- Ability to build modular, reusable components aligned with enterprise design systems (e.g., MUI, Tailwind).
- Exposure to secure SDLC practises, cyber risk assessments, and security posture reporting.
- Comfortable working in agile, cross-functional teams with product managers, AI engineers, and cloud architects.
Candidates will need to show evidence of the above in their CV in order to be considered.
If you feel you have the skills and experience and want to hear more about this role 'apply now' to declare your interest in this opportunity with our client. Your application will be observed by our dedicated team.
We will respond to all successful applicants ASAP however, please be advised that we will always look to contact you further from this time should we need further applicants or if other opportunities arise relevant to your skillset.
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.
As part of our standard hiring process to manage risk, please note background screening checks will be conducted on all hires before commencing employment.
Senior Front-End Engineer
Posted 2 days ago
Job Viewed
Job Description
Senior Front-End Engineer
Location: London (Onsite, 5 days per week)
Salary & Benefits: 80,000- 120,000 + Benefits
Investigo are partnered with an innovative AI technology company at the forefront of the video intelligence industry. They're on a mission to transform the way businesses leverage video data through next-generation, AI-powered solutions, and they're looking for a Senior Front-End Engineer to help shape and deliver their cutting-edge platform.
This is an opportunity to join a VC-backed, high-growth scale-up where you'll work alongside world-class engineers and product specialists from some of the most recognised global tech companies. You'll be designing, high-performance applications used by organisations across multiple industries, including healthcare, logistics, education, and hospitality.
The Role
Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform.
Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience.
Build and maintain a reusable component library to ensure consistency and quality across the platform.
Contribute to frontend architecture decisions and help define technical best practices for the team.
Optimise performance and ensure applications are reliable, maintainable, and efficient.
Skills & Experience
Strong experience in modern frontend development , ideally with React and TypeScript (or similar frameworks).
Proven ability to deliver high-quality, user-focused applications with an emphasis on performance and scalability.
Experience working with component libraries (e.g. Storybook, Material UI, Chakra UI, or similar).
Familiarity with frontend state management tools and data-fetching frameworks.
Exposure to backend or cloud technologies (e.g. Python, AWS, databases) is highly beneficial.
Comfortable leading large-scale frontend projects, setting coding standards, and mentoring other developers.
Strong communication skills to collaborate effectively with designers, engineers, and stakeholders.
What's on Offer
Equity options, opportunity to join early and share in the company's success
100% company-paid dental & vision insurance
Work on cutting-edge AI-driven solutions alongside a world-class engineering team
If this sounds like your next challenge, please apply online or email me directly at (url removed).
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AI Front End Engineer
Posted 4 days ago
Job Viewed
Job Description
**AI Front End Engineer** (Contract)
Duration: 6 Months (Possibility for extension)
Location: London/Hybrid (2 - 3 days on site)
Rate: A highly competitive Umbrella Day Rate is available for suitable candidates
Role Profile
In this development-heavy position, you will be responsible for creating production-ready user interfaces for AI-powered tools and GenAI applications. Working in a greenfield, lab-first environment, you will prototype, iterate, and deploy solutions that adhere to the highest standards of performance, security, and compliance in a regulated financial setting.
Key Responsibilities:
- Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js.
- Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems.
- Implement advanced front-end security features, including token handling, session management, data masking, and audit logging.
- Translate UX/UI designs into modular, reusable components aligned with enterprise design systems.
- Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services.
- Collaborate closely with AI engineers, backend developers, and cloud architects to deliver end-to-end solutions.
- Ensure compliance with cybersecurity and data privacy standards through secure coding practises and regular code reviews.
- Deploy applications to GCP (Firebase, Cloud Run) and Azure App Services using CI/CD pipelines hardened for security and compliance.
- Participate in code reviews, technical design discussions, and architecture planning sessions.
Required Skills & Experience:
- Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government).
- Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development.
- Demonstrated ability to build front-end applications from scratch in greenfield or innovation lab settings.
- Experience developing interactive UIs, dashboards, chat interfaces, and data visualisations for AI-powered tools.
- Skilled in integrating front-end applications with APIs (REST, GraphQL, WebSockets) and backend services.
- Deep understanding of front-end security practises (e.g., OWASP, CSP, input sanitization, role-based access).
- Familiarity with secure API design, token management, and data privacy obligations (e.g., GDPR, ISO 27001).
- Ability to build modular, reusable components aligned with enterprise design systems (e.g., MUI, Tailwind).
- Exposure to secure SDLC practises, cyber risk assessments, and security posture reporting.
- Comfortable working in agile, cross-functional teams with product managers, AI engineers, and cloud architects.
Candidates will need to show evidence of the above in their CV in order to be considered.
If you feel you have the skills and experience and want to hear more about this role 'apply now' to declare your interest in this opportunity with our client. Your application will be observed by our dedicated team.
We will respond to all successful applicants ASAP however, please be advised that we will always look to contact you further from this time should we need further applicants or if other opportunities arise relevant to your skillset.
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.
As part of our standard hiring process to manage risk, please note background screening checks will be conducted on all hires before commencing employment.
Mechanical Front End Engineer
Posted 6 days ago
Job Viewed
Job Description
**Ball is thrilled to receive Newsweek's 2023 Top 100 Global Most Loved Workplace award! As a sustainable product leader, we have over 16,000 global team members. From endlessly recyclable aluminum cans, and cups, to aerosol bottles, our goal is to contribute to a better community, society, and world.**
**Position overview:**
The Mechanical Front End Engineer will assist the Regional Process Support Group with installations, audits, problem solving, best practice rollout, innovation, cost reductions and maintenance of Front End process equipment within BPEMEA & Asia facilities. Core skills would be on Cuppers, but this role would also cover Bodymakers and Trimmers. This role will also train appropriate personnel in the operation and maintenance to a suitable level of competence within BPEMEA and Asia as requested. You would be considered the Subject Matter Expert for Front End equipment and would be the point of contact for any technical questions.
This role will require 90% of travelling.
**Key responsibilities include:**
+ Support all projects and overhauls as requested with technical expertise required
+ Ensure detailed reports from site visits are generated and sent to the Managers as requested
+ Use expertise and knowledge to assist plants in raising requests for capital investment as required
+ Liaise with appropriate equipment suppliers/OEMs
+ Make available workable SOPs to aid with good process equipment working practices
+ Promotes the valuable skills available to all the plants
+ Follow up on recommended actions
+ Maintain good working relationships with the plants and suppliers
+ Develop and provide technical training for new and existing Plants
+ Be available at short notice in case of an emergency breakdown
**What are we looking for?**
+ C & G Mechanical or Electrical Engineering
+ At least 8 years hands on engineering experience on various types of Cuppers
+ All maintenance requirements, audits, set up and problem solving aspects of Cupper types
+ Very familiar with how the Front End of a 2 piece can plant operates
+ Able to travel at short notice and can work weekends when required
+ Fluent in English
**Ball Corporation is an Equal Opportunity Employer. We actively encourage applications from everybody, regardless of gender, age, ethnicity, faith, ability, or orientation** .
When you join Ball you belong to a team of over 16,000 members worldwide. Our products range from infinitely recyclable aluminium cans, cups to aerosol bottles solutions that enable our customers to contribute to a better world.
Each of us has a deep commitment to diversity and inclusion which is the foundation of our culture of belonging. Everyone at Ball is making a difference by doing what we love. Because what we create may change, but what we will always make is a difference.
Please note the advertised job title might vary from the job title on the contract due to local job title structure and global HR systems.
No agencies please.
**LI-MS2**
**LI-Hybrid**
Senior Front End Engineer
Posted 3 days ago
Job Viewed
Job Description
Want to craft interfaces that captivate millions?
We're looking for a Senior Front End Engineer to lead the development of immersive, gamified user experiences. You'll work with modern frameworks and animation libraries to build responsive, high-performance interfaces that users love.
What You'll Be Doing:
- Designing and developing UI features using React, Next.js, and TypeScript
- Applying gamifica.
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