233 Frontend jobs in the United Kingdom

Senior Engineer/ Frontend Engineer/ Frontend Developer/ React/ Typescript/ ELM/ AI

Senior Frontend developer - AI Startup (London, Hybrid)

Location: London (Hybrid - 2x per week in office)

Experience: 3-6 years

Package: 80-150k + equity

Tech: React, Typescript, JavaScript, ELM

Tiro Partners is representing an exciting AI scale Up who have ambitious plans to bring Generative AI into the Mechanical Engineering Design process to radically reduce the time to takes to build large scale engineering projects.

The Frontend Engineer will be influential in supporting the Design team as they look to grow from 0 to 1 and beyond.

The Frontend Environment is ELM and WebGL and the back end is predominantly Python with some Rust. They are running on AWS. This is nectar for Engineers who have both a passion for Front End Development and an interest to learn Functional Programming.

The skill set for this role could include React, Typescript, Python, Functional programming language of any kind and a major statically typed language. Any WebGL, OpenGL OR Vulcan is beneficial as is Tailwind CSS and ELM.

My client is not necessarily looking for someone who ticks every box, more over someone with a very sharp mind, who is pragmatic and passionate about both core Engineering & an appreciation for beautiful UX Design. What you will get in return is an opportunity to learn from the best in the Industry, in a fast paced start up environment that promotes failure in the quest for perfection

Requirements

• 3-6 years of experience in frontend development
• Strong hands-on expertise with React, Typescript, Javascript
• Strong foundation in Computer Science (BSc/MSc from a top university).
• Desirable: functional programming (hands on/ interest) such as ELM/ Haskell/ Clojure
• Startup experience is a plus.

Why Join Us?

• Be part of a pioneering AI startup with global impact.
• Collaborate with world-class engineers and ML researchers.
• Hybrid model - 2x a week in our London office.
• Competitive salary + equity.

Senior Engineer/ Frontend Engineer/ Frontend Developer/ React/ Typescript/ ELM/ AI

Just starting out in your development journey? We're looking for a Front-End Developer with solid TypeScript and React skills who's eager to grow in a supportive, modern dev environment.

What You'll Do:

• Develop marketing website to drive lead generation
• Able to investigate complex problem statements and articulate a plan on how to approach.
• Able to deliver proposed plans with confidence
• Writing Unit Tests to support quality of code
• Understanding the value of TDD/BDD/E2E and when to implement
• To be pro-active in suggesting improvements to the system, or new tools or ways of working
• Work closely with the PO/BA, developers, and stakeholders to recommend and agree technological solutions

What You Need to Bring:

• At least 2 years' Frontend Development experience
• Understanding pipeline, Continuous Deployment, and Integration
• Knowledge of agile methodologies
• Strong communication skills & stakeholder management
• Ability to troubleshooting, analyse and problem-solve
• A passion for always providing the best possible service
• Being a team player

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• Opportunities to progress into other paths within Software Delivery.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

50054MSR1

INDMANJ

Frontend Developer | 5 Month Contract | (Inside IR35) | Starting ASAP

Day Rate: market rates

Location: Remote

Job Description:

Our Public Sector client is seeking a talented and experienced Front End Developer to join their Digital Delivery team.

You will be part of an established agile delivery team working to deliver a new public facing digital authorisation application service, associated back-offic.

WHJS1_UKTJ

Role: Senior Frontend Engineer - React & TypeScript
Location: Remote
Salary: Up to 100,000

I'm recruiting on behalf of a client based in Warrington, who are looking to bring a Senior Frontend Engineer into their engineering team. This role can be remote or hybrid with some office time in Warrington.

You'll be working closely with backend teams to develop sleek, high-performance user interfaces using modern frontend tooling. This is a great opportunity to join a well-backed company with a real engineering culture and strong product vision.

Key Skills & Experience:

• 5+ years of frontend development experience
• Strong commercial experience with React and TypeScript
• Familiarity with Vite, Next.js, or other modern build tools
• Comfortable with component libraries and design systems
• Proficient in testing frameworks (e.g. Jest, React Testing Library)
• Good understanding of performance optimisation and accessibility best practices

The ideal candidate will be proactive, collaborative, and keen to influence both tech and product direction.

If you're looking for a high-impact role with a supportive, ambitious team, I'd love to hear from you. For more details please reach out to Fintan at TEC Partners.

Portfolio are proud to be representing our clients who are a Software provider based in the heart of Manchester, providing people solutions to over 100,000 clients worldwide and they're looking for a frontend developer.

The role is paying up to 65,000 and is 5 days a week in the office.

Essential:

• Client-side Javascript/Typescript
• Modern React Development (Hooks, Context, React Query)
• Unit & Component testing using React Testing Library
• Advanced version control using Git.
• Working with third party REST & GraphQL API's
• CSS (We use Tailwind)

Desirable:

• Component library design using Storybook.
• Experience using Cloudflare workers.
• Performance optimisation experience (code-splitting, caching, load testing)
• Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability)
• Knowledge of various front-end architectural patterns
• E2E Testing experience (Cypress/Playwright)
• Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights)

If you would be interested please apply below!

INDMANS

• Develop, test, and deploy high-quality, scalable, and maintainable frontend code for web applications.
• Translate UI/UX design wireframes and mockups into functional and interactive web components.
• Collaborate with backend developers to integrate frontend logic with server-side functionality.
• Optimize applications for maximum speed, scalability, and user experience.
• Write clean, efficient, and well-documented code.
• Participate in code reviews, providing constructive feedback to peers.
• Stay up-to-date with emerging frontend technologies and best practices.
• Troubleshoot and debug frontend issues, ensuring robust application performance.
• Contribute to architectural decisions and technology selection for frontend development.
• Mentor junior frontend developers and share knowledge within the team.

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• A minimum of 5 years of professional frontend development experience.
• Expert proficiency in HTML5, CSS3, and JavaScript (ES6+).
• Strong experience with modern JavaScript frameworks/libraries such as React, Angular, or Vue.js.
• Experience with state management libraries (e.g., Redux, Vuex).
• Familiarity with build tools such as Webpack or Parcel.
• Understanding of RESTful APIs and asynchronous request handling.
• Experience with version control systems (e.g., Git).
• Knowledge of cross-browser compatibility issues and responsive design principles.
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork abilities, with experience in a hybrid work setup.