Designer/user interface designer javascript Work, Jobs (with Salaries)

Founding Frontend Engineer
Innerworks —London
- £75,000 - £90,000 a year
- Full-time
- Hybrid work
- JavaScript
- APIs
- HTML
Quick apply
User Experience Designer (SC Eligible) - Consultant / Senior Consultant
Capgemini Sogeti —London
- Hybrid work
- Azure
- Java
- AWS
Frontend Developer - React
Xelix —London
- £60,000 - £75,000 a year
- Full-time
- Hybrid work
- JavaScript
- Mentoring
- Software development
- Annual leave
Quick apply
5d
UI Engineer - Mocks and Wireframes Specialist
Centric Software —London
- Full-time
- Remote
- JavaScript
- APIs
- Communication skills
Reya DEX & Network - Senior Frontend Engineer
deCircle —London
- Full-time
- Remote
- Computer Science
- Master's degree
- Bachelor's degree
Quick apply
Web Designer
RSR Technologies Ltd —Rugby
- £35,000 - £45,000 a year
- Full-time
- Analysis skills
- Bachelor's degree
- JavaScript
Quick apply
14h
Sr. Front-end Engineer
Galytix —London
- English
- JavaScript
- APIs
Web Developer
Heriot Watt University —Edinburgh
- £37,694 - £47,389 a year
- Full-time
- Computer Science
- University
- JavaScript
- Annual leave
14d
Front End Developer, Officer
State Street —London
- Full-time
- Java
- JavaScript
- APIs
Software Developer (Full Stack/Front or Back End)
Jacobs —Bristol
- Full-time
- Hybrid work
- JavaScript
- APIs
- Agile
11d
Web Developer
Mediaworks —Newcastle upon Tyne
- Full-time
- Hybrid work
- JavaScript
- APIs
- Communication skills
- Annual leave
Full Stack Web Developer - Website Development (mid-level)
Moneycorp —London
- Full-time
- English
- JavaScript
- APIs
Member of Technical Staff - Software Engineer
Tessl —London
- Full-time
- Hybrid work
- C++
- JavaScript
- APIs
Senior Front End Software Engineer - Application Development
Palantir Technologies —London
- Full-time
- JavaScript
- APIs
- In-person
- Work from home
Full Stack Angular Software Engineer
Avaloq —Edinburgh
- Full-time
- Hybrid work
- Oracle
- Computer Science
- Engineering
Quick apply
Senior Front End Engineer
1st Formations —London
- £90,000 - £110,000 a year
- Full-time
- Hybrid work
- JavaScript
- HTML
Senior PHP Developer
Scrumconnect Consulting —Leeds
- £55,000 - £65,000 a year
- Remote
- AWS
- Continuous improvement
- JavaScript
4d
Junior Full-Stack Developer
Inizio Engage XD —Plymouth
- Hybrid work
- Azure
- Computer Science
- DevOps
- Annual leave
Front End Engineer
Ravelin Technology —London
- Full-time
- Hybrid work
- Analysis skills
- JavaScript
- APIs
- Annual leave
- Flexible schedule
Quick apply
Software Developer
Magnific It Limited —Darlington
- £38,063 - £44,911 a year
- Hybrid work
- Azure
- Computer Science
- Software troubleshooting
- Free parking
- Work from home
Quick apply

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Founding Frontend Engineer

Innerworks -
London

Quick apply

Job details

Full-time
£75,000 - £90,000 a year

Benefits

Company pension

Qualifications

CSS
React
JavaScript
REST
APIs
UI
TypeScript
HTML

Full job description

We're Hiring!

We’re hiring a Founding Frontend Engineer. You will be our first in-house Frontend Engineer, responsible for developing, maintaining, and scaling our user portal - the first thing customer’s see when engaging with our product. You’ll also be crafting the principles and values we uphold when we do frontend engineering now, and into the future. This is an opportunity to take complete ownership over our frontend stack, work with an incredible team of talented engineers, and to help build the future of immunity on the internet.

Your Responsibilities

Owning the full frontend surface from design system foundations to performance to deployment.

Translating UI/UX designs into clean, efficient, and maintainable code.

Developing accessible and high-performing user interfaces across devices.

Optimising application performance and ensuring cross-browser compatibility.

Identifying, troubleshooting, and resolving front-end issues efficiently.

Decision making on authentication strategies and secure session/token approaches (e.g. JWT/JWE, token rotation).

Collaboration with designers, developers, and stakeholders to deliver seamless digital experiences.

Enforcing and maintaining best practices in frontend development, including code quality, testing, and performance optimisation.

Requirements

You Should Have

Strong commercial experience as a front end developer, delivering production Web applications

Excellent JavaScript and TypeScript skills, with strong experience building UI with React

Solid HTML5 and CSS skills, including building responsive interfaces that work well across devices and browsers

Experience working with modern Web application patterns, including server-side rendering (or similar techniques) and performance-minded UI delivery

Experience building enterprise scalable applications against REST API’s

Familiarity with common architectural patterns and building maintainable component-based applications

It Would Be Nice If You Have

Worked in a early-stage startup before and know what it feels like when there's no playbook.

Used AI coding tools and know how to get leverage from them without losing control of the codebase.

Built something data-heavy (dashboards, tables, real-time updates) and know where the performance traps are.

Benefits

£75,000 - £90,000 Base Salary
Employee Matched Pension Plan
Stock Option Package
Wellness Budget
Monthly Socials

Quick apply

Refine Your Search

designer/user interface designer javascript jobs

Founding Frontend Engineer

User Experience Designer (SC Eligible) - Consultant / Senior Consultant

Frontend Developer - React

UI Engineer - Mocks and Wireframes Specialist

Reya DEX & Network - Senior Frontend Engineer

Web Designer

Sr. Front-end Engineer

Web Developer

Front End Developer, Officer

Software Developer (Full Stack/Front or Back End)

Web Developer

Full Stack Web Developer - Website Development (mid-level)

Member of Technical Staff - Software Engineer

Senior Front End Software Engineer - Application Development

Full Stack Angular Software Engineer

Senior Front End Engineer

Senior PHP Developer

Junior Full-Stack Developer

Front End Engineer

Software Developer

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