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
Frontend Developer - React
Xelix —London
- £60,000 - £75,000 a year
- Full-time
- Hybrid work
- JavaScript
- Mentoring
- Software development
- Annual leave
Quick apply
Front End Developer
Voipfibre —Remote
- £31,888.92 - £83,792.98 a year
- Full-time
- Remote
- Azure
- Computer Science
- DevOps
Quick apply
6d
Cloud Frontend Engineer
Signaloid —Cambridge
- £45,000 - £60,000 a year
- Full-time
- Remote
- Computer Science
- Engineering
- Master's degree
Quick apply
Software Engineer III - React / TypeScript, Gen AI, Frontend
JPMorganChase —London
- Full-time
- JavaScript
- Software development
- Agile
Sr. Frontend Engineer - Counter Adversary Operations Team (Hybrid, UK)
CrowdStrike —London
- Full-time
- AWS
- JavaScript
- AI
Senior Front End Engineer
1st Formations —London
- £90,000 - £100,000 a year
- Full-time
- Hybrid work
- JavaScript
- HTML
Full Stack Web Developer - Website Development (mid-level)
Moneycorp —London
- Full-time
- English
- JavaScript
- APIs
Software Engineer (Frontend)
Nevis Wealth —London
- Full-time
- English
- JavaScript
- APIs
- Annual leave
Technical UI Designer - 12 Month Contract
Keywords Studios —Gateshead
- Hybrid work
- C++
- JavaScript
- Python
- Free parking
- Flexible schedule
Quick apply
IT Web Developer - Website Creation - Coding
321 Estates Construction Ltd —Remote
- £15 - £30 an hour
- Temporary
- Remote
- Azure
- DevOps
- SQL
Quick apply
10d
Full Stack Sofware Engineer
CGI —Newcastle upon Tyne
- Full-time
- Azure
- Java
- AWS
Quick apply
UI Designer
M3EU —Leeds
- Full-time
- Hybrid work
- Computer Science
- Bachelor's degree
- JavaScript
Quick apply
Senior Interaction Designer
Version 1 —Newcastle upon Tyne
- Full-time
- Hybrid work
- AWS
- JavaScript
- AI
- Employee assistance programme
- Employee discount
Quick apply
Technical UI Designer – 12 Month Contract
d3t —Runcorn
- Hybrid work
- C++
- JavaScript
- IT
- Free parking
- Flexible schedule
Software Engineer III - React
JPMorganChase —London
- Full-time
- JavaScript
- APIs
- HTML
Front End Developer
Solirius Reply —London
- £40,000 - £65,000 a year
- Full-time
- Hybrid work
- Azure
- AWS
- Analysis skills
- Annual leave
- Employee assistance programme
Quick apply
Web Developer
Mediaworks —Newcastle upon Tyne
- Full-time
- Hybrid work
- JavaScript
- APIs
- Communication skills
- Annual leave
Junior Front-End Developer
Angel Solutions —Liverpool
- £25,000 - £30,000 a year
- Full-time
- Hybrid work
- JavaScript
- In-person
- HTML
- Annual leave
Quick apply
Product Design Engineer
Oneiro Solutions —Edinburgh
- £50,000 - £85,000 a year
- Full-time
- Hybrid work
- JavaScript
- APIs
- Banking
Quick apply
13d

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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

interface designer javascript jobs

Founding Frontend Engineer

Frontend Developer - React

Front End Developer

Cloud Frontend Engineer

Software Engineer III - React / TypeScript, Gen AI, Frontend

Sr. Frontend Engineer - Counter Adversary Operations Team (Hybrid, UK)

Senior Front End Engineer

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

Software Engineer (Frontend)

Technical UI Designer - 12 Month Contract

IT Web Developer - Website Creation - Coding

Full Stack Sofware Engineer

UI Designer

Senior Interaction Designer

Technical UI Designer – 12 Month Contract

Software Engineer III - React

Front End Developer

Web Developer

Junior Front-End Developer

Product Design Engineer

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