
JavaScript Developer Jobs
Browse the latest JavaScript developer roles in the UK.
Latest roles
Software Developer
- Type
- Permanent
- Salary
- £35,000 - £40,000
- Location
- Leeds, United Kingdom
Software Developer Location: Leeds (Hybrid – 2 days onsite per week) Salary: £35,000 – £40,000 Gravitas is partnered with a leading...
Front End Engineer (Mid Level)
- Type
- Permanent
- Salary
- £60,000 - £70,000
- Location
- London, United Kingdom
Role: Front End Engineer (Mid-Level) Salary range: £70,000 Location: Remote, London office Tech stack includes: React, TypeScript, Next.js...
Senior Java Developer
- Type
- Contract
- Salary
- £550 - Per Day
- Location
- London, United Kingdom
Senior Java Developer We are looking for a Senior Java Developer to join a modern engineering team focused on building high-performance,...
Senior Software Engineer
- Type
- Permanent
- Salary
- £80,000 - £150,000
- Location
- London, United Kingdom
Role: Senior, Staff & Principal Engineers Salary range: £90 - 150k (+ equity) Location: Central London (x3 days per week onsite -...
Devops engineer
- Type
- Contract
- Salary
- £300 - Per Day
- Location
- London, United Kingdom
DevOps Engineer Our client is a forward-thinking company committed to fostering a collaborative and innovative work culture. They focus on...
Automation QA Engineer
- Type
- Contract
- Salary
- £650 - Per Day
- Location
- London, United Kingdom
Automation QA Engineer A forward-thinking organization dedicated to delivering high-quality digital services is seeking an experienced QA...
Senior Java developer
- Type
- Contract
- Salary
- £700 - Per Day
- Location
- London, United Kingdom
Senior Java Developer We are partnering with a regulated banking environment in London that values innovative, secure, and resilient...
Lead Software Engineer
- Type
- Permanent
- Salary
- £65,000 - £70,000
- Location
- Leeds, United Kingdom
Lead Software Engineer – Build a New In‑House Engineering Function I’m partnering with a high‑growth, technology‑driven organisation that’s...
Lead Backend Engineer
- Type
- Permanent
- Salary
- £113,000 - £125,000
- Location
- q, United Kingdom
Role: Lead Backend Engineer Salary: up to 125k Location: East/Central London (x4 days per week onsite) Tech stack includes: NodeJS,...
Senior Android Engineer
- Type
- Permanent
- Salary
- £75,000 - £85,000
- Location
- London , United Kingdom
Senior Android Engineer Our client specializes in providing comprehensive, open, and configurable banking platforms as a service,...
Senior Developer
- Type
- Permanent
- Salary
- £55,000 - £62,000
- Location
- Birmingham, United Kingdom
Senior Software Integration Developer Location: Hybrid, typically one day a week on site in Birmingham Salary: £62,295 Contract Type:...
Salesforce Engineer
- Type
- Permanent
- Salary
- £65,000 - £65,000
- Location
- Baildon, United Kingdom
Key Responsibilities Lead and support the implementation and optimisation of Salesforce Service Cloud Design, develop, and maintain...
Data Engineer
- Type
- Contract
- Salary
- £350 - Per Day
- Location
- London, United Kingdom
Data Engineer We are looking for a Data Engineer to join a consulting engagement focused on designing, building, and optimising robust data...
Data Engineer
- Type
- Permanent
- Salary
- £60,000 - £75,000
- Location
- , United Kingdom
Data Engineer (Databricks essential) £60,000–£75,000 + Benefits Hybrid – 2 days a week in London, Manchester, or Edinburgh Gravitas is...
Lead Data Engineer
- Type
- Permanent
- Salary
- £80,000 - £100,000
- Location
- Manchester, United Kingdom
Lead Data Engineer £80,000 – £100,000 + Bonus | Manchester (3 days hybrid after probation) Gravitas is partnering with a growing financial...
Senior DevOps Engineer
- Type
- Permanent
- Salary
- £80,000 - £100,000
- Location
- London, United Kingdom
DevOps/Platform Technical Lead London • Hybrid (3 days onsite) • £80–100k + benefits Shape the DevOps strategy of a fast ‑ growing London...
Snr Backend Engineer
- Type
- Permanent
- Salary
- £80,000 - £110,000
- Location
- London, United Kingdom
Senior Backend Engineer - 80 to 110k – London Senior Backend Engineers are required to join a fast growing Fintech business that is...
Application Support Engineer
- Type
- Permanent
- Salary
- £55,000 - £55,000
- Location
- Stevenage, United Kingdom
Housing Systems Support Engineer Location: South East England (Hybrid – 2 days per week in-office) Salary: £55,000 + Excellent Benefits...
Senior Backend Engineer
- Type
- Permanent
- Salary
- £80,000 - £90,000
- Location
- ---ENGLAND---, United Kingdom
Role: Senior Backend Engineer Salary range: 80-90k Location: x2 days pw in Central/East London Tech stack includes: Typescript, NodeJS,...
NEC Applications Specialists
- Type
- Permanent
- Salary
- £45,000 - £60,000
- Location
- London, United Kingdom
Multiple NEC Systems Analysts needed on a Permanent basis for a large social housing provider. This is a great time to join, as the...
Product Engineer
- Type
- Permanent
- Salary
- £90,000 - £140,000
- Location
- London , - None Specified -
About the Company Our client is an early-stage, venture-backed technology company building tools that enable teams to collaborate visually...
Principal Engineer
- Type
- Permanent
- Salary
- £110,000 - £120,000
- Location
- London, - None Specified -
Role: Principal Engineer (Backend) Salary range: 100-120k Location: Central London (x2 days per week onsite - Tues & Thurs) Tech stack...

FAQs
What does a JavaScript Developer do?
A JavaScripter works across various specialisms including Frontend, Backend, Fullstack or specific JavaScript frameworks like React, Node, Angular or Vue. They build, maintain and optimise interactive web applications and websites. Their responsibilities include writing clean code, debugging, implementing UI, managing API integrations and cross-browser compatibility.
What qualifications do I need?
To get a job in this field you typically need a foundation in computer science or web development, though degrees aren’t necessary. Many successful JavaScripters are self-taught or have done coding bootcamps. Practical experience through personal projects, internships or junior roles is valuable training. Certifications in JavaScript frameworks or libraries can be helpful but a strong portfolio showing your skills is often more important.
How long does it take to become a JavaScript professional?
The path varies greatly depending on your learning approach. Coding bootcamps can give you a foundation in 3-6 months, university degrees take about 3 years. Most employers look for at least 1-2 years of experience so the full journey takes 2-4 years. Continuous learning is essential as JavaScript frameworks and best practices change fast.


What skills are required?
Core JavaScript, HTML, CSS. Knowledge of React, Vue.js, Node.js. Git, testing, responsive design and browser dev tools are all useful. Problem solving, attention to detail, good communication skills to work with designers, product managers and other developers.
What are main areas of work?
Frontend (user interfaces), backend (Node.js), fullstack, mobile (React Native) and e-commerce solutions. There are also corporate websites to complex web applications, online retail platforms and progressive web apps.
What’s the job outlook?
Very good. JavaScript is one of the most used languages and as all businesses big and small invest in their online presence the demand for JavaScript Developers will be strong for the foreseeable future.


What’s the typical remuneration for a JavaScript Developer?
The average salary varies depending on expertise, experience and location. In the United Kingdom, entry level positions start at approximately £30,000 per annum. Mid-level Developers £40,000-£60,000, Senior Developers or specialists in high demand frameworks £70,000-£90,000 or more, especially in London and other tech hubs.
What are the career progression opportunities?
Senior Developer, Lead Developer, Technical Architect. Many JavaScript Developers move into engineering management, specialise in a particular framework or transition into consultancy roles. Some start their own development agencies or work as freelancers for more flexibility. Learning new frameworks and technologies can really boost your career.
Why is continued learning important?
You need to stay up to date with the fast-moving JavaScript ecosystem, new frameworks, libraries and best practices. The field changes quickly because of major updates to popular frameworks and new tools come out regularly. Staying current means, you can deliver modern, efficient solutions and stay competitive in the job market.
