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...
Powerplatform Developer x2
- Type
- Contract
- Salary
- Competitive
- Location
- Manchester , United Kingdom
Role: Power Platform Developer Contract Length: Initial 3 Months (Strong likelihood of extension to 12 months) Location: Hybrid – 1 day...
Senior/ Lead Software Engineer
- Type
- Permanent
- Salary
- £70,000 - £80,000
- Location
- London, United Kingdom
Senior/ Lead Software Engineer (C#) Hybrid: London (3 days/week on-site) Salary: up to £80,000 Role overview Gravitas is working with a...
Senior Data Engineer
- Type
- Permanent
- Salary
- £55,000 - £60,000
- Location
- leeds, United Kingdom
Senior Data Engineer (AWS) Location: Leeds (Hybrid – 2 days on-site) Salary: up to £60,000 Gravitas is working with a multinational energy...
NEC Developer
- Type
- Permanent
- Salary
- £55,000 - £59,000
- Location
- London, United Kingdom
Lead Developer (Housing Systems) Salary: £54k – £57k + Benefits | Permanent | London (Public Sector) Want to use your tech skills for...
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 -...
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,...
Tech Lead
- Type
- Permanent
- Salary
- £90,000 - £105,000
- Location
- London, United Kingdom
Role: Lead Engineer Salary range: 90-105k (+ 10% pension employer contribution!) UK/EU remote or central London office for those that wish...
Senior Infrastructure Engineer
- Type
- Contract
- Salary
- £400 - Per Day
- Location
- South Yorkshire, United Kingdom
Overview We are seeking an experienced Infrastructure Engineer to join our team in South Yorkshire, United Kingdom. This role is ideal for...
Senior Infrastructure Engineer
- Type
- Permanent
- Salary
- £55,000 - £65,000
- Location
- Sheffield, United Kingdom
Enterprise Infrastructure Engineer Location: South Yorkshire (Hybrid) Salary: £65,000 Gravitas is partnered with a leading organisation...
Dynamics Developer
- Type
- Contract
- Salary
- £500 - Per Day
- Location
- Newcastle-under-Lyme , - None Specified -
We’re working with an organisation looking to appoint an experienced Dynamics 365 CE & Power Platform Consultant. Key Details Role:...
Senior IOS Engineer
- Type
- Contract
- Salary
- £300 - Per Day
- Location
- London, United Kingdom
Contract Type: 6-Month Contract (Outside IR35) Salary: £300 per day Location: London, Greater London, United Kingdom Working Arrangement:...
Lead Data Engineer
- Type
- Permanent
- Salary
- £70,000 - £90,000
- Location
- London, United Kingdom
Lead Data Engineer- London (3 days/week on ‑ site)- Up to 90k (DOE) One of my key clients in the Green-Energy sector are looking for a Lead...
Senior Data Engineer
- Type
- Permanent
- Salary
- £80,000 - £100,000
- Location
- New York, United States
We are seeking a highly skilled and experienced Senior Data Engineer to join our client's AI technology team in London. In this role, you...
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...
Salesforce/nCino Developer
- Type
- Permanent
- Salary
- £70,000 - £75,000
- Location
- City of London, United Kingdom
We are seeking a skilled and experienced Salesforce/nCino Developer to support our client's growing technology initiatives within the...
Civica CX Reporting Developer
- Type
- Contract
- Salary
- Competitive
- Location
- Remote, United Kingdom
Industry: Social Housing Day rate: £350 per day (range £300–£400) IR35: Outside IR35 Location: London (Remote) Start date: 2nd March 2026...
Senior Full Stack (AI) Engineer
- Type
- Permanent
- Salary
- £100,000 - £120,000
- Location
- New York, United States
Role: Senior Product Engineer (AI focussed) Salary range: 100-140k Location: hybrid x2 days pw in London Tech stack includes: React,...
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.
