Javascript Developer

Job description

Full Stack ReactJS Engineer

AdTech -London, Hybrid

Scalers HQ is proud to be partnering with an innovative and fast-growing Media organisation in London. We are looking for a Full Stack JavaScript Engineer to join their collaborative tech team.

You'll play a key role in delivering cutting-edge AdTech analytics solutions, reporting directly to the Head of Engineering. This is a fantastic opportunity to work in a high-impact environment alongside experienced engineers and product specialists, helping to shape the future of media technology.

Key Responsibilities

• Develop and maintain scalable, high-quality JavaScript (ReactJS/TypeScript) code
• Collaborate closely with engineering and product teams to deliver new features and tools
• Contribute to backend services using Node.js
• Work with systems such as Redux for efficient state management
• Ensure code quality through testing frameworks
• Build and deploy using AWS cloud infrastructure

Skills & Experience Required

• Strong commercial experience with ReactJS
• Solid understanding of Node.js
• Experience with Rest API's and GraphQL
• Familiarity with testing - A/B Testing/Web Testing/Web Performance
• Proficient with Playwright/Cypress/Jest

If the above is of interest, please apply with an updated copy of your CV and a member of the Scalers team will be in touch.

Extra information

Status

Open

Education Level

Secondary School

Location

United Kingdom

Type of Contract

Full-time jobs

Published at

01-03-2026

Profession type

ICT

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English