Contract Type:
Contractor
Location:
City of London
Industry:
IT
Contact Name:
Scott McCormick
Contact Phone:
+44 (0)20 7002 0253
Date Published:
09-Feb-2026
My client, a well known publisher, is looking for a Fullstack Javascript Developer to join their team on an initial 6 month contract.
They are a dynamic team of 6+ people working across three time zones, solving crucial problems and improving one of the most visited websites in the country.
Your role
As a Senior Software Engineer, you will be responsible for leading the development of features, as well as providing technical guidance and mentorship to junior and mid-level team members. Your expertise will be crucial in implementing and maintaining scalable and high-performance software solutions that meet the needs of our stakeholders.
Who are you?
• A software engineer with a passion for writing great code
• You enjoy solving complex problems
• You are always thinking about the underlying software architecture and how we can continually improve it
• You are an advocate of Test Driven Development and understand why it's important
• You are comfortable working in an Agile environment and know the value of the agile ceremonies
• You collaborate well with others and embrace pair programming
• You can understanding of commercial and business requirements
• You have worked alongside or within commercial teams before
You have
• Experience with Functional Programming in Javascript
• Experience with Typescript
• Experience with React
• Experience with Node JS
• Experience in testing frameworks such as Jest, Mocha, Enzyme, Cypress
• Experience with using Agentic LLM tools such as Github Copilot or Claude Code.
• The ability to mentor and coach junior members of the team
Bonus if you have
• Experience in advertising technology
• Experience working for a large publisher
• Experience in working with Webpack
• Experience with CircleCI
• Experience with AWS
• Experience creating API’s
• Ability to performance test high traffic websites