Backend Engineer (Golang)

📍 Hybrid – 1 day per week in Central London

💰 £70,000 - £80,000 DOE + Excellent Benefits

We're partnering with an innovative AdTech business that is scaling its platform and looking to add a talented Backend Engineer with Golang experience to its growing engineering team.

This is an opportunity to work on high-performance, distributed systems that process large volumes of data in a fast-paced environment. You'll play a key role in designing, building, and optimising backend services, helping to drive the scalability, reliability, and performance of a cutting-edge advertising platform used by leading brands.

Working within a collaborative, cross-functional engineering team, you'll have the chance to influence technical decisions, contribute to architecture discussions, and build solutions that have a direct impact on the business.

What You'll Be Doing

• Developing and enhancing backend microservices using Golang
• Building scalable, reliable, and high-performing systems
• Designing and integrating RESTful APIs
• Collaborating with Product, Engineering, and wider business teams to deliver new features
• Contributing to system architecture and technical improvements
• Supporting frontend development where required using modern JavaScript frameworks

What We're Looking For

• Commercial experience developing backend applications with Golang
• Experience building and consuming RESTful APIs
• Understanding of microservices architecture
• Frontend experience is beneficial, particularly with Vue.js and Nuxt.js
• A passion for clean code, performance optimisation, and scalable system design

Why Join?

• Work for a growing and innovative AdTech company
• Exposure to modern Golang microservices architecture
• Hybrid working – just 1 day per week in the London office
• Genuine opportunity to influence technology and product direction

Benefits

• 25 days annual leave
• Healthcare Cash Plan
• Discounted gym membership
• Life, Critical Illness & Dental Insurance
• Enhanced parental leave
• Regular team socials including table football and table tennis