Back End Developer

Lead Backend Engineer (Golang)

Location: Hybrid – 2 days per month in London

Salary: £70,000 to £75,000

The Opportunity

We’re working with a fast-growing, global digital platform used by millions of users each month, now scaling into new international markets.

They’re looking for a Senior / Lead Backend Engineer (Golang) to help design and build high-performance, scalable systems powering a high-traffic marketplace.

This is a hands-on engineering role with strong influence over architecture, scalability, and system design.

What You’ll Be Doing

• Build and scale backend services using Golang (Go)
• Design high-performance, distributed systems
• Develop and maintain RESTful APIs and microservices
• Improve system performance, reliability, and scalability
• Work closely with product and engineering teams to deliver new features
• Contribute to technical direction and best practices

Tech Environment

• Golang (Go) – core backend language
• Microservices architecture
• REST APIs + gRPC
• SQL / NoSQL databases
• Containerised environments (Docker/Kubernetes)
• Modern CI/CD pipelines

What We’re Looking For

• Strong commercial experience with Golang (Go)
• Background in backend or distributed systems engineering
• Experience building scalable, high-traffic applications
• Solid understanding of APIs, microservices, and system design
• Comfortable working in a fast-paced, product-led environment

Nice to have (not essential):

• Frontend exposure (any framework)
• Experience with large-scale marketplace platforms

Why Join?

• Work on a high-scale platform with millions of users
• Direct impact on core product and system architecture
• Modern engineering environment with strong technical ownership
• Hybrid working with flexibility
• Clear progression into Lead / Principal level