Senior Backend Engineer — Lead Multi-Service Platform

Go City Group; Greater London; Hybrid; GBP 72,000 - 90,000; Full time

Job summary

Go City Group is seeking a Senior Backend Software Engineer in London to own end-to-end delivery of core backend services. You will work across microservices, ensuring secure, observable systems and high reliability while aligning technical work with business outcomes such as pass sales and partner transactions.

The role focuses on deep backend expertise with Java/Spring Boot, TypeScript, AWS and Kubernetes, plus mentoring teammates and driving cross-team collaboration within the Engineering

Qualifications

• Design backend solutions across multiple services or components.
• Own testing, release reliability and monitoring.
• Experience with Java/Spring Boot, TypeScript, AWS, Kubernetes.
• Mentor colleagues and lead cross-team discussions.

Responsibilities

• Plan and own delivery of backend projects end-to-end—design, build, release and production monitoring.
• Break large work into small, releasable slices and manage dependencies with other teams.
• Use data and metrics to identify delivery bottlenecks and adjust scope accordingly.
• Connect technical work to business outcomes such as passes and transactions.
• Build knowledge of adjacent disciplines to spot cross-team improvements.
• Design backend solutions spanning multiple services and document trade-offs.
• Define test strategies prioritising security, performance and accessibility.

Skills

Java / Spring Boot

TypeScript

AWS

Kubernetes

Observability

Security

Tools

PostgreSQL

DocumentDB

Kafka

Job description

Go City Group is seeking a Senior Backend Software Engineer in London to own end-to-end delivery of core backend services. You will work across microservices, ensuring secure, observable systems and high reliability while aligning technical work with business outcomes such as pass sales and partner transactions.

The role focuses on deep backend expertise with Java/Spring Boot, TypeScript, AWS and Kubernetes, plus mentoring teammates and driving cross-team collaboration within the Engineering