Senior Backend Engineer - Architect & Scale Systems

Confidential; Greater London; On-site; GBP 80,000 - 110,000; Full time

Job summary

United States Digital Space LLC in Greater London is seeking a Senior Backend Engineer to lead complex backend systems design and maintenance. You will contribute to high-quality software delivery and mentor junior engineers.

The ideal candidate will have over 7 years of experience in backend engineering, with a strong focus on Java and experience in distributed systems. This role emphasizes collaboration and technical clarity.

Qualifications

• 7+ years of backend engineering experience with critical systems in production expertise.
• Proven expertise in Java (Spring Boot) and strong familiarity with Python.
• Experience with distributed systems design and event-driven architectures.

Responsibilities

• Take ownership of complex backend systems from design through production.
• Lead technical discussions and document trade-offs clearly.
• Mentor junior and mid-level engineers through code reviews.

Skills

Java (Spring Boot)

Python

PostgreSQL

AWS

Microservices architecture

Event-driven architecture

Data pipelines

Tools

Kinesis

Terraform

GitHub Actions

Node.js

TypeScript

Next.js

React

Job description

United States Digital Space LLC in Greater London is seeking a Senior Backend Engineer to lead complex backend systems design and maintenance. You will contribute to high-quality software delivery and mentor junior engineers.

The ideal candidate will have over 7 years of experience in backend engineering, with a strong focus on Java and experience in distributed systems. This role emphasizes collaboration and technical clarity.