Senior Core Platform Engineer - Scalable Backend

United States Digital Space LLC; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Comprehensive Health Coverage

Meaningful Equity

Retirement Savings

Flexible Time Off

Company-Wide Winter Break

Job summary

United States Digital Space LLC is seeking a Senior Software Engineer for its Core Platform team in London. You will design, build, and scale backend services powering authentication, APIs, and multi-tenancy across the platform.

You'll collaborate with product, infrastructure, and AI engineering teams to improve reliability, scalability, and developer experience, while mentoring peers and shaping engineering practice in a fast-moving, hybrid environment.

Qualifications

• Extensive experience building scalable backend systems using Go, Python, Rust, React or similar languages.
• Strong experience designing and operating distributed systems or cloud-native services.
• Experience building APIs, platform services, and infrastructure that other engineers depend on.
• Familiarity with Kubernetes, Docker, and modern cloud platforms such as AWS, GCP, or Azure.
• Strong understanding of software quality, automated testing, observability, and continuous delivery.
• Proven ability to lead technical initiatives from architecture through production.
• Excellent communication skills and the ability to collaborate effectively across engineering, product, and design.

Responsibilities

• Design, build, and maintain scalable backend services powering the company Studio.
• Develop APIs and platform services supporting authentication, resource management, multi-tenancy, and developer workflows.
• Improve reliability, observability, scalability, and performance across core platform infrastructure.
• Partner closely with product, infrastructure, and AI engineering teams to deliver new platform capabilities.
• Evaluate and improve technical architecture, engineering processes, and operational tooling.
• Mentor engineers and help establish engineering best practices across the organization.

Skills

Go

Python

Rust

React

Tools

Kubernetes

Docker

AWS

GCP

Azure

Job description

United States Digital Space LLC is seeking a Senior Software Engineer for its Core Platform team in London. You will design, build, and scale backend services powering authentication, APIs, and multi-tenancy across the platform.

You'll collaborate with product, infrastructure, and AI engineering teams to improve reliability, scalability, and developer experience, while mentoring peers and shaping engineering practice in a fast-moving, hybrid environment.