Senior Rust Engineer

Salary: £100,000 - 145,000 per year

Requirements:

• Strong professional experience writing production Rust, including idiomatic design, concurrency, and performance characteristics
• Degree in Computer Science, Software Engineering, or a related technical discipline
• Ability to communicate complex technical concepts clearly to engineers, customers, and stakeholders
• Curiosity about the business and ecosystem our systems serve
• Experience working directly with end-users to diagnose issues, propose solutions, and build trust
• Passion for championing great technology
• Hands-on experience designing distributed microservice or event-driven architectures
• Track record of writing well-tested, scalable Rust code using concurrency patterns, unit and integration testing, containerisation, and CNCF ecosystem tools
• Experience with a cloud platform such as GCP, AWS, or equivalent

Responsibilities:

• Develop and maintain high-performance DTN products, platforms, and APIs, predominantly in Rust, using gRPC and Protocol Buffers
• Architect and scale distributed, cloud-native systems running on Kubernetes
• Own code from design through production, including implementation, debugging, testing, and optimisation
• Modernise and evolve existing capabilities using cutting-edge approaches
• Collaborate across full-stack teams to pair robust backend logic with seamless user experiences
• Translate technical and commercial needs into elegant, maintainable Rust solutions
• Create documentation, tutorials, and sample code for developers and customers using The Relay Network
• Support customer onboarding by guiding integration and ensuring systems perform at scale
• Benchmark and refine performance for large-scale global deployments

Technologies:

• AWS
• Architect
• Backend
• Cloud
• GCP
• Support
• Kubernetes
• Network
• Rust
• gRPC

More:

We are a pioneering UK technology firm redefining global communication networks. We build solutions for environments where standard systems fail, providing resilient, far-reaching connectivity across critical environments. Youll join our core R&D team to help develop the next generation of our technology stack and platform, creating production-grade Rust systems that shape how networks operate worldwide. We offer a Rust-first stack, meaningful work supporting critical communications infrastructure, deep technical autonomy in a small expert team with minimal bureaucracy, and the opportunity to contribute to systems deployed internationally by leading organisations. This is a remote role with a salary of up to £145,000.

last updated 39 week of 2026