Mission-Critical Backend Engineer (Rust/Distributed)

Dex; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Dex is seeking a backend engineer to join a team building a mission-critical AI-powered defence intelligence platform. You will work on a Rust and Python-based stack, designing features and infrastructure for reliable, low-latency operation in edge and embedded environments.

Expect challenging fault-tolerant systems, extreme connectivity conditions, and rigorous RFC-driven development with code reviews. You will collaborate with open-source contributors and apply cutting-edge techniques to

Qualifications

• Backend developer with strong experience in systems languages and distributed systems.
• Experience with edge computing and latency optimization.
• Familiarity with REST, GraphQL, gRPC/Protobuf, and Arrow.
• Experience with Rust or a comparable language.

Responsibilities

• Design and implement features and infrastructure for a mission-critical backend.
• Engineer for extreme conditions: intermittent connectivity and embedded systems.
• Ensure robustness through testing and benchmarking.
• Join a Rust and Python-based stack and learn from open-source contributors.

Skills

Rust

Distributed systems

Edge computing

Latency optimization

API/Backend interfaces

Platform engineering

Tools

REST

GraphQL

gRPC/Protobuf

Apache Arrow

Job description

Dex is seeking a backend engineer to join a team building a mission-critical AI-powered defence intelligence platform. You will work on a Rust and Python-based stack, designing features and infrastructure for reliable, low-latency operation in edge and embedded environments.

Expect challenging fault-tolerant systems, extreme connectivity conditions, and rigorous RFC-driven development with code reviews. You will collaborate with open-source contributors and apply cutting-edge techniques to