Rust Backend Engineer – Build Scalable Distributed Systems

iO Associates is seeking a Backend Software Engineer in London for a hybrid role. You will design and implement distributed backend systems, storage, and platform primitives using Rust with Python at API boundaries, contributing to scalable data pipelines and services.

You will join a small, autonomous team at an early-stage company, shaping product direction, customer value, and engineering culture while balancing rapid delivery with robust, well-architected solutions.