Senior Software Engineer, Rust

Ditto is a fast-growing startup redefining data movement at the edge, ensuring seamless connectivity for real-time applications. As a Senior Rust Engineer, you will design and maintain performance-critical components of Ditto's core platform, collaborating with a distributed team to ensure that millions of devices stay in sync reliably and efficiently. Responsibilities: Design, build, and maintain performance-critical components of Ditto's core platform, written primarily in Rust; Contribute to one or more areas: sync protocol, CRDT engine, networking transports (Bluetooth, P2P Wi-Fi, TCP/QUIC), query execution (DQL), or SDK packaging and FFI layers; Write robust, well-tested code that operates correctly under distributed, offline, and resource-constrained conditions; Collaborate on API design, making our SDKs a great experience for developers across platforms; Debug complex concurrency issues, race conditions, and distributed system anomalies in production environments; Review code thoughtfully, raise the quality of the codebase, and help grow the team through mentorship and documentation Qualifications: 4+ years of professional software engineering experience, with at least 2 years writing production Rust; Deep understanding of Rust's ownership model, type system, async/await, and the broader ecosystem (Cargo, Tokio, Serde, etc.); Solid grasp of systems programming fundamentals: memory management, concurrency, networking, and I/O; Experience working on distributed systems, embedded environments, or performance-sensitive infrastructure; Strong debugging skills across async, multi-threaded, and cross-platform contexts; Excellent written communication — we're a distributed team and async clarity matters Required Skills: Rust, Distributed systems, Concurrency, Memory management, Networking, I/O, Debugging, Async/await, CRDTs, P2P networking, FFI, Mobile systems