Estuary is a real-time data integration platform that unifies CDC, stream processing, and declarative configuration to simplify complex data movement.The RoleAs a Senior Systems Engineer, you will be a core contributor to our Control and Data Planes, building the high-performance backbone that manages distributed state, ensures sub-second latency, and scales to massive throughput.What You’ll Do- Architect & Build: High-performance components for data plane (stream processing/transport) and control plane (orchestration/state management).- Optimize for Scale: Profile and optimize primarily Rust systems to minimize latency and maximize efficiency.- Solve Distributed Problems: Lead work on fault tolerance, consensus (e.g., Raft), and high-performance networking.- Ensure Correctness: Write production-grade, highly-tested code; participate in thoughtful code reviews.- Collaborate & Mentor: Contribute to design docs and reviews.What We’re Looking For- 8+ years backend development focused on distributed systems or real-time infrastructure- Systems programming expertise in Rust (or Go/C/C++ with desire to master Rust)- Experience with large-scale systems and strong fundamentals (concurrency, memory, networking gRPC/TCP-IP)- Clear communication; practical experience valuedBonus Points For- Data infrastructure background (CDC, Kafka, Flink); open source contributions; startup gritWhy Estuary?- Competitive compensation, equity, and benefits; flexible remote culture; high-autonomy; quarterly offsites in Miami, Austin, Boulder, and New Orleans.