Software Development Engineer, AWS MemoryDB

Job description

This is an opportunity to join one of AWS's most foundational and high-impact engineering teams — the Data Plane team within Amazon ElastiCache and MemoryDB. We own the core in-memory engine that powers millions of customer workloads: the data path, durability layer, replication protocol, snapshot system, and advanced data structures. Our work sits at the intersection of systems programming, database internals, and performance engineering — every microsecond matters when you're serving the world's most latency-sensitive applications. If you've ever found yourself deep in a conversation about write-ahead logs, copy-on-write fork semantics, lock-free data structures, or memory allocator design — and you want to apply those ideas to a system handling millions of operations per second at cloud scale — this team is where you belong. We build the engine behind Amazon MemoryDB, the only Valkey-compatible database that delivers in-memory speed with Multi-AZ durability. We're not just running an open-source cache; we're extending Valkey with novel capabilities — durable replication, active-active conflict resolution, full-text and vector search — while maintaining the sub-millisecond latencies our customers depend on. Our customers include Disney+, Snap, Zoom, Lyft, Airbnb, and hundreds of thousands of other AWS customers who trust us with their most performance-critical workloads.…