Software Development Engineer, ElastiCache

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. The team owns the core in-memory engine powering millions of customer workloads: the data path, durability layer, replication protocol, snapshot system, and advanced data structures. Customers include Disney+, Snap, Zoom, Lyft, Airbnb, and hundreds of thousands of other AWS customers who rely on sub-millisecond performance at scale. Key Responsibilities

Design and build the next-generation in-memory database engine delivering sub-millisecond latencies and millions of operations per second. Develop large-scale distributed in-memory storage systems in C/C++, extending open-source Valkey with durability, replication, and advanced data structure capabilities. Build and optimize the durability layer — transaction logging, snapshotting, and replication protocols — enabling Multi-AZ data protection. Design and implement advanced...