Senior Distributed Caching Engineer (Go/Java) – Hybrid

DoorDash; San Francisco (CA); Hybrid; USD 160,000 - 235,000; Full time

Benefits offered by this job

401k plan with employer matching

Paid parental leave

Wellness benefits

Commuter benefits match

Paid time off

Paid sick leave

Medical, dental, and vision benefits

11 paid holidays

Disability insurance

Life insurance

Family-forming assistance

Mental health program

Job summary

DoorDash is seeking a senior backend engineer to scale the caching stack and distributed storage services within the Storage organization. You will own high-leverage caching and locking systems, drive Boulder’s evolution, and re-platform the Distributed Lock Service for strong consistency.

The role is hybrid and requires proximity to San Francisco, Seattle, or the New York metro area. You will collaborate with cross-functional teams across DoorDash, Wolt, and Deliveroo, contributing to cost

Qualifications

• 6+ years of full-time experience designing, building, and operating distributed, stateful systems in production.
• Proficiency in Go, or Java/Kotlin with concurrency and backend expertise.
• Hands-on experience with distributed caching technologies and their failure modes: replication lag, failover, hot keys, cache invalidation.

Responsibilities

• Own high-leverage caching and locking services with direct operational impact: cost, latency, and reliability at multi million QPS scale.
• Build and scale Boulder, the KVRocks-backed key-value store, including sharding and domain isolation.
• Re-platform the Distributed Lock Service onto a strongly consistent backend with sharding.
• Contribute to standardized smart caching clients with failover, retry, and observability defaults.
• Diagnose production issues spanning cache invalidation storms, replication lag, and hot shards, turning fixes into durable guardrails.
• Collaborate with Taulu, ML Platform, and product engineering across DoorDash, Wolt, and Deliveroo.

Skills

Distributed systems

Go

Java/Kotlin

Distributed caching

Concurrency

AI coding tools

Tools

ElastiCache

Valkey

Memcached

KVRocks

Job description

DoorDash is seeking a senior backend engineer to scale the caching stack and distributed storage services within the Storage organization. You will own high-leverage caching and locking systems, drive Boulder’s evolution, and re-platform the Distributed Lock Service for strong consistency.

The role is hybrid and requires proximity to San Francisco, Seattle, or the New York metro area. You will collaborate with cross-functional teams across DoorDash, Wolt, and Deliveroo, contributing to cost