Senior MongoDB Performance Engineer
VMC Soft Technologies, Inc · Austin, TX · 1 wk ago
On-siteEngineeringContract
About the Role
We are seeking a Senior MongoDB Performance Engineer to optimize and manage MongoDB clusters at scale.
Responsibilities
- Performance tuning of MongoDB clusters, queries, indexes, and schemas
- Design and implement sharding strategies, shard keys, resharding plans, and zone strategies
- Optimize queries using explain-plan and profiler-driven techniques
- Operate and monitor sharded clusters, including balancer management and hot chunk resolution
- Automate MongoDB operations using scripting (Python)
- Understand and tune WiredTiger internals: cache, eviction, checkpoints, journal, compression, and document-level concurrency
- Manage replication and sharding operations at scale, including shard-key design trade-offs
Requirements
- Expert-level proficiency in MongoDB, including the aggregation framework, indexing strategy, and read/write/read-concern semantics
- Strong experience in performance tuning of MongoDB clusters
- Experience designing and operating sharded clusters
Nice to Have Skills
- MongoDB certification
- Experience with Kubernetes operators for stateful MongoDB deployments
- Infrastructure-as-Code (Terraform/Ansible)