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Senior MongoDB Performance Engineer

Galaxy i Technologies, Inc.Austin, TX🇺🇸United StatesPosted 11 Aug 2026

Why This Role Stands Out

This Senior MongoDB Performance Engineer role at Galaxy i Technologies offers a fantastic opportunity to deepen your expertise in database performance and contribute to cutting-edge projects. If you excel in MongoDB optimization, query tuning, and advanced concepts like WiredTiger internals and sharding, you'll thrive in this impactful, on-site position. Apply now to leverage your skills and grow your career!

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

"C2C or W2 Opportunities"

Job Title : Senior MongoDB Performance Engineer
Work Location:  Austin, TX/SCV, CA (Onsite)

JD

Must Have Skills: 

1. Expert in MongoDB
2. Strong experience in Performance tuning
3. Fluent in the aggregation framework, indexing strategy, and read/write/read-concern semantics.
4. Strong explain-plan and profiler-driven query optimization
5. WiredTiger internals: cache, eviction, checkpoints, journal, compression, document-level concurrency.
6. Replication and sharding operations at scale, including shard-key design trade-offs.
7. Scripting for automation – Python
8. Strong experience with tuning of specific clusters, queries, indexes and schemas
9. Good experience designing sharding strategy and shard keys; plans resharding and zone strategy
10. Strong experience operating and monitoring existing sharded clusters; runs balancer, fixes hot chunks
Nice To Have Skills: 1. MongoDB certification
2. Kubernetes operator experience for stateful MongoDB; Infrastructure-as-Code (Terraform/Ansible).

 if you are interested, kindly share me your resume @ 

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