Senior MongoDB Specialist – High-Volume Data Modeling

Keystone Digital

Freelance · Remote · Flexible hours

About the role

Keystone Digital is preparing a major app store launch that requires tight mobile and backend alignment. We need a MongoDB Specialist to design, optimize, and integrate data pipelines that power real‑time features across iOS and Android clients.

Key responsibilities

• Design schema and indexing strategies for high‑throughput mobile workloads
• Implement aggregation pipelines that support push notifications and in‑app analytics
• Collaborate with frontend engineers to define API contracts and data validation rules
• Perform load testing and tune performance for peak launch traffic
• Document data models and migration steps for future releases

Must-have skills

• Deep experience with MongoDB deployment, sharding, and performance tuning
• Strong JavaScript/NodeJS background for server‑side logic
• Familiarity with RESTful API design for mobile consumption
• Ability to work independently and meet tight release deadlines

Nice to have

• Experience with mobile backend frameworks such as Firebase or Amplify
• Knowledge of CI/CD pipelines for database migrations