PR/095282 | Senior MongoDB Developer

A Japanese IT product company

• Design, deploy, and operate MongoDB environments including standalone setups, replica sets, and sharded clusters.

• Architect and optimize data models to ensure performance and scalability.

• Monitor and analyze MongoDB queries, indexes, and execution plans for performance tuning.

• Implement robust backup, restore, high availability, and disaster recovery solutions.

• Evaluate and execute queries and data imports based on developer requirements.

• Collaborate with DevOps, SRE, Cloud Platform, and Backend teams to advise on system architecture and data-related concerns.

• Document technical specifications, operational procedures, and security standards for database systems.

• Minimum 3 years of hands-on experience with MongoDB in production environments.

• Deep understanding of MongoDB architecture: replica sets, sharding, journaling, write/read concerns.

• Proficiency with MongoDB CLI tools: mongo, mongosh, mongodump, mongorestore, mongotop, mongostat, mongoexport, etc.

• Strong skills in query optimization, index design, and execution plan analysis.

• Experience with monitoring tools such as Prometheus, Grafana, ELK, CloudWatch, Datadog.

• Proficient in shell scripting/Bash.

• Strong system thinking and troubleshooting skills for complex issues.

• Experience running MongoDB on Kubernetes (StatefulSets, PVCs, Operators).

• Familiarity with MongoDB Atlas or other DBaaS platforms.

• Knowledge of database security: encryption-at-rest, TLS, access control, auditing.

• MongoDB certifications (Certified DBA or Developer).

• Experience mentoring junior engineers or cross-functional teams.

• Exposure to other databases such as MySQL/MariaDB or CouchDB.

• Bonuses: Annual Tet bonus, performance bonus, yearly salary review

• Team Activities: Quarterly teambuilding, free company clubs (football, yoga, badminton, etc.)

• Office Perks: Free coffee, tea, and vibrant company events (Women’s Day, Mid-Autumn Festival, Year-End Party, etc.)

• Health & Wellness:

  • Full-salary insurance coverage

  • Premium health insurance

  • Annual health check-ups at top hospitals

  • Wellness-focused office amenities (rest area, alkaline water purifier, etc.)

• Work Culture:

  • Flat, open environment where ideas are welcomed

  • Continuous learning and development with professional training programs

  • Supportive and engaged management team

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