MongoDB DBA (Database Administrator) - Contractor (F

Salary: 8. 000 - 15. 000 RON net per month

• Proven experience managing and optimizing MongoDB databases in large-scale environments.
• Strong expertise in query optimization, indexing, and improving database structures.
• Experience with big data systems, capable of handling millions of requests per second.
• Ability to design scalable and expandable database systems for future growth.
• Strong problem-solving skills and a proactive approach to monitoring and addressing performance issues.

• Database Management: Ensure the performance, integrity, and security of our MongoDB databases, which support millions of requests per second.
• Query Optimization: Work closely with our development team to review and optimize complex database queries, improving response times and resource efficiency.
• Database Design: Recommend and implement database structures that support current operations and future scalability, focusing on big data environments.
• Collaboration: Collaborate with backend developers, advising on database-related topics, including API integrations and performance bottlenecks.
• Monitoring & Troubleshooting: Proactively monitor database systems, resolve any issues, and ensure the databases are prepared for large-scale traffic surges.

• API
• AWS
• Big Data
• Backend
• Cloud
• Cassandra
• Support
• MongoDB
• MySQL
• NoSQL
• Security
• NodeJS
• PostgreSQL
• SQL

More:

We are a non-European, international company with a global client base, now expanding our operations into Romania. Our core values revolve around innovation, scalability, and delivering cutting-edge solutions to complex data challenges. We pride ourselves on building a collaborative and diverse team, united by a shared mission to optimize data infrastructures for a world increasingly driven by big data.

We offer long-term career opportunities, starting with a 1-year contractor role that automatically renews. You will be part of an exciting journey to help us grow and scale our data-driven projects to serve clients worldwide. If you thrive in a fast-paced, dynamic environment and have a passion for managing large-scale databases, we’d love to hear from you!

last updated 29 week of 2026