Capstone IT Staffing
MongoDB Engineer
Skills
9 days ago
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Important information
Contract type:
Permanent
Location:
United States
Work mode:
Onsite
Published on:
16 October 2026
What they need
Candidates MUST be USC or GC.
MongoDB Engineer / Java Developer
We are seeking an experienced **MongoDB Engineer with a strong Java development background** to support the modernization and migration of existing Java-based applications and data solutions to MongoDB. The ideal candidate will have hands-on experience with Java, MongoDB, database migrations, and application integration.
Key Responsibilities
- Design, develop, and implement MongoDB solutions to support existing Java applications.
- Lead and support migration efforts from existing Java-based data solutions to MongoDB.
- Analyze existing Java applications, data structures, and database dependencies to identify migration requirements.
- Develop and optimize Java applications that integrate with MongoDB.
- Design MongoDB collections, document schemas, indexes, and aggregation pipelines.
- Ensure data integrity, performance, scalability, and security throughout the migration process.
- Troubleshoot and resolve issues related to Java and MongoDB integration.
- Collaborate with architects, developers, and business teams to support modernization initiatives.
- Perform database performance tuning, query optimization, and testing.
Required Qualifications
- Strong hands-on experience with **MongoDB and Java**.
- Experience with database migrations and modernization projects.
- Strong understanding of MongoDB architecture, document modeling, indexing, and aggregation.
- Experience with Java, Spring Boot, REST APIs, and microservices.
- Experience integrating Java applications with MongoDB using MongoDB drivers or Spring Data MongoDB.
- Strong understanding of relational and NoSQL databases.
- Experience with data migration, transformation, and validation.
- Strong troubleshooting, problem-solving, and performance optimization skills.
Preferred Qualifications
- Experience migrating applications from relational databases such as Oracle, SQL Server, or PostgreSQL to MongoDB.
- Experience with AWS or other cloud platforms.
- Familiarity with CI/CD pipelines and DevOps practices.
- Experience with large-scale enterprise application modernization.
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