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MongoDB Engineer

Exclusive opportunity

Onsite

MongoDB Engineer

Capstone IT Staffing

MongoDB Engineer

Skills

SQL QueriesMongoDBJavaMicroservicesSpring BootPostgreSQLAWSOracle

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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