MongoDB Senior Developer

Requirements:

• 5+ years of relevant experience focused on MongoDB, data migration, or data engineering.
• Strong MongoDB skills, including aggregation pipelines, indexing, and performance optimization.
• Hands-on experience building ETL workflows and bulk migrations with Python and shell scripting.
• Ability to map document-based data to alternative NoSQL models and manage schema evolution.
• Expertise in data validation, checksums, and reconciliation.
• Experience planning and executing cutovers, including rollback preparation and incident response.
• Preferred: Experience with the target NoSQL database, its data modeling, and bulk-loading tools.
• Preferred: Familiarity with AWS, Azure, or GCP services for data transfer, storage, and security.
• Preferred: Background in CI/CD, containerization, and automation for repeatable migration runs.
• Preferred: Experience working in Agile or Scrum environments.

Responsibilities:

• Assess MongoDB collections, schemas, indexes, and data volumes to plan and size the migration.
• Create and optimize MongoDB queries and aggregation pipelines to extract and transform data for the target model.
• Develop and execute bulk export, transformation, and load scripts using Python or shell.
• Map MongoDB documents to the target NoSQL data model, accounting for nested documents, arrays, and differences in data types.
• Improve bulk-load performance through batching, parallel processing, and postponing index creation until after loading.
• Run trial migrations using non-production data to estimate duration and resolve issues before the production migration.
• Validate and reconcile loaded data using collection record counts, checksums, and sample field comparisons.
• Prepare the migration runbook, data mapping documentation, and rollback plan.
• Support the cutover and address post-migration issues.

Technologies:

• AWS
• Azure
• CI/CD
• ETL
• GCP
• Support
• MongoDB
• NoSQL
• Python
• Security
• Cloud

More

We are BCforward, a global IT consulting and workforce solutions firm serving Fortune 500 and government clients. Founded in 1998, we have grown into a full-service business solutions provider, with offices and delivery centers across North America and India. We value long-term relationships, innovation, collaboration, and integrity. This temporary MongoDB Senior Developer role is based in Indianapolis or New Hampshire for five months, with pay of $50–$65 per hour on W-2. We offer competitive compensation and benefits, opportunities to grow through work with global clients, a supportive and inclusive culture, and exposure to advanced technologies and projects. We are an equal opportunity employer committed to an inclusive workplace.

last updated 43 week of 2026