Job Title
Mid Level Core Developer
Location
SILVER SPRING, MD 20910 US (Primary)
Category
Engineering, General Laborer
Job Type
Full-Time
Compensation Minimum (USD)
$65,000
Compensation Maximum (USD)
$100,00
Education
Bachelor's Degree
Minimum Citizenship Status Required
U.S Citizen or Permanent Resident
Security Clearance Required
None
Job Description
OverviewThe EOSDIS Evolution and Development (EED) program supports NASA's Earth Science Data and Information System (ESDIS) in enabling global, open access to critical Earth observation data. As part of its growing EED support team, STC is seeking a Mid-Level Core Developer to support the Consolidated Cumulus Core software team.
The Mid-Level Core Developer is a technical implementer responsible for engineering and maintaining the foundational software of the Consolidated Cumulus ecosystem. This role focuses on building scalable infrastructure, optimizing core software, and sustaining system health through CI/CD pipelines, performance testing, and proactive incident response. The Mid-Level Core Developer reports to the Consolidated Cumulus Core Product Owner.
Primary Responsibilities- Design, develop, and continuously improve foundational Cumulus software to ensure scalable operations and throughput optimization.
- Develop and optimize Cumulus Core software, including internal libraries and APIs.
- Integrate advanced data backup and preservation technologies into the infrastructure, utilizing AWS S3 versioning, locking, and cross-region/cross-cloud strategies.
- Produce and manage comprehensive software documentation for all developed features.
- Integrate technical requirements and inputs from the Systems Architect, Systems Engineer, and Cloud-Infrastructure Engineer.
- Ensure all architectural and infrastructure designs maintain strict adherence to documented SLAs.
- Execute CI/CD, system testing, and performance testing for all Cumulus Core software updates.
- Maintain standards-driven CI/CD pipelines and provide automated testing support across the broader development effort.
- Maintain comprehensive software documentation and automated unit/integration tests for all new platform features.
- Perform system sustainment tasks, including security updates and Cumulus system health monitoring.
- Address bugs or issues in accordance with the SLA.
- Perform deep-dive root cause analysis (RCA) to prevent recurring technical failures.
- Proactively communicate system status and resolution progress to the Product Owner, Operations Manager, and Data Operations Team Leads.
Job Requirements
- 4+ years' software engineering experience, including Agile development (preferably Scrum or SAFe), using the Atlassian tool suite (JIRA, Confluence, Bamboo), and developing on MacOS X and deploying to Red Hat Enterprise Linux
- Advanced expertise with AWS infrastructure, specifically S3 data management (versioning, locking, bucket policies, IAM), cross-region architectures, Lambda, Step Functions, and RDS
- Proven track record in developing and optimizing core libraries, APIs, and complex software systems
- Demonstrated commitment to automated testing, CI/CD integration, and rigorous documentation standards
- Proficiency in root cause analysis for high-level system errors and infrastructure bottlenecks
- Programming proficiency in JavaScript, Node.js, TypeScript, and Terraform
- Degree in Computer Science, Engineering, or a related technical field
Desired Skills and Experience- Python and React
- Experience developing with AI/ML tools or frameworks
Must be a US Citizen or Permanent Resident / Green Card holder.
