Mid Level Core Developer

Stcnet; Silver Spring (MD); On-site; USD 65,000 - 100,000; Full time

Benefits offered by this job

Health

Dental

Vision

FSA

Life

Disability

401K (matching)

Tuition reimbursement

Bonus/incentive programs

Various other plans

Job summary

STC is seeking a Mid-Level Core Developer in Silver Spring, MD to support the Consolidated Cumulus Core software team within the EOSDIS Evolution and Development program. The role focuses on building scalable infrastructure, maintaining core software, and sustaining system health through CI/CD pipelines, performance testing, and proactive incident response.

The candidate will design, develop, and optimize foundational Cumulus software, integrate AWS services (S3, Lambda, RDS), and contribute to

Qualifications

• 4+ years' software engineering experience with Agile development (Scrum/SAFe)
• Atlassian tool suite (JIRA/Confluence/Bamboo) experience
• Developing on MacOS X and deploying to Red Hat Enterprise Linux
• Automated testing, CI/CD integration, and documentation standards
• Root cause analysis for high-level system errors and bottlenecks

Responsibilities

• Design, develop, and optimize Cumulus software for scalable operations.
• Develop and optimize Core software, including internal libraries and APIs.
• Integrate AWS data backup and preservation with S3 versioning, cross-region strategies.
• Produce and manage software documentation for features.
• Execute CI/CD and performance testing for updates.
• Maintain automated unit/integration tests and system health monitoring.
• Address bugs per SLA and perform RCA to prevent recurrences.

Skills

Agile development

CI/CD pipelines

Automated testing

Root cause analysis

Education

Bachelor's Degree

Tools

AWS

S3 versioning

IAM

Lambda

Step Functions

RDS

JIRA

Confluence

Bamboo

MacOS X

Red Hat Enterprise Linux

Job description

Share this job as a link in your status update to LinkedIn.

Job Title

Mid Level Core Developer

Location

SILVER SPRING, MD 20910 US (Primary)

Category

Job Type

Full-Time

$65,000

$100,00

Education

Bachelor's Degree

Security Clearance Required

None

Job Description

About STC

STC is a science, sensors, and systems company founded in 1979. We continually expand our Earth and Space Sciences support capabilities to NASA, NOAA, DoD, and other Federal and State agencies. Our staff support many of the operational missions that monitor the heartbeat of our planet through a growing number of Earth Observing System of Systems platforms and direct field research. We also research and investigate leading-edge observing technologies and assist in their integration into operations.

STC offers competitive benefits to include

• health
• dental
• vision
• FSA
• life
• disability
• 401K (matching)
• tuition reimbursement
• bonus/incentive programs
• various other plans

Overview

The 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
• 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.

We are equal opportunity/affirmative action employers, committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status, or any other protected characteristic under state or local law.