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Open nowPosted 6 hours ago

Application Software Developers/Engineer

One Federal Solution

Where
Beltsville, MD, United States
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Your applicationOpen nowApplication Software Developers/EngineerOne Federal Solution · Beltsville, MD, United States

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Share of postings closed within
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  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.7%14 days
  5. 35.6%30 days
  6. 58.0%60 days
This job: posted 6 hours ago

The posting

We are seeking motivated Application Software Developers/Engineers at the Senior, Intermediate, and Junior levels to support the USDA National Agricultural Library (NAL) scientific research data applications. This position provides Operations and Maintenance (O&M) support and application development for scientific data platforms including GeoData (open-source software), Ag Data Commons (SaaS platform with local data harvests), and related scientific research data products.

The ideal candidate will have experience developing modern web applications, designing microservices, supporting scientific data repositories, and working within Linux-based environments using open-source technologies.

Task and Duties:

  • Provide Operations and Maintenance (O&M) support for NAL scientific research data applications.
  • Design, develop, and maintain microservices supporting scientific data ingest, processing, and data egress.
  • Develop and maintain system architecture documentation, API specifications, technical diagrams, and data models.
  • Support application enhancements, software updates, testing, troubleshooting, deployment, and production releases.
  • Configure and maintain SaaS application environments, including application configuration updates and data migration activities.
  • Develop repository reporting dashboards and analytics for scientific repository usage and statistics.
  • Design and implement RESTful APIs supporting internal and external integrations.
  • Develop and execute testing protocols, quality assurance (QA) processes, automated testing, and UI testing.
  • Support ETL processes and data migration activities for application modernization efforts.
  • Ensure applications comply with federal accessibility standards, including Section 508 and WCAG 2.x AA requirements.
  • Troubleshoot production issues and provide technical support throughout the software development lifecycle.
  • Participate in Agile development activities including sprint planning, code reviews, and technical documentation.
  • Collaborate with federal stakeholders, developers, data managers, and system administrators to deliver high-quality software solutions.

Required Qualifications

  • Bachelor's degree in Computer Science, Information Systems, Engineering, or a related technical discipline (or equivalent experience).
  • Minimum 5 years of professional experience developing customized applications.
  • Demonstrated experience with:
  • XML transforms and XML Schema
  • JavaScript frameworks (Angular preferred)
  • JSON
  • HTML5
  • OpenLayers 3
  • Groovy
  • PostgreSQL
  • PostGIS
  • Linux command-line tools
  • Drupal
  • Python or other scripting languages
  • RESTful API design and implementation
  • Minimum 1 year of experience working with open-source software and tools.
  • Experience designing and implementing microservices-based architectures.
  • Familiarity with containerization technologies (Docker, Kubernetes, or similar).
  • Experience developing metadata-driven microservices supporting scientific data ingest and egress.
  • Experience with ETL processes, data migration tools, and application configuration updates.
  • Experience with scientific metadata creation, curation, and repository management tools.
  • Experience deploying and maintaining web applications in production environments.
  • Experience working with geographic information systems (GIS) and geospatial data applications.
  • Strong experience with relational databases including PostgreSQL and MySQL.
  • Experience using Git/GitHub version control.
  • Strong Linux administration and command-line proficiency.
  • Expert knowledge of HTML, XHTML, CSS, and responsive web development.
  • Knowledge of the U.S. Web Design System (USWDS) and USDA Digital Strategy Playbook.
  • Minimum 2 years of practical experience performing Section 508 testing, remediation, and accessibility compliance.
  • Practical experience ensuring applications meet WCAG 2.x AA accessibility requirements.
  • Excellent communication, collaboration, analytical, and customer service skills.
  • Ability to work independently and within cross-functional teams.

About One Federal Solution: One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves in thinking outside the box to co-create with our customers, helping them achieve excellent enterprise-wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing people who deliver high performance and excellence to our government partners.

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