# Library Support Backend Developer

> One Federal Solution · Beltsville, United States · — · Posted 2026-07-31

**Workplace:** on_site

**Department:** USDA - NAL - Application Support Services

## Description

One Federal Solution is seeking an experienced Library Support Backend Developer to support the National Agricultural Library (NAL) Library Support System. The successful candidate will be responsible for backend application development, maintenance, modernization, and enhancement of database-driven applications and APIs. This role also includes applying artificial intelligence techniques to extract structured information from diverse scientific publications while supporting the modernization of legacy systems and collaborating with project teams to deliver innovative technology solutions.

### Key Responsibilities

-   Provide backend development support for the NAL Library Support System, including the maintenance and enhancement of database-driven applications and APIs.
-   Apply AI techniques to extract structured information from diverse scientific publications.
-   Develop, maintain, and enhance applications using Python, Django, GraphQL, REST APIs, SQL Server, MySQL, and related technologies.
-   Support the modernization and technology refresh of legacy applications and systems.
-   Design, develop, test, and maintain scalable backend services and integrations.
-   Collaborate with Systems Analysts and Project Coordinators to evaluate existing applications and define migration and modernization strategies.
-   Utilize version control systems, including Git and GitHub, to manage source code and development workflows.
-   Develop and maintain containerized applications using Docker.
-   Work effectively in Linux environments, including command-line utilities and system administration tasks.
-   Ensure applications comply with modern web development standards and best practices.
-   Support accessibility compliance by ensuring ICT deliverables meet Section 508 requirements and WCAG 2.x AA standards.
-   Deliver high-quality customer service while working collaboratively with technical teams and stakeholders.
-   Work independently and collaboratively in an Agile development environment.

### Required Qualifications

-   Minimum of 6 years of professional experience developing enterprise applications using database technologies including SQL Server and MySQL.
-   Extensive experience developing applications using Python, Django, GraphQL, REST APIs, and Linux command-line environments.
-   Expert knowledge of modern web development standards and practical implementation experience.
-   Experience applying AI techniques to extract structured information from diverse scientific publications.
-   Experience modernizing and performing technology refreshes for legacy systems.
-   Minimum of 2 years of experience working with open-source technologies and tools.
-   Proficiency with version control systems, including Git and GitHub.
-   Experience with containerization technologies such as Docker.
-   Experience working with relational databases, including MySQL and PostgreSQL.
-   Strong knowledge of Linux operating systems, command-line tools, and utilities.
-   Expert knowledge of HTML, XHTML, and CSS standards with practical development experience.
-   Knowledge of U.S. Web Design Standards and the USDA Digital Strategy Playbook.
-   Minimum of 2 years of practical experience performing Section 508 conformance testing and remediation of Information and Communication Technology (ICT) deliverables.
-   Practical experience ensuring ICT deliverables comply with WCAG 2.x AA accessibility standards or higher.
-   Demonstrated ability to collaborate effectively with cross-functional teams while also working independently.
-   Excellent communication and customer service skills.

**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.

## Apply

[Apply at One Federal Solution](https://apply.workable.com/one-federal-solution/j/BF77CCDBCC/apply)

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