{"id":2941089,"url":"https://alion.io/job/one-federal-solution-library-support-backend-developer","title":"Library Support Backend Developer","company":{"id":678355,"name":"One Federal Solution","domain":"onefederalsolution.com","url":"https://alion.io/company/onefederalsolution","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":79,"open_postings":7,"ghost_share":0,"stale_share":0.857,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Beltsville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":110000,"max_usd":238000,"period":"year","method":"role_country_seniority_unknown","sample_n":9411},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"GraphQL","optional":false},{"name":"Linux","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-20T17:18:45Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-28T06:21:40Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"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.\nKey Responsibilities\nProvide backend development support for the NAL Library Support System, including the maintenance and enhancement of database-driven applications and APIs.\nApply AI techniques to extract structured information from diverse scientific publications.\nDevelop, maintain, and enhance applications using Python, Django, GraphQL, REST APIs, SQL Server, MySQL, and related technologies.\nSupport the modernization and technology refresh of legacy applications and systems.\nDesign, develop, test, and maintain scalable backend services and integrations.\nCollaborate with Systems Analysts and Project Coordinators to evaluate existing applications and define migration and modernization strategies.\nUtilize version control systems, including Git and GitHub, to manage source code and development workflows.\nDevelop and maintain containerized applications using Docker.\nWork effectively in Linux environments, including command-line utilities and system administration tasks.\nEnsure applications comply with modern web development standards and best practices.\nSupport accessibility compliance by ensuring ICT deliverables meet Section 508 requirements and WCAG 2.x AA standards.\nDeliver high-quality customer service while working collaboratively with technical teams and stakeholders.\nWork independently and collaboratively in an Agile development environment.\nRequired Qualifications\nMinimum of 6 years of professional experience developing enterprise applications using database technologies including SQL Server and MySQL.\nExtensive experience developing applications using Python, Django, GraphQL, REST APIs, and Linux command-line environments.\nExpert knowledge of modern web development standards and practical implementation experience.\nExperience applying AI techniques to extract structured information from diverse scientific publications.\nExperience modernizing and performing technology refreshes for legacy systems.\nMinimum of 2 years of experience working with open-source technologies and tools.\nProficiency with version control systems, including Git and GitHub.\nExperience with containerization technologies such as Docker.\nExperience working with relational databases, including MySQL and PostgreSQL.\nStrong knowledge of Linux operating systems, command-line tools, and utilities.\nExpert knowledge of HTML, XHTML, and CSS standards with practical development experience.\nKnowledge of U.S. Web Design Standards and the USDA Digital Strategy Playbook.\nMinimum of 2 years of practical experience performing Section 508 conformance testing and remediation of Information and Communication Technology (ICT) deliverables.\nPractical experience ensuring ICT deliverables comply with WCAG 2.x AA accessibility standards or higher.\nDemonstrated ability to collaborate effectively with cross-functional teams while also working independently.\nExcellent communication and customer service skills.\nAbout One Federal Solution:\nOne 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.","description_format":"text","description_chars":4154,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-20T17:18:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.899,"p_room":1,"age_days":7,"expected_fill_days":40,"reasons":["conf:4","velocity","win:early"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/one-federal-solution-library-support-backend-developer","json_url":"https://alion.io/job/one-federal-solution-library-support-backend-developer.json","meta":{"generated_at":"2026-10-28T09:50:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":12879,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":678355},"rest":"https://alion.io/mcp/rest/get_company?id=678355"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fone-federal-solution-library-support-backend-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fone-federal-solution-library-support-backend-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fone-federal-solution-library-support-backend-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/one-federal-solution-library-support-backend-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fone-federal-solution-library-support-backend-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2941089}},{"tool":"search_jobs","arguments":{"company":"onefederalsolution.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2941089},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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