{"id":3431880,"url":"https://alion.io/job/peraton-senior-web-developer-ui-api-integration","title":"Senior Web Developer (UI & API Integration)","company":{"id":722,"name":"Peraton","domain":"peraton.com","url":"https://alion.io/company/peraton","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":17,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":80000,"max":128000,"currency":"USD","period":"year","gross":null,"usd_annual":128000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"FedRAMP","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Agile","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-29T00:55:32Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-10-30T21:00:05Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Peraton Overview\nPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.\nResponsibilities\nPeraton is seeking a Senior Web Developer (UI & API Integration) to lead front-end development and API integration for a federal environmental platform. You will design and implement user interface updates that enable federal users to access new species data for regulatory consultations, ensuring full Section 508 accessibility compliance throughout. This is a fully remote position.\nThe Department of the Interior (DOI), U.S. Fish and Wildlife Service (FWS), and NOAA's National Marine Fisheries Service (NMFS) have identified a critical gap in the federal government's ability to conduct comprehensive Endangered Species Act (ESA) research. While FWS operates an authoritative web-based platform for managing data for terrestrial and freshwater species, it does not currently include NMFS marine and anadromous species data forcing agencies to rely on separate, manual processes. This program closes that gap by integrating marine and anadromous species data into the existing FWS platform, creating a single, unified experience for all ESA-listed species.\nWork Location: Remote\nDay to Day Responsibilities:\nLead platform user interface updates to display new species data alongside existing species, including habitat designations, listing status, and regulatory requirements\nDesign and implement the updated geographic query interface for marine and coastal query types\nDevelop and integrate authorized API connections between the platform front-end and the cloud data layer\nEnsure all UI changes comply with Section 508/WCAG 2.0 Level AA accessibility standards, coordinating with QA Engineers for DHS Trusted Tester Methodology accessibility testing\nProduce Accessibility Conformance Reports (ACRs) using VPAT Version 2.4 Rev 508 for all UI updates\nUpdate the consultation package builder front-end to support new content generation and joint agency consultation package assembly\nContribute to the IPaC UI and Logic Update Package, delivering all front-end UI components, geographic query interface updates, and consultation package builder enhancements with accompanying VPAT documentation for government review\nSupport the demo environment setup for government demonstrations, ensuring the UI is stable and demo-ready\nImplement UI updates based on live consultation feedback from production\nQualifications\nBasic Qualifications:\nBachelor’s degree and 5 years of experience, Master’s degree and 3 years of experience, Associate’s degree and 7 years of experience, HS Diploma and 9 years of experience. \nU.S. Citizenship required; must have the ability to obtain and maintain a Public Trust clearance; all work must be performed within the United States.\n5 plus years of web development experience with a focus on federal application front-end development.\nProficiency in React, Angular, or equivalent modern JavaScript frameworks.\nProficiency in HTML5 and CSS3 for accessible, standards-compliant federal web application development.\nDeep expertise in Section 508/WCAG 2.0 Level AA accessibility standards and DHS Trusted Tester Methodology.\nExperience producing VPAT 2.4 Rev 508 Accessibility Conformance Reports.\nExperience developing and integrating REST APIs in federal web applications.\nExperience with Git or equivalent version control platforms for federal web application code management.\nFamiliarity with federal web development standards and FedRAMP-compliant deployment.\nPreferred Qualifications:\nDHS Certified Trusted Tester certification.\nExperience with geographic query interface development or GIS web integration.\nExperience with federal environmental platforms or consultation systems.\nExperience with Agile/iterative web development on federal programs.\nTarget Salary Range\n$80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.Benefits Statement\nPeraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.\nApplication Statements\nThe application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.EEO\nEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.","description_format":"text","description_chars":6222,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"associate","optional":false},"security_clearance":true,"languages":[]},"benefits":["Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Information Security","Homeland Security","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-10-29T00:55:32Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":12,"reasons":["conf:2","velocity","win:early","comp:brand"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":128000,"is_top_pay":false},"html_url":"https://alion.io/job/peraton-senior-web-developer-ui-api-integration","json_url":"https://alion.io/job/peraton-senior-web-developer-ui-api-integration.json","meta":{"generated_at":"2026-10-30T22:25:55Z","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":13235,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":722},"rest":"https://alion.io/mcp/rest/get_company?id=722"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fperaton-senior-web-developer-ui-api-integration"},{"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%2Fperaton-senior-web-developer-ui-api-integration"},{"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%2Fperaton-senior-web-developer-ui-api-integration"},{"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/peraton-senior-web-developer-ui-api-integration\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fperaton-senior-web-developer-ui-api-integration"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3431880}},{"tool":"search_jobs","arguments":{"company":"peraton.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3431880},"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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