{"id":2828996,"url":"https://alion.io/job/metis-technology-solutions-software-engineer-front-end-developer","title":"Software Engineer - Front End Developer","company":{"id":4393706,"name":"Metis Technology Solutions","domain":"metis-tech.com","url":"https://alion.io/company/metis-tech","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":{"grade":"C","score":67,"open_postings":20,"ghost_share":0.55,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Frontend","role_family":"Frontend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":90000,"max":140000,"currency":"USD","period":"year","gross":null,"usd_annual":140000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"gRPC","optional":false},{"name":"JavaScript","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Three.JS","optional":false},{"name":"Vue.js","optional":false},{"name":"WebGPU","optional":false},{"name":"WebSockets","optional":false},{"name":"Confluence","optional":true},{"name":"Unity","optional":true}],"status":"live","first_seen_at":"2026-04-20T14:23:00Z","employer_posted_date":"2026-04-20","last_verified_at":"2026-10-27T12:36:32Z","board_verified":true,"closed_at":null,"days_open":189,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":189},"description":"NASA Ames Research Center’s Aviation Systems Division (Code AF) has developed specialized tools for airspace management, simulation, geospatial visualization, data engineering, and project risk management. The Code AF Software Facility team is seeking an experienced front-end developer to expand the capabilities of these tools. This role involves building JavaScript-based simulation web applications, React and Node applications, data-driven visualization components, backend integrations, and reusable simulation modules. The developer will collaborate with researchers, customers, DevOps teams, and system administrators to deliver high-fidelity, scalable, and secure simulation and visualization frontends supporting research, demonstrations, analytics, and operational use cases. Join our team as we build the technologies that will help drive modernization of the National Air Space.\nRequired Skills and Experience\nBachelor’s Degree or higher in Computer Science or related engineering disciplines\n3-5 years of experience (including relevant college projects) developing applications using modern Javascript frameworks (React, Node.js, Vue, Three.js, WebGL/WebGPU) in an Agile environment\nPassion for quality and writing clean, solid, readable code that scales and performs well\nKnowledge of backend integration, APIs, microservices, and data pipelines\nFamiliarity with REST, WebSockets, gRPC, and event-driven architectures\nDemonstrated Full-stack development experience, including UI dashboards and backend APIs\nExperience with Continuous Integration/Deployment (CI/CD) pipelines, deployment automation, and cloud environments (AWS, Azure, GCP)\nDeep understanding of software quality assurance, automated testing, and documentation practices\nOther Desired 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