{"id":4261298,"url":"https://alion.io/job/arcfield-senior-software-developer","title":"Senior Software Developer","company":{"id":1811758,"name":"Arcfield","domain":"arcfield.com","url":"https://alion.io/company/arcfield","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dahlgren, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":128000,"max":234000,"currency":"USD","period":"year","gross":null,"usd_annual":234000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"ETL/ELT","optional":false},{"name":"IAM","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"OpenShift","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-11-13T15:06:28Z","employer_posted_date":null,"last_verified_at":"2026-11-13T15:06:28Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Arcfield is hiring a Senior Software Developer to build, modify, and sustain enterprise software applications for its customer. The role spans the application lifecycle, from requirements and design through implementation, testing, deployment, and ongoing support.\n\nResponsibilities\nWorking from requirements specifications to develop or modify software applications\nDesigning, coding, benchmark testing, debugging, and documenting application features and changes\nReviewing and assessing existing enterprise applications, to support new features, performance improvements, upgrades, and ongoing sustainment\nParticipating in performance, load, and stress testing, and remediation of issues identified\nParticipating in security architecture reviews of large enterprise systems\nParticipating in the development of new systems throughout the entire application lifecycle: requirements analysis & definition, system design, implementation, testing, deployment, and sustainment\nParticipating in activities that ensure the successful use of these systems including developing documentation, test scripts, and training materials\nWorking in an agile team environment participating in sprint planning, retrospectives, reviews, and daily standups\n\nSkills\nBS 10-12, MS 8-10, PhD 5-7\nActive or Interim DoD SECRET clearance with ability to obtain and maintain a TS/SCI Clearance\nDoDD 8140.01 Information Assurance Management (IAM) Level I certification or higher\nExperience designing, implementing, supporting, and analyzing enterprise scale applications using the following technologies: .NET Core, Angular, JavaScript, C#, and SQL Server\nProficiency with modern development toolsets including Visual Studio, SQL Server Management Studio, git, unit testing frameworks, and task tracking such as GitLab\nExperience designing, implementing, supporting, and analyzing enterprise scale applications that perform extract/transform/load (ETL) operations with external data sources and SQL Server\nFamiliarity with distributed version control tools such as git and mercurial\nComprehensive knowledge in definition and management of software requirements, design, code, benchmark testing, debugging, software development lifecycle, architecture, and documentation\nExperience with and proficient with at least one of the following Object-oriented programming (OOP) languages: C/C++, C#, Java, or Python\nExperience in Agile software web development and micro services specifically in the following technology areas:\n + C# / .NET\nExperience in Agile software web development and micro services specifically in the following technology areas:\n + Angular 2+\nExperience in Agile software web development and micro services specifically in the following technology areas:\n + TypeScript\nExperience in Agile software web development and micro services specifically in the following technology areas:\n + PostgreSQL\nExperience working on custom development software projects\nExperience working with DoD customers\nExperience working on cybersecurity projects\nJenkins\nElasticSearch\nBig Data cluster\nContinuous Integration / Continuous Development (CI/CD) pipeline\nRedHat, OpenShift, Kubernetes, and Docker\nAutomated Testing tools and processes used to support various testing requirements including data, UI, load/performance, security, and contract testing\nArtificial Intelligence and Machine Learning\n\nBenefits\nDepending upon position: Health Insurance\nDepending upon position: Life Insurance\nDepending upon position: Paid Time Off\nDepending upon position: Holiday Pay\nDepending upon position: Short Term and Long-Term Disability\nDepending upon position: Retirement and Savings\nDepending upon position: Learning and Development opportunities\nDepending upon position: wellness programs\nDepending upon position: other optional benefit elections\n\nCompany Overview\nArcfield provides innovative solutions in systems engineering and integration. It was founded in 2021, and is headquartered in Chantilly, Virginia, USA, with a workforce of 1001-5000 employees. Its website is http://www.arcfield.com.","description_format":"text","description_chars":4060,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Military","Space & Aerospace","C4ISR","Defense Manufacturing"],"lifecycle":[{"event":"open","at":"2026-11-13T15:28:45Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":30,"reasons":["seen:0","win:early"],"computed_at":"2026-11-13T18:13:42Z"},"pay":{"stated_usd_annual":234000,"is_top_pay":true},"html_url":"https://alion.io/job/arcfield-senior-software-developer","json_url":"https://alion.io/job/arcfield-senior-software-developer.json","meta":{"generated_at":"2026-11-13T18:13:42Z","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":36494,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":1811758},"rest":"https://alion.io/mcp/rest/get_company?id=1811758"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farcfield-senior-software-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Farcfield-senior-software-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Farcfield-senior-software-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/arcfield-senior-software-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farcfield-senior-software-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4261298}},{"tool":"search_jobs","arguments":{"company":"arcfield.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4261298},"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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