{"id":4314452,"url":"https://alion.io/job/j5-consulting-applications-developer-j5-consulting-3","title":"Applications Developer - J5 Consulting","company":{"id":2681198,"name":"J5 Consulting","domain":"j5consulting.co","url":"https://alion.io/company/j5-consulting","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Reston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"Git","optional":false}],"status":"live","first_seen_at":"2026-11-14T14:48:01Z","employer_posted_date":"2026-11-14","last_verified_at":"2026-11-14T14:48:01Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to receive consideration for the following position.\nJob Overview: Available Immediately\nIntroduction\nThis position will assist with maintenance of existing legacy applications and support the transition to a new system architecture. Location is the Reston area. ***NOTE: Additional security scrub required.\nRequired skills and demonstrated experience:\n5 or more years with Full Stack development experience\n5 or more years with supporting legacy applications\nDemonstrated experience (3+years) with C# desktop application development experience\nDesign and deploy bug fixes written in the C# software language to support an existing legacy system\nExperience working on an application built on client/server-based architecture\n3 years experience with RDMS support\nExperience developing, implementing and maintaining complex functions, scripts, stored procedures and triggers in support of applications\nDemonstrated strong troubleshooting experience\nExperience working in an Agile development environment\nProficiency with Git\nHighly desired, though not required, include:\nFamiliarity with the Sponsor's A&A process\nFamiliarity with DevOps\n__________________________________________________________________________________\nUS Citizenship:\nThis position requires US Citizenship. Verification of US Citizenship to meet federal government security requirements will be confirmed.\nSecurity Clearance:\nThe successful candidate must have an active U.S. Government Top Secret Security Clearance with a Full Scope Polygraph.\nClearance Verification: This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.\nTravel:\nThis position is expected to be onsite. The position will be located within the Washington Metropolitan Area (WMA). Local travel/POV will be on an as needed basis, within the local place of performance.\nJoin J5 Consulting and Grow Your Cybersecurity Career\nAt J5, we’re a team of innovators protecting organizations from evolving cyber threats. With 18+ years of success in government and commercial sectors, we offer meaningful opportunities to grow your career.\nEnjoy comprehensive benefits, including:\n100% employer-paid health coverage\na 6% 401(k) match\nPTO\ntuition reimbursement\nbonuses\nprofessional development, and more.\nReady to make an impact? Explore our open positions and apply today.","description_format":"text","description_chars":2777,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Infrastructure & Networking Services","Security Compliance","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-11-14T14:48:01Z"}],"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":34,"reasons":["conf:2","win:early"],"computed_at":"2026-11-14T17:08:51Z"},"pay":null,"html_url":"https://alion.io/job/j5-consulting-applications-developer-j5-consulting-3","json_url":"https://alion.io/job/j5-consulting-applications-developer-j5-consulting-3.json","meta":{"generated_at":"2026-11-14T17:08:51Z","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":19724,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"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":2681198},"rest":"https://alion.io/mcp/rest/get_company?id=2681198"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fj5-consulting-applications-developer-j5-consulting-3"},{"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%2Fj5-consulting-applications-developer-j5-consulting-3"},{"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%2Fj5-consulting-applications-developer-j5-consulting-3"},{"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/j5-consulting-applications-developer-j5-consulting-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fj5-consulting-applications-developer-j5-consulting-3"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4314452}},{"tool":"search_jobs","arguments":{"company":"j5consulting.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4314452},"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. Docs: https://alion.io/developers"}}