{"id":646605,"url":"https://alion.io/job/arsiem-383-principal-software-engineer","title":"383 - Principal Software Engineer","company":{"id":668767,"name":"ARSIEM","domain":"arsiem.com","url":"https://alion.io/company/arsiem","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"D","score":51,"open_postings":43,"ghost_share":0.814,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-29T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Annapolis Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":216000,"max":241000,"currency":"USD","period":"year","gross":null,"usd_annual":241000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"Selenium","optional":true}],"status":"live","first_seen_at":"2026-05-28T00:53:00Z","employer_posted_date":"2026-05-28","last_verified_at":"2026-09-28T23:34:35Z","board_verified":true,"closed_at":null,"days_open":124,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":124},"description":"ARSIEM is looking for an experienced and talented Software Developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission. This role includes application development in support of the mission and managing the product's infrastructure and DevOps environment. You will be working in a highly collaborative, integrated environment. This position will support one of our government clients in Annapolis Junction, MD.\nResponsibilities\nPerform security analysis of web services on Android and OSX platforms to develop automation tools to scrape data and interact with public and private APIs.\n\nMinimum Qualifications\nStrong experience with Java, Python, JavaScript, and shell scripting\nBachelor's degree plus 11-years of relevant experience or equivalent.\nPreferred Qualifications\nAdditional experience with Android development, browser automation with Selenium, reverse engineering; familiarity with AI","description_format":"text","description_chars":986,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Information Security","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-10T20:17:15Z"}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.171,"p_room":0.28,"age_days":124,"expected_fill_days":32,"reasons":["conf:6","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-09-29T05:45:00Z"},"pay":{"stated_usd_annual":241000,"is_top_pay":true},"html_url":"https://alion.io/job/arsiem-383-principal-software-engineer","json_url":"https://alion.io/job/arsiem-383-principal-software-engineer.json","meta":{"generated_at":"2026-09-30T00:21:43Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":180,"day_limit":5000,"remaining_today":4820,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}