{"id":646636,"url":"https://alion.io/job/arsiem-355-senior-software-engineer","title":"355 - Senior 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":"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":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":191000,"max":214000,"currency":"USD","period":"year","gross":null,"usd_annual":214000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Confluence","optional":false},{"name":"GitLab","optional":false},{"name":"Java","optional":false},{"name":"Jira","optional":false},{"name":"Machine Learning","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":true}],"status":"live","first_seen_at":"2026-02-12T15:40:27Z","employer_posted_date":"2026-02-12","last_verified_at":"2026-09-28T23:34:35Z","board_verified":true,"closed_at":null,"days_open":229,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":228},"description":"ARSIEM is looking for an experienced Senior Software Engineer to create custom analytics to perform at scale. The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. This position will support one of our government clients in Fort Meade, MD.\nResponsibilities\nWork directly with data scientists as well as mission analysts to solve the most demanding strategic problems\nPerform end-to-end software engineering to prototype, develop, integrate, test, and deploy tools and tradecraft into the customer's corporate architecture\nMinimum Qualifications\nStrong experience with Jupyter Notebooks, Java MapReduce, Python PySpark\nStrong experience with statistical analysis and machine learning fundamentals\nStrong experience with customer tools, architecture, data flow, and use of big data\nProficiency with Jira, Confluence, Gitlab; experience with Agile methodologies\nBachelor's degree plus 11-years of relevant experience or equivalent\nPreferred Qualifications\nExperience with software development processes (i.e., requirements analysis, software design, implementation, testing, integration, deployment/installation, and maintenance) and programming\nExperience with Data Science, Machine Learning (ML), Artificial Intelligence (AI) and using Large Language Models (LLMs)","description_format":"text","description_chars":1468,"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"},{"event":"open","at":"2026-09-26T02:55:01Z"}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.205,"p_room":0.28,"age_days":228,"expected_fill_days":42,"reasons":["conf:6","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-09-29T05:45:00Z"},"pay":{"stated_usd_annual":214000,"is_top_pay":true},"html_url":"https://alion.io/job/arsiem-355-senior-software-engineer","json_url":"https://alion.io/job/arsiem-355-senior-software-engineer.json","meta":{"generated_at":"2026-09-30T04:15:53Z","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":2908,"day_limit":5000,"remaining_today":2092,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}