{"id":2111189,"url":"https://alion.io/job/base-2-solutions-front-end-software-engineer-4","title":"Front-End Software Engineer 4","company":{"id":3900854,"name":"Base-2 Solutions","domain":"base-2solutions.com","url":"https://alion.io/company/base-2-solutions","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":118000,"max_usd":221000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":52},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Docker","optional":false},{"name":"JavaScript","optional":false},{"name":"Podman","optional":false},{"name":"React.js","optional":false},{"name":"ElasticSearch","optional":true},{"name":"Python","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-07-27T00:00:00Z","employer_posted_date":"2026-07-27","last_verified_at":"2026-10-09T22:54:04Z","board_verified":true,"closed_at":null,"days_open":75,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":75},"description":"LocationBethesda, Maryland\n Security clearanceTop Secret\n Work arrangementOn-Site\n Requisition5212\n Apply for this role(opens in a new tab) Opens this requisition in our secure applicant portal.\n Position Summary\n Support the DOMEX Technology Platform as a Front-End Software Engineer 4 developing high-quality web applications for a DoD program using a modern technology stack. Most tasks are conducted on-site at the client location in Bethesda, MD. The source body also states that occasional remote work may be available depending on client requirements and deliverables.\nEssential Duties and Responsibilities\n Develop and maintain web applications using ReactJS or Angular frameworks.\nCode, test, and debug new and existing web applications.\nImplement and refine user interfaces.\nConduct thorough unit testing using automated tooling.\nCollaborate with internal and external team members to ensure optimal performance and usability.\nPeer review code written by fellow team members.\nUtilize virtualization technologies such as Docker and Podman.\nRequired Qualifications\n Active Top Secret with ability to obtain a TS/SCI with CI Polygraph.\nBachelor's degree with a minimum of ten years of experience in the category field.\nExperience with modern front-end libraries such as ReactJS and Angular, including a minimum of 2 years of professional experience.\nStrong proficiency in HTML, CSS, and JavaScript.\nSolid understanding of HTTP web requests for fetching JSON data.\nExcellent verbal and written communication skills and the ability to write well-documented code.\nDemonstrated ability to work in a dynamic and challenging environment.\nSolid understanding of the software development life cycle while working within an Agile framework.\nPreferred Qualifications\n Genuine passion for creating great user experiences.\nExperience writing front-end unit tests.\nExperience writing backend web API services.\nExperience coding in other languages such as Python.\nFamiliarity with NoSQL datastores such as Elasticsearch.\nFamiliarity with performance optimization techniques.\nUp-to-date knowledge of emerging front-end technologies.\nRequired Education and Experience Equivalency\n Bachelors' Degree with 10 years of experience.\nMasters' Degree with 10 years of experience.\nPhD with 10 years of experience.\nRequired Certifications\n None specified.\nRequired Security Clearance\n Active Top Secret with ability to obtain a TS/SCI with CI Polygraph.","description_format":"text","description_chars":2435,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","DevOps & Platform Engineering","Information Security"],"lifecycle":[{"event":"open","at":"2026-10-08T22:29:32Z"}],"visa":[],"liveness":{"score":2,"band":"cold","label":"Long shot","p_open":1,"p_active":0.088,"p_room":0.28,"age_days":74,"expected_fill_days":7,"reasons":["conf:3","urgency","win:tail","crowd:brand"],"computed_at":"2026-10-09T06:01:00Z"},"pay":null,"html_url":"https://alion.io/job/base-2-solutions-front-end-software-engineer-4","json_url":"https://alion.io/job/base-2-solutions-front-end-software-engineer-4.json","meta":{"generated_at":"2026-10-10T02:29:32Z","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","counted_by":"address","units_charged":1,"used_today":4663,"day_limit":5000,"remaining_today":337,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":3900854},"rest":"https://alion.io/mcp/rest/get_company?id=3900854"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbase-2-solutions-front-end-software-engineer-4"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fbase-2-solutions-front-end-software-engineer-4"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fbase-2-solutions-front-end-software-engineer-4"},{"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/base-2-solutions-front-end-software-engineer-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbase-2-solutions-front-end-software-engineer-4"}]}