{"id":3309701,"url":"https://alion.io/job/arsiem-applications-developer-iii-4","title":"Applications Developer III","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":"B","score":71,"open_postings":48,"ghost_share":0.396,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":112,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dulles, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":101000,"max_usd":198000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1539},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"GitLab","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"Agile","optional":true},{"name":"Hibernate","optional":true},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"Jenkins","optional":true},{"name":"JUnit","optional":true},{"name":"Linux","optional":true},{"name":"MySQL","optional":true},{"name":"Pytest","optional":true},{"name":"Scrum","optional":true},{"name":"SQL","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2026-10-14T01:30:46Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-31T14:40:39Z","board_verified":true,"closed_at":null,"days_open":17,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":17},"description":"ARSIEM is looking for a Full Stack Developer to support the design, development, and deployment of advanced cybersecurity capabilities. The Full Stack Developer will play a pivotal role in our organization's technology team. .This position will support one of our Government clients in Dulles, VA.\nResponsibilities\nFull Stack Development\nDevelop, maintain, and enhance front-end and back-end components of web applications.\nAutomated testing and smoke testing familiarity and implementation experience.\nPerform unit and integration testing to ensure software quality.\nOptimize application for speed and scalability.\nCollaborate with cross-functional teams to gather and refine software requirements.\nWrite clean, maintainable, and efficient code.\nTroubleshoot and resolve software defects and issues.\nHandle authentication, authorization, and session management.\nIntegrate with third-party services (e.g., payment processors, external APIs).\nDevOps and Deployment\nSet up and manage CI/CD pipelines.\nDeploy applications to cloud platforms (e.g., AWS, Azure, GCP).\nMonitor application performance and reliability.\nHandle version control using Git and platforms like GitHub/GitLab.\nCollaboration and Documentation\nCollaborate with DevOps, infrastructure, and development teams to ensure seamless integration.\nDocument code and infrastructure changes, processes, and best practices.\nParticipate in knowledge sharing and mentorship of team members.\nStay up-to-date with industry trends and emerging technologies.\nCybersecurity - Secure Coding Practices\nCreate secure code according to industry best practices.\nUse strong encryption algorithms for data in motion and data at rest.\nManage and handle credentials and secrets in a secure, authorized manner.\nUse correct error handling and logging within developed code.\nMinimum Qualifications\nBachelor’s degree in Software Engineering, Computer Science or a related discipline is required.\n8+ years of directly relevant software development experience required.\nProficiency in programming languages such as Python, Java, and NodeJS.\nStrong knowledge of front-end and back-end frameworks.\nFamiliarity with CI/CD pipelines and version control systems.\nKnowledge of cloud platforms (e.g., AWS, Azure, Google Cloud) is a plus.\nDemonstrated experience and/or familiarity with one of more of the following: SQL, Oracle, MySQL, JBDC, etc.\nDemonstrated experience and/or familiarity with one of more of the following: Pytest, Jupyter, Java Spring, JUnit,\nHibernate, JavaScript, ReactJs, etc.\nExperience leading multiple software development teams. \nExperience developing system performance, availability, scalability, manageability, and security requirements for mid- to large-scale programs.\nExperience with cloud computing, multimedia storage, knowledge databases and data-mining analytics.\nAgile development methodology experience required.\nExperience with Linux and/or Unix.\nExperience with Jenkins and/or CloudBees.\nPreferred Qualifications\nExcellent problem-solving and communication skills.\nStrong teamwork and collaboration abilities.\nAbility to adapt to a fast-paced, evolving technology environment.\nAttention to detail and commitment to delivering high-quality solutions.\nDoDM 8140.03 DCWF Information Systems Security Developer (631), CSSLP, CISSP\nSoftware development methodology certification (e.g. SCRUM Master) highly desired.","description_format":"text","description_chars":3375,"description_truncated":false,"requirements":{"experience_years_min":8,"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":"2026-10-27T02:51:52Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring 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