{"id":3472031,"url":"https://alion.io/job/leidos-sr-full-stack-developer-2","title":"Sr. Full Stack Developer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":77,"open_postings":309,"ghost_share":0.003,"stale_share":0.89,"repost_share":0.01,"time_to_fill_p50_days":28,"computed_at":"2026-11-06T05:58:05Z"}},"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":["Bethesda, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":107900,"max":195050,"currency":"USD","period":"year","gross":null,"usd_annual":195050},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon S3","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"Configuration Management","optional":false},{"name":"Confluence","optional":false},{"name":"GCP","optional":false},{"name":"Gitflow","optional":false},{"name":"GitHub","optional":false},{"name":"Hibernate","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"JUnit","optional":false},{"name":"Python","optional":false},{"name":"Scrum","optional":false},{"name":"Spring Boot","optional":false},{"name":"Unix","optional":false},{"name":"Git","optional":true},{"name":"Java","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-27T00:00:00Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-11-06T22:25:59Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Leidos is seeking an experienced Senior Full Stack Developer to join our Intel Security Sector's Analysis Solutions Business Area in Bethesda, Maryland. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management, delivering innovative technical solutions that support critical national security missions.\nThis is an excellent opportunity for an accomplished software developer to apply their expertise in full stack development, cloud technologies, and modern DevOps practices while collaborating with talented professionals to build and sustain mission-critical systems. You'll have the opportunity to work with cutting-edge technologies, contribute to innovative software solutions, and make a meaningful impact on programs supporting the Intelligence Community.\nLocated just outside Washington, D.C., Bethesda, Maryland, offers an ideal combination of exciting career opportunities and quality of life. With vibrant neighborhoods, highly regarded schools, outstanding restaurants and entertainment, beautiful parks, and convenient access to Washington, D.C., and the surrounding National Capital Region, Bethesda is a great place to advance your career while enjoying everything the area has to offer.\nAt Leidos, we recognize the value of our employees and offer a comprehensive, competitive benefits package, including Paid Time Off, 11 paid holidays, a 401(k) with a 6% company match and immediate vesting, flexible schedules, discounted stock purchase plans, technical upskilling, education and training support, paid parental leave, and much more.\nJoin Leidos and put your technical expertise to work supporting missions that make a difference in National Security!\nJob Summary\nWe are seeking a skilled and experienced Senior Full Stack Developer to support the design, development, implementation, testing, operations, and maintenance of mission-critical systems, software, and cloud environments. In this role, you will provide technical support in developing and enhancing customer tools and applications that address complex mission requirements.\nWorking within a DevOps framework, the successful candidate will contribute to major project deliverables throughout the software development lifecycle, including scope definition and work estimation, architecture and design, coding, and unit testing.\nThis position offers the opportunity to leverage modern development frameworks, commercial cloud platforms, and automated deployment technologies while collaborating with cross-functional Agile teams to deliver reliable, innovative solutions for critical national security missions.\nPrimary Responsibilities\nFull Stack Software Development: Participate in software programming initiatives that support innovation and enhancement, utilizing Java, JavaScript, Python, Spring Boot, and Hibernate.\nSoftware Testing and Validation: Develop software system validation and testing methods using JUnit and Katalon.\nIntegration and Automated Deployment: Develop and integrate custom software solutions that leverage automated deployment technologies, utilizing the Atlassian tool suite, including JIRA and Confluence, to track development activities.\nCloud-Based Development: Develop, prototype, and deploy solutions within Commercial Cloud Solutions, leveraging infrastructure platform services to create innovative solutions that meet customers' technical needs.\nInfrastructure Analysis and Coordination: Analyze infrastructure requirements through proof-of-concept development, performance testing, and end-to-end testing, and effectively coordinate infrastructure needs driven by developed software to meet customer mission requirements.\nAgile Collaboration: Support the Agile software development lifecycle following Program SAFe practices, coordinating closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation in accordance with customer use cases.\nDevOps and Configuration Management: Document and perform systems software development activities, including deploying build artifacts across different environments using GitFlow constructs and industry-leading DevOps tools such as GitHub, Jenkins, and Unix Bash scripting.\nClearance Requirement: To be considered, candidates must possess an active TS/SCI with polygraph security clearance.\nRequired Qualifications\nSignificant experience with common Agile practices, service-oriented environments, and software development practices.\nSignificant experience with Java, Angular, Spring, and C2S, as well as the software development lifecycle, including experience delivering software solutions within DevOps toolsets and practices.\nDirect experience utilizing software testing and performance tools, such as JUnit or Katalon, and scripting languages, including Python and Bash, within an Agile development environment.\nSignificant experience developing solutions in commercial cloud platforms (e.g., AWS, Google Cloud, Azure) and leveraging cloud data services (e.g., S3, RDS, EFS).\nSignificant experience utilizing version control systems and issue/problem tracking systems.\nEducation and Experience: Bachelor's degree with 8+ years of prior relevant experience, or a Master's degree with 6 or more years of relevant experience.\nPreferred Qualifications\nExperience with structured analysis and design methodologies.\nExperience working on the customer's systems.\nUnderstanding of the customer's system development policies.\nAt Leidos, the opportunities are boundless. We challenge our employees with meaningful assignments that encourage both professional and personal growth. We believe that investing in your career strengthens our ability to deliver innovative solutions for our customers.\nTake the next step in your career with Leidos. Apply today!\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nOctober 27, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":6995,"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":true,"languages":[]},"benefits":["Equity","Flexible schedule","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-29T17:26:30Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 50 · green card filings: 24","filings_12m":50,"filings_prev_12m":58,"green_card_filings_12m":24,"median_offered_wage_usd":124257,"route":null,"cap_exempt":false,"checked_at":"2026-11-06T22:30:08+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":24}],"liveness":{"score":57,"band":"ok","label":"Likely open","p_open":1,"p_active":0.628,"p_room":0.9,"age_days":10,"expected_fill_days":28,"reasons":["conf:1","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":{"stated_usd_annual":195050,"is_top_pay":true},"html_url":"https://alion.io/job/leidos-sr-full-stack-developer-2","json_url":"https://alion.io/job/leidos-sr-full-stack-developer-2.json","meta":{"generated_at":"2026-11-06T23:02:00Z","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":1896,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":7791},"rest":"https://alion.io/mcp/rest/get_company?id=7791"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleidos-sr-full-stack-developer-2"},{"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%2Fleidos-sr-full-stack-developer-2"},{"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%2Fleidos-sr-full-stack-developer-2"},{"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/leidos-sr-full-stack-developer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-sr-full-stack-developer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3472031}},{"tool":"search_jobs","arguments":{"company":"leidos.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3472031},"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. 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