{"id":3902717,"url":"https://alion.io/job/caci-international-ruby-on-rails-developer","title":"Ruby on Rails Developer","company":{"id":58481,"name":"CACI International","domain":"caci.com","url":"https://alion.io/company/caci-international","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"D","score":48,"open_postings":362,"ghost_share":0.616,"stale_share":0.16,"repost_share":0.738,"time_to_fill_p50_days":47,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120800,"max":265800,"currency":"USD","period":"year","gross":null,"usd_annual":265800},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"SQL","optional":false},{"name":"Ruby","optional":true}],"status":"live","first_seen_at":"2026-11-06T00:00:00Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-07T11:14:25Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Job Title: Ruby on Rails DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:\nCACI is seeking a Ruby on Rails Developer to build, enhance, and modernize web-based applications supporting a government customer. As part of an Agile development team, you'll help deliver reliable, user-focused solutions across a portfolio of 40+ applications.\nYou'll work with Ruby on Rails, HTML5, JavaScript, CSS, SQL, and Amazon Web Services (AWS), collaborating with analysts, testers, project leads, and customers throughout the Agile software development lifecycle. You'll contribute to delivering quality software through established development and deployment practices, with opportunities to support application migrations, work with C#/.NET, and explore AI-assisted development tools that enhance coding, testing, and other development workflows.\nResponsibilities:\nDesign, develop, enhance, and maintain complex Ruby on Rails applications, emphasizing performance, security, reliability, and maintainability.\nAnalyze requirements and application dependencies, recommend implementation approaches, estimate development efforts, and assess technical feasibility, risks, and impacts across interconnected systems.\nCollaborate with business analysts, project leads, testers, subject matter experts, and customers to translate requirements into effective application solutions.\nDevelop and review technical specifications, write maintainable code, build and integrate APIs and data conversion routines, and perform unit testing.\nSupport application testing and CI/CD deployments by diagnosing complex defects, identifying root causes, and coordinating resolutions.\nContribute to application migrations and modernization initiatives, identifying opportunities to improve functionality and leverage AWS and related technologies.\nMaintain technical documentation, follow configuration management and release standards, and identify opportunities to improve development workflows, including through AI-assisted tools. Qualifications: Required: \nMinimum of two (2) years of relevant web development or software development experience.\nActive TS/SCI clearance with CI Polygraph.\nDemonstrated experience developing, testing, and supporting web applications using Ruby on Rails.\nHands-on experience with HTML, JavaScript, CSS, SQL, and relational databases.\nStrong understanding of web development principles, software engineering practices, coding standards, and application security.\nAbility to analyze complex technical issues, assess application dependencies and potential impacts, and recommend effective solutions with minimal supervision.\nStrong analytical, problem-solving, communication, and collaboration skills, with the ability to take ownership of development tasks and exercise sound technical judgment.\nAbility to obtain CompTIA Security+ certification within the first six (6) months. Desired:\nBachelor's degree in Computer Science, Information Systems, Software Engineering, or a related field, or equivalent work experience.\nExperience developing, deploying, or supporting applications using AWS services and cloud-based architectures.\nFamiliarity with CI/CD pipelines, automated testing, and software deployment processes.\nExperience developing or maintaining web APIs, application integrations, or data conversion routines.\nExperience supporting application migrations, modernization initiatives, or enhancements to existing systems.\nFamiliarity with Agile software development methodologies and practices.\nExperience using AI-assisted development tools or interest in applying AI to software development workflows.\nKnowledge of or experience supporting Department of Defense (DoD) or Intelligence Community (IC) environments.\n-What You Can Expect:\nA culture of integrity.\nAt CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.\nAn environment of trust.\nCACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.\nA focus on continuous growth.\nTogether, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.\nPay Range:\nThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.\nThe proposed salary range for this position is:\n$120,800 - $265,800CACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.","description_format":"text","description_chars":5852,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible time off"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Cyber Warfare","Intelligence","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-11-07T01:21:18Z"}],"visa":[],"liveness":{"score":70,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.695,"p_room":1,"age_days":1,"expected_fill_days":47,"reasons":["conf:1","stale_co","urgency","velocity","win:early","comp:junior,brand"],"computed_at":"2026-11-07T05:47:08Z"},"pay":{"stated_usd_annual":265800,"is_top_pay":true},"html_url":"https://alion.io/job/caci-international-ruby-on-rails-developer","json_url":"https://alion.io/job/caci-international-ruby-on-rails-developer.json","meta":{"generated_at":"2026-11-07T13:25:49Z","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":16224,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":58481},"rest":"https://alion.io/mcp/rest/get_company?id=58481"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcaci-international-ruby-on-rails-developer"},{"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%2Fcaci-international-ruby-on-rails-developer"},{"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%2Fcaci-international-ruby-on-rails-developer"},{"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/caci-international-ruby-on-rails-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcaci-international-ruby-on-rails-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3902717}},{"tool":"search_jobs","arguments":{"company":"caci.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3902717},"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. Docs: https://alion.io/developers"}}