External Job Posting Title Full Stack Engineer - Mid-Level / Hybrid / Active Top Secret
$86k - $138kPeraton
Responsibilities Peraton is seeking a Mid-level Full‑Stack Engineer to join our Federal Strategic Cyber program—an environment where your engineering expertise directly strengthens national security. In this role, you’ll build modern, mission‑critical applications from front to back, contributing to tools used by federal cyber operations. Location: Arlington VA. Hybrid schedule; on-site presence as needed. What You'll Do: Design, build, and maintain high-quality frontend applications using Angular, TypeScript, and modern web frameworks as the primary focus of your work. Lead the development of custom web applications with polished, performant user interfaces that evolve with mission needs. Architect and implement scalable frontend solutions, including component libraries, state management, and responsive design patterns. Support the integration of emerging technologies, including AI-driven interfaces and advanced analytics dashboards surfaced through the frontend. Collaborate with backend teams on API contracts and integration points, with occasional hands‑on work in Java or NodeJS as mission needs arise. Solve complex challenges involving cross-browser compatibility, frontend performance optimization, and multi‑environment deployments. Work in an Agile environment, adapting quickly to shifting priorities and collaborating across teams. Troubleshoot UI/UX issues, enhance application performance, and produce clear technical documentation.
#CISA
Qualifications Minimum Requirements Are: Bachelor's degree and 5+ years of software engineering experience (or 9+ years without a degree). Strong, demonstrable expertise in frontend development using JavaScript/TypeScript, Angular, and modern web frameworks. Solid understanding of HTML5, CSS3, and frontend build tooling (e.g., NPM, or similar). Hands‑on experience consuming and integrating RESTful APIs. Working knowledge of Java or Python for occasional backend tasking and cross‑functional collaboration. Experience with DevOps tools such as JIRA, Jenkins, and Git. Familiarity with cloud services and emerging technologies such as AI/ML. Understanding of cybersecurity concepts as they apply to web application development. U.S. Citizenship required. Active Top Secret security clearance with SCI eligibility. Must have the ability to obtain and maintain a DHS background investigation. Preferred Requirements: Deep expertise with the Angular and/or React framework, including advanced patterns such as lazy loading, custom directives, and reactive forms. Experience with container orchestration platforms such as Kubernetes and related infrastructure tooling. Familiarity with CI/CD pipeline configuration and management (e.g., GitLab CI/CD). Experience with frontend test automation frameworks (e.g., Cypress, Jest, Playwright). Experience in a SAFe Agile environment. Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure. Target Salary Range $86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law. #J-18808-Ljbffr Peraton$86k - $138k
ResponsibilitiesPeraton is seeking a Mid-level Full‑Stack Engineer to join our Federal Strategic Cyber... ...operations.Location: Arlington VA. Hybrid schedule; on-site presence as... ...development.U.S. Citizenship required.Active Top Secret security clearance with SCI eligibility...SuggestedContract workCasual workShift work$140k - $142k
...and services that operate across hybrid environments, including Azure cloud... ...classified networks. Support the full application lifecycle, including... ...operations across multiple classification levels. Qualifications Active Top Secret security clearance with SCI...SuggestedFull timePart timeFor contractorsRemote work$58k - $105.3k
Software Developer – Entry Level (Top Secret Clearance Required)... ...-end, back-end, or full stack solutions. • Work... ...applications, learning CGI’s engineering practices and... ...with cloud concepts or hybrid/multi-cloud... ...collective success and actively shape our company’s strategy...SuggestedInternshipLocal areaMonday to Friday- ...experienced Senior Full Stack Developer... ...teams to engineer solutions,... ...for a DoD Secret clearance. An active Secret... ...and to work hybrid on-site is... ...Senior-level proficiency... ...services to external APIs. Senior... ...junior and mid level developers... ...and a Top 20 Big Data...SuggestedFull timeFor contractorsWork at officeLocal areaImmediate startRemote workRelocation
$112k - $132k
...application. As a Mid-Level Software Engineer, you will own... ...their jobs. The stack: C#, .NET 8+, ASP... ...us than an exact full-stack match. If... ...negotiable. An active clearance is not... ...to apply. Active Secret is welcome. Otherwise... ...the process. Hybrid, a few days a...SuggestedTemporary workWork experience placementInterim role- ...Black Cape Title: Full Stack Software Engineer (Entry level - Senior Levels) Locations: Arlington, VA and areas... ...needs Clearance: MUST have an Active Top Secret or TS/SCI clearance ***MUST HAVE... ...Experts!! We are considering Mid to Senior Level Full-stack software...Full timeFor subcontractor2 days per week3 days per week
- ...services. In this role, you will mentor mid‑level developers, set engineering standards, and champion best... ...integration with .NET APIs or full stack environments •Excellent communication... ...Clearance: Must have an active Top-Secret clearance and be eligible for SCI...
$115k - $160k
...seeking a Software Engineer . This position is a full-time... ...expertise in low-level systems programming... ...in full-stack software development... ...with an active TS/SCI clearance... ..., including a hybrid arrangement:... ...contributions on top of that.... ...belief under Title VII of the Civil...Full timeWork experience placementWork at officeLocal areaRemote workFlexible hours$170k
...of highly cleared engineers, analysts, and program... ...available. Full Stack Developer TS/... ...Required | Suitland, MD (Hybrid) | Immediate Start... ...classification levels. You will work... ...development practices, secrets management, least-... ...Experience ~ Active TS/SCI clearance...Immediate startFlexible hoursDay shift2 days per week3 days per week$113k - $188.4k
Our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant... ...Required: ~ Bachelor's degree ~ Active Top Secret clearance ~3+ years of experience as a full-stack developer with Angular, Node.js, and Java ~3+...Local areaFlexible hours$113k - $188.4k
...Our Deloitte AI & Engineering team to transform technology... ...Bachelor’s degreeActive Top Secret clearance3+ years of experience as a full-stack developer with Angular,... ...From entry-level employees to senior leaders... ...As used in this posting, "Deloitte" means Deloitte...Local areaFlexible hours- ...Job Title: Mid-to-Senior Full Stack Engineer Java, Angular & AWS W2 Position Location: Rockville, MD or McLean, VA - Hybrid Duration: Long Term Experience: 6 8 years Local Candidates Only: Applicants must currently reside in **DC, Virginia or Maryland...Local area
$144.8k
...0543 Summary Mid Front End Developer... ...to the next level! Chenega Agile Real... ...and contribute to engineering best practices... ...scalability solutions ~ Active or Current (within... ...years of active) Top Secret Security Clearance... ...internal and external stakeholder groups...Work at officeWork from homeHome office- ...Description The Software Engineer shall meet the... ...minimum requirements: ~ Hybrid work in Laurel ~... ...or cloud-based, and full lifecycle software... ...teams on small to mid-size software development activities. ~ ALSO can write... ...Software Engineer – Mid Level shall participate in...Contract workWork experience placementLocal area
- ...Description Job Description Job Title: Mid-Level Cloud-Based Web Developer (... ...an application by using Full stack technology and delivered... ...Advisor BRE (Business Rule Engine) development Experience in... ...Negotiable Location: Hybrid-Must reside within the DC, MD...
$90k - $130k
...Mid-Level Full Stack Developer (.Net and Azure), #1060 Location: Herndon, VA (hybrid once a quarter) Clearance: U.S. Citizenship... ...Developer/Cloud Engineer to design, build,... ...(SSRS) Azure Active Directory Power... ...As a Washington Post Top Workplace award winner...Full timeRemote workFlexible hours- ...extensive experience in full-stack web development, user... ...following software engineering best practices and organizational... ...and change management activities. ~Ensure applications... ...is a CMMI-DEV Level 4, CMMI-SVC Level 4,... ...is proud to be named a Top Workplace for the eleventh...Full timeFlexible hours
- ...position requires an active U.S. Government... ...Clearance at the Top Secret and/orCBP/DHSsuitability level. Vantor is... ...currently seeking a Mid-Level Software Engineer to support... ...Kafka). ~ Full-stack development experiencewithmodern... ...in all U.S. job postings. Starting pay for...Remote work
$110k - $136k
...Corporation is seeking a Full Stack Developer, Mid. As a Full Stack Developer... ...be performed onsite. Any hybrid work schedule would... ...offer. Requirements Active Top-Secret with SCI and CI Poly eligibilityBachelor... ...solutions from Systems Engineering to Cyber Security, and...Work experience placementRemote work$89.6k - $204k
...Developer (Entry Level to SME) TS/SCI... ...; however, a hybrid working model is... ...(Mid-Level) • Application... ...standards for the engineering team. • Mentorship... ...across the full stack. • Oversee and... ...roles require an active TS/SCI with Poly... ...at or near the top of the range...Work at officeLocal area$65 - $67 per hour
...Position Title: Mid-Level Full Stack Developer Location: Bethesda, MD - 5 Days onsite - No Relocation Assignment Type: Contract to Hire Pay Rate: $65.00 - $67.00 / hour Work Schedule: Onsite, Monday - Friday Benefits: This position is eligible for medical...Contract workTemporary workLocal areaRelocationMonday to Friday- ...Job Description Job Description As a .NET Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. You will be responsible for designing, coding, testing, and deploying high-quality software solutions...
- ...We are looking for front end software engineers to join a large team that is providing... ...platform, tool/capability, microservices - full with integration, verification, and... ...Experience with supporting junior and mid-level engineers Experience with designing...For contractors
$110k - $135k
...Employment Type: Full Time/Salaried... ...Clearance: Secret Level of Experience: Mid This... ...architecture, reverse engineering, software and... ...a Full Stack Front-End Developer... ...assurance activities.Document technical... ...and post-secondary education... ...of America’s top large company...Full timeWork at officeLocal areaWork from homeWorldwideHome office$87.1k - $157.45k
...impact? Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program... ...Tucson, AZ Clearance Level Required: Active Top Secret/SCI with the ability to successfully... ...than anyone else dares. Original Posting: September 8, 2026 For U.S. Positions...Contract workLocal areaImmediate start- ...Black Cape Title: Brilliant BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston, VA... ...needs Clearance: MUST have an Active Top Secret or TS/SCI clearance ***... ...us to work on cloud-native full-stack web applications, advanced data...Full timeFor subcontractor2 days per week3 days per week
$130k - $180k
...VirginiaSecurity Clearance: Top SecretBusiness... ...of experience levels) to support a... ...App Developer:*Active TS (Top Secret) OR TS/SCI Clearance... ...job was posted on September 23,... ...Developer, Software Engineer, Application Developer... ...Developer, AppDev, Full Stack Developer, Full-...Remote work$80k - $105k
...ownership, and execution over bureaucracy. Mid-Level Full Stack Developer Location: Remote Terms... .... You will collaborate closely with engineers, architects, product owners, and... ...recognitions include: Recognized as a Top 20 "Best Place to Work in Virginia" Recipient...Full timeWork experience placementRemote workFlexible hours- ...Description ***This job requires active Top Secret clearance. Please apply... ...will develop and maintain full-stack components of a secure,... ...candidate has strong full-stack engineering skills, thrives on a SAFe... ...clearance, your clearance level must be clearly identified...Remote workFlexible hours
$100k - $150k
...as a Senior Software Engineer. Core Knowledge & Skills... ...(e.g., OWASP Top 10). Work & Complexity... ...needs of our client as a Full Stack Engineer. Project... ...environments. Must have an Active Secret Clearance. Nice to... ...and competencies, level of experience, education...Contract work
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