Senior Full Stack/UI Developer
SOSI
Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.Job DescriptionSOSi is seeking skilled Senior Full Stack/UI Developer to support a US government customer in Chantilly, VA.This role will be responsible for designing, developing, and maintaining cyber analytic applications. This role involves collaborating with cyber SMEs, data scientists, and engineers to translate complex technical requirements into responsive user interfaces and robust backend services. QualificationsMinimum RequirementsActive in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances.3–5 years of hands-on experience in full-stack and UI development, or equivalent practical experience, with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.).Experience building scalable and robust backend systems. Experience building user interfacesFamiliarity with AI/ML applicationsSolid understanding of DevOps principles (automation, monitoring, reliability)Preferred QualificationsExperience in the US Intelligence Community.Additional InformationWork EnvironmentOffice setting with a combination of desk work and meetings.Working at SOSiAll interested individuals will receive consideration and will not be discriminated against for any reason.SummaryType: Full-timeFunction: OtherExperience level: Mid-Senior LevelIndustry: Information Technology And Services
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$150k - $200k
...Senior Java Full Stack Developer Markon is seeking an experienced Senior Java Full Stack Developer to support an Intelligence Community customer. This role will design, develop, integrate, and maintain enterprise web applications using Java and Angular technologies...SeniorTemporary workFlexible hours$140k - $142.09k
Overview The Work The Senior Full Stack Software Developer will play a critical role in the design, development, and delivery of the FDP system, leveraging a modern Postgres/Java/React technology stack. The engineer will collaborate closely with an existing, high-performing...SeniorFull timeTemporary workWork at officeLocal areaRemote workFlexible hours- ...NS2 Mission in Chantilly, VA is seeking an Expert Software Engineer to design, build, and evolve secure, scalable full-stack applications supporting Intelligence Community customers. You will work across the full software development lifecycle, contributing to backend...Senior
- ...Senior Full Stack Java Developer Location: McLean, VA We are seeking a Senior Full Stack Java Developer with strong expertise in Java development, Spring Boot, and automated testing. The ideal candidate will have experience building scalable enterprise applications...Senior
$107.9k - $195.05k
...systems and data more effectively.As a Sr. UI/IX Engineer, you will play a critical role... ...for someone who is more than a front-end developer. You are passionate about how technology feels... ...; Alexandria, VA; St. Louis, MO; Chantilly, VA; Tucson, AZ; Englewood, COType: Full timeSeniorFull timeContract work- ...Job Title: Senior Java Full Stack Developer Experience: 12+ Years Employment Type: Contract Location: Mclean, VA Job Summary We are seeking a highly experienced Senior Java Full Stack Developer with 12+ years of hands-on experience...SeniorContract work
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$85k - $170k
OverviewAs a Senior Software Developer, you will work with our growing DevSecOps practice delivering software features, APIs, and micros-service solutions. We are looking for candidates with experience with 3-5 years experience writing software using Agile and DevSecOps...Senior- ...Fullstack Java Developer McClean, Va ( 5 days onsite/ 1st round video/ final round onsite) Long term contract (6 months +) Technical Must Haves: Java 17+, SQ, Angular Soft Skill Must Haves: Excellent written and verbal Job Description • Must have 8...SeniorLong term contract
$85 - $90 per hour
...Position: AI Developer Location: McLean, Virginia Duration: Contract Job ID... ...seeking a highly skilled and experienced Full Stack Senior Developer to join our team. The ideal... ...data management, and execution across UI, API, and service layers. Define and...SeniorFull timeContract workTemporary work- Job Title: SENIOR FULL STACK DEVELOPER Job Duties : Design, develop, and maintain enterprise web applications using Angular, TypeScript, Node.js,... ...user interfaces with RESTful APIs and implement responsive UI frameworks. Support CI/CD pipelines and deployment processes...SeniorFull time
- ...Senior Full Stack Developer – (React, Node, AWS & Agentic AI), #1105 Location: Herndon, VA (hybrid once per quarter) Clearance: U.S. Citizenship required; must be able to obtain TSA Public Trust. Dev Technology is seeking a Senior Full Stack Developer to...SeniorFull timeRemote workFlexible hours
- Join CACI International Inc. as a Senior Full Stack Developer in Fairfax, VA, supporting the Department of Homeland Security's Cyber Crimes Center (C3). You will design and build scalable, secure web applications and investigative tools, employing modern full stack practices...Senior
$150k - $165k
...and Find Your Next! Summary As a key member of the team, the Senior Full Stack Developer will be responsible for the entire software development... ...implementation. Expert Proficiency and hands on experience with UI frameworks such as Angular, Bootstrap, jQuery, and...SeniorWork experience placementH1bWork at officeLocal area- ...Description Full Stack Developer Location: Chantilly, VA Must have an active TS/SCI FS Poly Looking for a full stack developer supporting a backend development team focused on middleware and backend services. Requirements Required Skills: Intermediate...Full time
$120k - $135k
...operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy. Description Title: Senior Full Stack Developer (.NET) Location: McLean, VA Terms: Full-time Salary Range: $120k – $135k DOE Clearance: Public Trust...SeniorPermanent employmentFull timeWork experience placementFlexible hours$130k - $225k
...Description Job Description What Impact You'll Have Northstrat, a GRVTY company is seeking an experienced and driven Senior Full Stack Developer to join our dynamic team. The ideal candidate will have extensive experience in both back-end and front-end development,...SeniorContract workImmediate start- ...________________________ We are seeking a highly skilled Senior Full Stack Developer's to design, develop, and maintain scalable web applications... ...GraphQL Familiarity with Agile/Scrum methodologies UI/UX best practices Qualifications: Bachelor's degree in...SeniorTemporary workLocal areaImmediate start
- ...company dedicated to providing governments worldwide its services of inspection, analysis, certification, and compliance. The Senior Full-Stack Developer builds the software that makes the service operable — the integration with the national customs system and port-community...SeniorWorldwide
$124.3k - $134.02k
...results. Learn more at About the OpportunityDMI is seeking a Senior Full-Stack Developer to help build and modernize a mission-critical Department... ...React and TypeScript, using Redux Toolkit for state, Material UI for theming, and Vite for builds; implement service workers...SeniorContract workInterim roleLocal areaRemote work- Senior Full Stack Developer Temporarily WFH due to COVID-19 | Baltimore, MD OR Fairfax, VA locations, VA We are seeking a Senior Level Full Stack... ...Full stack development across the back-end, client side, and UI. Engage with architects/product team to comprehend...SeniorWork from home
$131k - $150k
Responsibilities Technica Corporation is seeking a Senior Full Stack Developer. The Full Stack Developer will be a part of an agile software development... ...and Spring Boot, design and build secure and responsive UIs using React, and develop optimized PostgreSQL schemas and...SeniorWork experience placementRemote work- Senior Full Stack Developer ID 2026-3739 Job Locations US Category Information Technology Type Regular Full-Time Overview DecisionPoint is seeking an experienced Senior Full Stack Developers to support the MODES III program. This individual will design, develop...SeniorFull timeFor contractorsLocal areaRemote work
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