Software Engineer Leidos Holdings IncSoftware EngineerColumbia, MD$107,900–$195,050 / yearFor 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. 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.
Senior Software Engineer Leidos Holdings IncSenior Software EngineerAnnapolis Junction, MD$131,300–$237,350 / yearFor 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. 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.
UI/UX Developer with Testing Skills CymertekUI/UX Developer with Testing SkillsAnnapolis Junction, MarylandComputer Science, Software Engineering, Web Development, Graphic Design, Human-Computer Interaction, Interaction Design, Information Technology, Digital Media, Multimedia Design, Applied Mathematics, ect. UI/UX Designer, Frontend Developer, Web Developer, Interaction Designer, UI/UX Engineer, UX Researcher, Usability Analyst, UI Developer, Frontend Engineer, Web Application Developer, ect.
NewSr. Software Engineer Essential Software IncSr. Software EngineerRockville, MDRemoteFull timeLead projects involving multiple contributors (or independently drive a complex project): set milestones, break work into manageable tasks, delegate when needed, and adjust timelines as complexity emerges. The data ecosystems are dynamic and evolving infrastructures that bring together data from various collections generated or held at institutions across the country and worldwide, ensuring quality and consistency for the broader research community.
Senior‑Level User Experience Designer (JavaScript) ProObject IncSenior‑Level User Experience Designer (JavaScript)Annapolis Junction, MD$145,000–$165,000 / yearIDS is seeking a Senior‑Level User Experience (UX) Designer to support the Analysis and Mitigation mission through UX design and front‑end development for Agentic Knowledge Management Systems. To apply for this role, please apply here: https://idsinternational.applytojob.com/apply/mjbMqlu9xh/SeniorLevel-User-Experience-Designer-JavaScript .
Front End Developer Two Six Technologies IncFront End DeveloperArlington, VA$120,209–$180,314 / yearSalary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements. Follow provided UI/UX designs/mockups and be comfortable suggesting improvements, designing, and implementing while handling edge cases and error states given a broad intent.
Mid-Level Software Developer Fusion TechnologyMid-Level Software DeveloperWashington, DCRemoteFull timeExperience is important to us: You have a Bachelor's degree with 3 years of experienceExperienced Software Developer:At least 3 years in Java or similar object-oriented programming languageExperience working with Spring Boot REST APIs and SOAP web servicesExperience with HTML front-end development and building dynamic web applications using JSP and ServletsExperience with Elasticsearch or OpensearchExperience with Oracle SQLExperience with Maven for managing code librariesFamiliarity with GIT, Bitbucket, or a similar version control systemBonus points if you have:Familiarity with AWS or similar cloud servicesFamiliarity with Jenkins and writing Jenkins pipelinesFamiliarity with Jira and working in AgileFamiliarity with containers (Docker/Kubernetes)Familiarity with NIEM XMLWhat you'll do: The software developer will be responsible for developing and maintaining Jaa Spring Boot REST services, SOAP services, web applications, as well as custom libraries. Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's Criminal Justice Information Services Division's Headquarters.
Full Stack Developer with Gen AI PeopleNTech LLCFull Stack Developer with Gen AIAlexandria, VA$110,000–$120,000 / yearThe ideal candidate should be comfortable discussing and designing end-to-end web application architectures, with a strong focus on frontend development and communication between frontend and backend systems. Experience in RESTful API development ( Fast API preferred), Hands-on experience with API integration , including front-end-to-backend communication.
Senior‑Level User Experience Designer (JavaScript) IDS InternationalSenior‑Level User Experience Designer (JavaScript)Annapolis Junction, MD$145,000–$165,000 / yearWrite and maintain front‑end code to implement UX designs• Design and conduct user interviews, surveys, and usability tests to identify trends, insights, and opportunities for improvement• Develop front‑end components using modern web technologies• Collaborate with backend developers to integrate front‑end code with existing backend services• Ensure front‑end implementations meet performance, accessibility, and cross‑browser compatibility requirements• Develop and maintain UX documentation including design guidelines, style guides, technical plans, milestones, and user guides. • Bachelor’s degree with eight (8) years of relevant experience, or Master’s degree with six (6) years, or Doctoral degree with four (4) years• Alternatively, Associate’s degree with ten (10) years of relevant experience, or high school diploma/GED with twelve (12) years of relevant experience• Experience working in Agile development environments• Experience with HTML, CSS, JavaScript• Experience with modern front‑end frameworks including React and Vue.js• Active TS/SCI with Polygraph.
UI/UX Developer VTG.UI/UX DeveloperChantilly, VAVTG is seeking a UI/UX Developer to design and develop intuitive, visually engaging, and user-centered digital experiences across multiple applications. This role combines UI/UX design, user research, prototyping, and front-end development, requiring someone who can take user requirements from initial research and design through functional implementation.
Senior‑Level User Experience Designer (Javascript) IDS InternationalSenior‑Level User Experience Designer (Javascript)Annapolis Junction, MD$145,000–$165,000 / yearCombining operational expertise with an intimate understanding of today's greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world. IDS is seeking a Senior‑Level User Experience (UX) Designer to support the Analysis and Mitigation mission through UX design and front‑end development for Agentic Knowledge Management Systems.
Full-Stack Software Engineer (Java/Spring Boot), Intelligence Community Mission Program, Fort Meade, MD BizFirstFull-Stack Software Engineer (Java/Spring Boot), Intelligence Community Mission Program, Fort Meade, MDHoward, MDIts systems, software, and data science engineers work side by side with government teams to model, design, integrate, and deploy complex mission systems, and the company also builds rugged RF hardware for specialized SIGINT applications. This role suits a seasoned Java engineer who is equally comfortable in Spring Boot and a modern JavaScript framework, and who enjoys building tools that mission users rely on every day.
Software Engineer 25k Sign on Bonus! Leidos Holdings IncSoftware Engineer 25k Sign on Bonus!Columbia, MD$107,900–$195,050 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. 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.
UI Developer PeopleNTech LLCUI DeveloperAlexandria, VARemote$110,000–$120,000 / hourProven experience in unit testing and test automation using frameworks such as Jasmine, Karma, Jest, or similar, with a focus on increasing code coverage and reliability. · Skilled in identifying, prioritizing, and reducing UI technical debt through refactoring, code modernization, performance optimization, and adherence to engineering best practices.
Software Engineer SME Leidos Holdings IncSoftware Engineer SMEChantilly, VA$131,300–$237,350 / yearThe SME will serve as a senior technical authority within the development team, helping establish sound engineering practices, resolve complex technical challenges, mentor other engineers, and collaborate closely with government and contractor stakeholders. You will work alongside talented engineers, architects, mission experts, and government stakeholders to develop and deliver secure, scalable, and modern software capabilities that support critical national security objectives.
Front-End Developer / 508 Compliance Specialist Reflexive ConceptsFront-End Developer / 508 Compliance SpecialistAnnapolis Junction, Maryland508 Testing & Remediation: Perform comprehensive accessibility testing using JAWS and other screen readers, identifying and remediating issues related to keyboard navigation, focus management, ARIA implementation, color contrast, and semantic HTML structure. This role involves close collaboration with a cross-functional Agile team of software developers, systems engineers, and product owners to build and validate accessible, compliant, and high-quality user interfaces.
Senior Software Engineer / Data Scientist (Training Systems) LeidosSenior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
NewSenior Developer-Full Stack IconmaSenior Developer-Full StackMcLean, VAEnhance existing access control and authorization mechanisms and extend job queuing and scheduling capabilities to support concurrent execution, prioritization, and resource allocation. Modernize the platform UI architecture through thoughtful redesign and implementation improve overall structure, information hierarchy, usability, and layout organization across functional modules.
Senior Full Stack Engineer, TS/SCI w/Polygraph Mitre CorpSenior Full Stack Engineer, TS/SCI w/PolygraphMcLean, VA$122,400–$153,000 / yearWith objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation's health, security, and prosperity. Experience developing web applications with different architectures including server-side rendering (SSR), single page applications (SPAs), and hybrid applications (interactive islands pattern).
Lead Software Engineer, TS/SCI w/ Polygraph Mitre CorpLead Software Engineer, TS/SCI w/ PolygraphMcLean, VA$156,800–$196,000 / yearBasic Qualifications: Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years' experience or equivalent combination of related education and work experience. Experience developing web applications with different architectures including server-side rendering (SSR), single page applications (SPAs), and hybrid applications (interactive islands pattern).