UNKNOWN

FEED

Our 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.

YEAR

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Software Engineer 25k Sign on Bonus!

Software Developer, Full Stack Engineer, Web Developer, Front End Developer, Back End Developer, JavaScript Developer, UI Developer, Application Developer, Front End Engineer, React Developer, Vue Developer, Angular Developer, UI/UX Developer, Full Stack Software Engineer, ect. Computer Science, Software Engineering, Information Technology, Computer Engineering, Web Development, Information Systems, Data Science, Human-Computer Interaction, Cybersecurity, Mathematics, etc.

Cymertek

Full Stack Developer (ReactJS, Vue, Angular)

ea_via_bold

As a key member of a high-performing Agile team on the Chinook program, you'll use Playwright to build robust automated tests that validate mission-critical user workflows and Bruno and/or Postman to verify the accuracy, reliability, and security of APIs that connect essential systems and data. Leidos is seeking a Senior Test Automation Engineer to help deliver mission-essential software capabilities that enable intelligence professionals to access critical information, analyze data, and support time-sensitive national security operations.

Senior Automated Test Engineer

Responsibilities: Build and enhance front‑end user interfaces using React (including hooks, functional components, state management libraries). We are seeking a versatile mid‑level software developer (5+ years of professional experience) to join our defense‑focused engineering team.

PROLIM Global Corporation

Software Engineer - React/Java/C++ - US Citizens Only

Pay Range : There 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. Whether your expertise is in full-stack application development or modern front-end engineering, you'll collaborate with architects, engineers, and mission stakeholders to deliver secure, scalable, and high-performing software solutions.

<span itemprop="name">CACI</span> provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>.<br/>
      <br/>
      We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Data Engineer

Science Applications International Corp

Full-Stack Developer

Software Developer, Full Stack Engineer, Web Developer, Application Developer, Back End Developer, Front End Developer, NET Developer, C# Developer, Cloud Developer, JavaScript Engineer, AWS Developer, System Engineer, Full Stack Software Engineer, Platform Engineer, ect. Computer Science, Software Engineering, Information Technology, Web Development, Computer Engineering, Data Science, Information Systems, Cloud Computing, Network Engineering, Cybersecurity, Applied Mathematics, ect.

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Frontend Developer, Web Developer, User Interface Designer, UI Engineer, Frontend Engineer, Web Application Developer, Interaction Designer, UI/UX Developer, Visual Designer, React Developer, ect. Computer Science, Software Engineering, Web Development, Graphic Design, Human-Computer Interaction, Information Technology, Interaction Design, Multimedia Design, Digital Media, Applied Mathematics, ect.

UI Developer

SecDevOps & Automation Responsibilities: Architect, implement, and maintain secure CI/CD pipelines with integrated security gates, including static and dynamic application security testing (SAST/DAST), software composition analysis (SCA), container scanning, and secrets management. This role requires deep expertise spanning software development, IT operations, systems engineering, and security engineering, with the ability to bridge gaps between systems, teams, and processes while serving as a hands-on technical leader.

Senior DevSecOps & Systems Engineer (Full Stack)

FULL_TIME

Overview: VTG 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.

UI/UX Developer

[AW]-iCims

HOUR

2+ years of relational database experience including generating complex queries, setting up database connections, and automating query processing, with familiarity in querying ML feature stores or data pipelines. Requirements: Detailed knowledge of Salesforce applications, ML model lifecycle, and Generative AI concepts including LLMs, prompt engineering, RAG (Retrieval-Augmented Generation), and vector databases.

ICONMA, LLC

Software Engineer

jobdiva

A Bachelor’s degree or higher in Computer Science or a related discipline from an accredited college or university plus fourteen (14) years of experience in software engineering (OR) An Associate's Degree, a High School Diploma or GED plus eighteen (18) years of general software engineering experience. (Note: Software Engineer Level III's require a relevant Bachelor's degree or higher plus twenty (20) years of software engineering experience (OR) an Associate's Degree, a High School Diploma or GED plus twenty-four (24) years of general software engineering experience.) .

Prosync

Software Engineer Ii/Iii (Java)

This role partners closely with the Program Manager, Product Managers, and stakeholders to shape product strategy, define technical direction, and ensure delivery aligns with mission outcomes, user needs, and long-term platform sustainability. The ideal candidate balances hands-on architectural expertise with product and program-level thinking, serving as a trusted technical advisor who translates business objectives into scalable, secure, and maintainable solutions.

Tria Federal

Senior Application Architect

GreenHouseAPI

OTHER

The UI/UX & Frontend Developer combines user experience research, wireframing, prototyping, responsive design, and hands-on front-end development to create seamless digital experiences. The ideal candidate excels in design thinking, has strong visual and iterative design skills, and is skilled at translating wireframes and prototypes into robust, maintainable UI components.

Cayuse Holdings

UI/UX & Frontend Developer

Job Title: UI/UX Web DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * CACI is seeking a UI/UX Web Developer to use SharePoint's and other custom web development capabilities to provide rapid prototyping of integrated web applications. Pay Range : There 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.

UI/UX Web Developer

Job Title: UI Software DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: CACI is seeking a front-end Software Developer with agile methodology experience to augment a team of developers, in support of the development of an application in high paced, technologically evolving environment. Pay Range : There 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.

UI Software Developer

Required Qualifications•Minimum 8 years of experience in web application or SharePoint development•Strong experience with SharePoint Online and SharePoint SE, including migration or modernization work•Experience with Microsoft 365 Power Platform (Power Apps, Power Automate, Dataverse)•Proficiency in modern front-end technologies including HTML, CSS, JavaScript, and React•Familiarity with building and consuming APIs (REST required; RPC optional)•Experience integrating custom components with enterprise systems via APIs•Strong knowledge of software development best practices, source control, testing, and documentation•Ability to redesign information architecture and translate UX wireframes into functional interfaces•Excellent communication skills, with demonstrated success interacting with program leadership and stakeholders•Experience providing technical direction to junior developers or small teams•Strong debugging, problem solving, and analytical skillsPreferred Skills•Experience with Git or other version control systems•Knowledge of cloud governance, workflows, and secure application patterns within Microsoft 365•Understanding of modern authentication and authorization patterns (OAuth, Graph API)•Experience working in Agile/Scrum environments•Experience with database integration or Dataverse modeling•Familiarity with modern web development frameworks and libraries beyond React IOD SharePoint Application Development LeadClearance & Work Location Requirements •TS/SCI•Onsite 5 days per week at JEH (Washington D.C.)•Technical stack: SharePoint, React, JavaScript, Power Platform, APIsPosition: IT Subject Matter Expert – Senior (WSU)Education: Bachelor's requiredExperience: Minimum 8 yearsPosition SummaryThe SharePoint Application Development Lead will oversee the modernization, migration, and redevelopment of seven SharePoint-based applications as the program transitions from SharePoint Server SE to SharePoint Online.

Bow Wave LLC

Sharepoint Development Lead - TS required to apply - Wash DC

Talent Acquisition

Shapes the visual design, interactive architecture, and user experience of software applications through human-centered research, prototyping, and modern frontend implementation. Conduct user research, usability testing, and workflow mapping to translate stakeholder needs into intuitive designs.

TOMORROW HIRE

Ui/Ux Developer - Active Ts/Sci With Full Scope Polygraph (Fsp)

Join the Staffmatch team - Recruitment & Careers Our values Innovation We encourage all employees to innovate, detect new opportunities and show curiosity. Human Our organization evolves regularly with the aim of exceeding our objectives but also of developing our employees internally. Customer satisfaction We are committed t...

Front End Developer Jobs in Mclean, VA

Software Engineer 25k Sign on Bonus! Leidos Holdings Inc

Full Stack Developer (ReactJS, Vue, Angular) Cymertek

Senior Automated Test Engineer Leidos Holdings Inc

Software Engineer - React/Java/C++ - US Citizens Only PROLIM Global Corporation

Data Engineer CACI

Full-Stack Developer Science Applications International Corp

Full Stack Developer (C# / .Net / JS / SQL / AWS) Cymertek

UI Developer Cymertek

Senior DevSecOps & Systems Engineer (Full Stack) Science Applications International Corp

UI/UX Developer VTG

Software Engineer ICONMA, LLC

Software Engineer Ii/Iii (Java) Prosync

Senior Application Architect Tria Federal

UI/UX & Frontend Developer Cayuse Holdings

UI/UX Web Developer CACI

UI Software Developer CACI

Sharepoint Development Lead - TS required to apply - Wash DC Bow Wave LLC

Ui/Ux Developer - Active Ts/Sci With Full Scope Polygraph (Fsp) TOMORROW HIRE

ESOL Program Manager Maryland Nonprofits

Development Associate Maryland Nonprofits

Similar Job Searches

See More Jobs

Stand out to leading employers.