Front-End Software Engineer Tiber TechnologiesFront-End Software EngineerAnnapolis Junction, MarylandPosition Description: We are looking for a highly motivated Front-End Developer to play a lead role in front-end software development, including designing user interfaces and integrating UI functionality with backend APIs and databases. In this role, the candidate will also assist in developing exercise scenarios and lead efforts to leverage or develop scenario grading solutions in support of the customer’s critical training mission.
SOFTWARE ENGINEER - Team Lead/Front End - 12+ yrs of Experience - TS/SCI w/Poly clearance is required - TB - 0608 Halogen Engineering GroupSOFTWARE ENGINEER - Team Lead/Front End - 12+ yrs of Experience - TS/SCI w/Poly clearance is required - TB - 0608Annapolis Junction, Annapolis JunctionThe ideal candidate has front end experience, translates UX/UI designs into accessible, production-ready interfaces, and mentors junior developers while collaborating closely with system engineers and product stakeholders to resolve technical problem areas. Halogen Engineering Group is looking for a Software Engineer to join our team who can support Nightwing CODEX, directly meeting mission-critical needs in partnership with mission customers.
UI Developer BytoaUI DeveloperColumbia, MarylandYou'll work across multiple codebases using React and Angular, creating experiences that make complex AI tools accessible and delightful to use. We're seeking a motivated UI Developer to join a dynamic full-stack team of developers specializing in AI-integrated cyber solutions.
UI/UX Frontend Developer - Senior Titan Technologies CareerUI/UX Frontend Developer - SeniorFort Meade, MarylandThe JCO Development and Sustainment contract will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure Joint Cyber Command and Control (JCC2) meets operational requirements and matures existing government owned software in an efficient and effective manner. The purpose of the JCO effort is to provide Joint Cyber Command and Control (JCC2) Scaled Agile Framework (SAFe) Agile software development and maintenance/sustainment support deployment of capabilities through application releases, containerization, integration, and data engineering work.
UX/UI Developer Mobomo, LLCUX/UI DeveloperWashington, DCFull timeMicro-Frontend (MFE) Architecture: Experience designing and maintaining multiple micro-frontend services using single-spa . Cross-Application Communication: Ability to implement robust communication patterns between MFEs using utility modules, shared state, or custom browser events for a unified user experience.
NewSr. UI/UX Frontend Software Developer - Hybrid Titan Technologies CareerSr. UI/UX Frontend Software Developer - HybridReston, VirginiaTitan Technologies, LLC and our wholly owned subsidiaries, TelaForce, LLC, Titan Facilities, Inc. and Zen Strategics, design, build, integrate, and manage innovative solutions and software applications. This role involves developing and enhancing responsive web applications, collaborating with cross-functional teams, and applying design principles to optimize usability and operational performance.
Full Stack Developer Marathon TSFull Stack DeveloperRosslyn, VAWork with data scientists and analysts to rapidly design, implement, test, and deploy applications capable to tackling complex analytical tasks using large datasets. " Proven expertise providing administration, configuration, security assurance, automation, and scripting support for Jira Software Cloud, Confluence Cloud, and Atlassian Guard.
Full Stack Developer Network Designs Inc.Full Stack DeveloperWashington, DCFull timeAs a Service-Disabled Veteran-Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service while recognizing the unique skills and experiences they bring to our organization. Full Stack Developers are at the core of the VA's digital transformation, building modern, integrated, and user-friendly applications that directly improve how Veterans access healthcare and benefits.
NewSoftware Developer TalTeam, IncSoftware DeveloperBethesda, MarylandFull timeResearch and learn new technologies and acquire new skills through independent studyEDUCATION & EXPERIENCE: Typically requires BS degree or equivalent experience and 5+ years prior relevant experience. Software Development Team MemberAs a member of our software development team, the individual will provide expertise in front-end and back-end development across a large enterprise application development team.
Senior PowerApps Developer - DCPS Shiftcode Analytics, IncSenior PowerApps Developer - DCPSWashington, DCREQUIRED (R) / DESIRED (D) /NICE-TO-HAVE (N) SKILLS: Ite m Skill Required/Desir ed Years 1 Bachelor's degree in IT or related field or equivalent experience Required 15 2 HTML, CSS, JavaScript, and modern front-end frameworks (Angular, React, Vue.js) Required 11 3 Experience with RESTful APIs and integrating front-end interfaces with backend systems Required 11 4 Problem-solving skills and the ability to debug and troubleshoot complex front-end issues Required 11 5 Proficient in version control systems (e.g., Git) and code collaboration tools Required 6 6 Understanding of UI/UX principles and the ability to translate wireframes into functional web interfaces Required 6 7 SQL experience Highly Desired 6 8 Database design, documentation, and coding Highly Desired 6 9 Designing and implementing PowerApps applications Required 5 1 0 QuickBase Application Design and Development Highly Desired 3 1 1 Service Now Developer experience Highly Desired 3 12 The candidate must be willing to work onsite 3 to 4 days on site. The contractor shall establish suitable processes and systems to guarantee the most regimented organization of resources involved in the support of the QuickBase Applications including project tracking and knowledge management.
Software Developer SME (Systems Software) (Ts/Sci With Poly Required) GCI IncSoftware Developer SME (Systems Software) (Ts/Sci With Poly Required)Dulles, VAThe employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. Playwright, Jest, Mocha, Cypress) to create unit tests, integration tests, and end-to-end tests to ensure code stability and high quality output.
Senior Full Stack Developer TS/SCI (or eligible) VibrintSenior Full Stack Developer TS/SCI (or eligible)Reston, VAFull timeWorking alongside many of the most talented professionals in public service, we work tirelessly to create and sustain new solutions and services that meet the stringent demands across a variety of customer missions. To meet growing client demand, we are continuously seeking top talent across our core competencies, building a strong pipeline of exceptional professionals ready to support current and future mission needs.
Software Developer - Expert Amentum Services IncSoftware Developer - ExpertMD$165,000–$173,000 / yearSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Software Developer (.NET) (Sign-on Bonus Eligible) Amentum Services IncSoftware Developer (.NET) (Sign-on Bonus Eligible)MD$140,000–$147,000 / yearWe are seeking Software Developers and Data Analysts with at least two years of experience in website coding, basic graphics techniques, Structured Query Language (SQL), Hypertext Markup Language (HTML), and Extensible Markup Language (XML). Data Management: o Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Software Developer - Senior Amentum Services IncSoftware Developer - SeniorMD$140,000–$147,000 / yearSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
PowerApps Developer Senior AHU TechnologiesPowerApps Developer SeniorWashington, District of Columbia$61–$68 / hourEmployment type: Contract w2/1099/C2C Complete Description: The client is looking for an aim to engage an experienced developer with at least 4 years of experience to maintain a suite of previously created applications as well as design, develop, and document projects and applications using PowerApps and the Power Platform suite. REQUIRED EXPERIENCE: 15 years INTERVIEWS: In Person Job Description: The client is looking for an aim to engage an experienced developer to maintain a suite of previously created applications as well as design, develop, and document projects in PowerApps.
Software Developer - Expert AmentumSoftware Developer - ExpertMarylandSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Software Developer (.NET) (Sign-on Bonus Eligible) AmentumSoftware Developer (.NET) (Sign-on Bonus Eligible)MarylandWe are seeking Software Developers and Data Analysts with at least two years of experience in website coding, basic graphics techniques, Structured Query Language (SQL), Hypertext Markup Language (HTML), and Extensible Markup Language (XML). o Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Software Developer - Senior AmentumSoftware Developer - SeniorMarylandSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
UXUI Developer ManTech International CorpUXUI DeveloperDC$85,000–$141,600 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Senior .NET Developer Evolver FederalSenior .NET DeveloperWashington, DCFull timeWe help customers secure critical systems, modernize enterprise technology, and solve complex operational challenges through integrated capabilities spanning cybersecurity, enterprise IT infrastructure, cloud, software development, data analytics, legal technology and eDiscovery, applied AI, and electronic security systems. Expertise with web development using Microsoft tools to include Visual Studio, VS Code, Azure Data Studio, Azure DevOps, Microsoft IIS Server, and SQL Server Management Studio.
UI/UX Web Developer CACI International IncUI/UX Web DeveloperMD$103,800–$218,100 / yearPay 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. Responsibilities: Develop SharePoint from OOTB to custom applications and UX/UI (2010, 2013, 2016, 2019, Online, O365) by maintaining large lists and libraries, permissions and site structures, custom workflows, and Microsoft best practices.
Full Stack Developer #1768470 Network Design IncFull Stack Developer #1768470DCWhy This Role Matters: Full Stack Developers are at the core of the VA's digital transformation, building modern, integrated, and user-friendly applications that directly improve how Veterans access healthcare and benefits. Veterans First Commitment: As a Service-Disabled Veteran-Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service while recognizing the unique skills and experiences they bring to our organization.
Senior .Net Developer Network Designs Inc.Senior .Net DeveloperAlexandria, VAFull timeAs a Service-Disabled Veteran-Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service while recognizing the unique skills and experiences they bring to our organization. This will be a hands-on technical development position supporting sustainment (O&M) for legacy applications and modernization of infrastructure services including SQL backend, NET Core and Framework, and Angular front-end.
Lead Application Developer Bart & Associates IncLead Application DeveloperSuitland, MDIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. We are seeking a Subject Matter Expert (SME)level Lead Application Developer to lead the design and development of new and modernized applications for the U.S. Census Bureaus Decennial Transformation and Application Modernization (DTAM) effort.
Lead Application Developer Bart & AssociatesLead Application DeveloperSuitland, MDIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. This role provides technical and management leadership on major application development assignments, applying coding and documentation best practices and adhering to USCB technical and security requirements and SDLC frameworks.
Business Intelligence Developer (BI Analyst) Expert In Recruitment SolutionsBusiness Intelligence Developer (BI Analyst)Fort Meade, MDRequired Skills Extensive hands-on experience architecting and building interactive dashboards, operational views, and geospatial analytics using GUI-based data platforms (e.g., Palantir MAVEN/Foundry, Kibana, Splunk, or Tableau). Serve as a MAVEN Architecture & Mission Integration SME: Architect, design, and lead the development of advanced operational dashboards and mission views within the MAVEN Smart System ecosystem, acting as the primary technical authority for DISA J 3/5/7 MAVEN deployments.
Full Stack Developer with Agentic AI (Clearance Required) Logistics Management InstituteFull Stack Developer with Agentic AI (Clearance Required)VA$109,986–$189,154 / yearProviding direct support to the multiple customers, this Full-Stack Developer will: Leverage advanced agentic AI tools to quickly add new functionality into existing code stacks within large, complex programs. Experience with testing, security, DevSecOps, and CI/CD processes: Proficient in integrating with automated testing frameworks, following security protocols, and following secure, continuous integration/continuous deployment pipelines.
Software Developer SME (Systems Software) (TS/SCI with Poly Required) GCI, Inc.Software Developer SME (Systems Software) (TS/SCI with Poly Required)VAThe employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. Playwright, Jest, Mocha, Cypress) to create unit tests, integration tests, and end-to-end tests to ensure code stability and high quality output.
UI Software Developer CACI International IncUI Software DeveloperChantilly, VA$120,800–$265,800 / yearPay 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. We value team members who strive to produce high quality work through collaboration with team members and customers while making a difference through individual contributions to ensure project success for our team and our customers.
Senior Developer HireTalentSenior DeveloperMcLean, VARemoteExcellent understanding of various relational databases (such as Oracle, SQL Server, MySQL, DB2) and data modeling tools (such as Erwin and SQL Data Modeler). Excellent experience working with application frameworks (such as Struts, Spring, Hibernate, JavaServer Faces (JSF), Google Web Toolkit (GWT)).
Full Stack Developer (Cleared) KentroFull Stack Developer (Cleared)Washington, Washington, DCIdeal candidates bring strong experience across both front-end and back-end development, a solid understanding of modern frameworks and cloud environments, and the ability to collaborate effectively across cross-functional teams in fast-paced settings. Kentro is always interested in connecting with cleared Full Stack Developers who are passionate about building scalable, high-performance web applications and delivering seamless end-to-end user experiences.
Full Stack Developer EccalonFull Stack DeveloperHanover, MarylandHands-on experience integrating LLM APIs (Anthropic Claude, OpenAI, or similar) into production applications; demonstrated ability to write effective prompts, implement RAG pipelines, and build tool-use/agentic workflows. Integrate LLM and AI capabilities into product features using the Anthropic API (Claude) and other model providers; apply prompt engineering, retrieval-augmented generation (RAG), and agentic workflow patterns to build intelligent, context-aware application experiences.
Java Full Stack Developer - TS/SCI w/Poly Cohere Technology Group LLCJava Full Stack Developer - TS/SCI w/PolyChantilly, VAThe team is building a large-scale enterprise application using web technologies, distributed computation and storage frameworks, and sophisticated, cutting-edge domain analytics, with the system hosted on virtualized and cloud-computing platforms. The Java Full Stack Developer will develop software and extend the software baseline to implement new capabilities and to mature existing capabilities using key enabling technologies and frameworks.
Sharepoint Spfx & Power Platform Developer Bart & AssociatesSharepoint Spfx & Power Platform DeveloperWashington, DCIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.
SharePoint SPFx & Power Platform Developer Bart & Associates IncSharePoint SPFx & Power Platform DeveloperWashington, DCIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.
Full Stack Developer Xpect Solutions IncFull Stack DeveloperCrystal City, VAThe successful candidate will design, build, and maintain end-to-end applications spanning Java/Spring Boot microservices on the back end and modern React-based interfaces on the front end, deployed to AWS within a RHEL environment. The role works alongside solutions architects, DevSecOps engineers, and mission stakeholders to translate operational requirements into production-ready capabilities, with an emphasis on security, scalability, and continuous delivery.
Applications Developer Senior (.NET) AHU TechnologiesApplications Developer Senior (.NET)Washington, District of Columbia$61–$68 / hourClients OIS/Application Support Division I is looking for a Senior Application Developers whose primary responsibilities include design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using application software development languages/environments with. The successful candidates will demonstrate the following knowledge, skills, characteristics, experiences and/or abilities: Capable of design, develop and deploy applications that support users on the case and program management especially with ERAP application.
AI/ML Software Developer InterImageAI/ML Software DeveloperArlington, VirginiaThis role sits at the intersection of software engineering, data engineering, and AI innovation, supporting the development of enterprise solutions that leverage large datasets and advanced language models. We are seeking a highly skilled Full Stack Developer with strong software design expertise to design, build, and scale modern applications that integrate data-intensive systems and Generative AI capabilities.
Full Stack Developer - Remote Cherokee Nation BusinessesFull Stack Developer - RemoteWashington DC, DCRemote$130,000–$150,000 / yearIn this role, the FSE will be a key individual contributor comfortable with owning end-to-end design, development, and deployment of components to support a dynamic web application and back-end data processing solution, closely collaborating with product owners and stakeholders. The position will require a blend of front-end to back-end development and integration skills, API development, and understanding of event-driven data workflow processing, and DevSecOps automation experience in an AWS GovCloud environment.
Ai/Ml Software Developer InterImageAi/Ml Software DeveloperArlington, VAThis role sits at the intersection of software engineering, data engineering, and AI innovation, supporting the development of enterprise solutions that leverage large datasets and advanced language models. We are seeking a highly skilled Full Stack Developer with strong software design expertise to design, build, and scale modern applications that integrate data-intensive systems and Generative AI capabilities.
Senior Appian Developer Astor & SandersSenior Appian DeveloperMcLean, VAProvide high-level architectural expertise and ensure solutions adhere to DOL’s enterprise architecture and relevant compliance (FISMA, FedRAMP). The Senior Appian Developer is responsible for hands-on Appian application development, directing interdisciplinary technical teams, and ensuring robust system functionality.
Senior Appian Developer Systems Integration & DevelopmentSenior Appian DeveloperMclean, VA$120,000–$170,000 / yearProvide high-level architectural expertise and ensure solutions adhere to DOL's enterprise architecture and relevant compliance (FISMA, FedRAMP). The Senior Appian Developer is responsible for hands-on Appian application development, directing interdisciplinary technical teams, and ensuring robust system functionality.
Junior Full Stack Developer ASSYSTJunior Full Stack DeveloperSterling, VirginiaBuild responsive and user-friendly interfaces using HTML, CSS, JavaScript, and modern frameworks such as React or Angular. This is an excellent opportunity for an early-career software developer to work on modern web applications while gaining hands-on experience across both front-end and back-end technologies.
NewPrincipal .NET Developer Bright Vision TechnologiesPrincipal .NET DeveloperAshburn, VARemote$120,000–$170,000 / yearThis role spans the full engineering lifecycle — requirements analysis, architectural design, hands-on implementation, code review, deployment, and post-release support — with particular emphasis on building scalable APIs, responsive front-end applications, and cloud-integrated services. NET Developer Location: 100% Remote (United States) Position Type: Full-time, Direct W2 Salary Range: $120,000–$170,000 Annually Experience: 6+ years Sponsorship: U.S.
Senior Full Stack Developer-LAMP Associated Builders and Contractors IncSenior Full Stack Developer-LAMPWashington, DC$140,000–$155,000 / yearBecome a Member Accredited Quality Contractors Awards and Recognition Beam Club Membership Business Discounts Code of Ethics Construction Jobs Employee Discounts Excellence in Construction Health and Safety Alliance Insurance Trust MasterFormat (CSI Codes) & NAICS Codes National Connections Peer Groups Strategic Partners Tech Marketplace Top Performers Total Wellness Partners. This role works collaboratively with cross-functional teams, including business stakeholders, subject matter experts and IT team to design and manage the critical SAAS application using the LAMP technology stack (Linux, Apache, MySQL and PHP).
Senior .Net & REACT Full Stack Developer Synergy ECPSenior .Net & REACT Full Stack DeveloperWashington, District of ColumbiaC#, ADO.NET, EF) Familiarity or experience with architecture styles/APIs (REST, RPC) Develop and maintain web applications using React, TypeScript, JavaScript, Node.js and HTML5/CSS3 Design and implement both front-end and back-end components of the application. Work/Life Balance : A healthy work/life balance is essential for building and executing your work effectively at NSI/Synergy ECP, but it’s also necessary to allow you the room to pursue everything you want to develop in your personal life.
Full Stack Developer Madison-DavisFull Stack DeveloperMcLean, VA$45This role is focused on building and maintaining scalable web applications, backend services, and enterprise solutions while contributing to modernization efforts and supporting production environments. A growing enterprise organization is seeking an experienced Full Stack Developer to support application development, modernization initiatives, and cloud-enabled technology platforms.
Web Developer (Telework Available) Red Arch SolutionsWeb Developer (Telework Available)Annapolis Junction, MD$180,000–$187,000 / yearEight (8) or more years of experience with the following web application and/or front-end languages and technologies plus a Bachelor’s degree in a technical discipline from an accredited college or university is required OR Twelve (12) years of development experience may be substituted for candidates without a qualifying bachelor’s degree. Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data.
Microsoft Power Platform Developer AHU TechnologiesMicrosoft Power Platform DeveloperWashington, District of Columbia$66–$71 / hourComplete Description: PowerApps Developer (Contractor) Client aims to engage an experienced developer with at least 4 years of experience to maintain a suite of previously created applications as well as design, develop, and document projects and applications using PowerApps and the Power Platform suite. The contractor shall establish suitable processes and systems to guarantee the most regimented organization of resources involved in the support of the QuickBase Applications including project tracking and knowledge management.