UNKNOWN

FEED

Experience developing modern full-stack web applications using JavaScript frameworks such as React or Angular, RESTful APIs, and relational databases (SQL Server, PostgreSQL, or Oracle). Our projects are built around a great user experience, developing custom software that supports business process and workflows, analytical, data management and reporting capabilities for our customers.  .

YEAR

Akumen, Inc.

Senior Full Stack Developer

GreenHouseAPI

Working closely with the tech lead and senior developers, the developer will participate in the system architecture design, development, integration testing and validation, and all aspects of the software life cycle (requirements to design to implementation to test) for a java backend application involving extensive Messaging and Transaction processing. SAIC is currently seeking a motivated, career and customer oriented, and hands on mid-level Java Developer with cloud experience to join our team to begin an exciting and challenging career in Ashburn, Va.

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.

Science Applications International Corp

Java Full-Stack Developer Senior

FULL_TIME

Overview: We are seeking an experienced Senior Full Stack Software Engineer to maintain and modernize legacy applications while designing and developing scalable software solutions using Java, Spring Boot, Angular, TypeScript, and Amazon Web Services (AWS). This role requires strong technical expertise, problem-solving capabilities, and the ability to collaborate with internal and external teams to deliver solutions that meet customer requirements.

[AW]-iCims

Responsible for designing, developing, and deploying secure, scalable applications that integrate agentic artificial intelligence, large language models (LLMs), knowledge graphs, and traditional enterprise software within Department of Defense (DoD) environments. Working directly with other engineers, architects, data scientists, analysts, and mission users, the Full Stack Developer will deliver agentic AI and knowledge graph features culminating in an enterprise-level analytics platform.

Red Horse Corporation Ltd.

Full Stack Developer

Additionally, based on a DevOps framework, you will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. 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.

Leidos Holdings Inc.

Sr. Marklogic Developer

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Depending on current team needs, responsibilities may include: developing cloud systems plans and strategy; implementation of enterprise infrastructure and platforms required for cloud computing; and design, development, and deployment of applications into a Cloud or Hybrid Cloud; contribute to development of security authorization documentation; represent program in design reviews and demonstrations; and mentor junior developers. Cloud: Amazon Web Services (e.g., Commercial and Government Cloud Services for DoD and IC, EMR w/Spark and RDS, EC2, EBS, S3, Route 53, RDS, VPC, ELB, CloudWatch, CloudFormation, CloudTrail, Blue Green deployment, Auto scaling, Trusted Advisor, Identity & Access Management, Simple Notation Service, Billing Console), Microsoft Azure.

Cloud Architect/Developer/Engineer

Job Title: Full Stack 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 an experienced Full Stack Developer to support the design, development, operations, and sustainment of mission-critical applications, data analytics products, and services. Five or more years of software development and/or full stack development experience using technologies and tools such as:JavaScript and TypeScriptPythonNode.jsCommand-line tools such as NPMGitAWS services, including EC2, S3, RDS, EBS, ELB, and related cloud technologies.

<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

Collaborate with user experience designers, platform engineers, product owners, solution architects, business analysts, and full-stack development teams to design, build, test, and deploy high-value, operationally resilient software products on AWS that meet functional and non-functional requirements. Serve as a key member of the modernization team, leading and mentoring full-stack development teams while providing technical guidance and architectural oversight for innovative solution prototypes using cloud architectures and modern software technologies.

Guidehouse

Lead Full-Stack Developer

Work will include investigating solutions to problems and developing and modifying existing process flows to help improve the application to better meet the needs of the user community. Focus on business logic and process flows, working on the design and development of business logic, process models/flows, and UI screens to implement in a BPM (Business Process Management) based system.

BayNova LLC

Appian Developer

Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. SAIC is currently seeking a motivated, career and customer-oriented Mid-Level Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SAIC Federal Systems.

Full Stack .Net Developer

HOUR

This version positions the role as a hybrid AI Engineer + Business Intelligence Developer, to build AI solutions while also delivering executive reporting, KPI dashboards, and measurable business outcomes. 3+ years of experience building production-level AI or ML systems, including LLMs, AI agents, or complex automation frameworks.[KN1.1].

ICONMA, LLC

Agentic AI Engineer / AI Developer (with Business Intelligence & Reporting)

jobdiva

CACI is currently looking for a Senior iOS Developer with strong native Swift experience and Agile methodology expertise to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting the Customs and Border Protection (CBP) client located in Northern Virginia! 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.

Mobile Developer (iOS / Swift)

Job Title: PeopleSoft 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 isseeking aPeopleSoft Developer. 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.

PeopleSoft Developer

Responsibilities: Design, develop, test, and maintain responsive, interactive, and user-friendly web applications using JavaScript and modern front-end technologies. This position requires hands-on front-end development experience, strong problem-solving skills, and an understanding of modern software development practices.

Senior Front End Developer

Job Title: Full Stack Developer, SeniorJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: Top SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * * The Opportunity: Experience with general Software concepts – Software as a Service, Microservices, Containerization, Cross-browser compatibility, Web User Interface Design, Security Principles, Object-Oriented Design, Web Services.

Full Stack Developer, Senior

Technical knowledge is insufficient to establish credibility in this operating environment; expertise must be enhanced with rapid acquisition of mission knowledge and demonstrated commitment positive mission outcomes; therefore, we seek self-starters who are capable of independent exploration and knowledge acquisition, willing to develop informal support networks, and with an appreciation for the immense challenge of safeguarding the Nation’s borders. As an SME member, you will also play a key role in architectural decisions, mentoring junior developers, and driving best practices within the team Applicants should note that while some formal training exists to support building knowledge of missions and the implementation of data-driven solutions, much of the knowledge must be gained through on-the-job training and individual initiative.

SourceFly

SME Full Stack Developer - Java/Python , Clearance Required

The ideal candidate will work across the full software development lifecycle in an Agile environment, collaborating with product managers, architects, data engineers, DevOps professionals, security teams, and business stakeholders to deliver reliable and mission-focused technology solutions. Analytica is seeking a Full Stack Developer to support the design, development, testing, deployment, and maintenance of secure, scalable enterprise applications for a federal government client.

Analytica

Marklogic Developer (Sme)

We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. The core challenge: delivering secure, scalable, and high-performing enterprise applications in fast-paced Agile environments while maintaining operational reliability and modernization objectives.

Revolutional, LLC

Junior Full Stack Developer

Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. The ideal candidate will possess strong problem-solving skills and the ability to troubleshoot, integrate, and optimize software solutions across multiple platforms.

Application Developer Jobs in Ashburn, VA

Senior Full Stack Developer Akumen, Inc.

Java Full-Stack Developer Senior Science Applications International Corp

Senior Full Stack Developer VTG

Full Stack Developer Red Horse Corporation Ltd.

Sr. Marklogic Developer Leidos Holdings Inc.

Cloud Architect/Developer/Engineer CSI

Full Stack Developer CACI

Lead Full-Stack Developer Guidehouse

Appian Developer BayNova LLC

Full Stack .Net Developer Science Applications International Corp

Agentic AI Engineer / AI Developer (with Business Intelligence & Reporting) ICONMA, LLC

Mobile Developer (iOS / Swift) CACI

PeopleSoft Developer CACI

Senior Front End Developer VTG

Full Stack Developer, Senior CACI

SME Full Stack Developer - Java/Python , Clearance Required SourceFly

Full Stack Developer Analytica

Marklogic Developer (Sme) Leidos Holdings Inc.

Junior Full Stack Developer Revolutional, LLC

Sharepoint Developer ValidaTek

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