UNKNOWN

FEED

For persons who are deaf, hard of hearing, deafblind, or deaf-disabled, XLA will provide an American Sign Language (ASL) interpreter where needed as a reasonable accommodation for the hiring processes. If a reasonable accommodation is needed to participate in the job application or interview process or to perform essential job functions, please contact our HR team by phone at 703-584-8317 or via email at humanresources@xla.com.

YEAR

Senior Full Stack Web Developer

ea_via_bold

You will build and maintain applications using Python, React.js, Java/Spring Boot, PostgreSQL, NoSQL databases, and AWS services while collaborating with cross-functional Agile teams. The ideal candidate has hands-on experience with modern software development practices, cloud technologies, AI-assisted development tools, and delivering high-quality solutions that meet client requirements.

Phizenix

Senior Full stack Developer

Frontend Development: Minimum 2 years of experience in at least two technologies, including React, Angular, Redux, HTML, CSS, JSX, Bootstrap, ES6, JWT, JSON, Babel, Webpack, Axios, NPM, or Node.js. We are seeking an experienced Full Stack Developer to support a mission-critical Department of Homeland Security (DHS) and U.S. Customs and Border Protection (CBP) program within the Passenger Systems Program Directorate (PSPD).

Novul Solutions

Full Stack Developer - Hybrid

Zoho

In this position, you will work within small teams to develop and deploy mission-critical systems, reverse-engineer network application protocols, and develop tools for complex data and network analysis. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.

Grvty

Senior CNO Developer

Full stack Developer

The role supports the full technology stack, including responsive user interfaces, back-end services and APIs, databases, cloud infrastructure, automated testing, and CI/CD pipelines. Maintain code and technical documentation, including designs, APIs, build guides, diagrams, procedures, and runbooks; participate in Agile ceremonies and Jira-based task tracking.

Full Stack Developer

FULL_TIME

There are many 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. Acclaim Technical Services (ATS) , founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies.

Acclaim Technical Services

Full Stack Developer (2026-0236)

partner JazzHR

Overview: BigBear.ai is seeking a Mid-Level AI/LLM Developer to support the development and implementation of AI-focused initiatives and pilot efforts supporting the Transportation Security Administration (TSA). This role will contribute to the development of AI-enabled capabilities from concept through implementation and will work closely with technical and functional teams to design, develop, test, integrate, and deploy solutions.

Bigbear.ai

AI/LLM Developer

[AW]-iCims

We connect high-potential data, AI, and software professionals with meaningful work on the cutting edge of the federal sector, and our aim reaches beyond any single opening: to help you understand your strengths, find the right role, and grow throughout your career. Those needs may appear in an opening, but they do not redefine the role: the Database Developer remains accountable for database-resident logic, data integrity, query behavior, and safe schema change.

OpenDataJobs

Database Developer Role

Workable

With strong knowledge of Dataverse, SQL, SharePoint, GOTS systems, configuration management processes, and integration requirements, this role provides critical technical evaluations, solves complex engineering problems, and mentors junior developers to ensure high-quality, compliance, and scalable solutions. The Senior Power Platform Developer serves as a technical expert in designing, developing, and implementing advanced solutions built on Microsoft Power Platform in support of Army Records Management and similar DoD programs.

SOS International LLC

Senior Power Platform Developer

4yr Bachelors degree requiredTS clearance required to applyCurrent SAFe Software Certification (ASE) requiredMinimum 8 years in one of the following: C#, Java, Python, AWS Cloud based solutionsResponsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics.

Bow Wave LLC

Software Developer - SME - Wash DC - TS required to apply

Talent Acquisition

Bachelors requiredTop Secret clearance required to applyMinimum 5 years experienceRequired programming languages: Python, C#, Java, AWS CloudResponsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics.

Software Developer - Mid - TS required to apply - Wash DC

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

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

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

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.

Senior 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

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

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

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. 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.

<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.

Application Developer Jobs in Ashburn, VA

Senior Full Stack Web Developer XLA

Senior Full stack Developer Phizenix

Full Stack Developer - Hybrid Novul Solutions

Senior CNO Developer Grvty

Full stack Developer Phizenix

Full Stack Developer Novul Solutions

Full Stack Developer (2026-0236) Acclaim Technical Services

AI/LLM Developer Bigbear.ai

Database Developer Role OpenDataJobs

Senior Power Platform Developer SOS International LLC

Software Developer - SME - Wash DC - TS required to apply Bow Wave LLC

Software Developer - Mid - TS required to apply - Wash DC Bow Wave LLC

Java Full-Stack Developer Senior Science Applications International Corp

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

Lead Full-Stack Developer Guidehouse

Senior Full Stack Developer VTG

Appian Developer BayNova LLC

Sr. Marklogic Developer Leidos Holdings Inc.

Cloud Architect/Developer/Engineer CSI

Full Stack Developer, Senior CACI

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