- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated, career and customer-oriented **Senior ETL Developer ** to join our team in **Chantilly, VA.** **Responsibilities include but are not ... limited to:** + Designing and implementing large-scale ingest systems in a Big Data environment + Optimizing all stages of the data lifecycle, from initial planning,… more
- ARSIEM (Annapolis Junction, MD)
- …every client you work with. ARSIEM is currently looking for a Mobile CNO Developer 2. The position will support one of our Government clients in Annapolis Junction, ... of eight (8) years' experience in computer science, information systems , or network engineering + Minimum six (6) years'...CNO Analyst/Programmers in daily tasks + Able to debug software and troubleshoot issues + Able to create and… more
- BigBear.ai (Annapolis Junction, MD)
- Overview BigBear.ai is seeking a Java Developer to work on a fast-moving software engineering team supporting a microservice ecosystem with several UIs. This ... The team is highly collaborative, and engineers are encouraged to help drive system design. The candidate will be working with mission very closely and interacting… more
- Red Gate Group (Reston, VA)
- …and employee wellbeing. The Red Gate Group is seeking a Mid-Level Full Stack Developer with a strong focus on front-end development to support the Defense Threat ... operations. From developing intuitive user interfaces to building robust back-end systems , you'll have the opportunity to own projects from concept to… more
- Leidos (Chantilly, VA)
- **Description** The **Montre Program** is seeking an experienced **Web Developer with JIRA experience** to manage and optimize a new installation of JIRA/Confluence ... with Customer Jira/Confluence Admin to provide suggestions, and solutions to system configuration as needed + Provide ad-hoc Program support with application,… more
- ICF (Reston, VA)
- Description ICF is seeking a motivated 2026 Summer Intern, Appian Developer to join our growing Appian delivery team. **This is an entry-level, 10-week, full-time ... Assist in integrating Appian applications with external databases and connected systems . + Support application testing, troubleshooting, and deployment activities. +… more
- ICF (Rockville, MD)
- …applications and databases by evaluating client needs; analyzing requirements; developing software systems + Bug fixing, browser testing, accessibility testing ... Description ICF Incorporated, LLC: Full Stack React Developer (Multiple Positions) Rockville, MD DUTIES: + Identifies requirements by establishing personal rapport… more
- Leidos (Columbia, MD)
- … or modify existing software to add new features. + Integrate existing software into new or modified systems or operating environments. + Develop simple data ... proposed databases or data repositories. + Write or review software and system documentation. + Develop or...accredited college or university. + **Clearance Required: Must have TS /SCI with Polygraph** + Must have Java development experience… more
- Lockheed Martin (Hanover, MD)
- …of all developed and modified software **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph\. * Minimum Fifteen \(15\) years of experience ... to new hardware, or to improve its performance * Design, develop and modify software systems , using scientific analysis and mathematical models to predict and… more
- Nightwing (Annapolis Junction, MD)
- …building and using tools to find, exploit, and productize vulnerabilities in complex software systems Experience with technical leadership What We Offer: Whether ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more