- System One (Ashburn, VA)
- Job Title: API Developer Location: Remote, Vienna, VA Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Responsibilities: * Extensive ... closely with Business Analyst/Requirements Analyst and Scrum Master for Cloud-Native API implementation * Oversee peer code reviews and provide active guidance… more
- CGI Technologies and Solutions, Inc. (Reston, VA)
- **Python Developer with AI** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Reston **Position ID:** J0625-1360 ... Description:** CGI has an immediate need for a Python Developer with AI to join our team. This is...and SNS. * Experience building RESTful APIs using Fast API or Flask. * Comfortable working with HTTP-based services… more
- CACI International (Ashburn, VA)
- Gen AI Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel ... Opportunity:** CACI is currently looking for a Gen AI Developer to join our BEAGLE (Border Enforcement Applications for...methods, familiarity with data formats, and skilled in handling API errors. + Ability to understand API … more
- Leidos (Chantilly, VA)
- …our customers' challenging missions? We are seeking an AWS Admin/Full Stack Developer motivated by variety, is seeking a challenging environment for professional ... program for one of our national security clients. The AWS Admin/Full Stack Developer will design, develop, deploy and support technical solutions in a collaborative… more
- Koniag Government Services (Chantilly, VA)
- Salesforce Developer /Architect (REMOTE) Virtual Req #560 Wednesday, June 11, 2025 **Koniag IT Solutions,** a Koniag Government Services company, is seeking a ... Salesforce Architect/ Developer to support **KITS** and our government customer. This...experience designing large-scale Salesforce implementations + Strong knowledge of API integration patterns and middleware solutions + Experience with… more
- Shuvel Digital (Ashburn, VA)
- Job Description: Looking for a Software Developer , with a strong background with C++ to support an exciting DHS software development program. The ideal candidate ... connectivity, and managed services is a plus. The Software Developer will have knowledge of developing applications using JAVA,...with C, C++, and C# + Familiarity with Win API , JSON messaging, and creating Jenkins pipelines. + Strong… more
- Koniag Government Services (Chantilly, VA)
- Full-Stack Developer (REMOTE) Virtual Req #501 Monday, June 2, 2025 **Koniag IT Systems, LLC,** a Koniag Government Services company, is seeking an experienced ... senior-Level Full-Stack Developer with an active Secret security clearance to support...including but not limited to, REST, Type/Script/JavaScript, Node.js, Amazon API Gateway, AWS Lambda, and Amazon S3. + Design… more
- The Metamorphosis Group (Chantilly, VA)
- Software Developer - US Citizens only - TS/SCI/FSP REQUIRED Chantilly, VA . Government/Military Apply Now Software Developer /System Software US Citizens only! ... identify, mitigate, troubleshoot and solve complex technical problems (JAVA Persistence API ). 3. Demonstrated experience with design and implementation of enterprise… more
- CGI Technologies and Solutions, Inc. (Reston, VA)
- **AWS Python Developer ** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Reston **Position ID:** J0625-1542 **Employment ... has an immediate need for an AWS Cloud Application Developer to join our team. This is an exciting...scalable code in Python and or Java.* Experience building API on AWS cloud.* Develop sound version control best… more
- Acclaim Technical Services (Herndon, VA)
- …area firms and continues to grow. We are actively hiring a Full Stack Developer with TS/SCI clearance and polygraph to join our Mission Technology and Solutions ... Integrate data from one system to another via REST API + Become an expert on an AWS data...Technical skills: Understanding of JAVA Microservices; Understanding of REST API ; Understanding of AWS data workflow that includes Lambda,… more
- ICF (Reston, VA)
- …SCRUM Agile methodology to iteratively develop and test Salesforce solutions. As Senior Developer , you will lead integrations using Web Services and APIs and lead ... third-party applications** using web services like SOAP or REST API with OAuth. + **2+ years** of experience with...third-party applications using web services like SOAP or REST API with OAuth. + Desire experience with ETL/ESB tools… more
- Athenix Solutions Group, LLC (Chantilly, VA)
- Athenix Solutions Group is looking to hire a Database Developer to support a large program in the Chantilly, VA area. This opportunity will provide operations and ... and database development for legacy databases for systems to include the enterprise API Gateway, EDW and new modern databases consistent with the Sponsor's business… more
- M. C. Dean (Chantilly, VA)
- …lives, and changing the world for the better. We are seeking a **ServiceNow Developer ** to join our **Security and Electronic Systems (SES)** business Unit. As part ... roll out of new applications and modules, configure application UI, workflow, and API . + Create, maintain configuration management on the ServiceNow platform in all… more
- Nightwing (Herndon, VA)
- …defense, civil, and commercial markets. Nightwing is seeking a Database Developer to support a multifaceted global software deployment project. Specifically for ... the Database Developer , the project needs experienced support in extract, transform,...clusters such as Hadoop or similar. Demonstrated experience with API development techniques. Demonstrated experience developing and deploying ETL… more
- CACI International (Herndon, VA)
- Full Stack Web Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * * CACI is seeking a Full Stack Web Developer to create custom enterprise web application solutions to...leadership) + Experience with NoSQL databases + Experience with API development concepts (SOAP, REST, HTTP, XML, JSON, etc.)… more
- Leidos (Reston, VA)
- **Description** **Leidos** has a new and exciting opportunity for a **MarkLogic Developer SME** in our **National Security Sector's (NSS) Cyber & Analytics Business ... and make a difference in National Security!** **Job Summary** This Java Developer role with expertise in developing MarkLogic based applications provides Agile… more
- Robert Half Technology (Sterling, VA)
- Description We are looking for a skilled Software Developer to join our team in Sterling, Virginia. This position offers a dynamic opportunity to work on ... CSS and Shadcn UI components. * Expertise in Node.js and familiarity with API development and Socket.io. * Solid understanding of MongoDB and database schema design.… more
- ManTech (Ashburn, VA)
- **ManTech** seeks a motivated, career and customer oriented **Senior Full Stack Developer ** to join our team in **Ashburn, Virginia** . This position is onsite two ... automated application delivery using Harness or Jenkins + Experience with RESTful API design and development + Solid communication and interpersonal skills, with the… more
- Shuvel Digital (Ashburn, VA)
- Job Description: We are seeking a Mobile App Developer to provide technical expertise on a mission-critical program whose purpose is to develop, modernize, enhance, ... experience) + Requires experience in both Front-end Mobile and Back-end RESTFUL API development. + Requires experience in development of JAVA, Node JS applications.… more
- Leidos (Ashburn, VA)
- …The National Security Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is ... & iOS + Requires experience in both Front-end Mobile and Back-end RESTFUL API development. + Requires experience in development of JAVA, Node JS applications. +… more