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- ...is partnering with Babel Street to find a Principal Engineer, API & MCP Platform . Please see details below: About the Role... ...and delivering API-first platform capabilities that enable both developers and AI agents to interact with Babel Street’s services. You will...SuggestedWork at officeRemote work
Hatch IT
Reston, VA23 days ago - A leading staffing solutions company is seeking a Python Developer for a hybrid position in McLean, VA. The ideal candidate will have over... ...Django and Flask, and be well-versed in developing RESTful APIs. Responsibilities include maintaining code quality, optimizing...SuggestedHourly pay
- ...Mid-Level API Java Developer Herndon, VA We are seeking a Mid-level API Java Developer, to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We're...SuggestedLocal areaRemote workFlexible hours
NT Concepts
Herndon, VA1 day ago $180k
...seeking an SME Systems Engineer to provide technical leadership for API Gateway technologies, cloud architecture, and enterprise... ...necessary to allow you the room to pursue everything you want to develop in your personal life. We offer a generous Paid Time Off benefit...SuggestedFlexible hoursSynergy ECP
Sterling, VA14 hours ago- ...Backend/API Engineer Everforth ECS is seeking a Backend/API Engineer to work in the National Capital Region covering the Pentagon... ...to production model artifacts within Unclassified networks. Developing scalable serving frameworks using Kubernetes services, API...SuggestedContract work
ECS
Fairfax, VA2 days ago - ECS is seeking a Backend/API Engineer to join their team in the National Capital Region, specifically for the War Data Platform initiative... ...and must possess a current Secret security clearance. You will develop scalable backend components and maintain the integration of AI...Suggested
$150k - $180k
Steampunk in McLean, Virginia, is seeking a Senior Integration Architect to enhance our DevSecOps practice. This role focuses on developing APIs and integration solutions to connect various services and data efficiently. Candidates should have a strong background in cloud...Suggested- Backend/API Engineer Everforth ECS is seeking a Backend/API Engineer to work in the National Capital Region covering the Pentagon, Falls... ...to production model artifacts within Unclassified networks. Develop scalable serving frameworks using Kubernetes, API gateways,...SuggestedContract workLocal area
- ...Full-stack Engineer - Model Zoo UI/API Everforth ECS is seeking a Full-stack Engineer - Model Zoo UI/API to work in the National... ...at mission speed. Responsibilities include: Developing and advancing user interface and application programming interface...SuggestedContract work
ECS
Fairfax, VA2 days ago $85k - $170k
Steampunk is looking for a Mulesoft Developer to join our DevSecOps practice in McLean, Virginia. The successful candidate will develop APIs and integrations using the Mulesoft platform, ensuring systems are functional and secure. The role requires a B.S. in IT or equivalent...Suggested- ...Web Application / API Services Developer – Mid Level (FI2) Looking for an opportunity to revitalize an application that is used by everyone in our customer space? That's right, we're in the enviable position of starting from the beginning -- meaning we have the privilege...Suggested
Trinity Enterprise Services, LLC
Chantilly, Loudoun County, VA25 days ago - ...global border security, threat detection, and analytics systems. In this role, you'll develop responsive front-end applications and integrate with C#/.NET microservices and APIs powering real-time data platforms. You'll work alongside senior engineers, DevOps, and product...SuggestedContract workRemote work
SECURIPORT
Reston, VA2 days ago - ...build scalable, high-impact systems supporting global border security and threat detection. In this role, you'll develop C#/.NET backend services, APIs, and microservices that power real-time data processing and analytics platforms. You'll work closely with senior...SuggestedContract workRemote work
SECURIPORT
Reston, VA12 days ago - ...(TS/SCI w POLY REQUIRED) Software Tester / QA Engineer (Web & API Testing) We are seeking a detail-oriented and technically skilled... ...as Postman and Swagger to test, document, and validate APIs Develop and maintain automated test scripts using frameworks such as...Suggested
Falls Technology
Chantilly, Loudoun County, VA23 days ago $110k - $150k
...Job Title: API developer with Tenable Location: McLean, VA Type: Contract To Hire Compensation: $110,000.00 - $150,000.00 Contractor Work Model: Hybrid – onsite and remote Responsibilities Develop and maintain custom connectors between Tenable and...SuggestedContract workFor contractorsLocal areaRemote workSystem One Holdings, LLC
McLean, VA3 days ago$65 - $70 per hour
...Senior Java Developer (SW1001398) ? Location: Manassas, VA (Hybrid - Minimum 2 days onsite/week) ? Duration: 12+ Month Contract... ...role requires strong expertise in Java, Spring Boot, and REST API development , along with experience in Linux environments and scripting...Long term contractContract workLocal area2 days per weekThe Midtown Group
Manassas, VA14 hours ago- ...Job Description Job Description Description LT Consulting is looking for an API developer to develop custom solutions for our clients. The role will focus on back end development using a variety of software languages. This position is located in Northern Virginia...
LT Consulting
Chantilly, Loudoun County, VA25 days ago - Ampcus, Inc is seeking a skilled Java Full Stack Developer in McLean, VA, to enhance and maintain internal applications. The role primarily involves backend development with Java, Spring, REST, and AWS, alongside UI development using JavaScript, TypeScript, and Angular....
- ...'ll have the opportunity to work with emerging technologies and develop your skills alongside industry experts who are reshaping digital... ...performance, time-to-market vs. quality). ~ Expertise in API design and integration, including REST, gRPC, GraphQL, OpenAPI,...Contract work
Oteemo Inc
Manassas, VA4 days ago $65 - $70 per hour
...Java Developer (Senior | 5-8 Years) - Payments Applications Location: Manassas, VA (Hybrid - minimum 2 days onsite) Duration: 1... ...using Java and Spring Boot Develop and maintain RESTful APIs and integrate third-party services Collaborate closely with...Long term contractContract workLocal areaThe Midtown Group
Manassas, VA14 hours ago- ...historical and real-time data feeds using WebGPU. Design and develop data models using Postgres and Apache Iceberg. Modify real-time... ...as React Context. Experience with Node.js, GraphQL, and REST APIs. Proficiency with SQL/PostgreSQL. Knowledge of Docker and...Full timeLocal areaHome officeRelocation packageNight shift
Spear AI
Manassas, VA9 days ago - ...Senior C++ Developer Analyze requirements for the development of new features and enhancements to existing components. Articulate... ...production as necessary. Skills: C/C++, ProtoBuf, gRPC, API Design, Oracle PL/SQL, GDB, Valgrind, Multithreading, Tuxedo,...
TechWish
Manassas, VA2 days ago - ...our Appian Implementation. Perform the role of an Intermediate Developer. Develop and unit test code following development standards... ...Dev teams to maintain our environments: Certificate renewal API Key renewal LDAP/SAML Authentication To be successful in...Full timeContract workPart timeLocal areaRemote workFlexible hours
Serco
Manassas, VA3 days ago - TLA-LLC is looking for a skilled Full Stack Developer to join our team in McLean, Virginia. You will design, develop, and maintain robust web applications, ensuring optimal performance across platforms. The ideal candidate is proficient in front-end technologies like HTML...
- Job Description Job Description Summary: Mu-Del Electronics is looking to hire a Mid-level or Senior RF Engineer with PCB layout experience. They will work with software and mechanical engineers by generating RF schematics/BOMs and layout out the PCB to be sent ...
Mu-Del Electronics
Manassas, VA1 day ago $187k - $253k
...experience US Citizenship Required: Yes Job Description: Deliver simple solutions to complex problems as an Full Stack API Developer at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application...Full timeTemporary workPart timeWork experience placementImmediate startRemote workWorldwideFlexible hours- ...expertise to protect our country from threats. Job Description Deliver simple solutions to complex problems as an Full Stack API Developer at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application...Work experience placement
$131.3k - $237.35k
...customers. This role sits at the intersection of helping end users, developing new features, and coordinating with technical partners to... ...Experience supporting full-stack solutions including RESTful API and Angular-based web UI Experience with networking protocols...Local areaImmediate startLeidos
Manassas, VA14 hours ago- ...utilizes data and technology. We are looking for a Mid-Level Software Developer to join our team and contribute to the design, development, and... ...authentication, and role-based access control. Integrate APIs, databases, and other services to support functionality...Contract work
Redhorse Corporation
Chantilly, Loudoun County, VA4 days ago - ...Maritime Engineering Operation (MEO). This candidate will design, develop, and support low-code solutions (Power Apps, Power Automate,... ...using Flankspeed-approved connectors and patterns; implement secure APIs and middleware where required. Ensure compliance with...Full timeContract workPart timeWork at officeLocal areaFlexible hours3 days per week
Serco
Herndon, VA14 hours ago
