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- ...CACI International is seeking a Senior COTS Developer to support a mission-critical NGA program. You will design, develop, and maintain components... ..., SQL, and HTML, with experience in data migrations and API development. This is a full-time, on-site position in a national...SeniorFull time
CACI International
Springfield, VA1 day ago - ...NorthHill Technology Resources LLC is seeking a Senior API Management Engineer in Springfield, VA. You will join the CORE team to deliver enterprise API gateway deployments, ensuring reliability, performance, and scalable cloud operations for federal clients. The role...Senior
NorthHill Technology Resources
Springfield, VA4 days ago - ...ISN Corporation in Bethesda, MD seeks a Senior Salesforce Developer to build and maintain custom Salesforce applications and APIs for federal programs. This hands-on role focuses on Apex and LWC, production support, and secure, scalable designs with direct impact on national...Senior
Information-Systems-and-Networks-Corporation
Bethesda, MD3 days ago - ...Millennial Software seeks a Senior Backend Software Developer to join our team supporting National Security. You’ll design, develop, and maintain scalable APIs and services, focusing on backend architecture, data modeling, integrations, performance, and reliability....Senior
Millennial Software
Chantilly, Fairfax County, VA1 day ago - ...Vantor is hiring a Senior Software Engineer to join our Services team, delivering high‑performance API‑driven services and data‑ingest pipelines for FMI programs. You will work with government customers to modernize, secure, and deploy scalable solutions in a cloud‑native...Senior
Maxar Technologies
Washington DC1 day ago - ...Vantor is seeking an API/Java/Python Developer to join our Services team, working with U.S. Government customers to sustain and modernize a Program of Record for FMI data. The role focuses on building high-performance API-driven services and data pipelines in a secure...Senior
Maxar Technologies
Washington DC1 day ago - ...Software Engineer V to lead design, development, and modernization of complex software solutions for DOJ OJP OCIO. The role focuses on API design, integrations, automation, and secure engineering practices across production systems. You will guide DIAMD integrations...Senior
Leidos
Reston, VA1 day ago $114.6k - $252.1k
Job Title: Senior Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee... ...Reston as business needs arise.Responsibilities:Design, develop, and maintain integration interfaces between Oracle...SeniorContract workWork experience placementImmediate startRemote workFlexible hoursCACI International
Reston, VA13 hours ago$190k
...B4Corp in McLean, VA is seeking a Senior AI/ML Engineer to develop and integrate AI/ML-enabled applications focusing on LLM integration, RAG capabilities... ...hours 9am–4pm. Responsibilities include building REST APIs in Python, designing PostgreSQL schemas, and improving...SeniorB4Corp
McLean, VA2 days ago- ...active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.Vantor has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for...SeniorPermanent employmentFull time
Maxar Technologies
Arlington, VA1 day ago - ...the external Model Context Protocol (MCP) strategy and AI platform integrations, requiring deep product management expertise in API and developer experience. Candidates should have over 12 years of experience and strong communication skills. The company offers a hybrid...SeniorWork at office
Cvent
McLean, VA1 day ago - ...engineeringjobs.net, Inc. is seeking a senior-level engineer to design, develop, and maintain scalable cloud-based applications and RESTful APIs using Java, Angular, and Python in a secure AWS environment. You will automate infrastructure with CloudFormation and integrate...Senior
VT Group (VTG)
Chantilly, Fairfax County, VA3 days ago - ...stack. You’ll collaborate with business partners to translate requirements into scalable solutions using Java, Spark, Hive, and RESTful APIs. You will join an Agile team, identify opportunities to improve architectures, and adopt new technologies. The role rewards...Senior
- ...seeking a highly skilled Full Stack Software Engineer to design, develop, and deploy scalable web-based applications and data-driven... ...databases, and containerized deployments. You will work with complex APIs, diverse data systems, and modern architectures to deliver high-...Senior
VTG Defense
Chantilly, Fairfax County, VA1 day ago $180k - $220k
...of custom coded tools to take data from other products (through APIs) and present them in a custom defined dashboard. The candidate... ...candidate will coordinate their own development work with other developers/DBAs and manage the planning and implementation, configuration,...SeniorFull timeFor contractorsRemote workShift work- ...Job DescriptionJob DescriptionPOSITION OVERVIEWThe Senior Platform Engineer stands up, automates, and sustains the infrastructure the Customer's enterprise API gateway runs on. The role covers container platform engineering, infrastructure-as-code, deployment automation...SeniorFor contractors
BaseCamp Consulting Solutions
Reston, VA1 day ago - ...Job DescriptionJob DescriptionDescription: The Senior ColdFusion / AWS Developer will serve as the senior application development and cloud technical... ...deployed within AWS environments.Develop and maintain APIs and integrations with external systems.Work closely with...SeniorContract workFor contractors
ARES Enterprise
Springfield, VA1 day ago - ...CACI is seeking a Senior COTS Developer to support a mission-critical NGA program. You will design, modify, and maintain COTS-based applications, build interfaces, and write SQL to extract data for reports while enabling BI and system integration. Eligible candidates...Senior
CACi
Herndon, VA1 day ago - ...ZoomInfo Technologies LLC is seeking a Senior Full Stack Software Engineer on the Workflows team to rebuild a high-scale platform, focusing on backend services while contributing across the stack. You will partner with product, design, and platform teams with ownership...Senior
ZoomInfo Technologies LLC
Bethesda, MD1 day ago $320k
..., MD Springfield, VA Top Secret/SCI Full Scope Polygraph Senior Level Career (10+ yrs experience) Salary not specified Join... ...SCI w/ Full Scope Polygraph to be considered. Summary: • Develop backend services and APIs in Rust for a cloud-based network orchestration platform....SeniorClearanceJobs
Springfield, VA5 days ago$320k
...classified device development program. Design, develop, and maintain product software and... ...hardware interface adapters and define service APIs. Deploy distributed systems utilizing... ...NSA, CIA, FBI, etc) Full Scope Polygraph Senior Level Career (10+ yrs experience) Salary...SeniorClearanceJobs
Springfield, VA1 day ago- ...federal contractor, is seeking a highly skilled and motivated Senior CANO Developer to join our team! In this role, you will conduct... ...Windows Active Directory.Tool development leveraging the Windows API/Win32 modules.Expertise in AV/EDR evasion techniques.3-5 years...SeniorFor contractors
Oak Grove Technologies
Fort Belvoir, VA3 days ago - ...Nalley Consulting is seeking a Full Stack Software Engineer to develop, integrate, test, and maintain software capabilities from requirements through production delivery at the DIA HQ in Washington, DC. You will work across the technology stack with engineers, architects...Senior
NALLEY CONSULTING, LLC
Washington DC4 days ago $338k
...Secret/SCI w/ Full Scope Polygraph to be considered.Job Description• Develop and maintain software for embedded Linux devices and distributed... ...hardware interface adapters and define scalable service APIs • Automate hardware-in-the-loop testing and build robust continuous...SeniorClearanceJobs
Springfield, VA5 days ago- ...SENIOR FULL STACK DEVELOPER (TS/SCI CLEARANCE) Springfield, VA Information Technology NorthHill Technology Resources has a need for a Senior... ...or Vue considered. Back end: Python services and APIs (FastAPI, Django or Flask) Designing and consuming RESTful...SeniorFull time
NorthHill Technology Resources
Springfield, VA2 days ago $222k
DescriptionPosition: Senior Developer Location: Rosslyn, VA, Clearance: SecretThe Senior Developer leads the design, development, and optimization... ...• Proficiency with system integration, microservices, and API development• Excellent analytical, troubleshooting, and...SeniorActioNet
Rosslyn, VA13 hours ago- ...Senior Software Developer With Python ExperienceNorthHill Technology Resources has a need for a Senior Software Developer with Python experience... ...and/or Scala.Experience developing and integrating RESTful APIs, Git-based workflows, automated unit/integration/system testing...Senior
NorthHill Technology
Springfield, VA4 days ago $120.8k - $265.8k
Job Title: Senior COTS DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum... ...is seeking a experienced Senior COTS Developer to support a mission-critical program for... ...software· Support system integration and API development to connect COTS applications...SeniorContract workWork experience placementLocal areaFlexible hoursCACI International
Herndon, VA13 hours ago$130k - $216k
...Trust What You Will Do: We are seeking a Power Platform Developer and an Innovation Specialist to support a modernization effort... ...SharePoint, and third-party data sources via connectors and custom APIs Implement RBAC, row-level security, and table permissions...SeniorTemporary workLocal areaFlexible hoursGuidehouse
Springfield, VA1 day ago- ...Red Arch Solutions, Inc. is seeking a Data Integration Engineer in Reston, VA to design, develop, and maintain data integration pipelines supporting analytics, sharing, and reporting. This role emphasizes data mapping, transformation, normalization, quality validation...Senior
Red Arch Solutions
Reston, VA2 days ago
