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$197.3k - $225.1k
...Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, Protocol, AWS) Do you love building and pioneering at... ...pipelines that defend Capital One's applications at scale Develop and maintain Python-based automation and tooling that manages...SuggestedFull timePart timeInternshipH1bLocal areaCapital One
McLean, VAa month ago$130k - $216k
Job Family:Technology ConsultingTravel Required:Up to 50%Clearance Required:Ability to Obtain Public TrustWhat You Will Do:The API Developer/Data Engineering Managing (Lead) Consultant serves as a trusted advisor and delivery lead for AI and Data engagements. This role...SuggestedFull timeRemote workFlexible hours- ...Job Title: Java API Developer - 100% remote Location: Remote Type: Contract Compensation: Negotiable Work Model: Remote – offsite Hours: 40 hours a week Security Clearance: None but full background check required Responsibilities Develop and implement...SuggestedContract workTemporary workLocal areaRemote work
System One
Merrifield, VA10 days ago $130k - $216k
...hands-on expertise in Python, Java/JavaScript, .NET (C#), RESTful APIs, XML, and SQL, including SQL Server. We need experience... ...XML, and Parquet. We need experience building data pipelines, developing ontology or data models, and mapping relationships across systems...SuggestedFull timeFlexible hoursNavigant Consulting
McLean, VA8 days ago$60 - $70 per hour
...Title: API Developer Location: Merrifield, VA Duration: 6+ Month Contract Compensation : $60/HR - $70/HR Work Requirements: US Citizen, GC Holders or Authorized to Work in the U.S. Skillset / Experience: We are looking for a Senior...SuggestedContract workLocal areaFlexible hoursINSPYR Solutions
Falls Church, VA1 day ago$88.2k - $190.9k
API/Java/Python Developer, SME TS Clearance REQUIRED Position Description Position Description CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology...SuggestedLocal areaArlington, VAmore than 2 months 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...SuggestedFull timeContract workRemote work
Securiport
Reston, VA21 hours 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...SuggestedFull timeContract workRemote work
Securiport
Reston, VA21 hours ago - ...Server, with Kafka, RabbitMQ, or IMB MQ as a plus. You will work on APIs, microservices, and distributed systems, contributing to a... ...performance software ecosystem. You will collaborate with senior developers, DevOps engineers, and data experts in an Agile team...SuggestedFull timeContract workRemote work
Securiport
Reston, VA21 hours ago - ...TS/SCI w POLY REQUIRED) Software Tester / QA Engineer (Web & API Testing) We are seeking a detail-oriented and technically... ...Postman and Swagger to test, document, and validate APIs Develop and maintain automated test scripts using frameworks such as Cypress...SuggestedFull time
Falls Technology
Chantilly, Loudoun County, VA21 hours ago - ...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...SuggestedWork experience placement
General Dynamics Information Technology
Chantilly, Loudoun County, VA23 days ago $197.3k - $225.1k
...Lead Software Engineer (AWS, Python, Java, React, Generative AI APIs) Do you love building and pioneering in the technology... ...Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack...SuggestedFull timePart timeInternshipH1bLocal area$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, VAmore than 2 months ago- ...computer systems, language, and/or equipment. Designs, codes, tests, develops, and documents application programs for computer systems. Works... ...experience. Key Responsibilities • Participate in migration of APIs, Products, Catalogs, Developer Portals, and DataPower...SuggestedWork experience placementImmediate startRemote work
- ...Job Description Job Description One Federal Solution is seeking an experienced API Backend Developer to support the National Agricultural Library (NAL) Library Support System. The successful candidate will provide backend development services with a primary focus on...Suggested
One Federal Solution
Beltsville, MD20 days ago $86.8k - $198k
...based, or SaaSExperience with subscription lifecycle such as subscribe, entitle, provision, meter, or unsubscribeExperience with key APIs such as entitlement checks, metering and usage reportingHS diploma or GEDNice If You Have: Experience publishing or maintaining...Full timeContract workPart timeWork at officeLocal areaRemote work- Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing... ...in ASP.NET, MVC, MVVM, AJAX, Java Script patterns, .Net Web API, Knockout. Angular JS, Bootstrap, jQuery and Entity Framework•...Work experience placementWorldwide
$191k - $253k
...The Lattice SDK team is at the forefront of building Anduril’s developer ecosystem. Since our public launch, we’ve attracted numerous potential... ...platform. This position requires deep technical expertise in API design, cloud architecture, and hands-on development experience....Full timeWork experience placementImmediate startWorldwideAnduril Industries
Washington DC3 days ago$197.3k - $225.1k
...Overview Lead Software Engineer, Back End (Python, GO, API, AWS) (Cloud Operations Resilience Engineering) Do you love building... ...Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full...Full timePart timeInternshipH1bLocal area$86.9k - $198k
...operators, analysts, and cyber experts today, while also helping develop new capabilities from early technical concept to deployed... ...professional environment3+ years of experience building back-end services, APIs, data workflows, or platform components with Python2+ years of...Full timeContract workPart timeWork at officeLocal areaRemote work$100k - $150k
...Oracle API Integration Developer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established...Full timeH1bLocal areaImmediate startRemote workVisa sponsorshipBright Vision Technologies
Sterling, VA24 days ago- External Description Mobile/Web Developer (.Net)The Air Line Pilots Association, International (ALPA), the largest airline pilot union... ...-browser compatibility/development, and RESTful Services and APIs are all a definite plus.Experience using automation and web performance...Work at officeLocal areaRemote workFlexible hours
$122k - $240.5k
...technical solutions using analysis, experience, and decision making Developing solutions to client problems through application of methods and... ..., or Java (Spring Boot).Experience building and consuming REST APIs and microservices.Experience with relational databases such as...Local area- ...to application The Front-End Software Engineer will design and develop complex new software products, or make significant enhancements... ...and usability. · Experience with integrating with third part APIs. · Proficient understanding of code versioning tools, such as...Full time
Leading Path Consulting
McLean, VA21 hours ago - ...smarter, faster, and more secure outcomes. Job Overview: As a Sr API Engineer with INflow Federal, you'll be providing high-quality,... ...and addressing potential scalability and reliability issues. Develop and maintain comprehensive documentation and best practices for...For contractorsLocal area
INflow Federal
Springfield, VA9 days ago - ...candidate to join our talented Team. Job Title: Java Full Stack Developer. Location: McLean, VA. About the ProjectWe are seeking a... ...such as login or enrollment. The contractor will primarily work on API enhancements and application maintenance, with opportunities to...For contractors
- ..., Lightning application development, Lightning web components, Developer Console, Salesforce IDE (VS Code), unit testing, CI/CD deployment... ...to integrate Salesforce with external systems via RESTful APIs You will be responsible for:Collaborating with and across Agile...
- ...candidate is a self-directed engineer with demonstrated experience developing and supporting geospatial, imagery, AI/ML, or analytic... ...teams.ResponsibilitiesDevelop and integrate backend services, APIs, data connectors, plugins, and platform components that support...Full timeRemote work
$97.24k - $162.24k
...passionate about automation, system reliability, and improving developer productivity in complex environments. Esri has a Relocation Assistance... ...and environments to ensure seamless distribution of the ArcGIS API and its dependenciesBuild and manage the underlying build...RelocationRelocation package$85k - $170k
OverviewAs a Front-End Developer, you will collaborate with designers, product owners, and back-end developers to deliver intuitive, high... ...-friendly web applications.Integrate front-end components with APIs and microservices to ensure seamless end-to-end functionality....
