Average salary: $166,426 /yearly
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- ...API Developer We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining robust APIs that power our applications and services. In this position, you will collaborate with cross-functional teams to create scalable...SuggestedTemporary workFor contractorsImmediate startFlexible hours
Cymertek
McLean, VA4 days ago $110k - $120k
...API Developer Location: Merrifield, VA, US Job ID: ATR 17967 Job Description Job Title: API Developer Job Location: Remote – US Based Compensation: $110,000 to $120,000 Salaried Employee (NO Corp-to-Corp Candidates Considered) Eligibility/Clearance...SuggestedContract workRemote workArena Technical Resources
Falls Church, VA5 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$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 area$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 area- ...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, VA10 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, VA10 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, VA10 hours 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, VA10 hours ago - ...hosting providers on tenant-specific infrastructure requirements Develop and maintain operational processes, procedures, and... ...Excellent analytical, troubleshooting, and communication skills ~ API or platform-related certifications ~ CompTIA Security+ or equivalent...SuggestedFull timeRemote workFlexible hours
Vivsoft Technologies
Arlington, VA10 hours ago - ...fast-paced hybrid environment. Responsibilities Design and develop full stack applications using Vue.js, Node.js, and Python... ...GenAI / LLM-based solutions into applications (prompt engineering, APIs, model integration) Build and maintain RESTful APIs and/or...SuggestedFull timeLocal area
Tiger Analytics Inc.
McLean, VA10 hours ago $104k - $140k
...global future. Two Six Technologies is seeking a Front End Developer to work on multi-domain platforms serving critical national security... ..., HTML, CSS ~ Experience working with or developing APIs Nice If you Have: Experience with Ember.js Experience...SuggestedFull timeContract workLocal areaTwosix Technologies
Arlington, VA10 hours ago$108k - $154k
...building software. We firmly believe that what separates a good developer from a great one is a deep understanding of the business that they... ...on Friday. Responsibilities Build big, distributed, API-driven systems for tens of thousands of users. Design and implement...SuggestedHourly payFull timeWork at officeWork from homeMonday to ThursdayCoStar Group
Arlington, VA1 day ago- ...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...SuggestedFull time
Leading Path Consulting
McLean, VA10 hours ago - ...Special Operations customers. Our engineer-led software teams develop technical solutions on an aggressive schedule across the DoW and... ..., or SvelteExperience working on fullstack solutions with REST APIs and complex data Experience with SDLC tools, such as JIRA, Confluence...SuggestedFull timeFor subcontractor
Black Cape
Arlington, VA10 hours ago $96.03k - $137.18k
...External Description Mobile/Web Developer (.Net) The Air Line Pilots Association, International (ALPA) , the largest airline pilot... ...cross-browser compatibility/development, and RESTful Services and APIs are all a definite plus. Experience using automation and...Work at officeLocal areaRemote workRelocationFlexible hoursAir Line Pilots Association, Int'l.
McLean, VA5 days ago$150k - $200k
...About Us: SwarmInt is a defense AI startup developing computer vision and edge AI capabilities for military expeditionary forces with... ...visualization from sensor feeds Implement backend services and APIs for data processing and integration Deploy containerized...Full timeSwarmint
Arlington, VA10 hours ago- ...Ionic + Angular experience ~ Strong understanding of hybrid mobile architecture ~ Experience integrating mobile apps with REST APIs ~ Knowledge of mobile security, offline storage, caching, and sync mechanisms ~ Experience with App Store & Play Store deployment...
Diverse Lynx
McLean, VA4 days ago - ...Responsibilities: • Develop Android client code solutions that deliver on Product Strategy and adhere to established engineering best practices... ...the local sprint team across various disciplines (Android, iOS, APIs, Web, etc.) • Own and lead delivery of major components and...Local area
3B Staffing LLC
McLean, VA5 days ago - Job Title: Full Stack Developer \ \ Location: Mclean, VA \ \ \\ \ Overview: \\ Looking for a Full Stack Developer with strong experience... .... The candidate should be adept with cloud services, API design, and data integration in enterprise -level environments...Contract work
Govserviceshub
West Mclean, VA10 hours ago $115k - $203k
...platform security environment, which consists of commercial and custom developed security controls that run within the IDE, the CI/CD system,... ...controls using infrastructure as code, scripting, and API integrations to scale security across all web applications in a...Hourly payFull timeWork at officeWork from homeMonday to ThursdayCoStar Realty Information, Inc.
Arlington, VA3 days ago- ...Azure Service Bus, Azure AD / MSAL (OAuth2/OIDC) ~ Strong C# .NET 8 - Azure Functions, Entity Framework Core, xUnit testing, REST API design ~ Strong React / TypeScript / Next.js 15 - App Router, RTK Query, Tailwind CSS, component library patterns ~ Azure SQL...Contract work
eSolutionsFirst
Vienna, VA4 days ago $111.8k - $221.8k
...strong leadership. They will ensure code quality, mentor junior developers, and manage project technical direction. Here's what you'll... ...another modern backend language) for backend services and RESTful APIs development ~ SQL and/or NoSQL databases ~ Experience...Full timeLive inWork at officeLocal areaAccenture Federal Services
McLean, VA10 hours ago- ...Salesforce Developer Role: Salesforce Developer Skills: Application Programming Interface (API), DevOps Continuous Integration and Continuous Delivery (CI/CD), Salesforce Development and Technical Design, Banking and Financial Technology, Salesforce Community Cloud...
Kasmo Global
McLean, VA3 days ago - ...improvements. Design event-driven and distributed systems that are resilient, observable, and performance-tuned. Define stable APIs for internal and external consumers, partnering with frontend for seamless integration. Improve engineering excellence through...Full timeWork at officeFlexible hours
Twenty
Arlington, VA26 days ago - ...Collaborate with product and design teams to bring intuitive and accessible user experiences to life Integrate with backend systems and APIs to create seamless and performant interfaces Lead and participate in architecture discussions and code reviews to uphold engineering...Full time
Meibel
Falls Church, VA1 day ago - ...Senior UI Developer - ReactJS Developing new highly responsive user-facing features using React.js. Building reusable components... ...flexible and well-structured frontend architecture, along with the APIs to support it. Optimizing components for maximum performance...Flexible hours
Samprasoft
McLean, VA2 days ago - Technical Lead (Java Spring Boot, RESTful APIs, Angular, React, Node JS, JavaScript, Kubernetes, Jenkins, Github, AWS, Azure, Google... ...development teams ·At least 5+ years of experience developing front end & orchestration layers’ technologies: Java Spring Boot...Full timeWork experience placementRelocationShift work
$90k - $165k
...Contributions This engineer will design, build, and maintain developer tooling, internal services, automated workflows, ETL/ELT pipelines... ...This is a hybrid role that blends: Software Engineering (API development, tooling, dashboards, automation scripts) Data Engineering...Local areaNavstar
McLean, VA1 day ago- ...resource consumption, cost trends, and compliance adherence. Develop and implement scalable user provisioning and de-provisioning processes... ...and manage connections to diverse source systems (databases, APIs, file systems). Configure and maintain storage integrations (...
Navstar
Arlington, VA1 day ago
