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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, VA3 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- ...candidate is a self-directed engineer with demonstrated experience developing and supporting geospatial, imagery, AI/ML, or analytic... ...Responsibilities Develop and integrate backend services, APIs, data connectors, plugins, and platform components that support...SuggestedFull timeRemote work
Vantor
McLean, VA18 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, VA18 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, VA18 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, VA18 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, VA18 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, VA18 hours 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...SuggestedLocal area
3B Staffing LLC
McLean, VA4 days 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...Suggested
Diverse Lynx
McLean, VA3 days 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...SuggestedWork at officeLocal areaRemote workRelocationFlexible hoursAir Line Pilots Association, Int'l.
McLean, VA4 days 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, VA18 hours 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...SuggestedContract work
Govserviceshub
West Mclean, VA18 hours 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...SuggestedContract work
eSolutionsFirst
Vienna, VA3 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, VA18 hours ago- ...Salesforce Developer Role: Salesforce Developer Skills: Application Programming Interface (API), Continuous Integration and Continuous Delivery (CI/CD), Salesforce Development and Technical Design, Banking and Financial Technology, Salesforce Community Cloud Experience...
Kasmo Global
McLean, VA2 days 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, VA1 day 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, VA18 hours 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
- ...We are seeking a mid-to-senior Back-End Java Engineer to design, develop, test, integrate, and maintain back-end services and digital... ...Responsibilities Design, build, and maintain back-end services and APIs supporting mobile and web applications Ensure performance,...Work at office3 days per week
campus4tech
Vienna, VA1 day ago $131.3k - $149.8k
...We are seeking Workday Engineers who are passionate about developing highly-resilient, fundamentally-sound objects to support the Human... ...solutions At least 2 years of experience working with APIs within the Workday environment using REST or SOAP Preferred...Full timePart timeH1bLocal areaCapital One Financial Corp
McLean, VA4 days ago- ...Salesforce Service Cloud, Salesforce Communities and Knowledge Develop end‑to‑end Salesforce solutions using configuration and customization... ...between Salesforce and external applications using REST, SOAP APIs, OAuth and single sign‑on Migrate changes from development to...
RapidSoft
Falls Church, VA18 hours ago - ...candidate to join our talented Team. Job Title: Java Full Stack Developer. Location: McLean, VA. About the Project We are seeking a skilled... ...as login or enrollment. The contractor will primarily work on API enhancements and application maintenance, with opportunities to...For contractors
Ampcus
McLean, VA3 days ago $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, VA18 hours ago- ...Job Summary We are seeking an experienced Senior Java Backend Developer to join a high‑performing technology team responsible for modernizing... ...data to modern database platforms. Develop and enhance RESTful APIs and backend services. Work with relational and cloud‑based...
Veriipro
McLean, VA18 hours ago - ...API Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and...Temporary workFor contractorsImmediate startFlexible hours
Cymertek
Chantilly, Loudoun County, VA2 days ago - ...Sr Java Fullstack Developer McLean, VA – Hybrid Apply here: Required Skills 7-10 years of software development experience Strong analytical... ...Java 8 I/0 collections, multi-threating, GenerX Lambda, Rest, API web services. Experience with GraphQL API query language Experience...
Sandeep Kanchi
McLean, VA3 days ago - ...Overview We are looking for an experienced Java Developer to join our technology team supporting a leading mortgage solutions provider.... ...Responsibilities Design, develop, and maintain scalable backend services and APIs using Java, Spring, Spring Boot, and Microservices architecture...
eSolutionsFirst
McLean, VA3 days ago - ...Job Title: Senior Java Full Stack Developer Employment Type: W2 Only Experience: 10+ Years Job Summary We are seeking a highly experienced... ...experience Strong expertise in Java 8/11/17 RESTful APIs Angular (10+)/React.js Hibernate/JPA Jenkins, Git, Maven JUnit,...
EnIn Systems
McLean, VA18 hours ago
