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- Senior API Developer Job Locations: US-VA-McLean ID: 2025-9504 Category: Software Development Type: Regular Full-Time Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise...SeniorFull timeWork experience placementImmediate start
$131.75k - $178.25k
...experience US Citizenship Required: Yes Job Description: Our 100% remote agile development team is looking for an API / Microservices Developer to help us deliver top-quality IT Modernization for our Environmental Protection Agency (EPA) customers. You will...SeniorFull timeTemporary workPart timeFor contractorsImmediate startRemote workWork from homeWorldwideFlexible hours$140k - $160k
A federal contracting firm in Virginia is seeking a Senior Integration Developer to work with their DevSecOps practice. The ideal candidate has extensive experience in cloud platforms, APIs, and integration technologies. You will be responsible for understanding stakeholder...Senior$86.8k - $198k
API Platform Software Engineer, Senior The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We’re looking for an experienced back-...SeniorFull timeContract workPart timeLocal areaRemote work- A technology solutions company in Virginia is looking for a Java Developer to design, develop, and maintain enterprise applications. The ideal candidate should have 5+ years of software development experience, expertise in Java/JEE, and a strong grasp of modern frameworks...Senior
$104.65k - $189.18k
...Job Description Description Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor... ...using CloudFormation scripts Experience creating RESTful API Experience working on a team that used the Scrum agile framework...SeniorLocal areaImmediate startLeidos
Merrifield, VA26 days ago- Senior Software Engineer - IBM DataPower and IBM API Connect Location: Reston, VA Duration: 12Months+ Extension Hourly Rate: Depending on Experience (DOE) Work Authorization: Design, develop, and integrate secure, scalable, and reusable APIs using Node.js or Python Utilize...SeniorHourly payPermanent employmentContract workLocal area
- ...companies to configure benefits. We build APIs to handle B2B transactions with our... ...About the Role We’re currently looking for a senior backend engineer that will be primarily designing... ..., MVC and Vue.js at the front-end. We develop software as simple as forms for data...SeniorWork at officeRemote work
- Senior Node.js API Developer with Rules engine Locations: Sterling, VA and Nashville, TN Position type: W2 contract. We are seeking a highly experienced Senior Node.js API Developer with Rules engine with expertise in building and maintaining scalable, secure, and efficient...SeniorContract work
- ...millions more added daily. LLMs along with machine learning models we develop are integral to organizing and processing this data. As an AI... ...Libraries: Flask, DSPy, various embedding, reranker and LLM APIs Databases and Search: Elasticsearch, RDS, DynamoDB Benefits...SeniorFull timeWork at officeFlexible hours
Strider Technologies
Tysons, VA3 hours ago $180.07k - $218.9k
(CDP is building the developer tools to bring the world onchain. Today, onchain development is slow, risky, and painful, even for the most... ...creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking...SeniorFull timeLocal area- API Java Python Developer, Senior 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. We are seeking individuals with a passion...SeniorLocal area
$120k - $160k
...greater success. Requirements Credence has an immediate need for a Senior Developer to support large-scale digital modernization efforts for... ...across ServiceNow environments Develop and support REST/SOAP API integrations between ServiceNow and external DoD/federal systems...SeniorFull timeLocal areaImmediate start$86.8k - $198k
...journey as a candidate with us. As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop... ...Date. API Platform Software Engineer, Senior The Opportunity: As a back-end developer,...SeniorFull timeContract workPart timeLocal areaRemote work- We are hiring Senior Full Stack Developer! Role: Developer-Full Stack Senior (Data Engineering Focus) Supporting: Large Financial Services Client... ..., MongoDB, PostgreSQL, and data modeling Familiarity with APIs, JSON/XML, and integration technologies Exposure to full...Senior
- Title: Senior .NET Developer Location: On-site- M-F in Mclean, VA Duration: 6 months possible extension Experience in: Solid C# .NET development... ...software development and maintenance using ASP.NET MVC, Web API, WCF, REST Services. Must be proficient in SOAP- or REST-based...SeniorFlexible hours
- ...Real Estate and Financial Services company, is looking for a Senior .NET Developer for their McLean, VA location. Responsibilities Must have experience... ...software development and maintenance using ASP.NET MVC, Web API, WCF, REST Services. Must be proficient in SOAP- or REST-...SeniorLocal areaFlexible hours
- ...achieve greater success. Credence has an immediate need for a Senior ETL and Database Developer to support large-scale digital modernization efforts for... ..., and load data from multiple sources (databases, APIs, legacy systems, flat files) into enterprise data repositories...SeniorLocal areaImmediate startMonday to Friday
- Genesis10 is currently seeking an Information Technology - Developer-Full Stack Senior with our mortgage loan corporation client in their McLean,... ...layer of the application to build, test, and deploy RESTful APIs based services, create shared services components, and collaborate...SeniorPermanent employmentFull timeContract work
- ...Genesis10 is currently seeking an Information Technology - Developer-Full Stack Senior with our mortgage loan corporation client in their McLean,... ...language and related technologies. Experience with RESTful APIs and web services. Familiarity with version control systems...SeniorPermanent employmentFull timeContract work
- Senior Full Stack Developer - Java & Angular Location: Onsite - McLean, VA Assignment Type: Contract-to-Hire (CTH) Duration: 3 Months Pay Rate:... ...Atlassian Suite, Bitbucket, IntelliJ, Eclipse, VSCode Testing & APIs: JUnit, JSON, RESTful Web Services Nice‑to‑Haves MongoDB...SeniorLong term contractContract work
- ...technical analysis of requirements. Train the subordinate team of developers. Be actively involved in the pre-sales activities by... ...Headless Adobe Developer, Magento Developer for Marketplaces, Magento API Developer, Magento DevOps Engineer. eCommerce & Marketplace...SeniorLocal areaRemote workWorldwideOverseas
$108.98k - $147.44k
...Job Description Overview: We are seeking a highly skilled Senior Developer with over 7 years of experience in ReactJS and JavaScript to join... ...with state management libraries such as Redux or Context API. Familiarity with modern front-end build pipelines and tools...SeniorFull timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours- ...Support, Engineering & Analysis, and Training. Responsibilities Participate in the design and implementation of Web Interfaces and APIs. Develop and test applications based on business requirements and industry best practices. Work closely with our customers to...SeniorFor contractorsWork experience placement
- API Developer LOCATION Tysons, VA 22182 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 maintaining robust APIs that...Temporary workFor contractorsImmediate startFlexible hours
- ...Senior Web Developer with Top Secret/SCI Clearance Our client is a leading force in the defense and intelligence sector and is seeking a highly skilled Senior Web Developer with Top Secret/SCI clearance. This full-time position is based in the heart of McLean...SeniorFull time
Confidential
Tysons, VA3 hours ago - A leading technology company in Bethesda, MD, is seeking a Mobile Application Developer to provide expertise on mission-critical programs for DHS. The ideal candidate will have substantial experience in Mobile Application Development, proficiency in Java and Node JS, and...SeniorWork at office
$150k
...The FNE section develops web applications to support financial management business processes/controls. The SME SR position is involved in... ...Page Application (SPA) development, well-structured middle tier API/Services, and data model design/implementation. Candidates...SeniorFull timeXla
Arlington, VA3 hours ago- ...customers on-site at top government agencies. Job Title: Senior Web Developer – SharePoint/.NET Primary Location: Washington, DC Clearance... ...with external systems by leveraging web services and APIs Ensure the performance, scalability, and availability of systems...SeniorFull timeWork at office
Innovative Management & Technology Services
Washington DC3 hours ago - ...features. We are seeking a talented UI Developer with strong experience in Angular and Java... ...practices. Build and integrate RESTful APIs with Java (Spring Boot). Ensure high performance... .../Karma for Angular, JUnit for Java) Seniority level Seniority level Mid-Senior level...SeniorContract workInternship
