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  • $124k - $206k

     ...job details below. Vantor is seeking a Senior Full Stack Software Engineer skilled in Java, Rust, and modern front-end development with...  ...foundation in software design principles, distributed systems, and API architecture. Experience with high-volume, low-latency... 
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    Permanent employment
    Full time
    Remote work
    3 days per week

    Vantor

    Herndon, VA
    1 day ago
  • $113k - $188k

     ...to obtain a CI polygraph. Vantor is seeking a Full-Stack Software Engineer (mid-level) to join our team to closely support our mission partners...  ...development using React, Angular, or other JS framework. API Rest Framework development/maintenance. Data flow... 
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    Vantor

    Herndon, VA
    12 hours ago
  • $126.1k - $227.95k

     ...Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security...  ...highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert (SME) for the Maru Program. In this... 
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    Leidos

    Sterling, VA
    26 days ago
  •  ...passionate about developing innovative software solutions that drive real-world impact?...  ...technology stack—from building RESTful APIs to designing dynamic, user-friendly interfaces...  ...Computer Science, Information Systems, Engineering, or related field—or equivalent hands-on... 
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    NS2 Mission

    Chantilly, Loudoun County, VA
    20 days ago
  • $165k - $179k

     ...Lead Engineer | Full Stack & Backend College Board - Technology - BigFuture Student...  ...0%) ~ Design and deliver high-quality software that is scalable, secure, and reusable-leveraging...  ...SNS, SQS, S3, Step Functions, IAM, KMS, API Gateway, CloudWatch, DynamoDB) ~... 
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    Disability Solutions

    Reston, VA
    12 hours ago
  • $137k - $228k

     ...developed to ensure requirements are being met. Demonstrate any software deliverables to the product manager/team at the end of the...  ...Experience building chat interfaces and working with LLMs via API Experience working with Docker Containers for development (Podman... 
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    Vantor

    McLean, VA
    1 day ago
  • $85.15k - $153.93k

     ..., Vision, and Values guide the way we do business. The National Security Sector at Leidos currently has an opening for a Software Engineer. The program delivers a comprehensive integrated mission control software tool combining custom code and integrated COTS products... 
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    Leidos

    Sterling, VA
    9 days ago
  • $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... 
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    Booz Allen Hamilton

    Mc Lean, VA
    2 days ago
  • Samtek Inc., located in Job Location: Herndon, Virginia, is seeking a full-time Software Engineer. May req to trvl (apprx 25% to 50% of the time) to various unanticipated client worksites across the US. Send resume to Samtek Inc., 205 Van Buren St., Ste. , Herndon, VA 2... 
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    Samtek Inc

    Herndon, VA
    22 hours ago
  • $200k - $250k

     ...requirements into features as part of a modern software development lifecycle Utilize Agile...  ...and enforce best practices in software engineering Optimize application performance,...  ...understanding of RESTful web services and API design ~ Experience with version... 
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    Govcio LLC

    Fairfax, VA
    3 days ago
  • $175k - $205k

     ...to design, build, and modify application software using programming languages such as Java...  ...patterns. Integrate COTS products, use APIs, interact with data repositories, cross-...  ...Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience... 
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    Govcio LLC

    Fairfax, VA
    3 days ago
  •  ...Management (ITOM), IT Asset Management or ITAM, which includes Software Asset Management (SAM), and Hardware Asset Management (HAM)....  ...experience ~ Experience integrating ServiceNow to other systems using APIs or other integration methods ~ Prior development experience in... 
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    GeBBS Consulting

    Reston, VA
    2 days ago
  •  ...MissionXI are searching for a Senior Mechanical Engineer for a leading global developer and operator of next-generation digital infrastructure...  ...(e.g., ANSYS Fluent, 6SigmaDCX, Icepak) and mechanical design software (AutoCAD, Revit MEP, or similar). Benefits:... 
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    MissionXI

    Ashburn, VA
    4 days ago
  • $85.15k - $153.93k

     ...Mission, Vision, and Values guide the way we do business. The National Security Sector at Leidos currently has an opening for a Software Developer. Leidos is looking for a full stack Software Developer, with a strong background with Angular (typescript), Java and... 
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    Leidos

    Sterling, VA
    24 days ago
  • $104.65k - $189.18k

     ...looking for an experienced Computer Systems Engineer – React Developer with Pega Expereince to...  ...developing, and maintaining high-quality software solutions as well as operational support...  ...front-ends and Pega services (e.g., REST APIs, data pages). Optimize front-end... 
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    Leidos

    Fairfax, VA
    18 days ago
  • $113k - $188k

     ...Vantor is seeking a Mid-Level DevOps Engineer located in Herndon, VA, to support the development...  ...closely with other DevOps engineers, software developers, infrastructure technicians...  ...processing methods and tools, such as REST APIs, microservices, IaaS/PaaS services.  Experience... 
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    Full time

    Vantor

    Herndon, VA
    1 day ago
  • $98.7k

     ...some of the world’s most powerful data centers. Our Data Center Engineering Operations team maintain and operate our critical...  ...talented people who want to help. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security... 
    Full time
    Local area

    Amazon Data Services, Inc.

    Ashburn, VA
    4 days ago
  • $137k - $228k

     ...the development of system architectures, software systems, or software applications. Focus...  ...Polygraph.  ~ Bachelor’s degree in engineering, sciences, Computer Science, Physics, Applied...  ...~ Experience with algorithms, RESTful APIs, RESTful Web Services, Orchestration and... 
    Permanent employment
    Full time

    Vantor

    Reston, VA
    1 day ago
  • $95k - $130k

     ...role will be expected to work full-time at the customer site in McLean, VA. Role Overview: Leidos is seeking a Lead Software Engineer – Computer Vision & Automation to join a highly successful team in researching and developing Connected and Automated Vehicle... 
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    Local area
    Immediate start

    Leidos

    Merrifield, VA
    13 days ago
  • $263.9k - $301.2k

    Distinguished Engineer - API Platform (GraphQL) As a Distinguished Engineer at Capital One, you will be a part of a community of...  ...Bachelor’s Degree At least 7 years of experience in General software At least 7 years of experience in Software engineering and... 
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    Part time
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    Capital One

    McLean, VA
    more than 2 months ago
  • $137k - $228k

     ...emerging technologies Implement and integrate with RESTful APIs for retrieving and exchanging data Work with Postgres to store...  ...for AI/ML applications Collaborate with researchers and engineers to evaluate approaches, document findings, and recommend next steps... 
    Permanent employment
    Full time

    Vantor

    McLean, VA
    12 hours ago
  • $104.65k - $189.18k

     ...availability and observability Basic Qualifications Bachelors degree with 8-12 years of experience in Software Development, DevOps, or Systems Engineering, additional years of relevant experience in lieu of degree is acceptable. Active TS/SCI with ability to... 
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    Leidos

    Herndon, VA
    10 days ago
  •  ...Job Description: Software Developer/Systems Engineer to support an exciting DHS software development and system support program. The ideal candidate...  ..., AWS, Agile processes ~ Familiarity with Win API, JSON messaging ~ Strong knowledge of JavaScript/HTML... 
    Remote job
    Full time

    Shuvel

    Ashburn, VA
    12 hours ago
  •  ...Syms Strategic Group (SSG)  is seeking a talented Senior Software Systems Engineer (.Net Developer) Location: Remote Department: Veterans...  ...State Transfer Application Programming Interface (RESTful APIs) and other APIs Proficiency in database design and development... 
    Full time
    Remote work

    Syms Strategic Group, LLC (SSG)

    Ashburn, VA
    1 day ago
  • $205.4k - $234.4k

     ...Product Management, Developer Experience - API Platforms Capital One is a high-tech...  ...critical building block for developing software, from customer applications, to real-time...  ...and is comfortable in conversation with engineering teams as well as stakeholders ranging from... 
    Full time
    Part time
    Local area

    Capital One National Association

    Mc Lean, VA
    2 days ago
  • $225.4k - $257.2k

     ...Overview Senior Manager, Software Engineering, Full Stack (Java, Node, Javascript, React or Angular, Restful API, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive... 
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    Part time
    Internship
    Local area

    Capital One

    McLean, VA
    a month ago
  • $84.9k - $115k

     ...Power BI , Tableau , or comparable BI platforms. Integrate and structure data from multiple sources (CRM, billing, ERP, external APIs) for consistent and efficient analysis. Implement robust data governance and validation to ensure data quality and reliability... 
    Work experience placement
    Local area
    Remote work
    2 days per week
    3 days per week

    Zayo Group

    Ashburn, VA
    2 days ago
  • $135k - $216k

    Budget/Finance Systems Integrator Job Locations US-VA-Chantilly Requisition ID 2025-157681 Position Category Finance Clearance Top Secret/SCI w/Poly Responsibilities Provide executive-level budgetary performance support...
    Contract work
    Shift work

    Peraton

    Chantilly, Loudoun County, VA
    4 days ago
  • $170k - $284k

     ...one that unifies AI-driven insights, data engineering, ontology development, and core...  ...role bridges AI innovation with enterprise software architecture, ensuring that our solutions...  ...knowledge management platform, including API integration, user interface design, and... 
    Permanent employment
    Full time

    Vantor

    Reston, VA
    1 day ago
  •  ...Medicaid, payer systems, and HIPAA-compliant data exchange. ~ Proficiency in ASP.NET, .NET Framework, Web Forms, Web Services, and API development. ~ Experience working in Agile environments and across the full SDLC. Equal opportunity employer as to all protected... 
    Hourly pay
    Full time
    Temporary work
    Local area
    Remote work
    Flexible hours

    The Computer Merchant, LTD.

    West Mclean, VA
    22 hours ago