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  •  ...events, and a true community atmosphere. Position: Web Application / API Services Developer – Mid Level (FI2) Clearance Required: TS/SCI...  ...and APIs. Collaborate: Agile teamwork delivering high-impact software. Innovate: Integrate new technologies to enhance performance... 
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    Trinity Enterprise Services LLC

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...power both commercial and societal benefits. We are hiring an API Engineering Team Lead! At Unacast, we are on a mission to revolutionize...  ..., and optimizing APIs. What you will be doing Lead a team of Software Engineers, providing mentorship and guidance while actively contributing... 
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    Unacast

    Ashburn, VA
    5 days ago
  •  ...Full Stack Software Engineer GCI embodies excellence, integrity, and professionalism. The employees supporting our customers deliver unique...  ...~ Proven experience with 3rd party system integration using APIs, webhooks and other integration methods ~ Strong... 
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    ClearanceJobs

    Chantilly, Loudoun County, VA
    3 days ago
  • $175k - $200k

     ...Job Title: Software Engineer GCI embodies excellence, integrity, and professionalism. The employees supporting our customers deliver unique...  ...AWS Athena Demonstrated hands-on experience with building APIs and services using REST. Demonstrated hands-on experience... 
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    ClearanceJobs

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...motivated and self-directed professional to fill the role of Software Developer/Data Engineer to support our team in Northern Virginia. The candidate...  ..., and Load (ETL) data engineering Experience with REST APIs Experience with Java Experience with full lifecycle... 
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    Velocity-X, Inc

    Chantilly, Loudoun County, VA
    1 day 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

    Aldie, VA
    20 days ago
  •  ...Back End Software Engineer Onsite | Chantilly, VA | 5 Days a Week Active TS/SCI with Full Scope Polygraph Responsibilities As a...  ...good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused... 
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    Precision Solutions

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Software Engineer Sr Advisor Deliver simple solutions to complex problems as a Software Engineer Sr Advisor at GDIT. Here, you'll tailor...  ...sources. You'll play a key role in building robust, reusable APIs and data pipelines that support critical operational and analytical... 
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    ClearanceJobs

    Chantilly, Loudoun County, VA
    1 day ago
  • $130.36k - $221.6k

     ...new and exciting work. We have both Mid and Senior Systems Engineering positions open. Either looking for very strong Linux or Cloud (...  ...technologies like Maven, Jenkins, etc. Experience with building APIs and services using REST, SOAP, etc. Experience with... 
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    BAE Systems USA

    Hamilton, VA
    2 days ago
  • $160k

    IDR is seeking a Back End Software Engineer to join one of our top clients in Chantilly, VA. This role is an exciting opportunity to contribute...  ...SQL and NoSQL technologies. * Create and manage RESTful APIs and microservices to support application functionality. * Ensure... 
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    IDR, Inc

    Chantilly, Loudoun County, VA
    1 day ago
  • $215k

    Labor Category: Software Engineer Position Title: Python Developer Position Level: All Levels Salary: Up to $215,000.00 per year Core Hours:...  ...robust CI/CD deployment processes • Experience developing web APIs to interface with cloud applications and databases as part of... 
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    Anonymous Employer

    Chantilly, Loudoun County, VA
    1 day ago
  • $225k

    Labor Category: Software Engineer Position Title: Software Developer Position Level: Level 2 - Expert Salary: Up to $225,000.00 per year Core...  ...• Leverage Amazon Web Services • Experience creating RESTful API Details: Labor Category: Software Engineer Position Title: Software... 
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    Anonymous Employer

    Chantilly, Loudoun County, VA
    12 hours ago
  • $200k

    Labor Category: Software Engineer Position Title: Software Developer Position Level: Level 3 - Senior Salary: Up to $200,000.00 per year Core...  ...HDFS, MapReduce, YARN). • Knowledge of Apache Spark and its APIs (e.g. Spark SQL, Spark Streaming, Mllib). • Experience working... 
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    Anonymous Employer

    Chantilly, Loudoun County, VA
    1 day ago
  • $146.67k - $249.33k

     ...S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms...  ...like Maven, Jenkins, etc. Experience with building APIs and services using REST, SOAP, etc. Experience with scripting... 
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    BAE Systems USA

    Hamilton, VA
    4 days ago
  • $90k - $182k

     ...security clearance**Security Clearance:**Secret - Current**Senior Software Engineer - Training System Software (Onsite)**We are currently...  ...Agile development methodologies* Experience using Win32/Win64 APIs and associated Linux API* Experience working with databases;... 
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    Prattwhitney

    Sterling, VA
    1 day ago
  •  ...and articulate, guide, and mentor big ideas. The position of Software Engineer is a client-focused, direct support position with Semantic AI...  ...Java-based programming. Knowledge of current frameworks, SDKs, APIs, and libraries including Spring and Java 17 or greater.... 
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    Semantic Research, Inc.

    Ashburn, VA
    4 days ago
  • Job Description: Software Developer/Systems Engineer to support an exciting DHS software development and system support program. The ideal candidate...  ...JavaScript, AWS, Agile processes. Familiarity with Win API, JSON messaging. Strong knowledge of JavaScript/HTML. Working... 
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    Shuvel Digital

    Ashburn, VA
    4 days ago
  • $150k - $200k

     ...the lives of millions of Americans. About the role: As a Software Engineer - Graph Technologies, you will be diving deeper into the...  ...visualization ~ Build and maintain scalable microservices and APIs supporting Intelligence Community requirements ~ Develop semantic... 
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    3 days per week

    Raft

    Chantilly, Loudoun County, VA
    2 days ago
  • $105k - $165k

     ...,000.00/yr WHO WE ARE Chess Solutions, LLC is a Virginia-based software development company that specializes in building digital vetting...  ...software experience. WHAT YOU’LL DO As a Senior Software Engineer at Chess Solutions LLC, you will serve as the principal developer... 
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    CHESS Solutions, LLC

    Leesburg, VA
    2 days ago
  • $110k - $130k

     ...people, our environment and our clients. About the Position: As a Software Engineer in the Platform Engineering team at Cologix, you will be part...  ..., Vue or React, Node.js, containers Experience developing API services and using Postman Strong Linux: CLI, bash scripting,... 
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    Flexible hours

    Cologix

    Ashburn, VA
    4 days ago
  •  ...) or GovCloud • Experience with Agile Software Development Process and Methodologies (SAFe...  ...) • Experience with supporting systems engineering efforts in system design, solution...  ...applications to operations. • Knowledge of REST APIs Education: Bachelor’s degree in... 
    Flexible hours

    Encode

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Description: i270 is looking for experienced Software Developers to join our technology-based...  ...customer. This program will deliver engineering services for network infrastructure as...  ..., etc. Experience with building APIs and services using REST, SOAP, etc. Experience... 
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    i270 Solutions Group

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...and articulate, guide, and mentor big ideas. The position of Software Engineer is a client-focused, direct support position with Semantic AI...  ...Java-based programming. Knowledge of current frameworks, SDKs, APIs, and libraries including Spring and Java 17 or greater.... 
    Immediate start
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    Semantic AI

    Ashburn, VA
    3 days ago
  •  ...Software Engineer - Expert RSekure is seeking a highly experienced Software Engineer with deep technical expertise for building resilient,...  ...scalable cloud environments using AWS services like EC2, S3, Lambda, API Gateway, and DynamoDB. Design and maintain both relational... 
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    RSEKURE

    Chantilly, Loudoun County, VA
    4 days ago
  • Senior Software Engineer (UI Developer) page is loaded## Senior Software Engineer (UI Developer)locations: Ashburn, VAtime type: Full timeposted...  ...candidate shall have sound experience in developing backend API and microservices.**RESPONSIBILITIES**, other duties may be assigned... 
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    Worldwide

    QTS Realty Trust

    Ashburn, VA
    4 days ago
  •  ...Developer to design and develop complex new software products and make significant...  ...Bachelor's degree in Computer Science, Engineering or IT field Experience with software...  ...Experience with Spring Boot and Rest API development Experience with C/C++, Scala... 
    Relocation package

    QinetiQ US

    Chantilly, Loudoun County, VA
    3 days ago
  • Software Engineer to support an office that is accountable for clearance processing of all individuals with access to Customer data and facilities. This position is in Chantilly, VA and requires an active TS/SCI clearance with Polygraph. In this role you will work in a... 
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    Leading Path Consulting LLC

    Chantilly, Loudoun County, VA
    1 day ago
  • $215k

     ...- Collaborate with product managers and engineering teams to solve complex problems in building...  ...and data scientists to improve platform APIs and model quality based on customer...  ...Qualifications): - 5+ years of professional software development experience with at least two... 
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    GEICO

    Ashburn, VA
    5 days ago
  •  .... The role involves a strong focus on Python, Appium, Selenium, API testing, and mobile application testing. Experience Level: Level...  ...of relevant experience Must-Have Technical Skills: Agile software development cycle Product ownership Mobile testing Software development... 
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    Monday to Friday

    System One

    Ashburn, VA
    5 days ago
  •  ...automation capabilities. Required Qualifications Bachelor’s degree in computer science, engineering, or related scientific/technical discipline. 3+ years of experience in software development, quality assurance, and testing. Experience developing and implementing test... 
    H1b
    Visa sponsorship

    ZipRecruiter

    Leesburg, VA
    3 days ago