Average salary: $130,750 /yearly

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  • Web Application / API Services Developer - Senior Level (FI3)

     ...Web Application / API Services Developer – Senior Level (FI3) Job Description: Are you opinionated on what it takes to create...  ...everyone in our customer space?  We're looking for senior software engineers that know how to get things done, and if you answered yes to any... 
    Suggested
    Flexible hours

    Trinity ES LLC

    Chantilly, Loudoun County, VA
    2 days ago

  • Software Engineer - Automation (RPA / BPMN / SQL/API) - 10+Years experience

     ...Job Title: Software Engineer - 10+years experience Location: Herndon, VA (Hybrid in office at least 4 days per week) Type: 6+ Month...  ...and limitations of Robotic Process Automation (RPA), APIs, scripts, and other workflow automation tools. Systems Thinking... 
    Suggested
    Contract work
    Work at office

    TWO95 International

    Herndon, VA
    3 days ago

  • Test Automation Engineer, Senior

    $104.32k - $130.4k

     ...Responsibilities Acentra Health is looking for a Test Automation Engineer, Senior to join our growing team. Job Summary: The...  ...Collaborate with peers to enhance automation coverage for API, UI, batch, and backend testing layers Champion test automation... 
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    Acentra Health

    McLean, VA
    4 days ago

  • Test Automation Engineer

     ...Overview Acuity, Inc. seeks a  Test Automation Engineer  to support a federal client by designing, developing, and maintaining automated...  ...automated tests for  functional, integration, regression, API, and data validation scenarios Automate test execution across... 
    Suggested
    Work from home

    Acuity

    Reston, VA
    4 days ago

  • Test Automation Engineer

     ...success is driven by a talented team of technologists, consultants, engineers, and subject-matter experts who support complex federal missions...  ..., design, and maintenance of automated test suites for UI, API, regression, and smoke testing. Develop, execute, and optimize... 
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    Contract work
    For contractors

    Oasys International

    Fairfax, VA
    20 hours ago

  • Principal Systems Engineer

     ...Description SAIC is seeking a highly skilled Principal Systems Engineer to take a leadership role in the design, development, and...  ...of detailed technical documentation, including system designs, APIs, and architectural diagrams. Communicate complex technical concepts... 
    Suggested
    Work experience placement

    SAIC

    Reston, VA
    4 days ago

  • Business Process Automation/PowerPlatform Developer

    $63.8k - $80k

     ...Microsoft Power BI Report Builder skills and experience Microsoft SQL Server Reporting experience Ability to connect to API data feeds CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package... 
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    Temporary work
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    Cathexis

    McLean, VA
    4 days ago

  • Python Service Developer (Search / Data Services) MULTIPLE OPENINGS/LEVELS

     ...integrations with Elasticsearch clusters Implement RESTful APIs and service interfaces Support data indexing, querying, and...  ...Qualifications TS/SCI Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience) Entry level to... 
    Suggested
    Full time

    Altamira Technologies

    McLean, VA
    4 days ago

  • Automated Test Engineer

     ...Automated Test Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U....  ...Understanding of containerization technologies Experience with API testing and automation Ability to mentor and guide junior... 
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    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    Reston, VA
    1 day ago

  • Security Operations Engineer

     ...The Security Operations Engineer (SecOps Engineer) supports day-to-day security operations for our managed services and security customers...  ...Microsoft Defender Vulnerability Management (MDVM) and MDE APIs for continuous hygiene improvement. Security Engineering &... 
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    Contract work
    Work at office

    NeoSystems Corp

    Reston, VA
    1 day ago

  • Automated Test Engineer

    $90k - $130k

     ...Overview As an Automated Test Engineer , you will work with our growing DevSecOps practice delivering quality assurance services to...  ...using Cucumber JVM, TestNG, and Selenium Develop and execute API tests using TestNG and related tooling Perform performance and... 
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    Steampunk.com

    McLean, VA
    1 day ago

  • Test Automation Developer - ETL/API/Rules

    Test Automation Developer – ETL/API/Rules Position Description CGI Federal has an exciting opportunity for a Test Automation Developer...  ..., application programming interfaces (APIs), and business rules engines. This role involves a blend of technical expertise in automation... 
    Suggested
    Local area
    Arlington, VA
    more than 2 months ago

  • API Software Engineer

    $69.4k - $158k

     ...Job Number: R0232594 API Software Engineer 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 a back-... 
    Suggested
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    20 hours ago

  • Principal Systems Engineer (Cloud)

     ...Advanced hands-on experience serving in the role of as a Lead Engineer/Software Architect supporting various technical and functional domains...  ..., etc.). Knowledge of integration patterns. Experience in API design and management and managing with knowledge in payments... 
    Suggested
    Internship
    Monday to Friday
    Flexible hours

    Navy Federal Credit Union

    Vienna, VA
    20 hours ago

  • DevOps Engineer w/Automation and coding background

     ...Client is the end client DevOps Engineer w/Automation and coding background Reston VA - must interview onsite. Note: The manager...  ...such as AWS Lambda and Amazon ECS. • Implement RESTful APIs and other communication protocols for microservices. • Collaborate... 
    Suggested
    Local area
    2 days per week

    Syntricate Technologies

    Reston, VA
    2 days ago

  • Performance Load Test Engineer

     ...success is driven by a talented team of technologists, consultants, engineers, and subject-matter experts who support complex federal...  ...understanding of application architecture (web, microservices, APIs) ~ Experience working with AWS cloud environments ~ Networking... 
    Contract work
    For contractors

    Oasys International

    Fairfax, VA
    20 hours ago

  • Application Engineer (with Test Automation)

     ...applications and/or COTS products using various programming languages, APIs, and automated testing frameworks Partner with product,...  ...or experience ~5+ years of experience in application engineering and test automation ~ Experience in building and maintaining... 
    Internship
    Monday to Friday

    Navy Federal Credit Union

    Vienna, VA
    20 hours ago

  • Cloud Systems Development Engineer

    $98.5k - $206.8k

     ...Job Title: Cloud Systems Development Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start...  ...Dev Engineer with 7+ years of experience to develop Workflows and API Integrations in a hybrid cloud environment. Leverage your... 
    Full time
    Contract work
    Work experience placement
    Work at office
    Flexible hours

    CACI International

    Reston, VA
    20 hours ago

  • Cloud Systems Engineer

     ...interests. Requisition #: 1492 Job Tittle: Cloud Systems Engineer Location: McLean, VA SUMMARY We're seeking a proactive...  ...operational processes. Integrate systems and services using APIs and modern authentication protocols (SAML, OAuth, OIDC, SCIM).... 
    Work at office

    Agile Defense

    McLean, VA
    3 days ago

  • Cybersecurity Systems Engineer - Senior (CAASM)

     ...Job Description: Cybersecurity Systems Engineer – Senior (CAASM) Location: Washington D.C. Employment Type: Full-Time About SERVISS...  ...enforcement, and cyber hygiene at scale Lead integration efforts using APIs, message buses, and data pipelines Define engineering... 
    Full time

    SERVISS LLC

    Fairfax, VA
    4 days ago

  • Distinguished Engineer (Remote-Eligible) - API/AI Gateway Platform

    $244.7k - $279.2k

     ...Overview Distinguished Engineer (Remote-Eligible) - API/AI Gateway Platform As a Distinguished Engineer at Capital One, you will be a part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our... 
    Full time
    Part time
    Local area
    Remote work

    Capital One

    McLean, VA
    a month ago

  • DevOps Engineer/Systems Engineer (Mission Systems)

     ...DevOps Engineer/Systems Engineer (Mission Systems) Location: McLean, VA Must have an active TS/SCI FS Poly Role Overview: Join...  ...Familiarity with  AWS Secrets Manager/Parameter Store and modern API gateway patterns. Resiliency & Planning: Knowledge of... 

    Node.Digital

    McLean, VA
    3 days ago

  • Information Systems Security Engineer (ISSE)

    $50k - $290k

     ...in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science, Cyber Enablement, Logistics, and Training....  ...Design, develop, and maintain reusable frameworks, libraries, APIs, and reference implementations that integrate applications with... 
    Contract work
    Work experience placement

    Swift

    Reston, VA
    3 days ago

  • Hiring Event - Systems Security/Network Engineers

     ...to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. L3Harris Engineering Career Fair – Herndon, VA Date : Thursday, April 23, 2026 Time : 2:00 pm - 6:00 pm EST Location : DoubleTree by Hilton McLean... 
    Full time
    Local area
    Worldwide

    L3Harris Technologies

    Reston, VA
    1 day ago

  • Information Systems Security Engineer (ISSE)

     ...a subsidiary of VTG, is seeking a Information Systems Security Engineer (ISSE). The ISSE will lead and execute security engineering activities...  ...Data platforms (e.g., HPCC, Hadoop/Cloudera) Web services, APIs, and application architectures Software development... 
    Immediate start

    VTG Defense

    Falls Church, VA
    5 days ago

  • Staff Integration and Test Engineer - Radar Systems

     ...systems, and surface combat systems and sensors. The Work This position is for an experienced Radar System Integration and Test engineer who will provide leadership to Integration and Test, checkout, and formal acceptance testing activities for various Ground Based... 
    Full time
    Flexible hours

    Lockheed Martin

    McLean, VA
    12 hours agonew

  • ServiceNow Hardware Asset Management Developer

    $75.2k - $158.1k

     ...and external systems, inventory management systems and discovery tools. Utilize various integration methods including REST/SOAP APIs, MID Servers, and data sources. Process Improvement & Automation: Collaborate with ITAM and other business stakeholders to understand... 
    Full time
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Reston, VA
    20 hours ago

  • Automation Test Engineer (Python & Java)

     ...Overview: Role: Automation Test Engineer (Python & Java) Location: McLean, VA Duration: 6 months Exp: 10+ Years Skills...  ..., and performance testing across various applications (web, API, potentially mobile). Collaborate closely with development, QA... 

    Purple Drive

    McLean, VA
    4 days ago

  • Project Manager - Senior HVAC Engineer

     ...GPI is seeking a Project Manager / Senior Mechanical (HVAC) Engineer to join our Metro DC team, based in either our Rockville, MD or Fairfax, VA office. This role offers the opportunity to lead, mentor, and grow a project team while delivering high-quality mechanical... 
    Contract work
    Work at office

    GPI / Greenman-Pedersen, Inc.

    Fairfax, VA
    4 hours agonew

  • System Engineer / Slack Administrator

     ...Job Title: Systems Engineer - Slack Administrator/ Engineer Duration: 10 Months Location: Richmond/McLean, VA Role Overview...  ...development skills are not required, familiarity with Slack APIs and Slack app concepts is important. Key... 
    Temporary work

    Artech

    McLean, VA
    1 day ago