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  • Senior PySpark Data Engineer: Spark, Java & APIs

     ...stack. You’ll collaborate with business partners to translate requirements into scalable solutions using Java, Spark, Hive, and RESTful APIs. You will join an Agile team, identify opportunities to improve architectures, and adopt new technologies. The role rewards... 
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    Ascyndent

    Mc Lean, VA
    5 days ago

  • Oracle Integration & API Engineer

    $114.6k - $252.1k

    Job Title: Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start...  ...in Reston as business needs arise.Responsibilities:Design, develop, and maintain integrations between Oracle Fusion Cloud HCM and federal... 
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    Contract work
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    Flexible hours

    CACI International

    Reston, VA
    1 day ago

  • Senior Oracle Integration & API Engineer

    $114.6k - $252.1k

    Job Title: Senior Oracle Integration & API EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required...  ...in Reston as business needs arise.Responsibilities:Design, develop, and maintain integration interfaces between Oracle Fusion Cloud... 
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    CACI International

    Reston, VA
    1 day ago

  • Lead Java Cloud Engineer (AWS, EKS, APIs & API Management)

     ...Description Job Description Lead Java Cloud Engineer (AWS/API Development) Location: Reston, VA (Hybrid - 1 day onsite per...  ...Lead Java Cloud Engineer with strong experience designing and developing enterprise-level APIs in cloud environments. This role focuses... 
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    Contract work
    1 day per week

    System One

    Reston, VA
    16 days ago

  • Junior AI/GenAI Engineer — Python, APIs & Cloud

    $70k - $90k

     ...Services Limited in McLean, VA is seeking an Engineer to design, develop, test, and deploy applications and integrations using modern...  ...technical solutions for customers. Required: Python, SQL, REST APIs, Git and CI/CD, plus cloud/containers (AWS/Azure/GCP, Docker/Kubernetes... 
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    Tata Consultancy Services Limited

    Mc Lean, VA
    5 days ago

  • SME Systems Engineer- API Gateway & Cloud Architecture

    $180k

     ...seeking an SME Systems Engineer to provide technical leadership for API Gateway technologies, cloud architecture, and enterprise...  ...necessary to allow you the room to pursue everything you want to develop in your personal life. We offer a generous Paid Time Off benefit... 
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    Flexible hours

    Synergy ECP

    Sterling, VA
    4 days ago

  • API Python Developer with Claude

     ...30 miles of 22102 Pay Range: 40-45/hr on w2 Candidates should work on Artech w2  Introduction Join our dynamic team as a developer focusing on API-based projects. This role is perfect for those with strong development skills and a passion for working with cutting-edge... 
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    Immediate start

    Artech LLC

    McLean, VA
    15 days ago

  • API Developer with Core Banking Environment --- Locals Only --- Hybrid role ---- No Third Parties

    $75 - $85 per hour

     ...Sharma || (***) ***-**** shaily(at)zilliontechnologies(dot)com API Integration Engineer with Core Banking Environment Location -...  ...insurance; 401(k) We are looking for a Senior API Developer who is well verse in Core Banking APIs. Experience with Oracle Core... 
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    Zillion Technologies, Inc.

    Vienna, VA
    26 days ago

  • Senior Software Engineer - C++/Linux | Clearance Required

    $155k - $185k

     ...legacy migration to Kubernetes Distributed application design using APIs, gRPC, Protocol Buffers, and messaging middleware such as DDS or AMQP Integration of COTS, open-source, and custom-developed software components Diagnosis of complex software, networking,... 
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    Jobot

    Manassas, VA
    23 hours ago

  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...Candidate We're looking for someone who is more than a front-end developer. You are passionate about how technology feels and functions...  ...tooling. Experience developing or consuming RESTful APIs and integrating UI applications with backend services. Experience... 
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    Leidos

    Manassas, VA
    23 hours ago

  • Software Tester / QA Engineer (Web & API Testing)

    (TS/SCI w POLY REQUIRED) Software Tester / QA Engineer (Web & API Testing) We are seeking a detail-oriented and technically skilled...  ...such as Postman and Swagger to test, document, and validate APIs Develop and maintain automated test scripts using frameworks such as... 
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    Stech Technology UK Limited

    Chantilly, Fairfax County, VA
    4 days ago

  • Python Developer

    $107.9k - $195.05k

     ...Description Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer...  ...Experience supporting full-stack solutions including RESTful API and Angular-based web UI Linux system administration experience... 
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    Leidos

    Manassas, VA
    23 hours ago

  • Advanced Software Engineer (C++, Java)

    $124.22k - $137.8k

     ...:As a Software Engineer, you will join a cross-functional team developing and integrating mission-critical software for U.S. Navy submarine...  ...requirements.Integrate distributed applications using APIs, AMQP, gRPC, Protocol Buffers, and data-driven interfaces.Develop... 
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    Flexible hours

    General Dynamics Mission Systems

    Manassas, VA
    2 days ago

  • Full-stack Engineer 5 (GraphDB & API Platform) (Enterprise Platforms Technology)

    $229.9k - $262.4k

     ...Full-stack Engineer 5 (GraphDB & API Platform) (Enterprise Platforms Technology) At Capital One, you'll be part of a big group of...  ...customer data and relationship capabilities, while guiding teams of developers in building resilient cloud-native systems. You will work... 
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    Full time
    Part time
    Internship
    Local area

    Capital One

    McLean, VA
    1 day ago

  • Senior DevOps / Platform Engineer (Kubernetes, GitLab & GitOps)

     ...enterprise technology modernization initiative. This initiative focuses on developing foundational platforms and services that enable secure data connectivity, interoperability, API integration, and emerging AI capabilities across a large, complex enterprise environment... 
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    Flexible hours

    Virtual Service Operations

    Manassas, VA
    13 days ago

  • Software Engineer Sr. C/C++

    $110.3k - $204.9k

     ...obstacles stemming from technical debt or system requirements and develop pragmatic solutions to address them.• Rapidly build expertise...  ...cost vs. performance, time to market vs. quality).• Expertise in API design and integration, including REST, gRPC, GraphQL, OpenAPI,... 
    Full time
    Contract work
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Flexible hours

    Lockheed Martin

    Manassas, VA
    23 hours ago

  • Front-End Software Engineer

    $120k - $175k

     ...of physical systems. Position Description: As a front-end developer you will be responsible for designing and implementing front-end...  ...mocking frameworks Familiarity with back-end development, API design, and any relational or document database system Details... 
    Flexible hours

    HRUCKUS

    Reston, VA
    2 days ago

  • Full-Stack Engineer 4 (Python, GO, API, AWS) (Cloud Operations Resilience Engineering)

    $197.3k - $225.1k

     ...Overview Full-Stack Engineer 4 (Python, GO, API, AWS) (Cloud Operations Resilience Engineering) Do you love building and pioneering...  ...Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full... 
    Full time
    Part time
    Internship
    H1b
    Local area

    Capital One

    McLean, VA
    a month ago

  • SW Engineering (Java/C++) Intern (Summer 2027)

    $22 - $29 per hour

     ...on projects that support some of our nation's fundamental defense services. GDMS employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions. The selected candidate will work with collaborative... 
    Summer work
    Internship
    Flexible hours

    General Dynamics

    Manassas, VA
    3 days ago

  • Payload Control System - Software/Systems Engineering Intern (Summer 2027)

     ...through deployment. Learn how mission-critical systems are developed with a focus on reliability, safety, and quality. What you bring...  ..., projects, clubs, or internships building web applications, APIs, embedded software, or automated test tools. Familiarity... 
    Summer work
    Internship
    Flexible hours

    General Dynamics

    Manassas, VA
    2 days ago

  • Lead Information Security Engineer - Red Team

    $105.79k - $141.05k

     ...assessments across infrastructure, applications, cloud platforms, APIs, databases, and identity systems. Direct Advanced Cyber...  ...defensive, business, and executive stakeholders. ~ Experience developing security tools, exploits, payloads, automations, and new Red Team... 
    Full time
    Temporary work
    Remote work

    Lumen

    Annandale, VA
    2 days ago

  • Senior Cloud Architect

     ...infrastructure operations and guide, as necessary. Oversee backend/API team operations and guide, as necessary. Oversee backend/UI...  ...TS/SCI w/FSP ~ BS in a relevant discipline ~ Designing, developing, and deploying business software at scale ~ Architecting and... 

    Cohere Technology Group LLC

    Centreville, VA
    24 days ago

  • Mid-Level Software Engineer

    $94.4k - $198.2k

     ...addresses evolving mission demands. Responsibilities: Design and develop full-stack web applications while providing technical leadership...  ...architecture and improvements Build and maintain RESTful APIs and responsive user interfaces using Java/Spring Boot and... 
    Full time
    Contract work
    Work experience placement
    Flexible hours

    CACI International, Inc.

    Sterling, VA
    1 day ago

  • Mid-Level Software Developer

     ...utilizes data and technology. We are looking for a Mid-Level Software Developer to join our team and contribute to the design, development, and...  ...authentication, and role-based access control. Integrate APIs, databases, and other services to support functionality... 
    Contract work

    Redhorse Corporation

    Chantilly, Loudoun County, VA
    23 hours ago

  • UI Developer

     ...government uses data and technology. We are seeking a skilled UI Developer to design and build intuitive user interfaces for a next-...  ...cross-browser compatibility. Experience working with RESTful APIs and backend integration. Experience using version control... 
    Contract work

    Redhorse Corporation

    Chantilly, Loudoun County, VA
    23 hours ago

  • Java Developer

     ...Description Job Description Cohere is seeking an experienced Java Developer! You will provide support on a team that provides a full...  ...system. Duties included but are not limited to: Develop Java APIs using Spring Boot Integrate a Spring Boot application with... 

    Cohere Technology Group LLC

    Centreville, VA
    24 days ago

  • Salesforce Platform Engineer

     ...declarative-first approach, using Apex, Lightning Web Components, or APIs when neededHelp unify program, relationship, event, and...  ...certification required; additional certifications (e.g., Platform Developer I, Agentforce Specialist) preferred2+ years of hands-on... 
    Work at office
    Shift work

    NobleReach Foundation

    Falls Church, VA
    13 hours agonew

  • Software Engineer (C++)

     ...keep delivery fast, reliable, and secure. Responsibilities: Develop and maintain C/C++ applications on Linux using command-line...  ...cost vs. performance, time-to-market vs. quality). Expertise in API design and integration, including REST, gRPC, GraphQL, OpenAPI,... 
    Contract work

    Oteemo, Inc

    Manassas, VA
    20 days ago

  • Senior Software Engineer

    Overview Senior C++ Developer role with responsibilities spanning feature development, requirements analysis, and collaboration across multi...  ...as necessary. Qualifications / Skills C/C++, ProtoBuf, gRPC, API Design, Oracle PL/SQL, GDB, Valgrind, Multithreading, Tuxedo,... 
    Full time

    TechWish

    Manassas, VA
    4 days ago

  • Software Engineer

    Build, deploy, and maintain robust web applications in cloud environments. Create and connect REST APIs while managing data ETL pipelines. Handle Linux system administration duties and write Bash scripts for automation. Integrate AI/ML models and manage database systems... 
    Part time
    Flexible hours

    Footbridge Federal

    Centreville, VA
    4 days ago