Average salary: $184,325 /yearly

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  • Senior Python Developer

    $175,000 per week

    ManTech International seeks a Senior Python Developer to lead design and development of secure, high-performance applications in the Information Technology & Data Management department. You will architect and implement Python-based services, integrate complex data sources... 
    Suggested

    ManTech International

    Herndon, VA
    7 days ago

  • Python Software Developer

    $155,000 per week

    ManTech International seeks a Python Software Developer to build secure, scalable solutions supporting U.S. national security. In the IT & Data Management team, you will design and implement Python-based applications, APIs, and data pipelines for mission-critical systems... 
    Suggested

    ManTech International

    Herndon, VA
    7 days ago

  • Lead, Software Engineer

    $158k - $294k

     ...L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified...  ...Familiarity with multiple programming languages such as C/C++, Python, and Java. Ability to interpret and clearly communicate... 
    Suggested
    Local area
    Flexible hours

    L3Harris Technologies Careers

    Sterling, VA
    5 days ago

  • Python Software Developer

     ...MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging... 
    Suggested

    MANTECH

    Herndon, VA
    6 days ago

  • Senior C++ Software Engineer

     ...Constantly grow as you work hard for a mission that matters at a company where you matter. Your Impact We are seeking an innovative C++ Developer to join our team focused on enhancing computer vision and camera tracking technology for drone detection and mitigation. In this... 
    Suggested
    Work at office
    Remote work

    Menlo Ventures

    Sterling, VA
    2 days ago

  • Remote Full-Stack Engineer (React/Java) - Senior

    $50 - $62.49 per hour

     ...Apex Systems is seeking a Senior Full Stack Developer to join their Agile team, focusing on React and Java for modern UI applications. This contract role requires a strong understanding of full-stack development, with responsibilities including designing responsive applications... 
    Suggested
    Hourly pay
    Contract work
    Remote work

    Apex Systems

    McLean, VA
    4 days ago

  • Cloud Engineer

     ...Openstack* Strong scripting skills in languages such as BASH, Python, and Ansible for automating tasks and workflows.* Expertise with...  ...capabilities. Work closely with the team of architects, software developers, and engineers to recommend and design database or data storage... 
    Suggested

    Nightwing Group

    Sterling, VA
    2 days ago

  • Bioinformatics Software Engineer - Big Data (C++, Python)

     ...An innovative firm is seeking a skilled Software Developer specializing in Bioinformatics and Big Data. This role involves developing and maintaining bioinformatics software for the National Institutes of Health. You'll collaborate with a diverse team to implement efficient... 
    Suggested
    Remote work

    Ariadne Genomics Inc

    Bethesda, MD
    2 days ago

  • Python Developer (Databricks, Medallion Architecture)

    $103.8k - $218.1k

    Job Title: Python Developer (Databricks, Medallion Architecture) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity... 
    Suggested
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Ashburn, VA
    3 days ago

  • Frontend Engineer II: React/Next.js + GraphQL (Remote)

    A leading global media and tech company is seeking a Frontend Software Engineer II. In this remote position, you will be responsible for designing and maintaining frontend components using React and Next.js. The ideal candidate has 3-5 years of experience in software development...
    Suggested
    Remote work

    Yahoo Holdings Inc.

    Reston, VA
    2 days ago

  • Back End Software Engineer

     ...TS/SCI with Full Scope Polygraph Responsibilities As a back-end developer, you know that a good site or system needs the right...  ...with programming languages and back-end software design, such as Python Experience with Docker and Kubernetes Experience with SQL and NoSQL... 
    Suggested
    Local area

    Precision Solutions

    Chantilly, Loudoun County, VA
    1 day ago

  • Full Stack Developer (Angular/Java)

     ...Full Stack Developer (Angular/Java) Ashburn, VA This is a hybrid position based in Ashburn, VA A minimum of one (1) day per week on-site is required. Skills Java, Spring Boot, PostgreSQL, CI/CD, EKS, Angular 14+, Angular Material, Karma, Typescript Bachelor's degree in... 
    Suggested
    1 day per week

    Global Alliant Inc

    Reston, VA
    3 days ago

  • Full Stack Engineer

     ...directly with business leadership to understand data requirements and develop solutions that enable effective decision-making and drive...  ...skill in Azure SQL, Azure Data Lake, Azure App Service, Python, and T-SQL Experience sourcing, maintaining, and updating data... 
    Suggested
    Local area

    Page Mechanical Group Inc

    Vienna, VA
    2 days ago

  • Full Stack Developer

     ...We are seeking an experienced Full Stack Software Developer to join our team and provide software maintenance and engineering support....  ...Experience with system and database integration. Proficiency in Python, Tomcat, Linux, Windows, and PostgreSQL. Experience with GIS applications... 
    Suggested
    Relocation package

    BasisPath Inc

    Alexandria, VA
    23 hours ago

  • FinTech - AI Finance - Front-end Software Developer - Senior

    $70k - $117k

     ...FinTech - AI Finance - Front-end Software Developer - Senior Location: Arlington, Virginia, US Role Overview EY is hiring a Senior Front...  ...stateful web applications. Familiarity with Azure Web Apps and/or Python‑based backend environments. Interest in finance, FP&A workflows... 
    Suggested
    Full time
    Summer holiday
    Work at office
    Flexible hours

    TryApplyNow

    Arlington, VA
    23 hours ago

  • Back End Software Engineer

    $86.8k - $198k

     ...1006 Back End Software Engineer The Opportunity: As a back-end developer, you know that a good site or system needs the right combination...  ...in software development with programming languages, such as Python, and back-end software design 5+ years of experience designing,... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Chantilly, Loudoun County, VA
    1 day ago

  • Data Engineer (Python/PySpark/AWS)

     ...Engineer to join our dynamic team. As a Data Engineer, you will play a crucial role in designing, developing, and maintaining our clients data infrastructure. Your expertise in Python, PySpark, ETL processes, CI/CD (Jenkins or GitHub), and experience with both streaming and... 
    Local area

    Infinitive

    Ashburn, VA
    23 hours ago

  • Software Engineer with Poly SR SWE1

     ...machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure... 

    Lockheed Martin

    Sterling, VA
    11 hours agonew

  • Software Developer (Full Stack Developer)

     ...Software Developer (Full Stack Developer) Department: Data Analysis and Technology Services Employment Type: Full Time Location: Chantilly...  ...’ll engineer, test, and debug cloud‑native applications using Python, Java, JavaScript, React, and Node, while also creating and... 
    Full time
    Remote work

    Ardent Principles Inc

    Chantilly, Loudoun County, VA
    1 day ago

  • Senior Oracle APEX Full-Stack Developer

    $120k - $125k

    A woman-owned small business in IT solutions is seeking a full-time Programmer Analyst to support a robust financial application. The ideal candidate will have over 10 years of experience, expertise in Oracle APEX, and strong skills in SQL and PL/SQL. This role involves...
    Full time

    Yakshna Solutions

    Herndon, VA
    2 days ago

  • Full Stack Developer

     ...seeking a highly skilled Full Stack Software Engineer to design, develop, and deploy scalable web-based applications and data-driven...  .... Develop backend services and data processing pipelines using Python and PySpark. Implement data visualization and interactive UI components... 

    Vosper Thornycroft Group

    Chantilly, Loudoun County, VA
    23 hours ago

  • C++ Software Engineer (DC, NoVA)

     ...directed energy, metamaterials, and biothermal modeling. Experience in any of the following is a plus: Additional languages: Java, Python, TypeScript Relevant libraries: Boost, Eigen Cross-platform development on Linux and Windows 3D graphics: OpenSceneGraph, OpenGL, WebGL... 
    Flexible hours

    Stellar Science Ltd Co

    Falls Church, VA
    1 day ago

  • Lead Frontend Developer - Geospatial

     ...are delivered on time, within budget, and tailored to each client’s unique needs. Closure Technologies is seeking a Lead Frontend Developer to support a mission‑critical geospatial program in Chantilly, VA. The developer will be the sole frontend engineer on the team, requiring... 

    Closure Technologies LLC

    Chantilly, Loudoun County, VA
    1 day ago

  • Senior Full Stack Developer

     ...Black Canyon Consulting (BCC) is searching for a Sr. Full Stack Developer to support our work for the National Center for Biotechnology...  ...diseases! NCBI’s wide range of applications, platforms (node, python, Django, C++, you name it) and environments (big data [petabytes... 
    Full time
    Work at office
    Remote work

    NIH-NCBI

    Bethesda, MD
    1 day ago

  • Backend Developer (TS/SCI Required)

     ...Accrete seeks a self-motivated and results-oriented team player to develop, troubleshoot, and improve our artificial intelligence products...  ...in AWS, Azure, and Google Cloud Demonstrated expertise with Python and common libraries used in data manipulation and and web... 
    Work at office
    Immediate start

    Accrete

    Alexandria, VA
    3 days ago

  • Software Engineer - Full Stack

     ...mandatory for consideration.**Responsibilities**• Contribute to developing full‐stack applications using technologies such as Angular,...  ...services such as Lambda. • Write simple scripts or components in Python as needed. • Participate in containerization work, including basic... 
    Internship

    Nightwing Group

    Sterling, VA
    1 day ago

  • Full Stack Software Engineer

    $69.4k - $158k

     ...Full Stack Software Engineer As a full stack developer, you can resolve a problem with a complete end‑to‑end solution in a fast and agile...  ...tools to perform testing and maintenance Experience with Java, Python, C#, C/C++, .NET, JavaScript, React, Node.js, PHP, or Drupal... 
    Full time
    Contract work
    Part time
    Local area

    Booz Allen Hamilton

    McLean, VA
    4 days ago

  • Full Stack Software Developer - TS/SCI with Polygraph

     ...opportunity to make a personal impact as a Full Stack Software Developer, supporting customer activities. GDIT is your place to make meaningful...  ...build and deployment tasks by writing scripts in bash and/or Python Experience configuring Apache web servers Location : Bethesda,... 

    General Dynamics Information Technology

    Bethesda, MD
    2 days ago

  • Full Stack Software Engineer - Ruby on Rails, JavaScript required

     ...Reston, United States | Posted on 04/10/2026 Key Responsibilities Design, develop, and maintain scalable web applications using Ruby on Rails Build modern, responsive front‑end interfaces using frameworks such as React, VueJS or Next.js Develop RESTful and/or GraphQL APIs... 

    TALENT HIVE

    Reston, VA
    1 day ago

  • Java Developer

    $87.1k - $157.45k

     ...Job Summary Leidos has an exciting opportunity for a Java Developer in our Intel Security Sector's Analysis Solutions Business Area . A...  ...leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash). Apply and identify software development best practices... 

    Association of Old Crows

    Bethesda, MD
    23 hours ago