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  • Backend Developer (Hubrid) (TS/SCI with CI Poly)

    $170k - $210k

     ...The Backend Developer is responsible for the design, development, and maintenance of software applications and APIs using Java and Python programming languages. This role often involves a combination of backend development, API integration, and sometimes includes aspects... 
    Suggested

    Vantor

    Arlington, VA
    28 days ago

  • Full Stack Geospatial Developer (TS/SCI with FS Poly)

    $200k - $250k

     ...JavaScript or TypeScript and a framework such as React, Angular, or Vue.js. \n Experience with back-end development using Java, Python, Node.js, or similar technologies. \n Experience designing and consuming RESTful APIs. \n Professional experience working with... 
    Suggested
    Full time
    Contract work

    Vantor

    McLean, VA
    22 days ago

  • Backend/Python Developer

     ...Python DeveloperPython Developer with AWS candidate in Mclean, VA. Need local candidates. Manager prefers inperson interviews. Existing application. Working with existing team. Maintenance, helping the team. Lambada’s based architecture. Need additional resource to help... 
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    Local area

    Software Technology Inc

    McLean, VA
    4 days ago

  • Senior API/Java/Python Developer

     ...active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.Vantor has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion... 
    Suggested
    Permanent employment
    Full time

    Maxar Technologies

    Arlington, VA
    1 day ago

  • Python Developer

     ...Python DeveloperLocation: McLean VADuration: 6-12 Months – (With possible extension)Must have:PythonDjangoETLAWS (S3, Lambdas)Docker/KubernetesRest APIMicroservicesSQLPostgreSQL/ GroovyBitbucketDesired:TableauQualifications:A minimum of 5 years of experience engineering... 
    Suggested

    InteliX Systems

    McLean, VA
    4 days ago

  • Sr Python Developer | Remote

     ...would prevent the candidate from working on the proposed assignment for the duration of the assignment periodMust Haves: This is a Python developer position, strictly backend - development experience is a must have. Must have Python in AWS experience - boto3 library.... 
    Suggested
    Remote work

    Samprasoft

    McLean, VA
    4 days ago

  • Python/UI Engineer-UI Modernization & Orchestration

     ...AKTRA INC in McLean, VA is seeking a skilled Python/UI Developer with 4+ years of experience to enhance and modernize platforms spanning authorization, scheduling, and web UI architecture. The role emphasizes building scalable UIs, distributed processing pipelines, and... 
    Suggested

    Aktra Inc

    McLean, VA
    1 day ago

  • Lead Full-Stack Engineer | Python/JS, Cloud

    Capital One is seeking a Full-stack Engineer 4 to lead a portfolio of diverse technology projects across distributed microservices and full stack systems. You will collaborate with product managers, mentor engineers, and drive cloud-based solutions that empower millions...
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    itSMF USA

    McLean, VA
    2 days ago

  • Full-stack Engineer 5 (Go, Python, Java)

     ...Full-Stack Engineer 5 (Go, Python, Java)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At Capital One, you'll be part of a big group... 
    Suggested
    Internship

    Capital One

    McLean, VA
    2 days ago

  • Python Developer Senior

    Senior Fullstack DeveloperMclean, VA (Hybrid On-Site)Position Overview:Are you interested in using your software engineering skills to build numerical systems that enable running computationally intensive financial models at scale? Financial Engineering is seeking a Sr...
    Suggested

    Software Technology Inc

    McLean, VA
    3 days ago

  • Senior Full-Stack Python Engineer - TS/SCI with Poly, On-Site VA

     ...General Dynamics Information Technology (GDIT) is seeking an experienced Full Stack Python Developer to join our enterprise software team at McLean, VA on customer site. The role emphasizes Python-based integration, AWS platform experience, and NLP capabilities within... 
    Suggested

    General Dynamics Information Technology

    McLean, VA
    1 day ago

  • Full Stack Mission Essential System Developer

    $86.8k - $198k

     ...You Have: Experience acquiring client requirements and resolving workflow problems through automation optimization Experience with Python, C#, .NET, Spring, Angular, React, or Node.jsExperience with Oracle and ETL tools such as Apache NiFiAbility to work with automated... 
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    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    1 day ago

  • Sr. Python Developer

     ...Python DeveloperDuration: 6-12 Months (Possible Extension or Conversion)Location: McLean, VA (Hybrid)Job Description:This team does integration with third party tools like other SaaS/COTS ProductsNeed someone who can do Data Analysis and Data Mapping related work.Will... 
    Suggested

    Samprasoft

    McLean, VA
    4 days ago

  • Senior Python Developer

     ...Python DeveloperLocation: McLean, VA (Hybrid -Tues-Thru)Duration: 10+ MonthJob Description:Must Haves: 6+ years of hands-on Python development experience using PySpark, XML, Json. Database side they need to have experience with SQL using Hive. 6+ years of experience with... 
    Suggested
    Contract work

    Samprasoft

    McLean, VA
    4 days ago

  • Full-Stack Engineer 4 (Python, Vue, Node, AWS)

     ...Full-Stack Engineer 4 (Python, Vue, Node, AWS)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At Capital One, you'll be part of a... 
    Suggested
    Internship

    Capital One

    McLean, VA
    3 days ago

  • Senior Python Developer

     ...Python DeveloperHybrid - Onsite in McLean Tuesday through Thursday.Must Haves: Full stack developer, emphasis on front end but back end database work is also present. Python w/ Pandas, React or Angular, SQL. Must have hands on experience in an Agile environment, specifically... 

    Software Technology Inc

    McLean, VA
    4 days ago

  • Python/UI Developer

     ...Python/UI Developer McLean, VA September 23, 2026 We are seeking a skilled software engineer with 4+ years of experience to enhance and modernize platforms across authorization, job scheduling, workflow orchestration, performance optimization, and web UI architecture... 

    Aktra Inc

    McLean, VA
    1 day ago

  • Senior Python AI & Full-Stack Engineer

     ...AKTRA INC in McLean, VA is seeking a Senior Python Developer to design, build, and maintain scalable Python applications and AI/LLM-enabled tools. You will implement LangChain, LangGraph, and MCP workflows in production. You will work with AWS, Docker, and CI/CD to... 

    Aktra Inc

    McLean, VA
    1 day ago

  • Machine Learning Engineer 4 (Python, AWS, SQL, GenAI) (Enterprise Platforms Technology)

    $197.3k - $225.1k

     ...Job Description Machine Learning Engineer 4 (Python, AWS, SQL, GenAI) (Enterprise Platforms Technology) Do you love building and pioneering in the AI and technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive,... 
    Full time
    Part time
    H1b
    Local area

    Capital One

    McLean, VA
    7 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 network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal... 
    Local area
    Immediate start

    Leidos

    Falls Church, VA
    4 days ago

  • Senior Python Full-Stack Engineer - Forecasting Platform

    eSolutionsFirst LLC in McLean, VA seeks a Sr. Software Developer to contribute to an enterprise forecasting platform that supports long‑term financial projections and strategic decision‑making. You will enhance core forecasting engines, improving accuracy, performance...

    eSolutionsFirst

    McLean, VA
    1 day ago

  • Senior Python Developer

    $80 - $90 per hour

     ...Work sponsorship is available for this position. Job Title: Python Developer Senior Locations: Onsite in Mclean, VA (5 days a week) Interview Type: In-Person Job Overview: Must Have Qualifications: 8+ years of hands-on professional Python software... 
    Hourly pay
    Local area
    Visa sponsorship

    Zillion Technologies

    McLean, VA
    5 days ago

  • Full Stack Python Developer - TS/SCI with Polygraph Jobs

     ...Full Stack Python DeveloperWe are seeking an experienced Full Stack Python Developer capable of working with a software development team to provide enterprise system support. Successful candidate will be expected to provide software expertise in one or more of these areas... 

    ClearanceJobs

    McLean, VA
    1 day ago

  • Full Stack Python/Django Developer

     ...Full Stack Python/Django Developer About Futrend Technology, Inc. Futrend Technology, Inc. is an innovative provider of high-value IT solutions supporting mission-critical federal programs. Our practice areas include Healthcare IT, Federal Financial Management... 

    Futrend Technology

    Arlington, VA
    1 day ago

  • Python Developer

    $152.51k

     ...cient, and cost-effective solutions that drive measurable results. Learn more at About the Opportunity DMI, LLCis seeking a Python Developer to design, build, and operate the internal applications and automation that support a large federal enterprise IT services... 
    Casual work
    2 days per week
    1 day per week

    Digital Management

    McLean, VA
    1 day ago

  • Senior Python Developer - AI-Driven Federal IT Automation

     ...DMI is seeking a Python Developer to design, build, and operate internal applications and automation supporting a large federal IT services program across Washington, DC and nationwide locations. The role requires ownership from requirements through production support... 

    Digital Management

    McLean, VA
    1 day ago

  • Full-stack Engineer 4 (Python, AWS)

    $197.3k - $225.1k

     ...Full-Stack Engineer 4 (Python, AWS)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At Capital One, you'll be part of a big group of... 
    Full time
    Part time
    Internship
    H1b
    Work at office
    Local area

    Capital One

    McLean, VA
    3 days ago

  • Sr. Full Stack Developer - Python & AI (McLean)

     ...Engineering, or related technical field and 5 years of experience developing analytics software applications, Practical experience with Python, front-end technologies ( React, JavaScript, and web application development), along with the capability to write effective code.... 

    Entagile

    McLean, VA
    5 days ago

  • UI Developer (Angular 12-19,Playwright,Node js, Karma, Jasmine) Only on W2

    Job Description Job title: UI Developer \n **5 Days Onsite at McLean, VA** \n # of Positions: 1 \n Tenure: 1 Year \n Interview Process: Internal & Client \n \n Only on W2 \n Any Visa will work \n \n Required Skills: \n 1. Angular 19 \n 2. JavaScript...

    Compest Solutions Inc.

    McLean, VA
    3 days ago

  • Backend Software Engineer

    $85k - $170k

     ...Engineer, you will work on modernizing legacy enterprise systems by decomposing monolithic Java and .NET services into cloud-native Python microservices. This role is centered on Python development. You will design and deploy lightweight REST APIs and batch processing... 

    Steampunk

    McLean, VA
    4 days ago