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Junior Python Developer Jobs in Ashburn, VA, US
310+ junior python developer jobs from 160+ companies hiring in Ashburn, VA, US.
2mo
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Intern (Application Development)
Reston, Virginia, United States
$19-$23/hr RemoteFull Time
Pursuing a degree in Computer Science, Software Engineering, Information Systems or related field; strong communication and technical writing; team collaboration; detail-oriented; able to work independently.
HTML, CSS, JavaScript, .NET, Python, C#, Java, Node.js, Okta, OAuth 2.0, OpenID Connect, Azure DevOps, Git, AWS, GitHub Copilot, Cursor
6d
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Intern - Year Round (Data Engineering)
Vienna, Virginia, United States
$21-$36/hr OnsiteInternship
0+ YOEPursuing a degree; Python/SQL experience; knowledge of data engineering concepts, APIs, and cloud development; strong research and problem solving; able to work independently and in a team.
Python, SQL, APIs, Cloud
2w
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Software Engineering Associate Consultant (Graduating Dec 2025- Summer 2026)
Charlotte or Reston or Richmond
HybridFull Time
0+ YOEEntry-level software engineering role; bachelor’s or accelerated master’s in CS/CE/IT with graduation Dec 2025 or Spring/Summer 2026; internship/ project experience; strong communication and analytical skills.
Java, NET, CSharp, Python, Go, Android, iOS, JavaScript, React, Angular, Node.js, AWS, GCP, Azure
1mo
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Research and Development Analyst
Chevy Chase, Maryland, United States
$75k-$160k/yr HybridFull Time
Proficient in R (Python a plus); SAS/SQL; cloud databases; Excel; data analysis and modeling for insurance products.
R, Python, SAS, SQL, Excel, Cloud databases
2mo
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Intern - Undergraduate
Herndon, Virginia, United States
$16-$17/hr OnsiteInternship
0+ YOEPursuing or completed bachelor’s in CS/engineering/data science; 0-1 years software/AI experience; strong AI/ML coursework; internship preferred.
Java, Python, SQL, PostgreSQL, Git, IDEs, Prompt Engineering, LLMs, Machine Learning
2mo
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Hardware Development Intern - Electrical
Ashburn, Virginia, United States
OnsiteInternship
0+ YOEPursuing a bachelor’s or master’s in CS or EE; strong Python with hardware interaction; LTSpice; UART/I2C; Raspberry Pi/Arduino; Git; VS Code; US citizenship.
Python, LTSpice, Git, VS Code, Altium, Raspberry Pi, Arduino, UART, I2C, Microcontrollers
1w
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Research Summer 2026 Intern - Fire Safety Research Institute
Columbia, Maryland, United States
OnsiteFull Time
Bachelor’s student in a related field; strong interest in safety, research, and non-profit sector.
Excel, Python, LabView
1mo
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Research Assistant: Policy Center (onsite)
Washington, District of Columbia, United States
$50k-$55k/yr OnsiteFull Time
Bachelor’s in Middle East studies or related field; research experience; strong organizational, analytical, and communication skills; Arabic preferred.
Python, Stata, Excel
4w
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Entomology and Biostatistics Intern (Summer 2026)
Baltimore or Anne Arundel County or Montgomery County
$25/hr HybridInternship, Full Time
Degree in entomology/biological/environmental sciences or relevant coursework; statistics/geographical analysis exposure; comfortable outdoors; valid driver's license; able to work in lab and field.
Excel, Google Sheets, R, Python, ArcGIS
2w
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Postdoctoral Associate
Alexandria, Virginia, United States
$70k/yr OnsiteFull Time
PhD in Electrical Engineering, Computer Engineering, Computer Science, or related field; PhD must be awarded within four years; expertise in federated learning and related areas; strong analytical, programming, and communication skills.
Python, C++, USRP, NVIDIA computing platform
1mo
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Scientist I, Protein & Structural Biology
Gaithersburg, Maryland, United States
$117k-$129k/yr OnsiteFull Time
1+ YOEPhD in Biochemistry or related field; 1 year of relevant research experience; expertise in protein structure modeling and related lab techniques.
I-TASSER, Python, Linux, RT-PCR, qPCR, multicolor flow cytometry, immunohistochemistry, protein crystallization, protein expression, assay design
1mo
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Applied Researcher I (AI Foundations, LLM Customization, Finetuning, Reinforcement Learning)
McLean or Cambridge or New York or San Jose
OnsiteFull Time
PhD in Electrical/Computer Engineering, Computer Science, AI, Mathematics, or related fields; or MS with 2+ years applied research experience; expertise in AI foundations, LLMs, finetuning, RL; strong publications and open-source contributions.
Python, PyTorch, AWS, Hugging Face, Lightning, VectorDBs
1mo
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Internship - Cybersecurity and AI R&D
Fairfax, Virginia, United States
$1k/mo OnsitePart Time
0+ YOEInternship in cybersecurity and AI R&D requiring current enrollment or recent graduation in higher education, minimum GPA 3.0, strong technical writing, familiarity with collaboration tools, and programming basics.
Power Platform, Dynamics 365, Microsoft Teams, Power Automate, Power FX, Office 365, Python, Java, XRM, ERP
2w
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Atkinson Postdoctoral Science Fellow, Methane
Boulder or Washington D.C. or Boston or Raleigh or New York or San Francisco or Austin
$72k/yr RemoteFull Time
PhD in a related field; strong remote sensing, GIS, and machine learning; programming for data analysis; ability to work independently and across disciplines; Mandarin is a plus.
ArcGIS, QGIS, Python, R, Earth Observation, Sentinel, Landsat, Machine Learning
1mo
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ASCP Fellowship
Washington or Remote
$3k/yr RemoteSeasonal
0+ YOEUndergrad/graduate students in the U.S. with interest in health policy and healthcare, strong writing and data analysis skills, and proficiency with MS Office; ability to work independently and in teams.
SPSS, Excel, PowerPoint, Word, Python, R, Tableau, MS Outlook
4d
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Higher Ed Andrew Nichols Research Fellow
Washington or California or Tennessee or New York
$19-$30/hr OnsiteFull Time, Temporary
Fellowship role requiring data management, research, and policy-oriented analysis; strong communication and collaboration skills.
R, SQL, Python, STATA, SPSS, Power BI, Tableau
2d
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Post-Doctoral Fellow, The Better Government Lab
Washington, District of Columbia, United States
RemoteFull Time
0+ YOEPhD required; strong data science skills; background in public management/ administration; interest in safety net programs, administrative burden, civic tech and AI; capable of research design, analysis, and reporting.
Python, R, SQL, Stata
1mo
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AI Agent Builder Intern
National Harbor, Maryland, United States
$20/hr OnsiteTemporary, Internship
Internship offering a hands-on role in AI agent development; must be authorized to work in the U.S.; Maryland residency or recent graduate from a Maryland institution; no sponsorship available.
Python, JavaScript, Git, API integrations, NebulaONE
1w
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Intern II
Upper Marlboro, Maryland, United States
$40k/yr OnsiteAll Commitments Available
High school and two years of college coursework; paid internship with mentorship and training in data science and software development.
Python
1mo
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Summer Camp Coding, Digital Arts, or Game Development Assistant Instructor
Fairfax, Virginia, United States
$13-$15/hr OnsiteSeasonal
0+ YOEEntry-level assistant instructor for summer camps; 18+; strong tech/digital arts skills preferred; US work authorization required; 4-10 weeks; pay $13-15/hr.
Python, JavaScript, Lua, Roblox Studio, 3D Modeling, Video Editing
1w
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Digital Wargaming Development Intern
Dumfries, Virginia, United States
OnsiteInternship
0+ YOEPursuing undergrad/grad in engineering, math, physics, CS, stats, or OR; adaptable to tech; interested in military problems; coding experience; U.S. citizen able to obtain security clearance.
Python, Java, R, SQL, PL/SQL, C++
4d
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Advisory Services Analyst (Data & Analytics focus), Consultant Development Program - Multiple Locations
Eden Prairie or Nashville or Washington, D.C.
$60k-$107k/yr HybridFull Time
0+ YOEBachelor's degree, data analysis skills, Excel and SQL experience, strong attention to detail and communication, able to present data findings; eligible to work in the U.S. without sponsorship.
SQL, Excel, Python, PySpark, AWS Glue, Redshift, Quicksight
HiringCafe market data
Junior Python Developer Jobs market signals in Ashburn, VA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
310+
Hiring companies
160+
Fresh sample
44% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
Black RocketOverview EnergyUL Research InstitutesAmerican College of RadiologyAmerican Society for Clinical PathologyCapital OneCapTechCloudforce
Work location mix in visible results
Onsite: 19Hybrid: 4Remote: 4