📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Junior Python Developer Jobs in New Hempstead, NY, US
220+ junior python developer jobs from 150+ companies hiring in New Hempstead, NY, US.
1w
Save
Mark Applied
Hide
Research Support Assistant II
New York, New York, United States
$21-$25/hr OnsiteContract
1+ YOEBachelor's degree in Science and/or information technology; 1 year Python and MATLAB; 1 year time-series analysis; 1 year probabilistic classification models in NumPy, SciPy, and SciKit-learn.
Python, MATLAB, NumPy, SciPy, SciKit-learn
1d
Save
Mark Applied
Hide
NERA Researcher – AT/Healthcare (Immediate Hire)
San Francisco or Chicago or New York City
$90k-$102k/yr HybridFull Time
2+ YOE2-3 years of professional experience; BA/BS in economics, statistics, mathematics or related field; strong programming skills (Python, R, SAS, Stata); excellent written and oral communication.
Python, R, SAS, Stata
1mo
Save
Mark Applied
Hide
Pre-Doctoral Researcher, Initiative for Computational Catalysis
New York, New York, United States
$60k/yr OnsiteFull Time
1+ YOEPhD student or candidate in physics, chemistry, materials science, or related field; 1–2+ years of coursework; programming in Matlab, Python, Julia, Fortran, or C/C++; strong communication and collaboration skills.
Matlab, Python, Julia, Fortran, C/C++, Git, Linux
2w
Save
Mark Applied
Hide
Machine Learning Researcher (PhD) - Systematic Commodities Hedge Fund
New York, New York, United States
OnsiteFull Time
PhD (completed or near completion) in ML, statistics, applied math, computer science, physics, engineering or related field; strong Python; statistical learning; large datasets; practical implementation; curious and problem-solving.
Python, LightGBM, XGBoost, Deep Learning, Cloud Computing, Distributed Computing
2mo
Save
Mark Applied
Hide
Multimodal AI PhD Intern (Spring 2026)
New York City or United States
$5k-$7k/mo RemoteFull Time, Internship
3+ YOEPhD student in a technical field; 3+ years in program; experience in multi-modal learning; proficient in Python and PyTorch; published in AI venues; available Spring 2026; remote work or from NYC HQ.
Python, PyTorch, AWS, GCP, GPU
3w
Save
Mark Applied
Hide
Photonics and Thermal Research Intern
Basking Ridge, New Jersey, United States
OnsiteInternship
PhD candidate in ME, EE, or Applied Physics; experience with FDTD/FEA tools; machine learning in Python; strong communication and publication track record.
FDTD, COMSOL, Lumerical, Python, COSMOL, machine_learning_toolboxes
1mo
Save
Mark Applied
Hide
Postdoc Data Science Oncology
Spring House or Titusville or Cambridge
$95k/yr HybridFull Time
PhD in computational biology or related field; strong omics data experience; proficiency in R/Python; excellent scientific writing; first-author publications.
R, Python, Single-cell RNA-seq, Spatial transcriptomics
1mo
Save
Mark Applied
Hide
NLP Research Intern
New York, New York, United States
$15/hr RemoteInternship
Pursuing PhD or Master's in CS, Computational Linguistics, Data Science; strong Python/SQL; NLP libraries; ML/LLM experience; HIPAA awareness; publish research; able to communicate to technical and non-technical audiences.
Python, SQL, NLP libraries, LLMs, AWS
2mo
Save
Mark Applied
Hide
Research Intern – Multimodal Foundation Model for Vision
New York or Europe or Tokyo
RemoteInternship
Pursuing master's or PhD in CS or related field; self-motivated; strong communication; Python and PyTorch skills; publications/deploymen t in foundation models a plus.
Python, PyTorch
2mo
Save
Mark Applied
Hide
Postdoctoral Research Fellow, Cognitive/Computational Neuroscience
New York City, New York, United States
$68k-$72k/yr HybridFull Time
0+ YOEPhD in psychology, neuroscience, cognitive science, computer science, statistics or related field; strong Python skills; proven research output; collaborative mentored work.
Python, NumPy, Pandas, PyTorch, Transformers, EEG (MNE-Python), MNE-Python
1mo
Save
Mark Applied
Hide
Post-Doctoral Research Fellow
New York, New York, United States
$70k-$80k/yr OnsiteFull Time
PhD in Physics, Engineering, Computer Science, or related fields; strong MATLAB and Python; AI/ML and automation experience preferred; Eclipse API scripting (C#) and medical image analysis preferred; excellent problem-solving and communication.
MATLAB, Python, Eclipse, C#, Medical Image Analysis, Monte Carlo Simulation
1w
Save
Mark Applied
Hide
Fundamental Analyst - Volatility
New York, New York, United States
$125k-$175k/yr OnsiteInternship
Experience or interest in fundamental analysis, stock valuation, and catalysts/risks; familiarity with volatility trading; programming in Java/SQL/Python; strong writing, math, and analytical skills.
Java, SQL, Python
3w
Save
Mark Applied
Hide
Postdoctoral Fellow, AI/ML Applications for Vaccine
Pearl River, New York, United States
$65k-$108k/yr OnsiteFull Time
PhD in Computational Biology, Bioinformatics, CS or related field; strong ML, deep learning with sequence data; Python and ML frameworks; 2 letters of recommendation; <2 years post-degree experience; willing to commit 2+ years.
Python, PyTorch, TensorFlow, scikit-learn, ML frameworks
2mo
Save
Mark Applied
Hide
Burning Plasma Scientist
Kearny, New Jersey, United States
$135k-$210k/yr OnsiteFull Time
PhD in Plasma or Computational Physics or related field; programming in Python, Fortran, C++, or MATLAB; experience with ML surrogates and kinetic-MHD codes; collaboration in a startup/research setting.
Python, Fortran, C++, MATLAB
1mo
Save
Mark Applied
Hide
Postdoctoral Fellow-MSH-30001-333
New York City, New York, United States
$75k-$80k/yr OnsiteFull Time
PhD in a quantitative field; ML/stat modeling experience; NGS genomic analysis; strong communication; publication record; programming in R/Python/Perl/Unix; team oriented.
R, Python, Perl, Unix, LSF
1mo
Save
Mark Applied
Hide
Paid Search Strategist
Dallas or New York
$61k-$94k/yr HybridFull Time
Develop and optimize paid search strategies; conduct keyword research and analysis; manage budgets; collaborate cross-functionally; mentor juniors.
Google Analytics, Google Ads, Python, Large Language Models
3w
Save
Mark Applied
Hide
MSCI Institute - Summer Intern
New York, New York, United States
$25-$35/hr OnsiteMultiple Commitments Available
0+ YOECurrently pursuing a degree in Computer Science, AI, ML, Data Science; Python and ML libraries experience; API integration; experience with large datasets.
1w
Save
Mark Applied
Hide
Applied Machine Learning Scientist I (US)
New York or Greenville or Charlotte or Mount Laurel or Portland
$76k-$125k/yr OnsiteFull Time
Develop and validate AI/ML models, ensure fairness/bias detection, and collaborate with stakeholders. Proficiency in Python; knowledge of GenAI/NLP and cloud platforms.
Python, PyTorch, LangChain, HuggingFace, Azure, AWS, PySpark, Hadoop, PromptFlow, LLM
1mo
Save
Mark Applied
Hide
Intern, Information Systems (Port Washington, NY, US, 11050)
Port Washington, New York, United States
OnsiteInternship
0+ YOEAssist in specification, design, development, and maintenance of information systems; analyze data; support IT projects; proficient in PHP/Laravel, Python, JavaScript, SQL, Git.
PHP (Laravel), Python, JavaScript, SQL, Git, Microsoft Teams/SharePoint, PowerApps, JIRA, Confluence, Data visualization
3w
Save
Mark Applied
Hide
Research Intern, Machine Learning
New York or San Francisco
$4k-$12k/mo OnsiteInternship, Full Time
PhD candidate in ML/CS/Computational Biology; strong deep learning background; Python proficient; experience with large datasets; publications in top venues; able to work 20+ hours/week for 12–24 weeks.
PyTorch, TensorFlow, Python
1mo
Save
Mark Applied
Hide
Associate
Austin or Bridgewater or Charlotte or Hartford or Phoenix or Raleigh or Richardson
$65k/yr OnsiteFull Time
0+ YOEBachelor’s degree in CS/IT or related field; recent graduates; SDLC training; multiple US locations; no visa sponsorship.
Java, Python, C/C++
3w
Save
Mark Applied
Hide
Software Engineering Intern
Woodbridge, New Jersey, United States
$35-$40/hr OnsiteAll Commitments Available
Pursuing CS/Software Eng; proficient in at least one language; basic software dev principles; strong problem-solving; familiar with web tech and cloud; AI exposure a plus.
Python, Java, C#, JavaScript, React, Angular, SQL, PostgreSQL, MongoDB, Git, AWS, Azure, Generative AI
1w
Save
Mark Applied
Hide
Technology Intern - Summer 2026
Hoboken, New Jersey, United States
$250-$500/hr OnsiteInternship
0+ YOEInternship in analytics/web development; on-site in Hoboken, NJ; eligible to work in the US. Proficiency in Python/JS/TypeScript; databases (Firestore, MySQL); cloud platforms (GCP, AWS); web tech (HTML/CSS/XML, React/AngularJS).
Python, JavaScript, TypeScript, Firestore, MySQL, Google Cloud Platform, Google Marketing, Amazon Web Services, HTML, CSS, XML, React, AngularJS
1mo
Save
Mark Applied
Hide
Product Fellow
New York, New York, United States
$20/hr OnsiteAll Commitments Available
Strong communication, critical thinking, and teamwork; interest in adtech, data analytics, and product development; SQL/Python/Tableau a plus.
4d
Save
Mark Applied
Hide
2026 Summer Intern - Tech
New York or Austin or King of Prussia
$40/hr HybridInternship
Rising or recent graduates; hybrid in New York City, Austin, or King of Prussia; backend language proficiency; SDLC understanding; Git; strong analytical and communication skills; collaborative mindset.
Python, TypeScript, Git, LangChain, OpenAI APIs, AWS, GCP, Azure, Asana, Jira, Notion, Monday.com, Salesforce, HubSpot
1d
Save
Mark Applied
Hide
Intern - AI & Agentic Solutions - Summer 2026
New York, New York, United States
HybridPart Time
AI intern to embed with multiple teams, design and build agentic AI solutions, and deliver a real-world prototype.
LLM APIs, Python, LLM orchestration frameworks, CoPilot Studio, LangGraph, CrewAI, AutoGen
2d
Save
Mark Applied
Hide
2026 Fall Software Engineering Internship, US
San Francisco or New York City or Seattle or Sunnyvale
$52/hr OnsiteInternship
0+ YOEPursuing Bachelor’s or Master’s in CS/Engineering; graduating 2026–2027; strong programming skills; internship experience or equivalent preferred; interested in building scalable software.
Go, Python, Ruby, Java, C/C++
2w
Save
Mark Applied
Hide
Project Employee, Workflow Development
Secaucus, New Jersey, United States
$25/hr HybridFull Time
0+ YOEBachelor’s degree required; advanced Excel/Google Sheets; data analysis; programming knowledge (Google Apps Script, Python, VBA, JavaScript); ability to handle confidential data; strong communication and organization.
Microsoft Excel, Google Sheets, Google Apps Script, Python, VBA, JavaScript
2mo
Save
Mark Applied
Hide
Manipulation Co-Op / Internship (Summer 2026)
New York City, New York, United States
$40-$60/hr OnsiteInternship
Graduate student with ML/robotics focus; experience fine-tuning robot policies or vision models for manipulation; hands-on with real robots; ROS/ROS2 familiarity; portfolio of robotics/ML projects.
ROS/ROS2, Python, PyTorch, TensorRT, OpenCV, Git
1w
Save
Mark Applied
Hide
Electrochemical Engineering Intern
Brooklyn, New York, United States
$20-$25/hr OnsiteInternship
Student or recent graduate in Chemical Engineering or Chemistry; NYS resident; hands-on electrochemical techniques; organized notebook; climate tech interest; collaborative mindset.
Python, GC, ICP, SEM, TEM, XPS
1w
Save
Mark Applied
Hide
Quantitative Researcher (Full-Time - Master’s/Bachelor’s)
Amsterdam or Chicago or New York
OnsiteFull Time
Analytical thinker with math/physics/CS/ statistics background; strong problem-solving; team oriented; eager to learn applied machine learning and trading tools.
C++, Python, Machine Learning, Statistics
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Economic Policy Fellow
New York, New York, United States
$80k-$120k/yr HybridFull Time
Early career fellow or researcher; strong written and oral communication; ability to conduct and synthesize economic policy research; quantitative background.
Econometrics, Statistics, Stata, R, Python
3mo
Save
Mark Applied
Hide
Postdoctoral Fellow-MSH-13400-366
New York, New York, United States
$73k-$80k/yr OnsiteFull Time
Postdoctoral fellowship in psychiatry/clinical neuroscience; requires doctoral degree; eligible for postdoctoral training and research.
SPSS, R, Python, MATLAB, fMRI, ECG, galvanic skin response, EMG
1w
Save
Mark Applied
Hide
Economic Research Associate
New York, New York, United States
$68k/yr HybridFull Time
Masters or undergrad degree in economics; experience with statistics/ econometrics; programming and data visualization skills; proficient with MS Office; ability to work independently and in teams; strong writing and communication.
EViews, R, Python, SPSS, MATLAB, Excel, Tableau, PowerBI, Co-Pilot
1w
Save
Mark Applied
Hide
NERA Consultant - Antitrust/Labor Economist (Job Market/New PhD)
Los Angeles or New York or Chicago or Washington
$225k-$235k/yr HybridFull Time
PhD in Economics with training in Labor Economics or IO, econometrics; strong written/oral communication; capable of high-level economic research.
Stata, R, Python, Excel
1w
Save
Mark Applied
Hide
Postdoctoral Associate
Stony Brook, New York, United States
$61k/yr OnsiteFull Time
Doctoral degree in Geological or Planetary Sciences or related field by appointment.
Python, ENVI, ArcGIS, Petrographic Analysis
2w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
2026 Summer AI Internship Experience
New York or Pleasantville
$17/hr OnsiteInternship
Enrollment Fall 2026; Seidenberg Scholar in good standing; onsite June 7–21, 2026; no remote option.
Python, Machine Learning, Data Analysis
1mo
Save
Mark Applied
Hide
Student Intern
New York, New York, United States
$17-$20/hr OnsiteInternship, Full Time
Full-time student; summer availability; 2 years of undergrad in physics, engineering, or related fields; strong collaboration and communication; programming skills a plus.
Python, Matlab, MRI, PET
HiringCafe market data
Junior Python Developer Jobs market signals in New Hempstead, NY, 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
220+
Hiring companies
150+
Fresh sample
53% new in 30d
Salary visibility
84% show pay
Companies appearing in this market
Mount Sinai Health SystemFuturewei TechnologiesMarsh McLennanNBAPublicis GroupeSonyAcxiomBarnard College
Work location mix in visible results
Onsite: 33Hybrid: 12Remote: 4