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Python Developer Jobs in Plainfield, NJ, US
3,300+ python developer jobs from 1,000+ companies hiring in Plainfield, NJ, US.
2mo
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Software Engineering Intern
New York City or Miami
OnsiteInternship
Pursuing a bachelor’s in CS/SE, junior-level CS coursework, knowledge of software engineering, programming in JavaScript/Python/Java, familiarity with AI-assisted dev tools, strong problem-solving, collaborative.
JavaScript, Python, Java, AI-assisted development tools
1mo
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Application Tech Lead
Warren, New Jersey, United States
$140k-$180k/yr HybridFull Time
Lead technical design and delivery for enterprise P&C systems; strong .NET (C#) and Python; REST/SOAP, CI/CD, and Guidewire experience; able to lead technically while contributing as IC.
.NET (C#), Python, REST, SOAP, CI/CD, Guidewire, APIs, Microservices
1mo
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Summer Intern, QA Engineering
New York, New York, United States
$20/hr OnsiteInternship
Internship for current juniors/seniors; 9 weeks, full-time in NY; strong JS/TS/Java; familiarity with test automation frameworks; API testing; Git and Python knowledge; good communication and collaboration.
Playwright, Cypress, Selenium, Postman, REST Assured, Jira, Git, Python
2mo
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Technology Leader
New York, New York, United States
OnsiteFull Time
10+ YOE5+ Mgmt10+ years in software development; leadership experience preferred; Bachelor's in CS or Engineering or related field; cloud, architectures, and leadership skills.
Python, Java, JavaScript/TypeScript, Go, AWS, Azure, GCP, SQL, NoSQL, APIs, CI/CD, DevOps
2mo
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Technical Lead
New York City, New York, United States
$200k/yr HybridFull Time
8+ YOE8+ years building production web apps; strong backend/data engineering; data-intensive, user-facing products; Python/JavaScript; RESTful APIs; full-stack capability; cloud data warehouses; leadership potential.
Python, JavaScript, RESTful APIs, SQL, Cloud platforms
1mo
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Account Manager (Institutional Crypto)
New York, New York, United States
$75k-$110k/yr OnsiteFull Time
BA/BS or relevant account management experience; interest in cryptocurrency markets; experience with institutional investors; strong presentation, relationship-building, and communication skills; analytical/problem-solving abilities; SQL/Python a plus; CRM experience.
SQL, Python, CRM
2mo
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AI Solution Architect
Iselin, New Jersey, United States
$120k-$200k/yr OnsiteFull Time
6+ YOE6+ years software development; 4+ years AI/ML architecture; 3+ years Azure cloud experience; Bachelor's in CS/Engineering/Data Science; Master's preferred.
Azure, Azure OpenAI Service, Azure Machine Learning, Azure Cognitive Services, Azure Databricks, Python, C#, JavaScript, SQL, TensorFlow, PyTorch, Scikit-learn, Transformers, Azure Cosmos DB, Pinecone, Weaviate, Docker, Kubernetes, Azure DevOps, GitHub Actions
1d
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Senior Analyst, Business Systems
New York, New York, United States
$160k-$180k/yr HybridFull Time
10+ YOE10+ years software development; strong C#, .NET; front-end with Blazor/React/Angular; SQL Server; data warehousing; Azure; CI/CD; APIs; AI solutions.
C#, NET, ASP.NET Core, Blazor, React, Angular, JavaScript, TypeScript, HTML, CSS, T-SQL, SQL Server, Azure, Azure DevOps, CI/CD, REST APIs, Git, GitHub, TFS, SVN, Python, Node.js, DBT, Dagster
1mo
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Post-Doctoral Research Fellow
New York, New York, United States
$70k-$80k/yr OnsiteFull Time
PhD in Physics, Engineering, or related field; strong programming in MATLAB/Python; AI/ML and automation experience preferred.
MATLAB, Python, Eclipse API scripting (C#), Medical image analysis
1mo
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Machine Learning User Research Scientist (Ph.D. required)
New York, New York, United States
$130k-$135k/yr OnsiteFull Time
Ph.D. required; ML user research; data collection and analysis; Python/ MATLAB; travel up to 40%; strong communication.
Python, Java, MATLAB
1mo
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Applied Scientist, Oncology Foundation Model (Intern)
New York City, New York, United States
$60-$80/hr HybridTemporary, Internship
0+ YOEIntern role; strong ML background; pretraining/post-training of LLMs; publications; Python and PyTorch; distributed training experience.
Python, PyTorch, TensorFlow, JAX, Distributed training
2w
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Research Health Science Specialist
Bronx, New York, United States
OnsiteVolunteer
Bachelor's or graduate degree in health sciences; experience with genomic data analysis, R/Python; HPC exposure; U.S. citizenship required.
R, Python, HPC, RNA-seq, ATAC-seq, Genomics, QTL mapping
3w
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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
2w
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Credit Model Development Quantitative Analyst II - Small Business and Home Secured (Hybrid - see potential locations in job description)
Buffalo or Bridgeport or Wilmington or Baltimore or Washington or New York City
$72k-$119k/yr HybridFull Time
1+ YOEBachelor’s degree and at least 1 year of quantitative modeling experience; strong Python, SQL; model development and data management skills.
Python, SQL, SAS, R
2mo
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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
1d
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Research Specialist
Princeton, New Jersey, United States
$41k-$60k/yr HybridFull Time
3+ YOEExperience with large longitudinal surveys; data appendages; strong Stata/Python/R/SAS; independent and detail-oriented; office in Princeton 3 days/week.
Stata, Python, R, SAS, SPSS, Microsoft Office
2mo
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Data Scientist, Research
New York, New York, United States
RemoteFull Time
3+ YOEPhD in a quantitative field or MS with 3+ years of independent research; real data experience; ML/stat modeling; Python and ML tools; strong communication.
Python, Google Cloud Platform, Scikit-learn, TensorFlow, PyTorch, Spark, BigQuery, SQL
2mo
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CompChem Research Scientist (Free Energy Methods) - Sr. - Principal
New York City or San Francisco
HybridFull Time
Expert in binding free energy methods for small molecules; PhD or equivalent; strong Python coding; MD engines experience; collaboration across ML and chemistry.
Python, C, C++, Fortran, OpenMM, GROMACS, NAMD, OpenFE, MD engines, Git
2w
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Research Associate, Synthetic Biology
New York, New York, United States
$71k-$89k/yr OnsiteFull Time
2+ YOE1-2+ years hands-on research; molecular biology, cell culture; spatial multi-omics familiarity; Python/R proficiency; strong records and collaboration.
Python, R, imaging and sequencing analysis tools
1w
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Research Scientist, BCI-New York
Brooklyn, New York, United States
$150k-$220k/yr OnsiteFull Time
Bachelor’s, Master’s, or PhD in Neuroscience, Computer Science, Biomedical Engineering, or related field; strong Python and ML experience; ability to travel for participants; excellent communication.
Python, PyTorch, TensorFlow, scikit-learn, NumPy, Pandas, SciPy, matplotlib, seaborn
2mo
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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
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Research Staff Assistant
Irvington, New York, United States
$45k-$50k/yr OnsiteFull Time
0.5+ YOEBachelor’s degree in a scientific discipline; at least 6 months of research experience; experience with Python, C++, and Root; strong communication; able to work independently and in a team.
Python, C++, Root
1d
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NERA Researcher – AT/Healthcare (Immediate Hire)
San Francisco or Chicago or New York City
$90k-$102k/yr HybridFull Time
2+ YOE2-3 years in economics; BA/BS in economics/statistics/mathematics; strong Python/R/SAS/Stata; good writing and communication; minimal travel.
Python, R, SAS, Stata
1mo
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Post-Doctoral Research Fellow
New York, New York, United States
$70k-$80k/yr OnsiteFull Time
PhD in Physics, Engineering, or Computer Science; strong MATLAB and Python; AI/ML and automation experience; Eclipse scripting; medical image analysis; Monte Carlo knowledge.
MATLAB, Python, Eclipse (C#), Medical image analysis, Monte Carlo simulation
1mo
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Senior Applied Research Scientist
New York, New York, United States
$160k-$210k/yr HybridFull Time
2+ YOE2+ years AI experience with leadership; Python and AI frameworks; production experience with AI systems; strong cross-functional communication; advertising/marketing domain a plus.
Python, AI frameworks, Deep Learning, Reinforcement Learning, LLMs, Agents, Evals
1w
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Equity Strategist
New York, New York, United States
$145k-$173k/yr OnsiteFull Time
Strong macro/market knowledge; equity fundamentals; Python and Excel skills; ML/data science experience; Master’s in Economics/Finance or CFA; clear written/verbal communication.
Python, Microsoft Excel
1mo
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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
2mo
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Private Assets Researcher
New York or London
$116k-$151k/yr HybridFull Time
7+ YOE7+ years in research/investment strategy within asset management; advanced degree preferred; strong analytical and communication skills; proficient in R or Python; knowledge of private assets.
R, Python
1mo
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Customer Insights Analyst
New York, New York, United States
$60k-$72k/yr OnsiteFull Time
Design, develop, and deliver reports and analyses; statistical methods and data visualization; SQL and Python; experience with analytics tools.
SQL, Python, Pandas, Gensim, Medallia, Stata, MicroStrategy, Excel, PowerPoint, Jupyter Notebook, Aqua Data Studio, GitHub
3w
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Machine Learning Research Scientist, Generative Biology
New York, New York, United States
$120k-$250k/yr OnsiteFull Time
2+ YOEPhD with 2+ years or Bachelor's with 4+ years in Deep Learning or AI; strong publication record; experience building generative models; proficient in Python and at least one DL framework.
Python, PyTorch, TensorFlow, JAX
1w
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Scientist Instructor
New York, New York, United States
$95k-$105k/yr OnsiteFull Time
2+ YOEPhD in Biomechanics with 2+ years post-doctoral experience; expertise in musculoskeletal modeling, MATLAB and Python; experience with Finite Element Analysis and imaging-based modeling; Mimics experience preferred.
MATLAB, Python, Mimics, Finite Element Analysis
1w
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Senior Quantitative Researcher, Fixed Income Pricing
New York, New York, United States
$150k-$225k/yr HybridFull Time
5+ YOE5+ years in quantitative research in finance; strong skills in Python, R, SQL; knowledge of statistical methods, ML, and fixed income markets; experience with GenAI tools and production-grade modeling.
Python, R, SQL, Machine Learning, GenAI
1w
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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
4w
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Product Scientist (Computational Chemist)
New York City or San Francisco or Boston
$180k-$220k/yr HybridFull Time
5+ YOE5+ years on project teams; broad technical range across cheminformatics, modeling, ML, and DMPK; strong Python skills; ability to lead cross-functional discussions and communicate complex analyses.
Python, Claude Code
1w
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Post Doctoral Fellow-MSH-76880-012
New York, New York, United States
$73k-$80k/yr OnsiteFull Time
PhD in statistics, biostatistics, computer science, data science, bioinformatics, or related quantitative field; strong ML and causal inference; proficiency in R/Python; good communication; independent and collaborative work ability.
R, Python
1mo
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Principal Scientist Evidence Generation - Princeton, NJ (United States)
Princeton, New Jersey, United States
$180k-$260k/yr HybridFull Time
10+ YOEPhD in computational biology or related field with 10+ years in industrial R&D; expertise in multi-omics, data science, Python/R; experience with AI tooling and LLMs; proven leadership in evidence generation.
Python, R, LLMs, Generative AI, data pipelines, multi-omics
2w
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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
1d
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Research Specialist
Princeton, New Jersey, United States
$41k-$60k/yr HybridFull Time
3+ YOEExperience with large longitudinal surveys; data appendages by geographic characteristics; programming in Stata or Python/R/SAS/SPSS; strong organizational skills; ability to work independently; Princeton-based with 3 days in office.
Stata, Python, R, SAS, SPSS, Microsoft Office
3mo
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Rubric Engineering and Measurement Specialist
New York, New York, United States
$155k-$190k/yr HybridFull Time
8+ YOE5+ MgmtPhD/MD/ PsyD or equivalent; 8+ years evaluation in clinical research; 5+ years with patient evaluation/rating scales; 5+ years programming (Python/R, Matlab) and stats; leadership of multi‑rater systems.
Python, R, Matlab, Tidyverse, Scipy, Sklearn, Polars, Pytorch
1mo
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Scientist/Sr. Scientist (Paramus, US, 07652)
Paramus, New Jersey, United States
OnsiteFull Time
3+ YOE1+ MgmtPhD in Neuroscience or Biomedical Engineering; 3-10 years microdialysis experience; prior management/supervisory experience; CRO familiarity; programming skills (Matlab, EEGLAB, Python, R, SAS); ability to lead and train staff.
Matlab, EEGLAB, Python, R, SAS
HiringCafe market data
Python Developer Jobs market signals in Plainfield, NJ, 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
3,300+
Hiring companies
1,000+
Fresh sample
41% new in 30d
Salary visibility
83% show pay
Companies appearing in this market
Mount Sinai Health SystemChan Zuckerberg BiohubMarsh McLennanMSCIPrinceton UniversityColumbia Universitydsm-firmenichEisnerAmper
Work location mix in visible results
Onsite: 37Hybrid: 24Remote: 3