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Python Developer Jobs in Middlesex, NJ, US
3,400+ python developer jobs from 1,000+ companies hiring in Middlesex, NJ, US.
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Quantitative Technologist (Full-Time - DevOps & Systems Engineering)
Chicago or New York or Amsterdam
HybridFull Time
Proficient in Python; strong problem solving; experience with distributed systems and Linux; ability to thrive in a fast-paced trading environment; knowledge of algorithms and data structures; collaborative team player.
Python, Linux, Distributed Systems, HPC, Software Architecture, Data Structures, Algorithms
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
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
2w
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AI Engineering Lead
Fort Lee, New Jersey, United States
$250k/yr OnsiteFull Time
7+ YOE7+ years in applied ML/AI or realtime distributed systems; 3+ years leading production LLM/voice solutions; experience with realtime voice agents; RAG; Python/PyTorch; CS degree.
Python, PyTorch, TypeScript
1mo
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AI Consulting Associate Program (AI CAP) Engineering Intern - Summer 2026
New York, New York, United States
$35-$40/hr HybridInternship
Pursuing a degree in Computer Science, ML, Mathematics, or Engineering; graduation 2026 or 2027; strong Python and SQL; API/JSON familiarity; understanding of large language models; high curiosity and willingness to iterate.
Python, SQL, APIs, JSON, AWS
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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Student Research Worker
New York City, New York, United States
$23/hr OnsitePart Time
Bachelor's degree or equivalent; strong Python/R; ML libraries; NLP; data analysis; large datasets.
Python, R, scikit-learn, TensorFlow, PyTorch, spaCy, NLTK, Hugging Face
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
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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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
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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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
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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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
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
2d
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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
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
5d
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Research Intern, Generative AI & World Modeling
Basking Ridge, New Jersey, United States
OnsiteInternship
0+ YOEPhD in CS/ML/Statistics with publications; strong GenAI/PhyAI/ML background; Python/C++ proficiency; CV/CG knowledge a plus; open-source experience a plus.
Python, C++, PyTorch, TensorFlow
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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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
2w
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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
2mo
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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
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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
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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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
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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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
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
HiringCafe market data
Python Developer Jobs market signals in Middlesex, 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
3,400+
Hiring companies
1,000+
Fresh sample
43% new in 30d
Salary visibility
83% show pay
Companies appearing in this market
Mount Sinai Health SystemChan Zuckerberg BiohubMarsh McLennanMSCIThea EnergyColumbia UniversityEisnerAmperHospital for Special Surgery
Work location mix in visible results
Onsite: 39Hybrid: 23Remote: 3