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Python Developer Internship Jobs in Fairfield, CT, US
81 python developer internship jobs from 69 companies hiring in Fairfield, CT, US.
4d
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Geographic Information Systems, Technology & Engineer Fellow (Fall)
Jamaica, New York, United States
OnsiteInternship
Undergraduate student with GPA 2.5+; proficient in Microsoft Office; strong organizational, analytical, and communication skills; able to work under pressure and independently while collaborating in a team.
ArcGIS Pro, ArcGIS Online, Python, Microsoft Office
2mo
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Associate Principal/Forensic AI Engineer (Forensic Services practice)
Boston or Chicago or New York or Washington
$140k-$170k/yr HybridAll Commitments Available
8+ YOE8–10+ years in ML/AI, digital forensics, or related field; expertise in LLMs, synthetic media, and AI governance; strong communication for legal settings.
Python, PyTorch, TensorFlow, pandas, NumPy, scikit-learn, SQL, OpenCV, Docker, Kubernetes, AWS SageMaker, GCP Vertex AI, Azure Machine Learning, LangChain, LlamaIndex, Transformers, PEFT, DALL·E, Ffmpeg, Pinecone, Weaviate, ChromaDB, pgvector, Spark, Airflow, Snowflake, BigQuery, Redshift
1w
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AI Intern
New York, New York, United States
$16-$22/hr OnsiteInternship
10-week paid internship; hands-on AI tools experience; basic scripting; on-site; resume + reel required; no college degree required.
Python, JavaScript, JSON, APIs, AI tools
1mo
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Operations Development and Integration Engineering Intern
New York, New York, United States
$18-$25/hr OnsiteInternship
0+ YOECollege senior or master's student in Engineering or Computer Science; basic system operations knowledge; scripting (Python, Bash) a plus; interest in monitoring tools; cloud services exposure; strong problem-solving and communication.
Python, Bash, Nagios, Grafana, AWS, Azure, VMware, Docker, Kubernetes, Jenkins, Twilio, Git, SQL, REST APIs
1w
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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
2mo
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University 2026 Talent Acquisition AI Product Engineering Intern
Mountain View or McLean or New York City or Tampa
OnsiteFull Time, Internship
Pursuing a Bachelor's or Master's in CS/Engineering/AI; strong Python and API skills; experience with automation/AI apps; familiarity with LLM prompting or orchestration; strong systems thinking.
Python, APIs, LLMs, AI frameworks, Workflow automation tools, Webhooks
1d
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Summer Intern, Platform Engineering
New York, New York, United States
$18/hr OnsitePart Time, Internship
0+ YOEPursuing a CS/SE degree; hands-on programming in Python/Java/Go/TypeScript; strong CS fundamentals; Git; REST APIs; interest in cloud; AI tools; good communication.
Python, Java, Go, TypeScript, Node.js, AWS, Kubernetes, Docker, REST, gRPC, Claude Code, Cursor, Git, CI/CD, PostgreSQL, Cloud services
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
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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Software Engineering Summer Intern (Undergrad)
Denver or New York or Remote
$20-$22/hr HybridMultiple Commitments Available
Currently enrolled in a Bachelor's program in computer science/software engineering or related field; entering junior or senior year in Fall 2026; familiar with Python and React; SQL basics; AWS helpful; strong collaboration and communication.
Python, Flask, SQLAlchemy, React, Typescript, AWS
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
3mo
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Postdoctoral Fellow-MSH-13400-367
New York, New York, United States
$75k-$80k/yr OnsiteFull Time
US citizen or permanent resident; MD/DO or PhD in psychology/health fields; APA-accredited clinical internship; residency in psychiatry or related field preferred; opportunities for psychologist licensure during fellowship.
SPSS, R, Python, MATLAB, fMRI, ECG, galvanic skin response, EMG
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
1w
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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
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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.
2w
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Associate
Apex or Woodbury
$70k-$75k/yr HybridFull Time
0+ YOERecent data science or related degree; strong data analysis, scripting, and modeling; customer-facing; internship or corporate experience; knowledge of statistics and product development.
Python, R, SAS, MATLAB
1mo
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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
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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
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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
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Quantitative Researcher, Intern (Summer 2027)
Chicago or London or New York
HybridInternship
0+ YOEActive student pursuing BS, MS, or PhD in math, stats, machine learning, physics, CS; graduating between Fall 2027 and Spring 2028; Python proficiency; data-intensive research experience; competitive math background; prior quantitative trading experience a plus.
Python
3mo
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Rubric Engineering and Measurement Specialist
New York, New York, United States
$155k-$190k/yr HybridMultiple Commitments Available
8+ YOE5+ MgmtPhD/MD or equivalent in measurement science; 8+ years evaluation in clinical research; 5+ years in evaluation frameworks; 5+ years programming (Python/R, Matlab) and toolboxes; 5+ years in statistics; leadership of multi-rater systems.
Python, R, Matlab, Tidyverse, Scipy, Sklearn, Polars, Pytorch
1mo
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Quantitative Modeling Intern
New York, New York, United States
$25-$30/hr OnsiteInternship
Ongoing PhD or Masters studies in STEM; programming exposure; data science and financial engineering interest; Python, C++, and Excel development experience preferred.
C++, Python, Excel
1mo
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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
4d
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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
1mo
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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.
1w
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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
1mo
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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
4w
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Field Laboratory Manager
New Haven, Connecticut, United States
$65k-$68k/yr OnsiteMultiple Commitments Available
3+ YOEBachelor's degree in Ecology or related field with 3+ years field ecology experience; strong plant identification; data management; field and lab coordination; ability to travel; valid driver’s license.
Excel, Google Sheets, R, Python, GIS
4w
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Summer Intern - Enterprise Architecture
New York, New York, United States
OnsiteInternship
Pursuing CS/IT/Engineering degree; graduating by Spring 2027; some software design/development experience; prepared to work onsite; strong analytical and math skills.
Spring Boot, Thymeleaf, Python, FastAPI, Angular, React, Amazon Bedrock, Google Gemini, OpenAI, Generative AI, Prompt engineering
HiringCafe market data
Python Developer Internship Jobs market signals in Fairfield, CT, 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
81
Hiring companies
69
Fresh sample
41% new in 30d
Salary visibility
76% show pay
Companies appearing in this market
Aquatic Capital ManagementCharles River AssociatesChild Mind InstituteClever DevicesDorsiaDriveWealthExodusPointGesture
Work location mix in visible results
Onsite: 18Hybrid: 8Remote: 3