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Python Ai Ml Jobs in Connecticut (NOW HIRING)

Pfizer

Senior ML/AI Cheminformatics Scientist

Groton, CT

$93K - $156K/yr

Maintain best practices in data integrity, reproducibility, and documentation of QSAR AI/ML models ... Proficiency in Python, with experience with cheminformatics libraries and topics (RDKit, OpenEye ...

FAVARH

AI Principal Engineer

Windsor, CT · On-site +1

Strong proficiency in programming languages such as Python, TypeScript, or Rust. * Experience with AI/ML frameworks, large language model (LLM) technologies, and modern data pipelines. * Deep ...

Cisco

Applied AI Scientist

Stamford, CT · On-site

Explore and evaluate new AI/ML techniques, tools, and methodologies, applying relevant innovations ... of experience in Python and deep learning frameworks (e.g., PyTorch, TensorFlow) * 1+ year ...

Infosys Limited

Java AWS Python Developer

Hartford, CT · On-site

Our team leverages advanced technologies such as AI, ML, and predictive analytics to drive ... Python + SQL - Can write working Python functions and SQL queries for calculations, transformations ...

Infosys

AI Engineer

Hartford, CT · On-site

... Python to create reusable customizations for non-ML, ML, and deep learning algorithms, while ... We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of ...

Deloitte

Agentic AI Engineer - Anthropic/Claude

Stamford, CT · On-site

$110K - $149K/yr

Qualifications Required: * 3+ years of experience designing, developing, and delivering AI/ML solutions * 2+ years of hands-on experience developing AI/ML applications in Python * At least 1 year of ...

Infosys

Java AWS Python Developer

Hartford, CT · On-site

Python + SQL - Can write working Python functions and SQL queries for calculations, transformations ... Our team leverages advanced technologies such as AI, ML, and predictive analytics to drive ...

Deloitte

Lead Architect with Anthropic Experience

Stamford, CT · On-site

$59 - $80.75/hr

... AI/ML applications in Python, Java or .NET * At least 1 year of direct experience designing or implementing production agentic workflows involving capabilities such as orchestration, tool integration ...

Deloitte

Lead Architect with Anthropic Experience

Hartford, CT · On-site

$55.75 - $76.50/hr

... AI/ML applications in Python, Java or .NET * At least 1 year of direct experience designing or implementing production agentic workflows involving capabilities such as orchestration, tool integration ...

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Python Ai Ml information

What is a Python AI ML engineer?

Python AI/ML engineers are professionals who use Python programming language to design, develop, and implement artificial intelligence (AI) and machine learning (ML) algorithms and models. Their work involves analyzing data, building predictive models, and deploying machine learning solutions to solve real-world problems. They are skilled in libraries such as TensorFlow, PyTorch, and Scikit-learn, and often collaborate with data scientists and software engineers. These engineers play a key role in transforming data into actionable insights and AI-powered applications.

How does a Python AI ML engineer typically collaborate with data engineers and domain experts during a project?

Python AI/ML professionals frequently work closely with data engineers to ensure data pipelines are robust, clean, and optimized for modeling. They also collaborate with domain experts to understand business needs, refine problem statements, and interpret results in the context of real-world applications. Effective communication and regular meetings are essential, as these collaborations help bridge technical and business perspectives, ensuring that machine learning solutions are both technically sound and aligned with organizational goals.

What are the key skills and qualifications needed to thrive as a Python AI ML engineer, and why are they important?

To thrive as a Python AI/ML Engineer, you need strong proficiency in Python programming, a solid background in mathematics and statistics, and a degree in computer science or a related field. Familiarity with machine learning frameworks (such as TensorFlow, PyTorch, or scikit-learn), version control systems, and cloud platforms is typically required, along with relevant certifications being advantageous. Analytical thinking, problem-solving, and effective communication are essential soft skills that help translate business needs into technical solutions. These skills ensure the development of accurate, scalable, and efficient AI/ML models that deliver value to organizations.

Is Python good for AI ML?

Python is widely used in AI and ML roles due to its simplicity, extensive libraries like TensorFlow and scikit-learn, and strong community support. It is considered one of the best programming languages for developing machine learning models and artificial intelligence applications.

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Infographic showing various Python Ai Ml job openings in Connecticut as of August 2026, with employment types broken down into 74% Full Time, 19% Part Time, 2% Temporary, and 5% Contract. Highlights an 63% Physical, 4% Hybrid, and 33% Remote job distribution.

Senior ML/AI Cheminformatics Scientist

Groton, CT

Pfizer
Pharmaceutical and Medicine Manufacturing • 10K+ employees
Learn more about Pfizerexternal

$93K - $156K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted yesterday

Pfizer rating

8.2

Company rating: 8.2 out of 10

Based on 127 frontline employees who took The Breakroom Quiz

Job description

ROLE SUMMARY

As a Senior Cheminformatics Data Scientist within the Computational Absorption, Distribution, Metabolism, and Excretion (cADME) group in Pfizer's Pharmacokinetics, Dynamics, and Metabolism (PDM) organization, you will apply data-driven approaches to address critical challenges in small-molecule drug discovery.

In this role, you will develop, deploy, and continuously improve machine learning models for molecular property prediction and leverage Pfizer's proprietary chemical and biological datasets to inform decision-making across hit-to-lead and lead optimization stages. Your work will directly enable more efficient compound prioritization, improved prediction of ADME properties, and accelerated progression of discovery programs.

Success in this position will be defined by the delivery of robust, validated computational models and workflows that generate actionable insights and measurable impact on project outcomes. You will collaborate closely with cross-functional PDM partners and external collaborators to integrate AI-driven approaches into discovery workflows and maximize the value of Pfizer's industry-leading data assets.

KEY RESPONSIBILITIES

  • Develop and apply cheminformatics data-mining algorithms for the analysis of molecular modeling, virtual screening, and structure-activity relationship (SAR) analysis. Process and analyze chemical and biological datasets to evaluate properties such as drug-likeness, ADMET properties, dosing, etc.

  • Utilize molecular fingerprints, descriptors, and similarity metrics for compound clustering, classification, and regression.

  • Assist in development, maintenance, and monitoring of AI/ML models used for property prediction. Optimize data pipelines for processing and storing chemical structures using cheminformatics toolkits (e.g., RDKit, OpenEye,)

  • Collaborate with cross-functional teams to integrate computational approaches into curation and analysis workflows

  • Maintain best practices in data integrity, reproducibility, and documentation of QSAR AI/ML models

MINIMUM QUALIFICATIONS

  • PhD in a relevant field OR

  • Relevant Master's degree with 2+ years of experience in Cheminformatics, Computational Chemistry, Bioinformatics, Data Science, or a related field.

  • Proficiency in Python, with experience with cheminformatics libraries and topics (RDKit, OpenEye, DeepChem, InChI, SMILES/SMARTS).

  • Experience working in a structured collaborative data and software development environment (git).Experience using SAR model-building software such as SciKit-Learn, Torch, etc.

  • Strong understanding of basic statistical concepts and how to evaluate and track model performance.

PREFERRED QUALIFICATIONS

  • Experience using DAGs to define data pipelines, e.g., Luigi, Airflow, Dagster, Prefect, Kubeflow.)
  • Experience working with relational (SQL) and NoSQL databases for chemical data management.
  • Experience working with MLOps tools such as MLFlow, Neptune, or SageMaker.

PHYSICAL/MENTAL REQUIREMENTS

Ability to perform mathematical calculations and ability to perform complex data analysis

NON-STANDARD WORK SCHEDULE, TRAVEL OR ENVIRONMENT REQUIREMENTS

Some travel required

Relocation support available

WORK LOCATION ASSIGNMENT: This is a hybrid role requiring you to live within commuting distance and work on-site an average of 2.5 days per week.

The annual base salary for this position ranges from $93,600.00 to $156,000.00. In addition, this position is eligible for participation in Pfizer's Global Performance Plan with a bonus target of 12.5% of the base salary and eligibility to participate in our share based long term incentive program. We offer comprehensive and generous benefits and programs to help our colleagues lead healthy lives and to support each of life's moments. Benefits offered include a 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage. Learn more at Pfizer Candidate Site - U.S. Benefits | (uscandidates.mypfizerbenefits.com). Pfizer compensation structures and benefit packages are aligned based on the location of hire. The United States salary range provided does not apply to Tampa, FL or any location outside of the United States.

Relocation assistance may be available based on business needs and/or eligibility.

Candidates must be authorized to be employed in the U.S. by any employer.

U.S. work visa sponsorship (such as TN, O-1, H-1B, etc.) is not available for this role now or in the future.

Sunshine Act

Pfizer reports payments and other transfers of value to health care providers as required by federal and state transparency laws and implementing regulations. These laws and regulations require Pfizer to provide government agencies with information such as a health care provider's name, address and the type of payments or other value received, generally for public disclosure. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act. Therefore, if you are a licensed physician who incurs recruiting expenses as a result of interviewing with Pfizer that we pay or reimburse, your name, address and the amount of payments made currently will be reported to the government. If you have questions regarding this matter, please do not hesitate to contact your Talent Acquisition representative.

EEO & Employment Eligibility

Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status. Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA. Pfizer is an E-Verify employer. This position requires permanent work authorization in the United States.

Pfizer endeavors to makewww.pfizer.com/careersaccessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process and/or interviewing, please emaildisabilityrecruitment@pfizer.com. This is to be used solely for accommodation requests with respect to the accessibility of our website, online application process and/or interviewing. Requests for any other reason will not be returned.

To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available onPfizer Careers.

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About Pfizer

Sourced by ZipRecruiter

All over the world, Pfizer colleagues work together to positively impact health for everyone, everywhere. Our colleagues have the opportunity to grow and develop a career that offers both individual and company success; be part of an ownership culture that values diversity and where all colleagues are energized and engaged; and the ability to impact the health and lives of millions of people. Pfizer, a global leader in the biopharmaceutical industry, is continuously seeking top talent who are inspired by our purpose to innovate to bring therapies to patients that significantly improve their lives. Our Health and Science System Specialists Team provides leadership across patient care settings in the complex Hospital, Health System, and Key Medical Group environment to bring value to our customers and patients in this dynamic ecosystem.

Industry

Pharmaceutical and medicine manufacturing

Company size

10,000+ Employees

Headquarters location

New York, NY, US

Year founded

1849

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