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Senior Python Data Science Jobs in Greenwich, CT

Gartner

Director, Data Science

Stamford, CT · Remote

About the Role This is a senior leadership role on the Global Product Management Data Science team ... Proficiency with Python, ML frameworks (scikit-learn, NLTK, PyTorch, TensorFlow, Hugging Face ...

Empower Professionals

Senior Data Scientist

Manhattan, NY · On-site

$60 - $65/hr

Role: Senior Data Scientist Duration: 12 Months Location: New York City, NY (Hybrid 3 Days) Role ... Required Skills (Minimum 3): * Strong Python-based data science experience (Pandas, Scikit-learn)

Gartner, Inc.

Director, Data Science

Stamford, CT · On-site

About the Role This is a senior leadership role on the Global Product Management Data Science team ... Proficiency with Python, ML frameworks (scikit-learn, NLTK, PyTorch, TensorFlow, Hugging Face ...

Optimize Partners

Director, Data Science

New York, NY · Hybrid

Overall 10+ years of experience with data science, credit risk management experience is a definite plus * 2-4 years of credit risk modeling experience * 2+ years of experience with Python programming

Gartner

Sr. Data Scientist

Stamford, CT

Lead data science projects in close collaboration with Data Engineering, Application development ... Experience and proficiency with Python, machine learning tools (e.g., scikit-learn, spacy, nltk ...

Tranzact

Head of Data Science

Fort Lee, NJ · On-site

Excellent SQL, Python, and Databricks skills. * Intuitive business and analytical skills with the ... senior leadership audiences. * Deep experience with successful statistical modeling, machine ...

The Cypress Group

Senior Python Engineer

New York, NY

$170K - $210K/yr

... data, and infrastructure teams Lead technical initiatives and contribute to architectural decision ... Science or equivalent practical experience preferred Why Us? You'll have the chance to work on ...

Pwc

AIT - AI Data Scientist Manager

New York, NY

$99K - $297K/yr

... Python, data science libraries, model validation methods, and modern AI/ML approaches, including generative AI where relevant, to communicate actionable insights to business and technical ...

Td

Senior Manager, Data Science - FCRM Modeling

New York, NY · On-site

$123K - $201K/yr

The Senior Manager, Data Science leads a specialized team of data professionals varying in size and ... Proficiency in Python, SQL, or equivalent programming languages. * Experience in financial crimes ...

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Senior Python Data Science information

See Greenwich, CT salary details

$61.8K

$159.4K

$219K

How much do senior python data science jobs pay per year?

As of Jul 24, 2026, the average yearly pay for senior python data science in Greenwich, CT is $159,442.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,400.00 and $183,600.00 per year, depending on experience, location, and employer.

What is the difference between Senior Python Data Science vs Data Analyst?

AspectSenior Python Data ScienceData Analyst
Required SkillsPython, machine learning, statistical analysis, data modelingExcel, SQL, data visualization, basic statistics
Work EnvironmentData science teams, R&D, product developmentBusiness units, reporting, operational analysis
Industry UsageTech, finance, healthcare, e-commerceRetail, marketing, finance, healthcare

Senior Python Data Scientists focus on advanced analytics, machine learning, and building predictive models using Python, often working in R&D or product teams. Data Analysts primarily handle data reporting, visualization, and basic statistical analysis to support business decisions. While both roles require data handling skills, Senior Python Data Science roles demand deeper technical expertise and experience with complex algorithms.

What are popular job titles related to Senior Python Data Science jobs in Greenwich, CT? For Senior Python Data Science jobs in Greenwich, CT, the most frequently searched job titles are:
What cities near Greenwich, CT are hiring for Senior Python Data Science jobs? Cities near Greenwich, CT with the most Senior Python Data Science job openings:
Senior Python Data Science jobs near you
Infographic showing various Senior Python Data Science job openings in Greenwich, CT as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $159,442 per year, or $76.7 per hour.
Sr. Python Developer (Equities)

Sr. Python Developer (Equities)

Velocity Search Group

Manhattan, NY • On-site

$133K - $180K/yr

Full-time

Posted 20 days ago

Job description

Job Summary:
Velocity Search Group is representing a leading Asset Management firm seeking a Senior Python Developer to join their Equities Technology team. The role involves building and scaling applications for portfolio managers and research analysts, translating business problems into technology solutions, and collaborating with stakeholders throughout the software development lifecycle.
Responsibilities:
• Collaborate with engineering teams to architect and deliver solutions, translating business needs into technology solutions.
• Design, develop, and enhance applications that support trading, portfolio management, and analytics for equities investment teams.
• Work across the full software development lifecycle: requirements, design, implementation, testing, deployment, and ongoing support.
• Participate in agile ceremonies (stand-ups, sprint planning, retrospectives).
• Develop high-quality, efficient, maintainable code
• Implement unit, integration, and data tests; apply test-drive development where appropriate.
• Troubleshoot and resolve production issues; improve performance, reliability, and observability.
• Partner with engineers, product owners, and investment teams to translate requirements into solutions.
• Participate in code reviews and maintain technical documentation (APIs, designs, architecture).
• Use AI coding tools (e.g., GitHub Copilot, Claude Code) to enhance productivity, while maintaining strong independent coding and debugging skills.
• Support live platforms: triage issues and drive continuous improvement.
• Monitor and measure the success of implemented solutions, using data-driven insights to iterate and improve the platform.
• Prioritize backlogs and manage releases across the SDLC with modern DevOps practices.
Qualifications:
Required:
• Bachelor's degree in computer science, software engineering, or related field, or equivalent practical experience.
• 5-10 years of professional software development experience, in a full stack role in the financial industry.
• Proficiency with Python
• Strong data fluency: data modeling concepts, SQL, ETL pipelines, market data, and streaming pipelines.
• Familiarity with portfolio management workflows (e.g., idea generation, research management, PM workflows, portfolio construction, performance & attribution, risk, compliance) and how data flows across them.
• Experience with buy-side tools such as order management systems and familiarity with the full trade life-cycle.
• Experience with Cloud and containerized applications on Kubernetes/OpenShift.
• Familiarity with databases such as Snowflake and MS SQL Server, data integrity concepts, and ability to optimize performance.
• Knowledge of Git or similar source control systems.
• Experience with modern SDLC and DevOps and best practices (agile practices, CI/CD, testing strategies, observability).
Preferred:
• Experience in financial services, capital markets, or fintech.
• In-depth understanding of equities markets, financial instruments (stocks, ETFs, derivatives), and investment workflows.
• Familiar with front-office, middle-office and back-office systems on the buy-side.
• Exposure to generative AI/agentic frameworks and their practical application in research and investment workflows is a plus (prompt engineering, RAG, orchestration, evaluation).
Company:
Velocity Search Group is an executive search and placement firm that provides hiring solutions to clients and job seekers. Founded in 1991, the company is headquartered in New York, USA, with a team of 11-50 employees. The company is currently Early Stage.

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