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Senior Python Data Analysis Jobs in Norwalk, CT (NOW HIRING)

As a Senior Staff Data Scientist, you will go beyond individual problem solving - you will help ... Proficiency in Python, data analysis, visualization, and writing scalable, production-ready code ...

As a Senior Staff Data Scientist, you will go beyond individual problem solving - you will help ... Proficiency in Python, data analysis, visualization, and writing scalable, production-ready code ...

Senior Data Analyst

Stamford, CT · Remote

$88K - $111K/yr

Conduct exploratory data analysis to uncover hidden patterns, correlations, and insights within ... Proficiency in SQL and experience querying relational databases; familiarity with dbt and Python is ...

Senior Data Analyst

Stamford, CT · On-site +1

$91K - $115K/yr

Conduct exploratory data analysis to uncover hidden patterns, correlations, and insights within ... Proficiency in SQL and experience querying relational databases; familiarity with dbt and Python is ...

Senior Data Analyst Current is a leading consumer fintech platform transforming financial access ... Python for scripting and automation. Comfortable writing Python to manipulate data, flag anomalies ...

Senior Software Engineer - Python

New York, NY · On-site

$134K - $176K/yr

NYC, New York - Onsite Work Required We are looking for a Python/Data Software Engineer with a ... Develop and optimize complex SQL queries for data extraction, manipulation, and analysis.

Senior Software Engineer - Python

New York, NY · On-site

$134K - $176K/yr

NYC, New York - Onsite Work Required We are looking for a Python/Data Software Engineer with a ... Develop and optimize complex SQL queries for data extraction, manipulation, and analysis.

Senior Data Analyst Current is a leading consumer fintech platform transforming financial access ... Python for scripting and automation. Comfortable writing Python to manipulate data, flag anomalies ...

Senior Data Analyst

Irvington, NY · On-site

$89K - $112K/yr

Data Analyst Senior Location: 4 Irving Place, NYC (Hybrid - onsite required) Duration: 12-Month ... Python Pandas • Strong SQL • Azure Databricks • Big Data AnalyticsData Structures • ...

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Senior Python Data Analysis information

See Norwalk, CT salary details

$55.2K

$142.5K

$195.7K

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

As of Jun 9, 2026, the average yearly pay for senior python data analysis in Norwalk, CT is $142,512.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,000.00 and $164,100.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Python Data Analyst, and why are they important?

To thrive as a Senior Python Data Analyst, you need an in-depth understanding of data analysis, statistical modeling, and advanced Python programming, typically supported by a degree in a quantitative field. Proficiency with data analysis libraries (like pandas, NumPy, and SciPy), visualization tools (such as Matplotlib and Seaborn), and experience with SQL databases are essential, and certifications like Microsoft Certified: Data Analyst Associate can be beneficial. Strong problem-solving abilities, effective communication, and the capacity to distill complex data insights for stakeholders are critical soft skills. These competencies enable you to extract actionable insights from large datasets, drive data-informed decision-making, and collaborate effectively across teams.

What is the difference between Senior Python Data Analysis vs Data Scientist?

AspectSenior Python Data AnalysisData Scientist
Required SkillsPython, SQL, data visualization, statistical analysisPython, R, machine learning, statistical modeling
Work EnvironmentData analysis teams, business unitsResearch, product development, analytics teams
Industry UsageBusiness intelligence, finance, marketingTech, healthcare, finance, research
CertificationsPython certifications, data analysis coursesData science certifications, machine learning courses

While both roles involve Python and data handling, Senior Python Data Analysts focus on interpreting data and creating reports for business decisions, whereas Data Scientists develop predictive models and advanced algorithms to extract deeper insights. The roles often overlap, but Data Scientists typically require broader skills in machine learning and statistical modeling.

What are some common challenges Senior Python Data Analysts face when working with large datasets, and how can they overcome them?

Senior Python Data Analysts often encounter difficulties such as slow processing speeds, memory limitations, and data quality issues when handling large datasets. To overcome these challenges, it's essential to leverage efficient libraries like pandas and Dask, utilize optimized data formats (such as Parquet), and implement batch processing or cloud-based solutions. Collaborating closely with data engineers and IT teams also helps ensure robust data pipelines and infrastructure. Regular code optimization and staying updated on best practices can further enhance performance when working at scale.

What is a Senior Python Data Analyst?

A Senior Python Data Analyst is an experienced professional who uses Python programming to collect, process, and analyze large sets of data. They are responsible for extracting meaningful insights from data to support business decisions, often using libraries like pandas, NumPy, and matplotlib. In addition to technical skills, they also apply statistical analysis and data visualization techniques, and frequently mentor junior analysts or collaborate with data scientists and engineers. Their role may also involve developing automated data pipelines and ensuring data quality across projects.
What are popular job titles related to Senior Python Data Analysis jobs in Norwalk, CT? For Senior Python Data Analysis jobs in Norwalk, CT, the most frequently searched job titles are:
What job categories do people searching Senior Python Data Analysis jobs in Norwalk, CT look for? The top searched job categories for Senior Python Data Analysis jobs in Norwalk, CT are:
Senior Manager Data Analysis-Card Alternative Data

Senior Manager Data Analysis-Card Alternative Data

Capital One

New York, NY • On-site

$94K - $118K/yr

Full-time

Posted 17 days ago


Capital One rating

7.7

Company rating: 7.7 out of 10

Based on 134 frontline employees who took The Breakroom Quiz

72nd of 141 rated banks


Job description

Senior Manager Data Analysis-Card Alternative Data

At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit card offer using statistical modeling and the relational database, cutting edge technology in 1988! Fast-forward a few years, and this little innovation and our passion for data has skyrocketed us to a Fortune 200 company and a leader in the world of data-driven decision-making.

As a Senior Manager, you will partner cross-functionally with teams throughout the company to validate business impacting analytical tools. You will enhance your technical and analytical skills, while also working with leaders to influence business strategies. With a network of hundreds of Data Analysts, Quants, and Data Scientists, challenging projects with an eye on the bottom line and a focus on work/life balance, we've created a dynamic environment with plenty of room for you to learn, grow, and realize your full potential.

On a given day you will be:

  • Refining a new Enterprise-wide analytical tools validation framework

  • Planning and executing validation projects

  • Assessing the quality and risk of analytical tool methodologies across Capital One, and the nature of tools usage within those processes

  • Understanding technical issues in analytical tools and assessing tools risks and opportunities

  • Independently researching, identifying, and prototyping industry best practices for emerging analytical tools

  • Communicating results clearly and concisely both verbally and through written communications via validation reports and presentations

  • Leveraging education, colleagues and training opportunities to develop solutions to business problems

  • Coaching and mentoring junior staff

An ideal candidate will possess strong problem solving and conceptual thinking abilities in addition to communication, interpersonal and leadership skills. This position will be in a fast-paced and entrepreneurial environment where you will be handling multiple concurrent projects while working independently and in teams.

Basic Qualifications:

  • Currently has, or is in the process of obtaining a Bachelor's Degree in quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science or a related quantitative field) plus at least 7 years of experience performing data analytics, or currently has, or is in the process of obtaining a Master's Degree plus at least 5 years of experience performing data analytics with an expectation that required degree will be obtained on or before the scheduled start date.

  • At least 5 years of experience performing professional data analysis work

  • At least 5 years of experience leading and developing with open source data technologies

  • At least 2 years of experience managing people

Preferred Qualifications:

  • Master's Degree or PhD in a Finance, Economics, Statistics, Mathematics, Industrial Engineering, Operations Research, or a related field

  • At least 7 years of experience in statistical or econometrics hands-on work

  • At least 5 years of experience manipulating and performing analysis with large data sets

  • At least 5 years of experience in financial services industry

  • At least 5 years of experience in developing statistical or econometric models

  • At least 5 years of experience in validating statistical or econometric models

  • At least 2 years of experience with data governance

  • At least 2 years of experience with predictive analytics

Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

McLean, VA: $200,700 - $229,100 for Sr. Data Analysis Manager


New York, NY: $219,000 - $249,900 for Sr. Data Analysis Manager










Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter.

This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan.

Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at theCapital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.

This role is expected to accept applications for a minimum of 5 business days.No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City's Fair Chance Act; Philadelphia's Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).


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