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Senior Python Data Science Jobs in Simsbury, CT (NOW HIRING)

Deloitte

Data Scientist

Hartford, CT · On-site

... Data Science or Machine Learning role. • 5+ Years of Experience Proficiency in programming languages such as Python or R. • 5+ Years of Experience with Strong knowledge of machine learning ...

The Hartford

Sr Applied AI Data Scientist

Hartford, CT · On-site

$110.72K - $166.08K/yr

Proficiency in Python and SQL (ideally Snowflake); experience with pandas, numpy, scikit-learn ... D. preferred in Machine Learning, Applied Math, Data Science, Computer Science, or related fields.

The Hartford

Data Scientist

Hartford, CT · Hybrid

$90.16K - $135.24K/yr

... Use Python to build, maintain, and support loss models across different lines of business ... Actuarial Science, or a similar analytical field o Progress towards relevant professional ...

Deloitte

Data Scientist

Hartford, CT · On-site

... a Data Science or Machine Learning role. * 5+ Years of Experience Proficiency in programming languages such as Python or R. * 5+ Years of Experience with Strong knowledge of machine learning ...

NAVA Software Solutions

Senior Data Engineer

Bloomfield, CT · On-site

$105.90K - $143.90K/yr

Java or Scala and Python * 3+ years of working experience in Apache Spark, PySpark, Apache Airflow ... Nice to have data science and Machine learning certification from a reputed institution

Saransh Inc

Data Scientist

Hartford, CT · On-site

Role: Data Scientist Location/s: Hartford, CT (or) Stamford, CT (or) Morristown, NJ [Hybrid] (or ... Candidates must possess extensive experience with Python, large language models (LLMs), machine ...

The Hartford

Senior AI Machine Learning Engineer

Hartford, CT · Hybrid

$123.60K - $162.90K/yr

Within Customer Operations Data Science, we build modern AI products that optimize customer ... Strong object oriented development experience using Python, Java, C# * Familiarity with big data ...

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$55.8K

$144.1K

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

As of Jun 4, 2026, the average yearly pay for senior python data science in Simsbury, CT is $144,050.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,300.00 and $165,900.00 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 Simsbury, CT? For Senior Python Data Science jobs in Simsbury, CT, the most frequently searched job titles are:
What cities near Simsbury, CT are hiring for Senior Python Data Science jobs? Cities near Simsbury, CT with the most Senior Python Data Science job openings:
Senior Python Data Science jobs near you
Data Scientist

Data Scientist

The Hartford Financial Services Group, Inc.

Hartford, CT • On-site

$90.16K - $135.24K/yr

Full-time

Posted 8 days ago

The Hartford rating

8.8

Company rating: 8.8 out of 10

Based on 103 frontline employees who took The Breakroom Quiz

52nd of 260 rated insurance

Job description

Data Scientist - GD08AE
We're determined to make a difference and are proud to be an insurance company that goes well beyond coverages and policies. Working here means having every opportunity to achieve your goals - and to help others accomplish theirs, too. Join our team as we help shape the future.
The Hartford seeks a Data Scientist within a multidisciplinary actuarial/data science team responsible for designing and delivering powerful analytical insights utilizing statistical modeling, machine learning, and data engineering techniques to enhance and overhaul core actuarial processes. Our team is a cross-functional team of data scientists, data engineers, and actuaries working in a highly collaborative environment which involves heavy interaction with partner-customers across actuarial, product, and data science.
We seek candidates with a strong foundation in statistical modeling and/or machine learning who have a drive for finding novel and efficient solutions to maximize business value. As a data scientist, you will participate in the entire model lifecycle partnering with cross-functional business and technical partners to understand business strategies and design, develop, implement, and evolve loss modeling solutions. Our team culture prioritizes flexibility and innovation, so an aptitude and desire to research state-of-the-industry solutions is a must, along with an aptitude to learn new tools and languages as necessary. This role will involve communicating model results to varying business partners so strong communication and presentation skills are required.
This role can have a Hybrid or Remote work arrangement depending on experience and skillset. Candidates who live near one of our office locations will have the expectation of working in an office 3 days a week (Tuesday through Thursday). Candidates who do not live near an office and have appropriate experience may be eligible for a remote work arrangement, with the expectation of coming into an office as business needs arise.
Responsibilities:
  • Create statistical models, algorithms, and machine learning techniques to enhance traditional actuarial processes and assumptions
  • Think creatively to envision how we can enhance long-standing actuarial methodology using statistical modeling and machine learning techniques
  • Use R and/or Python to build, maintain, and support loss models across different lines of business
  • Participate in reviewing work with business partners and team members on an ongoing basis to calibrate deliverables against expectations and effectively translate results to business initiatives
  • Develop knowledge of The Hartford's formal and informal structures, business processes, and data sources
  • Participate in the creation and deployment of long-term tools to continually evolve the business
  • Contribute to the successful implementation of strategies to achieve targeted business objectives
  • Remain current on research techniques and become familiar with state-of-the-art tools applicable to your function

Qualifications:
  • 2+ years of relevant experience recommended
  • Preference for at least one of:
    • Master's in Statistics, Applied Mathematics, Data Science, Computer Science, Actuarial Science, or a similar analytical field
    • Progress towards relevant professional credentials (e.g. FCAS, FSA, CSPA)
  • Experience in statistical modeling, inference, and building machine learning algorithms in Python and/or R
  • Experience in SQL and navigating databases to extract relevant attributes
  • Experience in Unix, Git, Shiny and R Markdown is a plus
  • Experience in the end-to-end modeling lifecycle, from requirements gathering to monitoring and validation
  • Able to communicate effectively with both technical and non-technical audiences
  • High level of independence, but is also a team player that demonstrates a high level of ownership
  • Results driven with commitment to meeting deadlines

This role will have a Hybrid work schedule, with the expectation of working in an office (Columbus, OH, Chicago, IL, Hartford, CT or Charlotte, NC) 3 days a week (Tuesday through Thursday).
Candidates must be authorized to work in the US without company sponsorship. The company will not support the STEM OPT I-983 Training Plan endorsement for this position.
Compensation
The listed annualized base pay range is primarily based on analysis of similar positions in the external market. Actual base pay could vary and may be above or below the listed range based on factors including but not limited to performance, proficiency and demonstration of competencies required for the role. The base pay is just one component of The Hartford's total compensation package for employees. Other rewards may include short-term or annual bonuses, long-term incentives, and on-the-spot recognition. The annualized base pay range for this role is:
$90,160 - $135,240
Equal Opportunity Employer/Sex/Race/Color/Veterans/Disability/Sexual Orientation/Gender Identity or Expression/Religion/Age
About Us | Our Culture | What It's Like to Work Here | Perks & Benefits

What The Hartford employees say

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Benefits

Hours and flexibility

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About Hartford

Sourced by ZipRecruiter

Hartford Financial Services Group, widely recognized as The Hartford, is a renowned company based in Hartford, CT, US. Established in 1810, it has evolved into an industry leader in the insurance and financial services sector, proudly serving more than one million businesses in the US. The Hartford is committed to offering a gamut of insurance products that include homeowners, automobile, and business insurance as well as employee benefits and mutual funds. The company’s core values revolve around customer-focused innovations, diversity and inclusion, and ethical dealings that have earned them a customer-centric reputation. This shapes their mission which revolves around aiding their clients to overcome unforeseen obstacles and enhancing their wealth over time. Among the company's noted accomplishments is being consistently listed among the World's Most Ethical Companies, a testament to their unwavering commitment towards responsible business practices.

Industry

Finance and insurance

Company size

10,000+ Employees

Headquarters location

Hartford, CT, US

Year founded

1810

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