Job Closed

This listing is no longer active.

CI&T logo
CI&T

Navigate Change

Senior Data Scientist

Data ScientistData ScientistFull TimeRemoteSeniorTeam 5,001-10,000Since 1995H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

162 days ago

Salary

0

Seniority

Senior

Bachelor DegreeEnglishPortugueseAWSAzureBigQueryGCPPandasPythonscikit-learnSQL

Job Description

Senior Data Scientist

CI&T

• Understand complex business challenges and translate them into data science problems. • Explore, analyze, clean, and model structured and unstructured datasets from various sources. • Design and implement machine learning models, statistical tests, and optimization strategies. • Conduct experimentation using A/B testing, uplift modeling, and simulation frameworks. • Deliver proofs of concept and production-ready models within Agile, cross-functional teams. • Create and present data-driven storytelling insights for both technical and business stakeholders. • Contribute to model explainability, fairness, and responsible AI practices. • Stay current with academic and industry research and promote innovative solutions.

Job Requirements

  • Proficiency in Python (pandas, scikit-learn, statsmodels, etc.) and SQL.
  • Experience building and validating ML models: regression, classification, clustering, dimensionality reduction, forecasting.
  • Strong knowledge of data wrangling, feature engineering, and statistical hypothesis testing.
  • Experience with cloud platforms (AWS, Azure, or GCP) and scalable data/ML tools (e.g., Databricks, BigQuery, SageMaker).
  • Familiarity with Git and experimentation frameworks.
  • Experience deploying models and integrating them into digital products or services.
  • Business acumen and a consulting mindset to translate insights into impact.
  • Advanced communication skills in English (written and spoken); able to work in multicultural teams.

Benefits

  • Health and dental insurance
  • Meal and food allowance
  • Childcare assistance
  • Extended paternity leave
  • Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) TotalPass
  • Profit sharing and results participation (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to physical, mental, and overall well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language learning platform
  • And many more!

Related Categories

Related Job Pages

More Data Scientist Jobs

Premera Blue Cross logo

AI/Data Scientist IV

Premera Blue Cross

Improve customers' lives by making healthcare work better.

Data Scientist162 days ago
OtherRemoteTeam 1,001-5,000Since 1945H1B Sponsor

• Develop and tune generative/agentic AI solutions aimed to solve highly complex problems within the delivery of healthcare or health plan services. • Establish comprehensive tracking of experiments to manage the iterative process of building and testing models ensuring that AI solutions fulfill business requirements. • Provide statistical rigor to these evaluations via the design of controlled tests to measure the impact of changes to the solution. • Form and leverage strong collaborations with AI engineers to scale solutions for production grade performance. • Develop and implement complex agentic workflows that utilize AI agents for autonomous task execution, enhancing operational efficiency and decision-making capabilities. • Solve new business problems by reaching, designing, building, and validating complex or novel machine learning models. • Conduct feature engineering and model optimization. • Manage the complete lifecycle of machine learning models from conception to deployment while following SDLC and responsible AI practices. • Consult with senior and executive level business leaders to scope, model, and recommend AI/ML, technical, or analytic solutions to highly complex problems within healthcare. • Build and ensure consensus with stakeholders regarding the feasibility, tradeoffs, and delivery of recommended solutions. • Research, recommend, and apply causal techniques (RCT, DiD, PSM, causal graph models, counterfactual reasoning, etc.) to estimate treatment effects to quantify or validate business benefit of complex health plan activities. • Explain business impact to program owners and leadership using approaches that are meaningful to those audiences. • Partner with program owner in the promotion or publications of results when applicable. • Participate in code peer reviews and quality assurance testing. • Troubleshoot issues as they arise to solve problems independently and collaboratively. • Serve as the technical subject matter expert to establish best practices for the team and help coach the team via formal and informal initiatives. • Maintain regular contact with customers through development cycle to ensure each step of implementation tracks customer’s needs. • Lead analytics projects applying a working knowledge of Agile and SCRUM project methodologies.

Alaska + 26 moreAll locations: Alaska | Arizona | California | Colorado | Florida | Idaho | Iowa | Kansas | Kentucky | Maine | Montana | Nevada | New Hampshire | New Mexico | North Carolina | Oklahoma | Oregon | Michigan | Minnesota | Missouri | South Carolina | South Dakota | Tennessee | Texas | Utah | Washington | Wisconsin
$115.7K - $196.7K / year
Job Closed
Geisinger logo

Senior Data Scientist

Geisinger

Better health, easier.

Data Scientist162 days ago
OtherRemoteTeam 10,001+Since 1915H1B Sponsor

• Leads and manages the entire lifecycle of data science projects • Collaborates with cross-functional teams to define project scope, objectives, and success metrics • Ensures projects align with organizational goals and deliver measurable impact on healthcare outcomes • Leverages deep understanding of machine learning algorithms to build sophisticated predictive models • Utilizes clustering, dimension reduction, and deep generative models to uncover hidden patterns • Applies rigorous validation techniques to ensure model accuracy, reliability, and fairness • Oversees the deployment of models into production environments • Extracts insights from clinical and operational data sources to inform decision-making • Translates complex technical findings into compelling narratives for non-technical stakeholders • Facilitates data-driven decision-making by communicating the value and impact of AI models • Mentors and guide junior data scientists • Promotes collaboration, knowledge sharing, and continuous learning • Contributes to developing best practices and standards for data science

Pennsylvania
Zillow logo

Principal Data Scientist – Rentals Marketplace Ads Team

Zillow

Reimagining real estate to make it easier than ever to move from one home to the next.

Data Scientist162 days ago
OtherRemoteTeam 5,001-10,000Since 2006H1B Sponsor

• Analyze and interpret large, complex datasets to identify trends, patterns, and insights that support Zillow’s burgeoning rentals ecosystem. • Collaborate with product stakeholders to define key metrics, goals, and objectives, and develop data-driven strategies to achieve them. • Utilize causal inference techniques and novel experimental designs to evaluate the launches of pilot programs. • Mentor and coach junior team members on executing analytic requests and help unblocking through code reviews & best practice sharing. • Work closely with cross-functional teams, such as product, marketing, engineering, and corporate strategy, to ensure relevant insights are surfaced for decision making. • Collaborate with data engineering teams to design and optimize data pipelines and workflows to support efficient data collection, storage, and processing. • Effectively communicate complex analytical findings to diverse stakeholders, translating technical concepts into actionable insights and recommendations. • Dive into Zillow's internal and third party data (think Databricks, Snowflake, Big Data) to develop solutions that will help move the business forward and enable better decisions at a rapid speed.

California + 7 moreAll locations: California | Connecticut | District of Columbia | New Jersey | New York | Maryland | Massachusetts | Washington
$178.3K - $284.7K / year
Job Closed
Wealthsimple logo

Senior Data Scientist, Valuations

Wealthsimple

All of your investing, made simple.

Data Scientist162 days ago
OtherRemoteTeam 1,001-5,000Since 2014H1B No Sponsor

• Going from 0 to 1 - Build and productionize machine learning models. • Design and execute product experiments to help improve Wealthsimple’s client experience. • Work with cross-functional teams within Growth, Product, Marketing, and Engineering. • Translate experimental results into products and solutionsSpearhead data modelling strategyEnsure models are well tested, documented and maintained. • Believe that simple is better, Occam's razor is your friendTake ownership and ship it; release incrementally and iteratively. • Teach and learn from your teammates. We value making others successful.

California
Job Closed