Tâmilyn Lima
@tmilynlima
Statistician and data professional specializing in BI, analytics, and automation.
What I'm looking for
I am a statistician and data professional with experience building BI solutions, dashboards, statistical models, and automated processes to support strategic decision-making. I combine technical depth in R, Python, SQL and Power BI with a user-centered approach to data accessibility and visualization.
My background includes roles at public agencies and private firms where I developed Power BI and Looker Studio dashboards, performed ETL and data auditing, and delivered analyses for performance monitoring, churn, billing and operational oversight. I have led cross-team negotiations, supported sensitive-data projects, and translated complex data into actionable business insights.
I am focused on automation, process optimization and trust-building, and I continue to deepen my skills through a Data Science bootcamp and targeted courses in AI, cloud (GCP/BigQuery), and advanced BI tooling.
Experience
Work history, roles, and key accomplishments
Statistician
Independent / Freelance
Sep 2024 - Present (1 year 1 month)
Develop dashboards, statistical analyses and models providing data consulting focused on clean visualizations, process automation and strategic decision-making support for remote clients.
Statistician
National Land Transportation Agency - ANTT
Dec 2023 - Sep 2024 (9 months)
Developed Power BI dashboards and reports to support strategic decision-making and optimized monitoring of highway contract performance and safety indicators, improving oversight efficiency.
Business Intelligence Analyst II
Coopersystem
Jun 2021 - Dec 2023 (2 years 6 months)
Supported credit-card partners with ETL, analytics and reporting, led process corrections and negotiations, and generated business insights to improve product performance and reduce churn.
Business Intelligence Analyst I
Coopersystem
Mar 2020 - May 2021 (1 year 2 months)
Converted Power BI PoCs into client contracts by delivering BI solutions focused on data consistency, accessibility and user experience to support management and client acquisition projects.
Statistician - Research Assistant
Coordenação de Estudos em Desenvolvimento Urbano
Apr 2020 - Apr 2021 (1 year)
Qualified datasets and produced analyses in Excel and R to support reports for the National Urban Development Policy project, improving data quality for policymaking.
Intern - Data Analyst
Ministry of Citizenship
May 2017 - Jun 2019 (2 years 1 month)
Audited and updated data dictionaries, processed and cross-referenced databases with the Unified Registry to improve data access and usability for federal social programs.
Education
Degrees, certifications, and relevant coursework
TripleTen
Bootcamp in Data Science, Data Science
2024 -
Bootcamp in Data Science focusing on hands-on projects in BI, machine learning, time series, neural networks, NLP, and version control tools.
University of Brasília
Bachelor of Science, Statistics
2012 - 2019
Activities and societies: Probability and Statistics teaching assistant; Extension project member; Scientific Initiation Projects; Supervised Internship; final course project on work accidents; research on measures of effect magnitude.
Bachelor of Science in Statistics with experience as a teaching assistant and involvement in research, internships, and supervised projects focused on statistical analysis and applied research.
Availability
Location
Authorized to work in
Job categories
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