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Data Analyst & Power BI Specialist | Transforming Data into Actionable Insights Hi there! I’m a passionate and detail-oriented Data Analyst and Power BI Developer with 2 years of hands-on experience in data analysis, visualization, and business intelligence. As a university student, I’ve dedicated the past two years to mastering data analysis tools and building a strong portfolio of projects that showcase my ability to turn raw data into meaningful insights. I specialize in creating interactive dashboards, data visualizations, and analytical reports that help businesses make data-driven decisions. Whether it’s cleaning messy datasets, building dynamic Power BI dashboards, or uncovering hidden trends, I’m here to help you unlock the full potential of your data. What I Offer: ✔ Data Analysis & Insights: From exploratory data analysis to uncovering key trends, I help you understand what your data is telling you. ✔ Power BI Dashboards: I create visually appealing, interactive dashboards that make complex data easy to understand and act upon. ✔ Data Cleaning & Transformation: I ensure your data is accurate, consistent, and ready for analysis. ✔ Excel Solutions: From pivot tables to custom formulas, I can handle all your Excel needs. ✔ Data Storytelling: I turn data into compelling stories that drive decision-making and business growth. Tools & Technologies I Use: ➤ Power BI (Power Query, DAX, Data Modeling) ➤ Excel (PivotTables, Charts, Formulas) ➤ SQL (Data Querying and Manipulation) ➤ Python (Pandas, NumPy for Data Analysis) Why Work With Me? Attention to Detail: I take pride in delivering accurate and insightful analyses. Client-Focused: I work closely with you to understand your goals and deliver solutions that align with your needs. Quick Learner: As a student, I’m constantly learning and adapting to new challenges, ensuring I bring fresh ideas to every project. Let’s Grow Together! By hiring me, you’re not just getting a freelancer—you’re investing in my education and growth as a data professional. Your support helps me continue learning and improving, allowing me to deliver even better results for you in the future. SPECIAL OFFER PRICE - As new profile on upwork i'm charging less, help me build my profile. Ready to turn your data into actionable insights? Let’s work together to drive your business forward!

I worked as a Talent Sourcer for an American Health startup focused in AI technology where my main responsibility is to source and recruit IT Profiles with the following skills and roles: Backend Engineer: Python, Kubernetes, Microservices, AWS, Open API, and Flask. Frontend Engineer: React, Apollo, nodejs, and Open API. Kubernetes, Microservices architect, and Open Tracing. Machine Learning: Python, numpy and scipy, Keras, and other tools. Neural networks and LSTMs. Lead Data Engineer: Python, AWS, Kubernetes, API design, and Postgres. Experience with MLOps, deep learning or model lifecycle, Open Tracing, and Open Telemetry. DevOps Engineer: Kubernetes, Python, AWS, Openshift, or OKD. Other responsibilities include: • Pree-screening resumes; • Contact candidate to check interest in the position and salary expectation; • Technical Interviews; • Tracking candidates performance within the process; • Schedule interviews with the position manager;

Hi there, my name is Weverson Barbieri, ● Bachelor’s degree in Business Administration and Automotive Systems Technology, with proficiency in English, multiple training and specialization courses in technology, and over six years of experience in large national and multinational companies. ● Skilled in IT project management, serving as a direct interface with stakeholders to gather requirements and develop new features/solutions, ensuring that all activities are executed according to the agreed scope and delivered with quality to the end user. ● Proficient in developing interactive front-end applications using Streamlit, enabling rapid prototyping and deployment of data-driven tools. Passionate about transforming raw data into actionable insights through automation and intuitive user interfaces. ● Strong experience in Python programming using pandas, streamlit, jupyter, pdfplumber, and Pyinstalled. Skilled in building efficient data pipelines and cleaning routines for complex datasets. Experienced in version control using Git and GitHub, ensuring collaborative development, code integrity, and streamlined project management. Passionate about transforming raw data into actionable insights through automation and intuitive user interfaces. ● Expert in diagnosing electrical and electronic failures in ECUs for engine, body, and transmission management in American vehicles. ● Deep understanding of automotive network communication protocols, such as CAN BUS, CAN BUS sniff and LIN. ● Proficiency in DTCs (Diagnostic Trouble Codes) and their respective circuits. ● Comprehensive understanding of electrical schematics, input/output signals, sensors, actuators, pinouts, and ECUs. ● Programming portfolio available on GitHub: weversonbarbieri and hydra-code-repository I invite you to look at my profile, and let’s do something great together.

I have a PhD in physics with a strong programming and data visualization background. I've worked with image processing techniques to characterize textures using morphology for two years. I've studied anomalous transport through numerical simulations using intense parallel programming with CUDA and time series analysis with Python, during the 4 years. Currently I'm working on HPC computing and optimizations. Technical skill: - Web scraping - 8 years of LaTeX experience - 6 years of experience with Python - - Image processing - - Data analysis - - Data visualization - 4 years of experience with C/C++ - 2 years of experience with High Performace Computing

Applied & Computational Mathematician specializing in data automation, statistical modeling, and Python development. For the past two years, I have worked as a freelancer delivering structured, efficient, and well-documented solutions for clients on platforms such as Upwork and Workana. My work focuses on transforming complex data and mathematical problems into clear, automated, and scalable systems. I develop: - Python automation scripts - Data cleaning and processing pipelines (10k+ rows) - Analytical dashboards - Machine learning models - Mathematical and statistical models - PDF generation and data extraction (including OCR and web scraping) My background in mathematics allows me to approach in a way that few others can. optimizing processes, improving efficiency, and ensuring logical consistency in every project. One of my key strengths is organization and transparency. Every project includes: - Structured documentation - Logged working hours in shared spreadsheets - Weekly progress reports with summaries and visuals - Secure file management via shared Google Drive folders I focus on delivering solutions that are not only functional, but clean, scalable, and professionally structured.

I help businesses collect accurate and structured data from websites using Python, saving time and reducing manual work. I specialize in: Web scraping and data extraction Cleaning and organizing data Delivering results in CSV, Excel, or Google Sheets Automating repetitive data tasks Building small custom Python tools and scripts I mainly work with Python libraries such as requests, BeautifulSoup, and pandas to build reliable and efficient automation and data processing solutions. I have a background in Software Engineering (Bachelor’s degree in progress) and practical experience completing real data-related projects. Besides scraping, I can also help with: Data formatting and validation Simple API integrations Debugging and improving Python automation scripts I focus on clear communication, meeting deadlines, and delivering exactly what the client needs. If you need clean, usable data or custom Python automation, feel free to message me. I’m ready to start.