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Software developer (c#/vb.net), Microsoft Office expert, Access/VBA programmer, web-content scraper. Oleksiy has more than 20 years of experience in user and network support, and more than 15 years in software development. He also has strong expertise in the following areas: ETL, SQL, Internet research, and project management. Holds a Master of Science degree in Applied Mathematics and a Master of Science in Economic Management.

HIGHLIGHTS OF SKILL & QUALIFICATIONS - Reallocating • Professional Coding Software/Test Development with over 15 years of experience • Over 10 years of experience creating, debugging and designing Automated C# or Python test cases and scripts for Selenium WebDriver, Ranorex, and API endpoints • 10 years of experience performing automation integration tests, functional, non-functional, regression, performance, UAT, and manual accessibility tests in both front-end and back-end applications • 6 years of experience in ERP software/applications • Experience working in Agile/Waterfall/Iterative incremental software development models • Experienced with implementing CI/CD Pipelines in Azure for automated test projects • Experience working on Client-Server architecture, Cloud-based products and working knowledge of Microsoft Office, SharePoint, Active Directory and Azure active directories • Demonstrated ability to work with different software testing and defect tracking tools like JIRA, TFS, Azure DevOps, JAZZ and Microsoft Test Manager • Knowledge of object-oriented programming using C# on .NET projects and Python. • Experience in Gitbub, SVN and TFS source code management • Evaluate and report test results and bugs according to acceptance criteria • Strong knowledge of different phases of the Software Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC). • Proven leadership and managerial experience skills and ability to bring energy and enthusiasm to motivate team members to achieve potential and meet the accomplished statement, including experience with cross-functional teams • Committed, organized, proactive, adaptable, innovative, and self-motivated with abilities to learn fast, lead people, develop partners, formulate solutions across the organization • Capability to learn fast, especially new technologies and anything related to information technologies, initiative and ability to keep adapting continuously to frequent changes in technology and environment • College GPA of 3.56

Certified Business Analyst | Power BI Specialist | ETL Expert | C#/VB.NET, Python Programmer $50.00/hr 🥇 10+ Years Experience in Data Analytics 🥇 10+ Years Experience in ETL Data Processing 🥇 10+ Years Experience Data Modeling 🥇 Power BI Certified Data Analyst 🥇 3+ Years Databricks 🥇 Certified AWS Cloud Practitioner 🥇 Certified Business Analyst (CBAP) I'm Igor Visser, If you looking for a person who understands data (Power BI and Tableau expert) I can help. Contact me today to discuss your project requirements and let's get started! With my skills and experience, I can help you utilize and transform your data into information for your business. I am committed to delivering high-quality work that meets or exceeds clients' expectations. What I'm offering ️➢ Experience with SQL, DAX, C++, C#, VB.NET️, Python ➢ Data Transformation, Data Cleansing, Data processing, Data Visualization ️➢ Power Query & M language ️➢ Interactive charts and graphs ️➢ Profession Insightful self-service dashboard/ Reports by using power bi ️➢ Live help through zoom for sharing methods resolves the issues. Why choose me? ️ ➢ Available online on chat 24x7 for any queries & Work ️ ➢ Customer Satisfaction my First Priority

I have worked with over 14 companies across the USA and Canada such as Pfizer, Sallie Mae, Bloomberg, Brookfield, and California Innovations so on. I lead a highly skilled team of advance data analytics professionals globally, many of whom I have personally trained. I bring expertise and strategic guidance to our team through the working projects. Furthermore, I've founded and taught at the "KSI Data Research Institute," conducting sessions on a global scale. Through these sessions, I've had the opportunity to instruct over 200 students from diverse countries in the field of advance data analytics. Moreover, I've established an Upwork freelancer agency. Our team collaborates closely during brainstorming sessions to manage and oversee all incoming projects efficiently. As a dedicated data analyst, my team and I are committed to unraveling the mysteries hidden within your data. With a comprehensive skill set covering Power BI, Python, machine learning, Excel, SSRS, and SQL, I specialize in converting intricate datasets into actionable insights that inform strategic decision-making. I've had the privilege of working with clients across various industries, helping them to achieve their business objectives. Whether it's developing interactive dashboards in Power BI to provide real-time insights or leveraging advanced machine learning techniques to uncover patterns and trends, I develop on turning complex datasets into meaningful narratives. My expertise, along with that of my expert team, goes far beyond technical proficiency.. I possess a sharp attention to detail, robust problem-solving abilities, and a dedication to delivering top-notch results promptly and within budget constraints. Recognizing the significance of transparent communication and collaboration, I endeavor to leave my clients not just content but equipped with the insights essential for their success. Here's what I bring to the table: SQL: My 15 years of experience with SQL/TSQL allow me to adeptly query databases, extract pertinent data, perform data transformations, and develop queries for SSRS reporting. This proficiency ensures seamless integration with analytics workflows. SSRS: Using my four years of industrial experience in Brookfield with SSRS (SQL Server Reporting Services), a powerful tool for generating and delivering reports from SQL Server data sources, and will upload in Excel for the end client. Data Visualization: I excel in designing visually captivating and interactive Power BI dashboards. Through storytelling techniques, I guarantee stakeholders swiftly comprehend vital insights. Leveraging KPIs, DAX functions, filtering, slicers, and managing roles for security, I ensure robust data modeling, whether through star schema or snowflake schema. Data Analytics: I leverage various techniques, from exploratory data analysis to predictive modeling, to extract valuable insights and facilitate data-driven decision-making. Diverse visuals such as charts, matrices, maps, cards, and many more in Power BI, Excel, SSRS, and Python for comprehensive analysis. Python: Proficient in leveraging Python for data manipulation, statistical analysis, machine learning, and automation, utilizing libraries such as NumPy, Seaborn, Matplotlib, Scikit-learn, and many more. I harness its versatility to address a diverse range of data challenges. Machine Learning: I have hands-on experience with various machine learning algorithms and frameworks, such as decision trees, random forests, support vector machines, neural networks, and more allowing me to develop predictive models and uncover hidden patterns within data. Using different model Excel: With advanced proficiency in Excel, encompassing formulas, pivot tables, macros, conditional formatting, VLOOKUP, data cleaning using various ribbon tools, dashboards, and more, I adeptly analyze and visualize data. This expertise enables me to simplify complex information, making it more accessible and actionable. I'm here to help. Let's collaborate to unlock the full potential of your data and drive success for your business! Contributions in the field of Advance Data Analytics 1) Over 100 Reports Developed in SQL Server 2) Successfully delivered more than 20 projects in Power BI 3) Cleaned and transformed datasets containing millions of rows 4) Designed and implemented over 100 SSRS reports 5) Improved query performance and database efficiency 6) ETL Process designed and executed 7) Trained hundreds of professionals in Power BI, and SQL Server 8) Collaboration cross-functional teams to integrate SQL with different tools. 9) Industry Experience Across 14 different Companies 10) Automation of Reporting Processes saving hundreds of hours Feel free to reach out to discuss how we can work together to achieve your goals.

As a Senior Data Architect with over 6 years of experience, I specialize in crafting scalable data engineering solutions and high-performance ETL/ELT pipelines across various open source tools and cloud platforms, including AWS, Azure and GCP. Key Areas of Expertise: 🔹 Data Science & Analytics Providing real-time business intelligence and visualizations. I focus on uncovering key metrics and insights that drive performance optimization. Furthermore, I implement predictive analytics and maintain machine learning pipelines with MLOps best practices to ensure reliability and mitigate data drift. 🛠️ Skilled in : Python (NumPy, Pandas, Matplotlib, and Scikit-learn), Tableau, Power BI, Google Data Studio, Looker, Apache Superset, Apache Spark, TensorFlow and PyTorch 🔹 Data Engineering & ETL Services: I specialize in developing robust ETL architectures and data pipelines that efficiently handle complex data extraction and transformation from various sources. 🛠️ Skilled in: Python, Apache Kafka, dbt, Apache Airflow, AWS/Azure/GCP Data Engineering services. 🔹Cloud Infrastructure Management Extensive experience in deploying and managing data infrastructure across AWS, Azure and GCP, ensuring seamless integration and optimal performance. Skilled in: AWS, Azure and GCP Services 🔑 Keywords: ETL, Data Pipelines, Data Warehousing, Data Integration, Python, SQL, Apache Airflow, Apache Spark, AWS, Azure, GCP, Snowflake, Machine Learning, Data Visualization, Tableau, Power BI, Docker, Kubernetes, CI/CD, MLOps.