** Top-rated freelancer on Upwork. ** -- See proof below. (First portfolio item) ⭐️⭐️⭐️⭐️⭐️ "Oscar is working in a clean, efficient way. Understands instructions well and is able to further improve on them and provide an excellent end result. Great, pleasant communication. Reliable. Can definitely recommend!" ⭐️⭐️⭐️⭐️⭐️ "Excellent communication. Revised work as needed. Understood my goals completely. Highly recommend. Would work with Nicolas again." I help businesses save time and money by automating processes. Welcome, I am a developer with over half a decade of specialized expertise in Google Sheets and Google Apps Script. I excel in using these tools to deliver effective and modern business solutions. I automate processes, integrate APIs or third-party services, and manipulate data at scale, creating solutions that enhance efficiency and accuracy. Key Skills: ✅ Google Sheets & Excel: Expert in using these tools for data management, including complex formula creation and data analysis. ✅ Complex Formulas: Mastery in creating and applying complex formulas, using SQL syntax and custom code, to transform data into meaningful insights. ✅ Google Apps Script: Skilled in creating macros and automated workflows within Google Sheets, enhancing productivity and accuracy. ✅ API Integrations: Capable of integrating APIs to input or output data to and from spreadsheets, ensuring seamless data flow between different services. You can review my work and projects below on my portfolio. I have live demons! The repository showcases my skill set and continuous professional growth. Looking forward to the possibility of collaborating with you.