Hire the Best Chemical Engineers
in Colombia

Bilingual Full Stack Developer from Holberton School, Chemical and Food Engineer from Universidad de Los Andes. In the last two years, the role of Software Developer in Mercadolibre was played. Before, I had a role as Technical Consultant in Thales Group and Course Assistant and Tutor for the subject Introduction to Programming, as well. My technical abilities are in backend and frontend, and I have some experience designing and developing interfaces using languages or frameworks such as Javascript, HTML, CSS, Ajax, etc. As well, as solving problems by using programming languages or tools such as Go, Python, SQL, MongoDB, Flask, and C. In addition, there is strength in agile learning, teamwork, and communication. Regarding interests, these are to keep growing in either development field, facing challenges, and get deeper into new frameworks or programming languages. During childhood, moving around the world was often; the reason for which relating with cultures is delighting, and standing in other positions comes naturally.

Strategic and results-driven professional with 5+ years of experience in international procurement, business operations, and data-driven decision-making. Adept at managing vendor relationships, optimizing procurement strategies, and ensuring compliance with international regulations. Skilled in project management, process improvement, and crossfunctional collaboration, leveraging advanced analytical tools like Power BI, Excel and SQL to drive impactful results.

I am a data analyst with solid experience in the manufacturing, retail, and customer service sectors, helping businesses turn raw and scattered data into clear, actionable insights. I specialize in extracting, cleaning, and transforming data from multiple sources, including API integrations, and applying statistical and predictive models using Python, R, and SQL. I also design interactive dashboards and custom reports using Power BI, Tableau, and advanced Excel, making data easier to understand and use for decision-making. With a background in Chemical Engineering and a specialization in Data Analytics, I bring both analytical rigor and practical business insight to every project. My value lies in helping clients transform messy, disconnected data into smart, efficient solutions that save time, reduce costs, and support confident, data-driven decisions. I am committed to delivering high-quality results on time, with clear communication and a strong focus on client needs.

WELCOME! With a background as a Chemical Engineer and several years of hands-on experience working with data, I specialize in transforming disorganized information into well-structured, valuable insights. I bring over 2 years of experience as a personal assistant, data entry and data cleaning, reporting, and dashboard creation, all while supporting physical businesses with assistant services in both English and Spanish. I’m always open to new challenges and committed to delivering accurate, on-time work that adds real value to your operations. ✅ Data Entry (Excel, Google Sheets, CRMs) ✅Personal Assistant – Formulas, Pivot Tables, Dashboards ✅ Data Cleaning & Report Generation ✅ Transcription (Spanish & English) ✅ Web Research & Contact List Building ✅ Personal Assistant Services (bilingual) ✅ File Formatting (PDF to Excel/Word, CSV, etc.) ✅ Personal Assistant (Email & Calendar Management) ✅ Report Automation ✅ CRM Data Input & Maintenance ✅ Data Organization and Analysis ✅ Spanish ↔ English Translation for Business Documents I'm currently focused on building long-term partnerships through Upwork, offering high-quality data support with a proactive attitude and attention to detail. If you're looking for someone reliable, analytical, and easy to work with, I’d love to be part of your team. Let’s work together to make your data work for you.

I engineer messy spreadsheets into professional, intuitive tools. I am a Data Analyst and Excel Expert dedicated to building custom, automated, and user-friendly templates that simplify your professional life. Whether you need a stunning dashboard, a custom inventory management tool, or a complex financial model, I turn your vision into a high-performing reality. With a professional background in Chemical Engineering, I’m uniquely trained to handle massive volumes of data and execute intricate calculations with absolute precision. I engineer robust spreadsheets that ensure accuracy, protect your information, and drive informed decision-making. CORE EXPERTISE: """""""""""""""""""""""""" ✅ Professional Interface Design: I transform messy spreadsheets into intuitive, high-performing tools. This includes designing custom navigation menus, interactive slicers, and streamlined data-entry forms that guide the user effortlessly. By implementing advanced Data Validation and Conditional Formatting, I build error-proof systems that surface relevant insights while hiding unnecessary complexity. ✅ Interactive Reporting & Visualization: Custom dashboards designed with Pivot Tables, Pivot Charts, advanced filters, and toggle methods, allowing you to view relevant insights and generate print-ready, personalized reports. ✅ Platform Migration & Compatibility: Expert at converting complex tools between Excel and Google Sheets while maintaining full functionality. I ensure that formulas, advanced charts, and data structures are seamlessly adapted to each platform's unique environment, preserving both logic and visual integrity. ✅ Advanced Data Engineering: Expert use of Power Query to connect, consolidate, and transform data from multiple sources (PDF, CSV, SQL, etc.) into a single, reliable source of truth. ✅ Advanced Modeling & Logic: Mastery of complex formulas (XLOOKUP, FILTER, LAMBDA) and custom VBA/Macros for sophisticated financial and process modeling. ✅ Security & Integrity: Implementing high-level information protection to prevent accidental formula breakage and secure intellectual property, combined with systematic auditing for high-performance models. WHY PARTNER WITH ME? """""""""""""""""""""""""""""""""""" ☑️ Engineered Precision: My engineering foundation means I excel at solving high-stakes, logical problems where accuracy is non-negotiable. ☑️ Scalable & Secure: I build tools that grow with your business, ensuring your Excel or Google Sheets environment remains fast, reliable, and protected. ☑️ Clear, Friendly & Multilingual Communication: I pride myself on meeting strict deadlines and providing transparent, professional updates. I am a native Spanish speaker, fluent in English and French, allowing me to support diverse global teams. Contact me today to discuss your project!

Hello! I'm Oscar, a passionate Technical Writer. I work in multiple industries creating white papers, technical articles, newsletters, informative blogs, engineering guides, API documentation, and knowledge bases. I can help you reach larger audiences, keep internal documentation updated, and grow your presence online. If you think I could be a good fit for your team, let us collaborate.