Greetings! I appreciate you taking the time to explore my profile. Let's start with some testimonials from my clients: "His combination of Swiss Army knife and ninja skills quietly solved our complex technical problems. His solutions have significantly benefited our core business. Plus, his positive attitude and flexibility make him a pleasure to work with." - Jay Corriveau, The Vines of Mendoza "Asdrubal is your Excel guru! He's fast, thorough, and super friendly. He produces solutions for me, often on very short notice, and offers ideas and suggestions as we work together towards the best outcome." - Natalie Stevens, Build In Oz --- Passion is at the heart of what I do. I'm a dedicated partner, a good friend, and a team player with strong interpersonal skills. I believe in your ability to achieve your goals. Often, we need someone trustworthy to support us - someone who gives their best not just for payment, but because they believe in what we believe. I believe you can go far and fast, and I would be thrilled to boost you in these endeavors. As a Customized Tools Developer specializing in Microsoft Excel and Google Sheets platforms, I can support you with all your spreadsheet needs, making your work easier. My problem-solving skills and expertise in data analysis and automation can help streamline your processes. --- Now that you know a bit about me, let's dive into my strengths & skills, projects, accomplishments, and education... What interests me? Your satisfaction. How do I achieve this? Through creativity, smart/hard work, accuracy, timing, and teamwork. My project management and time management skills ensure that I deliver quality results on schedule. --- As a Mechanical Engineer, I bring a wealth of experience in: * Customer Technical Service * Production & Processes in Injection PET preforms & containers Manufacturing * QA test design * R&D, Projects & New businesses I have strong skills in: * Microsoft Excel formulation and design (Expert Level), including VBA Macros, DAX Formulations, Pivot Tables, Power Pivot, Power Query (Code M), Power Bi. * Appsheet * Google Sheets * Google App Script * Google Drive * Google Docs * Multilingual communication (English-Spanish-Portuguese) * Maths Solver * Teamwork * Zapier --- I've worked on projects for companies and individuals in diverse industries such as Aerospace, Wine making, IT solutions, Financial, Fitness Training, QA, Sports, SEO, Manufacturing, Real Estate, Education, and many more. My leadership skills and experience in process improvement have been invaluable in these roles. I've had the pleasure of working with clients from all over the world including the USA, Canada, UK, Israel, Greece, Germany, Mexico, India, Australia, Spain, Austria, Ireland, Portugal, Argentina, Brazil, South Africa and more. I look forward to working with you. Thank you for your time!

I build Excel VBA tools and AutoCAD→Excel automations that cut manual takeoff, BOQ and cost-control work from days to minutes. 14 years as a Civil/Cost Control Engineer on $1B+ projects (Saudi Aramco, refineries, hospitals). What I deliver: • Excel VBA macros & dashboards (cost control, interim payment certificates, reporting) • AutoCAD→Excel quantity takeoff / BOQ automation • Sage 50 SDK integrations & custom order forms • C# / Visual Basic desktop tools Why me: I'm not a generic coder — I've lived the construction cost-control workflow for 14 years, so I automate what actually slows your team down. Clear scope, spec-first delivery, no surprises. Available hourly or fixed. Send me your current Excel/CAD process and I'll tell you exactly what can be automated.

✅ TOP-RATED PLUS Freelancer ✅ 15+ YEARS of Professional Experience ✅ 100% Client Satisfaction I have extensive experience creating Dynamic Excel and Google Spreadsheet Models with Easy-to-Read Organized Data, Formulas & Functions, Data Analysis, and Dashboard Visualization to translate the Data into Insights and make it Easy to Understand the Business. Over the years of working with different clients, I have always been the "GO-TO" Excel person because I saw OPPORTUNITIES where Excel could help them be more PRODUCTIVE. With my expertise in Complex Formulas, Data Validation, Conditional Formatting, Pivot Tables, Data Analytics, Dashboard Visualization, Excel VBA Macros, and Google Apps Script Automation; I can develop Efficient and Intuitive Spreadsheet Models for any problem-solving, reporting, or decision-making needs to Simplify and Automate existing business processes and drive Incremental Business Value. My passion is developing creative solutions to save people tons of time and increase their efficiency by automating manual processes. 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: I focus on providing VALUE to all my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW". ✅ Kindness: One of the biggest aspects of my life that I implement in every facet of my life. Treating everyone with respect, understanding all situations, and genuinely wanting to IMPROVE my Client's situations. ✅ Detail-Oriented: I am detail-oriented and will go above and beyond to COMPLETE all TASKS on hand. I have good concentration skills and the ability to solve problems effectively. ✅ Target-Oriented: I know the VALUE of TIME and always deliver the work on time. One of my strengths is my constant concern for following through and meeting deadlines. The 🏆Client Review🏆 below which you will find in the reviews section of my profile, and numerous others like it, describes the quality of work and value that you can expect from working with me: "Sadaan exceeded my expectations! He is a wonderful communicator and walked me through more complicated parts with patience. With his changes, he has saved my company 4 hours every week on payroll. I will be using him again and again.!” Let's talk and I would love to put my expertise to work for you!

I specialize in building efficient spreadsheet solutions using Microsoft Excel and Google Sheets. My focus is on automating repetitive tasks, organizing complex data, and creating clear dashboards that help businesses make better decisions. I develop automated workflows, spreadsheet templates, and reporting dashboards that simplify data management and improve productivity. Skills & Expertise • Excel & Google Sheets Automation • Advanced Excel Formulas (VLOOKUP, XLOOKUP, INDEX-MATCH, IF, QUERY) • Pivot Tables & Charts • Interactive Dashboards & Data Visualization • Data Cleaning and Data Processing • Spreadsheet Templates and Reporting Systems • Basic Automation using Visual Basic for Applications (VBA) Tools • Microsoft Excel • Google Sheets • Looker Studio Services I Offer • Spreadsheet automation and workflow improvement • Custom Excel and Google Sheets dashboards • Data cleaning and formatting • Dynamic spreadsheet templates • Data analysis and reporting I focus on delivering organized, user-friendly spreadsheet systems that help clients track data, automate tasks, and make data-driven decisions. If you’re looking for a reliable spreadsheet solution, feel free to reach out and discuss your project.

Financial Analytics, Revenue Intelligence, and Marketing Reporting Systems I help founders, finance teams, and marketing leaders turn fragmented business data into clear, decision-ready dashboards, forecasts, and financial models. My background combines financial analysis, revenue analytics, and marketing intelligence - building systems that connect operational, financial, and marketing data into one reliable source of truth. Whether you need cash flow visibility, budget vs. actuals reporting, profitability analysis, or multi-channel marketing attribution, I build reporting systems your team can actually use. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔷 FINANCIAL ANALYTICS & FP&A ✔ P&L dashboards (Revenue, COGS, Gross Margin, EBITDA) ✔ Cash Flow tracking and forecasting models ✔ Budget vs. Actual reporting ✔ Financial KPI dashboards (MRR, ARR, Burn Rate, Runway) ✔ Revenue forecasting models ✔ Unit economics (CAC, LTV, Payback Period, Contribution Margin) ✔ Profitability analysis by product, channel, or customer segment ✔ Investor-ready reporting dashboards ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔷 MARKETING ANALYTICS & DATA ✔ GA4 + GTM setup, audits, and tracking fixes ✔ Marketing attribution models (first-click, last-click, data-driven) ✔ Multi-source dashboards (GA4 + Google Ads + Meta Ads + Shopify) ✔ Funnel analysis and conversion tracking ✔ ROAS, CAC, LTV, and retention dashboards ✔ Ecommerce performance reporting ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔷 DATA ENGINEERING & BI ✔ BigQuery data pipelines and SQL models ✔ Automated reporting systems ✔ Data unification across finance, marketing, and CRM tools ✔ Executive KPI dashboards ✔ Google Sheets forecasting models ✔ Looker Studio and Metabase dashboards ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠 TOOLS & PLATFORMS BigQuery · SQL · Looker Studio · Metabase · GA4 · Google Tag Manager Google Sheets · Shopify · Stripe · QuickBooks · Xero Google Ads · Meta Ads · Airbyte · Google Cloud ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If you need clearer visibility into your revenue, profitability, cash flow, or marketing performance -let's build a reporting system that helps you make faster, better decisions.

✅ IQ: 145 ✅ Expert in: ➡️➡️ Construction systems ➡️➡️ Cost-control systems ➡️➡️ Multi-workbook integrations ➡️➡️ Executive dashboard systems ➡️➡️ Supply chain mgnt, Procurement and Inventory mgnt systems ➡️➡️ Financial modeling & forecasting ➡️➡️ Business processes automation (from data import to reports generation) ➡️➡️ Shopify product mgnt systems 🔹 What Clients Say: "Karl is a miracle worker. He consistently exceeds expectations and delivers ahead of schedule." "His ability to understand complex requirements and provide insightful solutions is unmatched." "Karl's work has transformed our processes, saving us time and enhancing productivity." "Responsive and efficient, Karl is my first choice for any spreadsheet-related task." "Karl's innovative approach and quick turnaround have been invaluable to our projects." "He listens carefully to our needs and delivers solutions that go beyond our expectations." "Karl's expertise in Excel has automated much of our workload, making our operations smoother." "Every project with Karl is a success. His attention to detail and creativity are outstanding." "Karl's proactive suggestions and quick adjustments make him a pleasure to work with." "His ability to simplify complex data into actionable insights is a game-changer for us." 🔹 Why Choose Me? I am committed to delivering high-quality work with a focus on efficiency and innovation. Whether you need a complex spreadsheet solution or expert advice on financial systems, I am here to help you achieve your goals. Let's collaborate to streamline your operations and unlock new opportunities for your business!

Struggling to track KPIs and manage operations efficiently? I help clients streamline workflows and improve reporting accuracy by up to 50% using clean, formula-based dashboards and templates - no macros or scripts needed. HOW I CAN HELP YOU Custom Excel & Google Sheets Templates — Tailored spreadsheets designed for your unique business needs, ensuring easy data entry and management without complex coding. KPI Dashboards & Business Reports — Clear, interactive dashboards to track sales, marketing, finance, and operational metrics for informed decision-making. Formula-Based Automation — Efficient spreadsheet automation using advanced formulas — no macros or scripts — keeping your files simple and maintainable. Data Cleaning & Formatting — Structured, error-free datasets prepared for accurate analysis and reporting. Looker Studio & Tableau Dashboards — Professional BI dashboards that visualize your data insights clearly for better business intelligence. LET'S BUILD YOUR DATA SOLUTION Need a custom Excel or Google Sheets dashboard or template? Message me on Upwork today for a clean, easy to maintain spreadsheet designed to simplify your workflows. I typically respond within 4 hours and am ready to help streamline your data management.

I help businesses 𝐭𝐮𝐫𝐧 𝐜𝐨𝐦𝐩𝐥𝐞𝐱, 𝐬𝐜𝐚𝐭𝐭𝐞𝐫𝐞𝐝 𝐝𝐚𝐭𝐚 𝐢𝐧𝐭𝐨 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐞𝐝 𝐝𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐄𝐓𝐋 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬, and real-time analytics systems that eliminate manual reporting and enable faster, smarter decision-making. I specialize in building 𝐞𝐧𝐝-𝐭𝐨-𝐞𝐧𝐝 𝐝𝐚𝐭𝐚 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐚𝐧𝐝 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐀𝐖𝐒, 𝐁𝐢𝐠𝐐𝐮𝐞𝐫𝐲, 𝐒𝐐𝐋, 𝐏𝐲𝐭𝐡𝐨𝐧, 𝐚𝐧𝐝 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈, helping companies move from fragmented data systems to fully automated data ecosystems. With 7+ years of experience in 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐚𝐧𝐝 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞, I design and implement scalable, cloud-based data solutions including data pipelines, data warehouses, reporting systems, and workflow automation architectures. I have successfully delivered 250+ projects for startups, SMEs, and enterprise clients across industries such as finance, SaaS, e-commerce, healthcare, logistics, and operations, consistently improving reporting speed, data accuracy, and business visibility. Whether you need automated dashboards, cloud data pipelines, data warehouse solutions, or reporting systems, I can help you build a reliable and scalable data infrastructure that supports better decision-making. 📌𝐒𝐄𝐑𝐕𝐈𝐂𝐄𝐒 𝐈 𝐎𝐅𝐅𝐄𝐑 📊 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 & 𝐁𝐈 𝐃𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬 ◼Executive & KPI dashboards (Finance, Sales, Operations) ◼Advanced DAX calculations & Power Query (M) ◼Row-Level Security (RLS) ◼Data modeling (Star & Snowflake schema) ◼Automated reporting systems ⚙️ 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐄𝐓𝐋 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬 ◼ETL/ELT pipelines using Python, SQL, PySpark ◼API & multi-source data integration ◼Data transformation workflows (dbt) ◼Data validation & quality frameworks ◼Performance optimization ☁️ 𝐂𝐥𝐨𝐮𝐝 𝐃𝐚𝐭𝐚 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 ◼AWS (S3, Glue, Redshift, Lambda) ◼Google BigQuery ◼Snowflake & Databricks ◼Azure Data Factory ◼Data warehouse design & migration 📈 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐦𝐩𝐚𝐜𝐭 ◼50–70% reduction in manual reporting effort ◼Real-time dashboards for leadership decisions ◼Scalable and secure data architecture ◼Single source of truth across all systems ◼Faster, data-driven decision making 🛠 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 Power BI | SQL | Python | PySpark | AWS | BigQuery | Snowflake | Azure Data Factory | Databricks | dbt | ETL Pipelines | Data Warehousing | API Integration | Data Modeling | DAX | Power Query 🤝 𝐖𝐡𝐨 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐈 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡: ✔Startups scaling their data systems ✔SMEs needing automated reporting ✔Enterprises modernizing legacy data pipelines ✔Teams struggling with messy spreadsheets or disconnected data 💡 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞 I focus on building production-grade data systems that are scalable, automated, secure, and easy to maintain. My goal is not just to create dashboards, but to help businesses make faster, smarter, and data-driven decisions with confidence. 𝐈𝐟 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐚 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 𝐨𝐫 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐡𝐨 𝐜𝐚𝐧 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐞 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬, 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐞 𝐫𝐞𝐩𝐨𝐫𝐭𝐢𝐧𝐠, 𝐚𝐧𝐝 𝐛𝐮𝐢𝐥𝐝 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐝𝐚𝐭𝐚 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬, 𝐬𝐞𝐧𝐝 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐰𝐢𝐭𝐡 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐝𝐞𝐭𝐚𝐢𝐥𝐬.

🚀 I turn messy data, broken workflows, and fragmented APIs into scalable backend systems and automated applications. ⚙️ Core Capabilities Data Engineering & Automation: Extracting, transforming, and loading (ETL) data across fragmented systems. I specialize in building custom API integrations, configuring Webhooks, and automating manual workflows so your team can focus on high-value tasks. Database Architecture: Designing highly scalable, secure relational databases. I have deep experience managing real-time data processing, complex state management, and ensuring rock-solid data integrity under pressure. Business Intelligence & Internal Tools: Transforming raw data into actionable insights. I build bespoke internal dashboards, dynamic forecasting models, and custom admin panels that give you full visibility into your business metrics. Full-Stack Product Development: Building responsive, user-centric web applications from the database layer all the way up to the front-end UI. 💻 Technical Stack Databases & Backend: PostgreSQL, Supabase (Auth, Postgres, Edge Functions), Relational Database Design, Real-Time Data Streaming. Data & Integrations: RESTful APIs, Webhooks, ETL Pipelines, Systems Architecture. Frontend & UI: Next.js, React, Retool. AI & Accelerated Development: Cursor, Claude, AI-assisted workflow optimization. 🚀 Why Hire Me? Founder Mentality: I think about user experience, edge cases, and business ROI before I write a single line of code. I architect the most efficient, cost-effective technical path to solve your problem. AI-Accelerated Speed: I actively leverage advanced AI tools (like Cursor) to handle boilerplate and test edge cases, allowing me to ship production-ready logic significantly faster than traditional developers. Zero Hand-Holding: I am used to owning the entire product lifecycle. I speak plain English to non-technical stakeholders, write incredibly clean code on the backend, and require zero micromanagement. Let’s jump on a quick call to unpack your data bottleneck, map out the most efficient technical architecture, and start building. I respond within 24 hours.

Your data has a story — let's make sure it's telling the right one. 🌍 𝗚𝗹𝗼𝗯𝗮𝗹 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 | 𝗨𝗦, 𝗨𝗞 & 𝗔𝘂𝘀𝘁𝗿𝗮𝗹𝗶𝗮 🏢 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘀𝘁 | 𝟱+ 𝗬𝗲𝗮𝗿𝘀 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ⭐ 𝟰𝟱𝟬+ 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 | 𝗖𝗼𝗻𝘀𝗶𝘀𝘁𝗲𝗻𝘁 𝟱-𝗦𝘁𝗮𝗿 𝗙𝗲𝗲𝗱𝗯𝗮𝗰𝗸 💰 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁 𝗘𝘅𝗲𝗰𝘂𝘁𝗶𝗼𝗻 𝗧𝗵𝗮𝘁 𝗗𝗿𝗶𝘃𝗲𝘀 𝗦𝗽𝗲𝗲𝗱 & 𝗖𝗼𝘀𝘁 𝗦𝗮𝘃𝗶𝗻𝗴𝘀 ⚙️ 𝗗𝗿𝗶𝘃𝗲 𝗙𝗮𝘀𝘁𝗲𝗿 𝗗𝗲𝗰𝗶𝘀𝗶𝗼𝗻𝘀 & 𝗥𝗲𝗱𝘂𝗰𝗲 𝗪𝗼𝗿𝗸𝗹𝗼𝗮𝗱 𝘄𝗶𝘁𝗵 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝗜𝗻𝘀𝗶𝗴𝗵𝘁𝘀 ⭐⭐⭐⭐⭐ | Client Testimonial "I am pleased with his completed projects' quality, timeliness, and functionality. He has now completed several excellent projects for me. I highly recommend working with him. You will be pleased with your final project. He is a pleasure to work with on any project." 🔯 𝗠𝘆 𝗧𝗮𝗹𝗲𝗻𝘁𝘀 ✔ Interactive Dashboard Design & Development — KPI, Marketing, Business & Forecasting Dashboards ✔ Data Analysis, Data Analytics & Business Intelligence ✔ Data Visualization — Turning raw data into clear, actionable visual insights ✔ Automated Reporting & Report Development Solutions ✔ Advanced Formula Setup — VLOOKUP, INDEX/MATCH, DAX, Dynamic Arrays ✔ Financial Data Management, Analysis & Forecasting ✔ Data Cleaning, Formatting & Structuring ✔ KPI Tracking & Business Performance Reporting ✔ SQL Queries — Data Extraction, Filtering & Aggregation ✔ Google Analytics & GA Data Analysis ✔ Customized Template Creation for Business & Reporting Use 💻 𝗠𝘆 𝗧𝗼𝗼𝗹𝘀 ✔ Microsoft Excel & Google Sheets — Spreadsheets, Charts, Pivot Tables ✔ Microsoft Power BI — BI Dashboards, DAX, Data Modeling ✔ Looker Studio (Google Data Studio / GDS) — Reports & Marketing Dashboards ✔ Google BigQuery — Large-Scale Data Querying ✔ Supermetrics — Marketing Data Integration & Automation ✔ SQL — Data Extraction, Transformation & Analysis ✔ Google Analytics (GA4) — Web & Campaign Performance Analysis ✔ Google Apps Script — Automation & Workflow Solutions Data in. Decisions out. Let's get to work — message me today. - Limon