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100% Job Success Score and TOP RATED PLUS on Upwork!
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I’m a senior software developer with over 20 years of experience, from VBA automation and MS Access systems to full-scale web-based SAAS platforms. I specialize in creating practical, efficient solutions that connect legacy systems to modern interfaces — and I do it with clarity, precision, and clean code.
My journey started early — I began coding at age 12. Since then, I've worked with VB6, C/C++, Delphi, PHP, MySQL, JavaScript, jQuery, HTML, CSS, and more recently, Python and Machine Learning. I’ve developed entire school management systems, document automation platforms, and integrated workflows that power real businesses.
Need to modernize a messy Access system? Want to launch a SAAS? Need a VBA bot to handle 10,000 emails? I’ve done it — and can do it for you too.
Clients trust me for my ability to think through problems, communicate clearly, and deliver reliable results fast.
Let’s build something great.
Visual Basic for Applications
Microsoft Access
Microsoft Excel
Visual Basic
Database Design
MySQL
Microsoft SQL Server
Database Management
Database Programming
Microsoft Access Programming
Microsoft SQL Server Programming
Microsoft Power BI
CorelDRAW
Paula C.
Vitoria, Brazil
$40/hr
5.0
64 jobs
👩💻Excel expert in advanced and automated templates.
📊Specialist in Data Visualization and High-Level Dashboards
🔃 Process optimization through integrated templates
🛠️ Microsoft Excel, VBA, Power BI, M Language, DAX, Python, Power Automate, API Connections, SQL, Sharepoint, Forms, Slack, Notion, Etc.
═══ Who am I? ═══
Hi, I'm Paula!
I specialize in making data easy to understand and use. I create reports, dashboards, and automated processes that allow you and your team to work more effectively. For years, I’ve helped companies improve workflows with spreadsheets, saving time, increasing productivity, and keeping data consistent and accurate.
✔️ Excel Reports & Templates
- Interactive Dashboards with advanced filters and chart
- VBA automation
- Build, optimize, and debug formulas
- Print-Ready PDF Reports
- Multiple Templates Integration
- Custom and user-friendly interfaces
- External Data Connections (Databases, SQL Servers, Excel Files, etc.)
- Power Query & M Language
- Pivot Tables & Dynamic Charts
- Data Cleaning, Preparation & Analysis
✔️ Power BI Reports: Development & Maintenance
- Connection to Sharepoint Folders & Excel Files
- Retrieve data from various sources (APIs, SQL Servers, etc.)
- Clean and transform data (Power Query in Dataflows or Datasets)
- Model data relationships
- Calculate and test DAX measures
- Design and test charts and filters
- Build user-friendly interfaces
✔️ Database Connection
- Work with PostgreSQL, MySQL, Firebird, etc.
- Perform data modeling
- Handle ETL processes
- Create views & SQL reports
- Manage database structures: schemas, tables, views, functions, triggers
═══ What type of projects have I worked on? ═══
I've collaborated with teams of programmers, financial consultants, and project managers on various projects. Some examples include:
- Health Clinic Database Management & System Analysis
- Loan Tracker: Amortization Scheduler, Balloon & Extra payments
- Financial Statements: Cash Flow, P&L, Balance Sheet
- Dashboards Integrated with Web Systems & Databases (PostgreSQL, MySQL, Firebird, etc.)
- Stock Portfolio Updated in Real-Time
- Appointment Systems for Health Clinics
- HR Management: Billing, Absenteeism & Turnover
- Agile Project Management: Kanban, Gantt Charts, Scrum
- Automated Email Sender
- Automated Time Tracker
- Sales Management: Pipeline, CRM & Dashboards
- Investment & Retirement Planner
- Business Budget Planner
- Startup Capitalization Table
═══ What clients say about my work? (Project Reviews) ═══
✔️ Excel Calculator Development for Software Estimation
⭐⭐⭐⭐⭐
"Paula is amazing, insanely knowledgable about excel she can literally do anything. She is collaborative, patient and also provides guidance and ideas about how to make things better. I will continue to use paula for future projects!""
✔️ Ultimate Charts (heat Map and Sunburst charts)
⭐⭐⭐⭐⭐
"She's amazing. We kinda wanted to put a bad review so other people don't steal her from us. She is truly one of a kind. Responsible, understanding, creative, and full of energy."
✔️ Excel Pro Needed
⭐⭐⭐⭐⭐
"Paula is simply outstanding. What a pleasure it was working with her! She's smart, through, meticulous and a pleasure to work with. I would hire again in a second and I hope I have the opportunity to do that. I can't recommend her highly enough."
✔️ Design my excel file so it is print-ready
⭐⭐⭐⭐⭐
"Paula was well organized in her planning and delivery, and did a great job executing exactly what she proposed. I will def work with her again next time the opportunity arises!"
✔️ Excel / Data Visualization / Dashboard Creation project
⭐⭐⭐⭐⭐
"Paula is great to work with. Will definitely be getting her help on projects in the future!"
Visual Basic for Applications
Microsoft Excel
Microsoft Power BI Data Visualization
Power Query
Google Sheets
SQL
Microsoft Power BI
Excel Macros
Daniel S.
Sao Jose dos Campos, Brazil
$25/hr
5.0
19 jobs
High-impact automation and data solutions to scale your business efficiency.
As a Top Rated automation expert, I specialize in building custom technical solutions that bridge the gap between complex data and practical business applications. With a strong background in Python and VBA, I help clients eliminate manual tasks, extract valuable insights from unstructured sources, and build reliable tools that save hundreds of hours.
Whether you need to scrape thousands of data points, automate your document workflow, or build a complex mathematical engine, I deliver clean, documented, and scalable code.
--- 🛠️ WHAT I BRING TO YOUR PROJECT ---
* Custom Automation: Developing standalone Python scripts and Excel VBA macros to automate repetitive workflows and business logic.
* Data Extraction & Scraping: Transforming messy PDFs, Word documents, and websites into structured, ready-to-use datasets.
* Document Generation: Building "one-click" systems to generate custom contracts, proposals, and reports from Excel data.
* Advanced Data Processing: Leveraging Python (Pandas/NumPy) for complex calculations, data cleaning, and semantic matching.
--- 📊 HIGHLIGHTED EXPERTISE ---
* Languages: Python, VBA, SQL.
* Tools: Selenium, BeautifulSoup, Pandas, Openpyxl, Mail Merge.
* Engineering Focus: Experience with CAD-related data automation and complex mathematical logic.
--- 🤝 WHY CLIENTS CHOOSE TO WORK WITH ME ---
I don't just write scripts; I solve business problems. My approach is focused on:
* Integrity: Ensuring 100% accuracy in data processing.
* Usability: Delivering tools that are easy for non-technical users to operate.
* Support: Providing clear instructions and documentation for every deliverable.
Let's transform your manual processes into automated success. Click "Invite to Job" or "Hire Now" to start a conversation about your project!
Visual Basic for Applications
Microsoft Excel
Visual Basic
Scripts & Utilities
Excel Formula
Excel Macros
Autodesk AutoCAD
Python
Automation
Automated Workflow
JavaScript
Selenium
Beautiful Soup
pandas
PDF Conversion
Oleksandr P.
Itajai, Brazil
$18/hr
5.0
56 jobs
I have 10+ years experience working with MS Excel (VBA) and MS Word. Specialized in use of formulas and VBA macros for maximum automation of calculations and data entries / extraction / conversion / formatting / cleansing etc.
I use advantages of formulas and macros to achieve mixed usage of both to get the most effective, quick and user-friendly functionality of the project.
I'll make your project flexible and persistent for changes, so that it could be easily modified according to upcoming changes if needed.
Microsoft Excel
Visual Basic
Microsoft Word
Java
C#
Andre R.
Santo Andre, Brazil
$7/hr
5.0
4 jobs
Improving manual process to automatic processes, using Excel/VBA;
Analyze KPI’s and develop solutions to improve;
Problem solving and continuous improving.
Excel Macros
KPI Metric Development
Community Goals & KPIs
Autodesk Inventor
Translation
Process Improvement
Excel Formula
Portuguese Tutoring
Autodesk AutoCAD
Madson G.
Fortaleza, Brazil
$18/hr
4.4
25 jobs
Hello, I'm your freelancing Swiss Army knife of innovation! A fusion of two worlds, I'm a web developer and a mechanical engineer, wielding a potent combination of skills that set your projects on fire.
In the virtual realm, I'm your go-to guru for Vue.js and the Quasar framework, crafting digital wonders that are not just functional but astonishingly user-friendly. I bring your web ideas to life with a sleek and responsive touch that dazzles.
But that's just half the story. In the tangible world, my mechanical engineering expertise comes to life. With SolidWorks 3D modeling, I transform visions into precise, real-world designs. From intricate machinery to captivating consumer products, I thrive on turning concepts into palpable masterpieces.
I'm not just about code and CAD, though. I'm a maestro of Excel VBA macros, streamlining tasks and data like a pro. Whether it's data-driven dashboards, automated reports, or optimized spreadsheets, I make it all effortlessly efficient.
With me, your projects aren't just feasible; they're exhilarating and extraordinary. I'm your bridge between the digital and the physical, ready to turn your wildest ideas into reality. So, let's dive into the future together, where innovation knows no bounds!
Visual Basic for Applications
Macro Programming
Microsoft Excel
Quasar Framework
Vue.js
Responsive Design
JavaScript
HTML5
CSS 3
3D Modeling
Vuex
Onshape
SolidWorks
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