Hire the Best Database Freelancers
in Vietnam

Hi there! I’m a dedicated freelancer focusing on Data Entry and Administrative support. I understand that your time is valuable, and my goal is to handle your repetitive tasks with the highest level of accuracy and organization. Even though I am new to Upwork, I have a strong commitment to delivering high-quality work. I believe that being meticulous and error-free is more important than just working fast. I always double-check my work to ensure everything is perfect before it reaches you. How I can help you: • Manual Data Entry: Transferring data from PDFs, images, or websites to Excel/Google Sheets. • Web Research: Finding contact details, business information, or any specific data you need. • Data Cleaning: Organizing messy spreadsheets and removing duplicates. • File Conversion: Converting and formatting documents (PDF to Word/Excel) to make them look professional. I am reliable, easy to communicate with, and ready to start immediately. If you're looking for someone who treats your project with care and meets every deadline, let’s have a quick chat! Thank you for your time, and I look forward to working with you.

Hi. I am ready to write your project Write apps on your demand in many languages (Visual Basic, VBA, VBS, .NET, C#, JS, Python, Java, PowerShell) Write database apps including many db formats: MS Access, MS SQL, SQL Server, MySQL, SQLite, PostgreSQL, Firebird Write Automation apps including: * Automation Desktop apps. Some examples: Automation Playing Games, Automation Start/Stop/Click 3rd party apps * Automation Web apps. Some examples: Automation Web Scraping apps, Automation Web Crawling apps * Automation Data Processing apps: Automation formatting data to a specified template * Automation Data, Document Converting apps * Automation Macro, VBA for all apps in MS Office (Excel, Word, Outlook), OpenOffice, GoogleSheet * Automation Installers/Setups * Convert your Manual tasks to Automation solutions Write Web Service, Web API, Desktop API apps. Some examples: Google API, Bing API, Facebook API, MS API Fix/Solve any errors in your OS, apps

I’m a Senior .NET Developer combined with a Business Analyst mindset, with 10+ years of experience delivering and rescuing business-critical systems. I don’t just develop features — I analyze business workflows, fix system bottlenecks, and deliver scalable solutions that actually improve operations. In addition, I bring strong UI/UX implementation skills, allowing me to turn designs into pixel-perfect, production-ready interfaces — ensuring both performance and user experience. 🏆 Top Rated Freelancer 🏆 100% Job Success Score 💰 $10,000+ Earned 🚀 What I Specialize In 🔹 ERP / CRM / Business Systems Development Design and build systems for Sales, HRM, Warehouse, Manufacturing, Fleet Management Translate business requirements into scalable technical solutions 🔹 Legacy System Modernization (.NET) Upgrade old systems (.NET MVC, WebForms) → .NET Core / Blazor Refactor messy codebases into maintainable architectures Improve system performance, stability, and scalability 🔹 System Performance Optimization Fix slow systems (database queries, API latency, UI rendering) Optimize SQL, backend logic, and frontend performance 🔹 Pixel-Perfect UI Development (Figma / Adobe → Code) Convert Figma / Adobe XD / Photoshop designs into responsive HTML/CSS Ensure pixel-perfect accuracy across devices and browsers Implement UI using Blazor, DevExpress, Telerik 🔹 Business Analysis + Technical Execution Analyze workflows and suggest better system design Reduce operational inefficiencies through smart automation 💡 Why Clients Hire Me I think like a business owner, not just a developer I can quickly understand complex legacy systems and take ownership I proactively identify risks, bottlenecks, and better approaches I communicate clearly and provide regular progress updates 🧠 Tech Stack Backend: C#, .NET Core, ASP.NET MVC, Web API, Entity Framework Frontend: Blazor, HTML, CSS, JavaScript, Bootstrap, jQuery UI Frameworks: DevExpress, Telerik (Kendo UI), Syncfusion Database & Data: SQL Server, PL/SQL, OLAP, MDX Other: Python, ETL, Power BI, Excel, .NET MAUI 🎯 Productized Services (Fixed Scope – High Value) 💼 ERP / CRM System Audit – from $200 - Review architecture, database, and workflows - Identify bottlenecks & risks - Provide actionable improvement plan ⚡ Fix Slow .NET System – from $300 - Analyze performance issues (SQL / API / UI) - Optimize response time and system stability - Deliver measurable improvements 🔧 Legacy System Upgrade (.NET MVC → .NET Core / Blazor) - Codebase assessment - Migration strategy - Step-by-step modernization plan 📊 Database & Query Optimization – from $150 - Analyze slow queries - Optimize indexes and execution plans - Improve overall system performance 📌 Best Fit Clients - Companies running old .NET systems with performance issues - Businesses needing ERP / HRM systems built or improved - Founders who want a developer that understands business, not just code 💬 Let’s Work Together If your system is slow, hard to maintain, or no longer fits your business — I can help you analyze, fix, and upgrade it efficiently.

Deliver best working results, deliver final products on time are my commitment. I have a meticulous eye to details. If you hire me, please be assured that I will be doing my very best to assist you! I am experience in: - Virtual Assistance - Anything you need assistance with. Tedious, repetitive works, I can do it for you! - Bookkeeping and Financial Management - Track and categorize bank transactions -Code expenses and work with each businesses QuickBooks - Lead generation, list building- I can search, qualify lead and make your target list. - Data Entry - I am excellent at transferring and organizing data and any data entry in general. Let's work together to drive your business forward and achieve remarkable results. Reach out to me today, and let's discuss how I can tailor my services to meet your unique requirements. Your success is my priority!

I'm a professional freelancer who loves to work on diverse and challenging projects. I joined the freelancer community to broaden my horizons and learn from different perspectives. I'm dedicated and reliable, and I always deliver high-quality results on time. You can trust me to handle your project with care and attention. You are not just a client, but a partner in achieving your goals. TECHNICAL SKILLS Front end: JavaScript/TypeScript, HTML5, CSS3, VueJS, Quasar framework, TailwindCSS, lodash, ECharts/ApexCharts Back end: Node.js , Python, C#, ColdFusion, Rust Databases: PostgreSQL, MySQL, MS SQL, AWS Aurora, Oracle, AWS DynamoDB, Redis, MS Access. Cloud: AWS ( SAM, CDK, Lambda, EC2, Containers, API Gateway, S3, DynamoDB, Aurora, Load Balancer, CodePipeline ) Tools : Docker, Kubernetes OS : Windows, Linux, MacOS

🏆 Top Rated Freelancer | High Job Success Score Are you looking for a reliable Virtual Assistant who can help you save time and grow your business? With proven experience in Data Entry, Lead Generation, Web Research, List Building, and Administrative Support, I help businesses streamline their operations with accuracy, efficiency, and professionalism. I am committed to delivering high-quality work, meeting deadlines, and maintaining clear communication throughout every project. 💼 Services I Offer: ✔ Virtual Assistant Support ✔ Data Entry & Data Management ✔ Lead Generation ✔ Contact List Building ✔ Web Research & Market Research ✔ Email Research & Verification ✔ Data Mining & Data Scraping ✔ PDF Conversion & Document Formatting ✔ Microsoft Excel & Google Sheets ✔ Microsoft Word & Google Docs ✔ WordPress Data Upload & Management ✔ E-commerce Store Management ✔ Amazon KDP Support ✔ Book Editing & Formatting ✔ Figma Basic Design Tasks ✔ Copy-Paste & Administrative Tasks Why Choose Me? ✅ Top Rated Freelancer ✅ High Job Success Score ✅ Fast Turnaround Time ✅ Attention to Detail ✅ Accurate and Error-Free Work ✅ Excellent Communication ✅ Long-Term Client Focus I believe every project deserves full dedication, whether it's a small task or a large-scale project. My goal is to provide exceptional service that exceeds expectations and helps clients achieve their business goals. Let's discuss how I can support your business and make your workload easier. Thank you for visiting my profile. I look forward to working with you!