Hire the Best API Integration Freelancers
in Vietnam

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

Top Rated Plus automation and software engineer with a 100% Job Success score, a 5.0 rating, and 220+ projects delivered for clients in 8+ countries. I remove busywork and build software that actually ships. Over 4,000 hours on Upwork have taught me what clients really want: clear communication, clean code, and delivery that lands on time. No surprises, no disappearing, no half-finished handovers. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I DO ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ► AUTOMATION & WORKFLOW DEVELOPMENT I turn repetitive, error-prone processes into reliable automations you own, often replacing a stack of paid subscriptions with a single integration I build for you. Python, Google Apps Script, Google Ads Script, Zapier & Make, API and webhook integration, Google Workspace (Sheets, Slides, Drive, Gmail). ► WEBSITE & APP DEVELOPMENT Marketing sites, web applications, and mobile apps, designed, built, tested, and supported. React, Next.js, JavaScript, RESTful APIs, AWS. ► EMBEDDED SOFTWARE DEVELOPMENT Production-grade firmware for real hardware, including automotive systems built to professional standards. Embedded C, AUTOSAR, microcontroller platforms. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHY CLIENTS HIRE ME ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ - Top Rated Plus, 100% Job Success, 5.0 rating - 220+ projects for 190+ clients across 8 countries - Fast, on-time delivery with no surprises - Clear, proactive communication and regular updates - Clean, well-documented, maintainable code - Long-term partner, not a one-off contractor ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I BUILD MY OWN PRODUCTS, TOO ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Because I ship products of my own, I understand the full journey from idea to launch and bring that founder mindset to your project. - Little Buddy: an AI companion for kids that answers their questions, remembers past conversations, and shows answers on a built-in screen. - Split Bills (split-bills.xyz): a free web app for splitting group expenses that settles up instantly with QR payments. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW WE WILL WORK TOGETHER ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Discover. I learn your goals, clarify requirements, and agree on scope before starting. 2. Build. I propose a technical approach, then build with regular progress updates. 3. Review. You check real, working output along the way, and I refine until it matches your expectations. 4. Deliver. I package everything and hand it over, on time and on budget. ──────────────────────────── Have a problem worth solving? Send me a message with a few details about your project and I will reply within one business day.

🚀 Transform your ideas into fast, scalable web applications. I’m a Laravel & WordPress Developer specialized in building custom web apps, API integrations, and SaaS platforms from the ground up. Whether you need a clean backend architecture or a pixel-perfect frontend, I can help you bring your project to life — fast, secure, and maintainable. 🔧 What I can do for you: • Build and deploy full-stack Laravel applications (multi-tenant, SaaS, admin dashboards) • Create and integrate RESTful APIs (Stripe, Google, CRM, etc.) • Develop and customize WordPress themes & plugins • Migrate or connect WordPress with Laravel backend • Optimize performance and fix critical bugs in existing systems 💼 Tech Stack: Laravel, PHP, MySQL, WordPress, REST API, TailwindCSS, React, JavaScript, Docker, Git 🧠 I focus on writing clean, modular, and well-documented code — so your project stays easy to maintain and scale over time. 💬 Let’s discuss your idea — I’ll help you turn it into a robust web solution that delivers real results.

I am a software developer with 20 years of experience. I have experiences in warehouse, accounting, retail/wholesale, bar code technology, customer management, loyalty, tablets (Android, iOS), web service, SQL, Office VBA, DevExpress, custom Xtrareport design, Amazon SP-API, Best Buy API, Macys API, Walmart API, Google Sheet... I already finished many projects for our customers about these fields successfully. My free time about 30 hours/week and I would like to find some extra jobs to work in that time.