EXPLORE


4.9
4.9
100%
$25 USD / Hour
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Philippines (4:11 AM)
・
Joined on February 15, 2026
$25 USD / Hour
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⭐⭐⭐⭐⭐ I help founders and businesses build SaaS products, automate business workflows, integrate AI features, and improve existing applications that are incomplete, unstable, difficult to maintain, or not yet ready for production. My primary stack is Laravel/PHP, React, TypeScript, Node.js, PostgreSQL/MySQL, AWS, and Docker. I work across the full application lifecycle—from backend APIs and frontend dashboards to AI integrations, automation workflows, payments, third-party services, infrastructure, deployment, performance, and security. Core Expertise ✔️ Laravel, PHP, MySQL & REST API development ✔️ React, TypeScript & Node.js ✔️ SaaS architecture and existing-platform development ✔️ Stripe, PayPal & third-party API integrations ✔️ PostgreSQL, MySQL, MongoDB & Redis ✔️ AWS, Docker, CI/CD & production deployments ✔️ Authentication, permissions & application security ✔️ Performance optimization, debugging & technical debt cleanup ✔️ Admin dashboards and internal management systems ✔️ Testing, refactoring and production stabilization AI & Automation I help businesses add practical AI and automation features that reduce manual work and improve existing products and workflows. ✔️ GoHighLevel CRM setup, automation and workflow integrations ✔️ OpenAI, Claude and LLM API integrations ✔️ AI assistants, chatbots and internal copilots ✔️ AI-powered search, summarization and content generation ✔️ Document processing and structured data extraction ✔️ RAG and knowledge-base integrations ✔️ Automated customer support and internal workflows ✔️ CRM, email and business process automation ✔️ API-driven workflow automation and scheduled jobs ✔️ n8n, Zapier and webhook-based integrations I focus on using AI where it creates a practical business benefit rather than adding AI simply because it is popular. Mobile Development I also build cross-platform mobile applications with Flutter and React Native, including: ✔️ iOS & Android applications ✔️ Authentication and payments ✔️ Push notifications ✔️ Maps, GPS and location-based functionality ✔️ Real-time features ✔️ Third-party SDK and API integrations E-commerce For businesses running e-commerce platforms, I also work with Shopify and Magento, including: ✔️ Shopify development and theme customization ✔️ Shopify app and API integrations ✔️ Magento maintenance and modernization ✔️ Magento-to-Shopify migrations ✔️ Product, customer, order and content migration ✔️ URL mapping, 301 redirects and SEO preservation ✔️ E-commerce performance optimization How I Work 💪 I’m comfortable taking over projects developed by another team or developer. I review the current architecture first, identify the highest-risk problems, and prioritize the work that has the biggest impact on getting the product stable and into production. You can expect clear progress updates, early communication about blockers, practical technical recommendations, and documentation for important changes.
Verifications
On time
100%
On budget
100%
Accept rate
100%
Repeat hire rate
57%

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Task Management SaaS Landing Page

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AI-Powered Analytics Dashboard
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B2B Project Management Tool

B2B Project Management Tool
B2B Project Management Tool

Real-Time Collaboration Platform

Figma Design to Responsive Email

Figma Design to Responsive Email

AI Agent Data Dashboard

AI Agent Data Dashboard

Task Management SaaS Landing Page

Task Management SaaS Landing Page

AI-Powered Analytics Dashboard
AI-Powered Analytics Dashboard

AI-Powered Analytics Dashboard

B2B Project Management Tool

B2B Project Management Tool
B2B Project Management Tool

Real-Time Collaboration Platform
I hired Johann again because of the outstanding quality of the work delivered. Communication was excellent throughout the project, and every question or request was handled promptly and professionally. Johann demonstrated strong expertise, paid close attention to detail, and consistently met my expectations. It was a pleasure working together again, and I will very likely hire Johann for future projects whenever I need similar work. Highly recommended.⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
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Johann completed the task with good effort. Communication was excellent throughout the project—always polite, responsive, and professional. He had a great attitude, was easy to work with, and was willing to address questions and make adjustments when needed. I am satisfied with the quality of the work and would be happy to hire him again.
+3 more
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Johann is a great developer
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Wow, this is a gold freelancer. He is very patient with all tasks and know exactly how to solve all problems. I recommend him for your project 10/10. Don't hesitate to work with him!!
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Great freelancer! I had him work on a GitHub pipeline issue and he was very quick with the work.
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Experience
Senior Web Developer
Jan, 2024 - Present
•
2 years, 6 months
CloudTech Solutions
Jan, 2024 - Present
•
2 years, 6 months
Led the migration of a legacy dashboard to a modern micro-frontend architecture, improving page load speeds by 55% Architected a real-time collaboration module using WebSockets, supporting 10k+ concurrent users Managed a remote team of 4, overseeing code reviews and CI/CD pipeline optimization

Malvar, Philippines
Jan, 2024 - Present
•
2 years, 6 months
Full-Stack Developer
Aug, 2022 - Dec, 2023
•
1 year, 4 months
InnovateX
Aug, 2022 - Dec, 2023
•
1 year, 4 months
Developed core payment processing modules integrated with Stripe and PayPal for a global B2B platform Built and maintained complex data visualization charts for financial reporting using D3.js

Malvar, Philippines
Aug, 2022 - Dec, 2023
•
1 year, 4 months
Education
Bachelor of Science in Computer Science (BSCS)
2022 - 2025
•
3 years

Philippines
2022 - 2025
•
3 years