💻 Web Developer | WordPress Plugins & Web Apps | WooCommerce Expert | PHP, MySQL, APIs
With over 10 years of experience in web development, I specialize in custom WordPress solutions, including plugin development, WooCommerce extensions, and full-featured web applications built on the WordPress platform.
My focus is on backend development, building reliable, secure, and scalable solutions — while also handling the frontend with clean, responsive UI using Bootstrap, jQuery, ReactJS, and Gutenberg blocks.
💡 What I Do Best:
WordPress Development:
– Custom plugins (private and WordPress.org)
– Gutenberg block development (React & JS ES5)
– WooCommerce customization & integration
– Site performance optimization
- Web Applications Using WordPress as a Framework
- Payment Gateway Integration (e.g., Stripe, NMI, Authorize.net)
- Custom APIs & Third-Party Integrations
- Backend Development in PHP & MySQL
- Frontend Work with JS, jQuery, React, Bootstrap
🧰 Tech Stack:
Primary:
- PHP, MySQL
- WordPress (core, plugins, themes, REST API)
- WooCommerce
- JavaScript, jQuery, Gutenberg, ReactJS
- Bootstrap
- Stripe & other Payment APIs
* API design and consumption (REST, JSON) :
– Google Maps, Facebook, Twitter, and other third-party APIs
– ActiveCampaign, Stripe, ThriveCart, ZAP
– Custom backend APIs for mobile apps or frontend use
Secondary:
Laravel, CodeIgniter
Server & DevOps:
– Ubuntu Linux, DigitalOcean, LAMP stack
– Git version control and deployment workflows
🎯 How I Work:
- Backend-first approach: business logic, APIs, database architecture
- UI implementation using standard tools — no graphic design or multimedia
- Clean, modular, maintainable code
- Communication-focused: I translate technical solutions into business value
Whether you're looking to extend your WooCommerce store, develop a custom plugin, or build a web application using WordPress, I’m here to deliver robust, scalable solutions.
Let’s discuss how I can help you bring your next project to life.
Stripe API
MySQL
CSS
PHP
JavaScript
WordPress Plugin
WooCommerce
WordPress Development
Laravel
API Development
Web Application
jQuery
Web Development
WordPress e-Commerce
ActiveCampaign
Severino O.
Sariaya, Philippines
$10/hr
5.0
2 jobs
I am a Senior Full-Stack Developer with 10+ years of experience designing and delivering scalable web applications, SaaS platforms, and marketplace systems. Strong expertise in React, Next.js, Node.js, and NestJS, with solid database architecture experience in MySQL and PostgreSQL.I specialize in clean architecture, efficient backend systems, and intuitive, user-focused solutions. Experienced in AWS cloud deployment, Stripe payment integration, performance optimization and building production-ready systems used by thousands of users.I write maintainable, well-tested code and consistently deliver reliable results on time. Whether building products from scratch or improving complex existing systems, I focus on performance, clarity, long-term scalability, and measurable business impact.
Stripe API
React
Next.js
Node.js
NestJS
TypeScript
PostgreSQL
AWS Development
ExpressJS
RESTful API
Git
MongoDB
PHP
Laravel
MySQL
Python
Jan Patrick B.
Kolambugan, Philippines
$25/hr
5.0
1 jobs
I build production-grade fullstack apps and integration platforms that actually power real business operations, from AI-driven SaaS products to high-volume fintech and e-commerce systems.
With 8+ years of fullstack dev experience, I focus on designing scalable APIs, AI-powered integrations, payment gateways, and systems that stay reliable under load and grow with the business.
I'm all about clarity in architecture, robustness in execution, and maintainability. Not quick scripts, but systems you can actually depend on.
- Core Expertise
• Fullstack development (Node.js, React, Python, Django, FastAPI, PostgreSQL, MongoDB)
• AI & OpenAI API integrations (GPT-based systems, RAG pipelines, multi-agent workflows)
• Third-party & API integrations (REST, GraphQL, webhooks, OAuth2, JWT)
• Payment systems (Stripe, PayPal, Razorpay, Braintree, subscriptions & billing automation)
• Data pipelines & ETL systems
• Distributed workers and queue-based processing (BullMQ, Celery)
• Cloud infrastructure (AWS, GCP, Docker, serverless)
- AI & Backend Systems
I design and build AI-enabled backend platforms with OpenAI APIs and ML models, including:
• RAG systems with pgvector, Pinecone, Qdrant
• Multi-agent AI workflows & tool-using AI setups
• Document processing pipelines (PDF, HTML, structured data ingestion)
• Embedding pipelines & semantic search APIs
• Cost-optimized, low-latency AI infrastructure with caching, monitoring, and fallback logic
Basically, I make sure AI systems are production-ready, scalable, and maintainable.
- API & Third-Party Integrations
End-to-end integration between SaaS platforms, internal systems, and external services:
• REST API & GraphQL integrations
• Webhook-based event systems
• OAuth2 auth flows and secure token management
• Real-time and batch sync pipelines
I make integrations reliable, observable, and resilient to failures.
- Stripe & Payment Infrastructure
I've built production-grade payment systems like:
• Subscription systems, usage-based billing, metered payments
• Stripe Checkout, Payment Intents, automated invoicing
• Webhook handling with idempotency & retry logic
• Financial reporting & reconciliation pipelines
My payment systems are secure, compliant, and business-ready.
- Integration Architecture
When systems talk at scale, architecture matters more than code. I design integration layers with:
• Retry & backoff strategies
• Data consistency & reconciliation mechanisms
• Observability (logging, tracing, alerts)
• Failure recovery & replay systems
• Versioned APIs & backward compatibility
- Data Sync & Pipelines
Reliable movement of data across systems:
• ERP ↔ CRM ↔ Analytics pipelines
• Event-driven architectures using queues & streams
• Data validation, transformation, enrichment
• Scheduled and real-time sync strategies
- API & Integration Experience
I've integrated 100+ APIs across industries:
• CRMs: HubSpot, Salesforce, Zoho, Pipedrive
• Ecommerce: Shopify, WooCommerce, BigCommerce
• Payments: Stripe, PayPal, Razorpay, Braintree
• Messaging: Twilio, SendGrid
• Marketing: Mailchimp, ActiveCampaign, Meta Ads, Email/SMS APIs
• Scheduling: Calendly, Acuity
• Custom internal APIs, private SaaS, legacy systems
How I Work
When business systems need to exchange data reliably, simple API connections aren't enough. I build fullstack systems that:
• Handle real-world edge cases & failures
• Scale with growing data & traffic
• Give clear visibility into what's happening
• Stay maintainable months and years later
I approach every project with an engineering mindset, focused on durability, scalability, and long-term success.
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