Professional portfolio background

portfolio

LAW SANTIAGO

With more than 10 years of experience as Full Stack Web Developer, I can make your ideas from scratch to actual working application . I am an innovative, quick learner and hardworking individual with an ardent desire to help people to succeed.

Full Stack Web Developer

Workflow and AI Automations Specialist

IT Consultant

SKILLS & EXPERTISE

Frontend Development

HTML5 / CSS3 jQuery Tailwind CSS Vue.js React

Backend Development

PHP / MySQL Laravel Node.js NextJS Python APIs

Web Technologies

WordPress E-commerce CMS Development Web Security

Digital Marketing

SEO Optimization Social Media Marketing Google Analytics

Workflow Automations

n8n AI Automations LangChain / RAG / Pinecone Vector

Graphics Design

Photoshop Canva Illustrator

FEATURED PROJECTS

Fintech Wallet & Payments Platform

Easy Wallet

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  • Multi-Service Digital Wallet – Built a mobile-first e-wallet platform supporting e-load top-ups, bills payment, fund transfers, and cash-in requests from a single unified account.
  • Telco E-Load Integration (Hachiko & GBits APIs) – Integrated Smart/TNT and Globe/DITO network APIs for real-time prepaid load fulfillment across a wide SKU catalog.
  • Flight Booking via Via.com API – Connected an airline ticketing API to enable in-app flight search and booking, with separate sandbox and production environments.
  • Whitelabel Admin Portal – Developed a full Bootstrap-based admin dashboard with ApexCharts analytics for managing accounts, transactions, and platform funds independently of the consumer app.
  • Real-Time Wallet Balance & Transaction Engine – Built core wallet logic to track fund movement, balances, and transaction history accurately across all payment types.

Travel Agency Booking & Management Platform

WanderLinx

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  • Multi-Channel Flight & Hotel Booking Engine – Integrated third-party flight (VIA) and hotel provider APIs to give travel agents real-time search, pricing, and booking in a single unified workflow.
  • Visa Processing & Requirements Management – Built end-to-end visa application tracking with country/type-specific requirements, document uploads, and status workflows.
  • Digital Wallet & Fund Management – Created a credit/fund system supporting balance top-ups, automated fee deductions, markup rules, and full transaction history.
  • Xendit Payment Gateway Integration – Integrated Xendit for invoice generation, payment processing, and webhook-driven reconciliation across bookings, subscriptions, and fund top-ups.
  • Real-Time Notifications & Messaging – Implemented Pusher-based real-time alerts alongside SMS and SendGrid email delivery for booking confirmations and itinerary updates.
  • Agent Training & Subscription Portal – Built a training/certification module and tiered subscription system with role-based access control (JWT + Spatie permissions).

Job & Workforce Management Platform

3A LabourHire Inc.

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  • Xero API Integration for Accounting Automation – Integrated Xero API for seamless invoice syncing, real-time calculations, and reduced manual accounting work.
  • Worker Time Tracking System – Designed a time-tracking module to record worker hours, supporting accurate payroll and billing.
  • Dynamic Job Application Forms – Built customizable forms to streamline applicant data collection and enhance candidate tracking.
  • Job Assignment & Workflow Management – Developed tools to assign jobs, monitor progress, and manage task distribution effectively.
  • Worksheets with Automated Invoice Generation – Created digital worksheets that automatically generate invoices based on logged work.

SaaS Platform for Food & Healthcare F&B Operations

Entreppid Inc.

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  • Recipe & Nutritional Management – Dynamic recipe builder with nutrition calculations, label generation (FDA/macro/keto/QR), and cost-estimating features.
  • Inventory & PO Automation – Real-time stock tracking, supplier database, inventory reporting, and automated POs.
  • Digital Menu + POS with QR Ordering – Built digital menus, QR ordering flows, order management, receipts, customizable tax/discount logic, and analytics.
  • Subscriber Meal-Plan Management – Subscriber profiles, personalized meal plans, QR tracking, and transaction metrics.
  • Hospital Meal Unit Management – Room-based diet/allergen filtering, patient-specific digital menu, QR ordering, and operational monitoring.

All-in-One Financial & Travel Services Platform

Netclixs Inc.

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  • Flight Booking System – Integrated flight ticketing API (Via.com) to enable real-time flight search, booking, and ticketing.
  • Bills Payment Integration – Connected with ECPAY Inc. API to allow users to settle utility bills, government payments, and other services online.
  • Money Transfer Services – Enabled secure send and receive money transactions through SMART and GLOBE telecom APIs.
  • Mobile Top-Up & Prepaid Load Distribution – Developed a system for instant prepaid top-ups across all major telecom providers.
  • Multi-Level Networking & Referral System – Implemented a marketing system where members earn commissions from referrals and royalties from service transactions.

CRM System for Medical Representatives

Medimix International

  • Affiliate API Integrations – Integrated APIs to send and fetch requests from affiliate platforms such as Doctors Directory and medical record systems.
  • Barcode Generation for Medical Products – Automated barcode creation for products and medical supplies, streamlining inventory tracking and distribution.
  • Web Data Scraping for Market Insights – Implemented data scraping using CasperJS, PhantomJS, and SlimerJS to collect and process medical market data.
  • Android Mobile Application – Developed a companion mobile app for medical representatives using Java, ensuring accessibility and productivity in the field.
  • CRM with Role-Based Access – Designed a CRM module that manages client relationships, tracks interactions, and supports secure user access levels.

eCommerce & Multi-Services MLM Platform

Topdeals Inc.

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  • eCommerce Marketplace – Built a platform where users can post, sell, and manage products online with transaction tracking.
  • Binary MLM Rewards System – Implemented a binary MLM structure where members earn commissions and royalties from direct sales and downline activity.
  • Multi-Service API Integrations – Connected multiple APIs including local & international flight booking, money transfer, bills payment, and mobile top-up.
  • Textblast Messaging System – Developed a high-volume SMS notification system capable of sending messages to thousands of users daily.
  • Automated Web Data Scraping – Implemented automated scraping workflows to gather relevant data and market insights from external websites.

Inventory Management & Bookkeeping System

Local Government Unit (LGU) of Daraga, Albay, Philippines

  • Process Mapping & Workflow Automation – Conducted surveys with local offices to analyze daily tasks and designed solutions that streamlined workflows and eliminated repetitive tasks.
  • Inventory Tracking & Control – Built a system to manage stock levels, item movements, and accountability for supplies and resources.
  • Task Assignment & Monitoring – Implemented features for assigning and tracking employee tasks, ensuring clear accountability and progress monitoring.
  • Document Tracking & Bookkeeping – Created digital tools to record, organize, and monitor documents and financial transactions for improved efficiency.
  • Accountability & Audit Trail – Designed role-based access and history logs to ensure transparency and accountability across operations.

LET'S CONNECT

Ready to bring your ideas to life? Let's discuss your next project and create something amazing together.
You can reach me at: jameslawsantiago@gmail.com