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Real client work: Stripe integrations, API automation, backend logic, workflow fixes. Built fast, built right.

Ariel Sacagiu – Systems-Focused Developer Portfolio

Welcome to my curated portfolio of technical projects—each designed to solve real client problems through automation, API integration, and operational reliability. From Stripe OAuth flows to full-stack certificate management systems, this collection reflects my approach: from brief to build, I make your tools talk.


🔧 Projects Overview

Project Description Tech Stack Highlights
001_nextjs_auth_paywall_demo Premium content paywall with Stripe auth Next.js, Stripe Session sync, webhook reliability
003_bubbleio_json_email Dynamic JSON builder via Bubble.io → Email Bubble.io, Python Custom JSON parser, form-to-email automation
004_stripe_make_starshipit Stripe → CSV → Starshipit shipping sync Stripe, JS, Make.com Data transformation, strict schema handling
005_stripe_oauth_connector SaaS Stripe OAuth flow & token management Node.js, Stripe API Secure onboarding, webhook sync
006_phpprobid_stripe_update Legacy payment upgrade for PHPProBid PHP, Stripe API Migration without downtime
007_webflow_google_stripe_integration Cross-platform order sync Webflow, Google Sheets, Make.com Data reconciliation, webhook failsafes
008_certtracker_pro Automated sales tax certificate management Node.js, React, PostgreSQL Airtable, Make.com, QuickBooks API

Skills Demonstrated

  • API Integration (Stripe, QuickBooks, Google)
  • Backend Engineering (Node.js, Express, PostgreSQL)
  • Automation Design (Zapier, Make.com, custom scripts)
  • UI Workflows (React, Vite, shadcn/ui)
  • Operational Resilience (Webhooks, retries, logging)
  • Documentation, Diagrams, and Error Strategy

About Me

I'm a systems-minded engineer who bridges messy specs and scalable tools. Whether building from scratch or fixing broken workflows, I focus on clarity, automation, and reliability.

→ Visit my full site or contact page [Link here if needed]


Tips for Reviewers

Each project folder contains:

  • README.md – Project context, outcome, takeaway
  • snippet.[js|ts|py|php] – Core code logic
  • steps.md – Breakdown of approach and challenges
  • diagram.png – System or data flow architecture

Want to discuss a project? Open an issue or reach me directly.

About

Real client work: Stripe integrations, API automation, backend logic, workflow fixes. Built fast, built right.

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