Salaj A
Google Apps Script and Web Automation Architect
Skills
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Portfolio
Werkervaring
Lead Automation & Google Apps Script Engineer
Freelance • Freelance
Dec 2022 - Present • 3 yrs 10 mos
Designed and deployed custom enterprise automation systems, full-stack Google Apps Script applications, and multi-platform API integrations for clients across e-commerce, real estate, and education. Key achievements: • Architected "LeadFlow 2.0", a high-performance multi-user CRM and analytics dashboard engine built in Google Sheets and Apps Script with automated lead tracking and zero-latency data pipelines. • Engineered production-grade REST API integrations (Meta Graph API, Etsy Open API v3) with OAuth 2.0 PKCE authentication, secure token lifecycles, and automated social publishing workflows. • Developed specialized ed-tech assessment and student progress tracking portals featuring automated scoring algorithms and dynamic, branded PDF report card generation. • Automated high-volume web scraping and data enrichment pipelines feeding live KPI dashboards for investment and property management firms.
Full Stack & Automation Developer
Upwork • Freelance
Dec 2020 - Present • 5 yrs 10 mos
Delivered custom web applications, desktop automation utilities, and spreadsheet-driven software tools for international businesses. Specialized in eliminating manual data entry, building single-page application (SPA) frontends embedded in cloud sheets, and orchestrating webhook-driven backends.