Geoff T.
Celigo-certified Integration Developer | Expert BigCommerce Developer
As a Celigo Mastery Level 4 "Legendary" Certified Developer with over 8 years of combined software engineering and integration experience, I architect, build, and maintain production-grade integrations that eliminate manual data entry, prevent sync failures, and scale seamlessly with business growth. Whether you need to connect enterprise platforms from scratch, rescue failing integration flows, or handle complex data transformations, I deliver clean, fault-tolerant solutions built on industry best practices. Core Competencies & Tech Stack iPaaS & Automation: Celigo Integrator, SuiteScript (1.0 / 2.0 / 2.1), Node.js, REST/SOAP APIs, Webhooks. ERPs & CRMs: Oracle NetSuite, Salesforce. eCommerce & Retail: BigCommerce, Shopify, WooCommerce, Miva Merchant, Amazon FBA. Protocols & Formats: JSON, XML, SFTP/FTP, EDI data structures. Proven Client Outcomes ERP & Logistics Synchronization: Architected end-to-end 3PL (Cengage) to NetSuite integrations, automating return authorization records, item receipts, and inventory adjustments without manual data reconciliation. Salesforce to NetSuite Alignment: Built bidirectional syncs automating customer provisioning, syncing Salesforce Orders to NetSuite Invoices/Sales Orders, and feeding real-time fulfillment data back to sales teams. High-Accuracy Storefront Pipelines: Configured and deployed mission-critical Celigo Integration Apps connecting Shopify and WooCommerce to NetSuite, ensuring accurate order-to-cash workflows and inventory synchronization. API Deprecation & Architecture Modernization: Transitioned legacy workflows to modern API standards (including Amazon FBA Transfer Order API migrations) without business disruption or downtime. Automated Safeguards & Error Recovery: Designed automated retry mechanisms for transient errors and implemented automated SFTP archive backups inside NetSuite file cabinets prior to parsing. How I Work Discovery & Architecture: We review your source/destination schemas, business logic, edge cases, and volume requirements. Build & Validation: Flows are developed with modular mapping, custom hooks/scripts where needed, and robust error handling. Sandbox Testing & Cutover: Thoroughly validated across test environments before deploying to production with minimal disruption. Handoff & Support: Clear documentation and operational runbooks so your internal team is never left in the dark. Have an integration project, an API transition, or a broken flow that needs fixing? Send me an invitation or message with your requirements, and let's get it solved.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $198
Billed in all: $10,171$10k
$198 in the last 6 months
Earnings, last 30 days
Skill rankings: Top 30% in JSON
Ranked by MRR among everyone on Upwork with the skill.
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- #322BigCommerce827 freelancers · 🇺🇸 #47Top 39%🇺🇸#47 of 88
- #374Oracle NetSuite769 freelancers · 🇺🇸 #68Top 49%🇺🇸#68 of 155
- #382JSON1,293 freelancers · 🇺🇸 #44Top 30%🇺🇸#44 of 122
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