Collins
Level 2
Websites and Automations Built to Save Time and Boost Growth
Compétences

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20 $US
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Expérience professionnelle
E-commerce Automation & Integration Engineer
Shopify & WooCommerce Brands • Freelance
Sep 2025 - Present • 8 mos
Built e-commerce automation including order processing automation, fulfillment automation, payment confirmation workflows, refund automation, reconciliation automation, inventory sync, and reporting automation. Integrated Shopify, WooCommerce, Stripe, PayPal, QuickBooks Online, Xero, Airtable, Slack, Google Sheets using REST API, Webhooks, OAuth, secure credentials management, logging pipelines, and retry logic. Implemented scalable automation architecture, monitoring, alerts, idempotency handling, duplicate prevention, error handling, and workflow stabilization.
n8n Workflow Debugging & Optimization Specialist
SaaS Product Teams • Freelance
Sep 2025 - Present • 8 mos
Specialized in debugging broken n8n workflows, fixing webhook trigger issues, resolving API failures, handling rate limiting, retry loops, fallback logic, exception handling, and long-running workflows. Rebuilt complex branching logic, routing logic, conditional logic (IF logic), routers, iterators, aggregators, filters, loops, and data mapping pipelines. Optimized data flow, chunking, state management, idempotency handling, duplicate prevention, incremental updates, and scenario stabilization. Integrated OpenAI API, Google Sheets, Airtable, Slack, HubSpot, Stripe, Twilio, and custom REST APIs for event-driven automation, cron triggers, scheduled checks, and production-grade backend orchestration.
E-commerce & Payment Automation Architect
E-commerce & Online Service Brands • Freelance
May 2025 - Present • 1 yr
Engineered scalable e-commerce automation, fulfillment automation, booking automation, reporting automation, spreadsheet automation, CSV processing, file-handling automation, and dashboard automation using Make.com and n8n. Integrated Shopify, WooCommerce, Stripe, PayPal, QuickBooks Online, Xero, Google Sheets, Airtable, and Slack via REST API, Webhooks, HTTP requests, OAuth, secure credential handling, and API gateway architecture. Built automated order processing systems, invoice generation workflows, payment confirmation triggers, refund automation, reconciliation automation, ETL pipelines, data ingestion, data transformation, incremental sync, idempotency handling, duplicate detection, validation logic, error recovery, retry loops, monitoring, alerts, automation auditing, and production-grade workflow stabilization. Focused on performance optimization, scalability, modular workflows, reusable sub-workflows, workflow versioning, automation orchestration, and system design best practices.
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palmer_peter
Client récurrent

États-Unis
Honestly wasn't sure what to expect at first but Collins jumped right in and understood exactly what I needed. I had some vibe blocks that weren't triggering right and the interaction felt clunky. He asked the right questions, got into my Lovable project quickly, and had a working draft ready way faster...
Réponse du freelance
palmer_peter
Client récurrent

États-Unis
Came back for the second part and Collins delivered again. The triggers are firing properly now, everything feels clean and responsive, exactly the alive feeling I was going for. He also tidied up the code without me having to ask twice. For the price, this was genuinely great value. Would definitely hire again for future Lovable projects.
Réponse du freelance
becomingvc

Afrique du Sud
Collins was a truly exceptional communicator. Because of his depth and understanding, I realized that I needed to use a different output platform than I initially contracted him for. He had already made all the pulls so easy and taught me so much along the way. Because of him, I knew I needed to step...
Réponse du freelance
destinyderyo

États-Unis
Collin was amazing to work with! Worked very quickly and helped me with everything I needed! Even offer support after delivery! Would work with him again!

Réponse du freelance
shane_cameron9

Royaume-Uni
Collins is very professional, knowledgeable in his field, and i will be using him again.
Réponse du freelance

