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Collins
@collinsopeyemi
Level 2
Websites and Automations Built to Save Time and Boost Growth
Nigeria
English
About me
Hi, I’m Collins, a Level 2 Seller on Fiverr.
I help people and businesses turn ideas into real results by building systems, creating content, and setting up solutions that make work easier and faster.
My goal is always simple: save you time, cut out stress, and help you grow with tools that actually deliver.
Every project I take on is about making things smoother so you can focus on what matters most.
Skills
Collins
$20/hour
Offline •
Average response time: 1 hour
See my services
Marketing Analytics and Reporting Automation
I will setup make com make com automation n8n automation n8n ai automation gohighlevel
Automations & Agents
I will setup make com automation make come ai automation whatsapp chatbot gohighlevel
Want to work on an hourly basis?
Tell Collins what you need.
$20
/
hourPortfolio
Work experience
E-commerce Automation & Integration Engineer
Shopify & WooCommerce Brands • Freelance
Sep 2025 - Present • 1 yr 1 mo
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 • 1 yr 1 mo
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 5 mos
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.
52 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 52 Reviews
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mattchea90
Canada
Colin was excellent to work with. He was patient, professional, and took the time to help me understand the process of setting up my social media AI agent. Any delays were mainly on my end because of my busy schedule, but Colin remained understanding and supportive throughout. He did a great job, and I would gladly work with him again. Highly recommended!
Seller's Response
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oscartorres
Mexico
Ongoing collaboration
Outstanding developer. Collins was highly organized, professional, and committed throughout all the project. He implemented everything carefully, communicated clearly, documented the system thoroughly, and was always willing to refine details until we achieved the desired result. I would definitely...
Seller's Response
Helpful?
yanivsvv
United States
Collins is extremely talented and communicates very well. He didn’t let go until he found solutions for everything he tackled. Will definitely use his services again!
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Helpful?
dealbridge05
United States
Ongoing collaboration
Seller's Response
Helpful?
dealbridge05
United States
Ongoing collaboration
He was great to work with understood and did what i said
Seller's Response
Helpful?
