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Fiverr Pro
English
$
USD
Johnson K
@johnsonkay001
Level 1
Payment Gateway and CRM Integration Expert
Nigeria
English, Polish
About me
I'm Johnson K, an integration specialist connecting payment gateways (Stripe, PayPal, Square), email platforms (Mailchimp, Klaviyo), and CRMs (HubSpot, Zoho, Pipedrive, GoHighLevel) with your business tools. I build Zapier automation for Notion, Airtable, Slack, ChatGPT, WhatsApp, and Google Sheets, plus AI chatbots with social media integration. Services include WordPress, Shopify, Wix integration, custom API development, and workflow automation. I deliver fully tested, secure solutions with ongoing support.
Skills
Johnson K
Offline •
Average response time: 1 hour
See my services
Email Automations
I will integrate stripe, paypal, and payment gateway on gohighlevel for your business
CRM Management
I will hubspot pipedrive zoho ghl airtable google sheets zapier integrate ai automation
Portfolio
Work experience
Senior Fullstack Developer | Stripe & Payment Integration Expert
CRM Africa • Freelance
Jan 2026 - Present • 5 mos
Specialized in building fullstack web applications with complex payment integrations. Experienced in Stripe Connect, PaymentIntent, manual capture for deposits, Stripe Identity for KYC verification, and webhook systems. Built SaaS platforms using Next.js, Node.js, NestJS and PostgreSQL. Delivered transaction management systems, vendor dashboards and client facing flows for businesses across different industries.
GoHighLevel AI Automation & CRM Integration Specialist
Software Keys Hub • Freelance
Dec 2025 - Present • 6 mos
Specialized in building and integrating AI automation systems for businesses using GoHighLevel. Experienced in setting up AI chatbots, SMS and email automation, lead generation workflows, and CRM integrations. Connected platforms including GoHighLevel, HubSpot, Pipedrive, Zoho, Airtable, Google Sheets, and Zapier into fully automated systems. Delivered complete end to end automation setups for clients including AI chat configured for unlimited response handling, lead engagement flows, and sales pipeline automation. Focused on building systems that work reliably without manual input so businesses can focus on growth.
13 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 13 Reviews
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fishcake5
Repeat Client
United Kingdom
Johnson is a pleasure to work with and very knowledgeable. I will be using him again for my latest updates to my workflows. Nothing was too much trouble and l am very particular about who I work with. 5 Stars from me and the team!
Helpful?
violetds9
Canada
Was my first time using the freelancer services. He appears to be knowledgeable and strategic which was essential to my needs.
Helpful?
tommpc
United States
You need to stop messing around and give this provider a try. I gave him a task, and he had it done super fast. He is knowledgeable and efficient. This task should have cost way more than he asked. He will solve your issues or create, pretty much, whatever you need.
Helpful?
benefactore
Switzerland
Fast delivery, awesome communication, and a truly professional job. I highly recommend this seller. Thank you!
Helpful?
sliverichie
United States
Johnson delivered excellent service and was very professional throughout the project. Communication was clear, work was high quality, and everything was delivered on time. Highly recommended!
Helpful?
