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Connect to your AI
I will build custom API integrations and webhooks for your CRM, shopify or app
Nazar K.
About this gig
Your CRM, store, payments and spreadsheets don't talk to each other, so your team copies data by hand. I'll connect them with an integration that keeps working.
I'm a Senior AI Engineer with a backend background in Ruby on Rails, Node.js and Python, including Shopify work.
I connect:
- CRMs and work tools: HubSpot, Pipedrive, Salesforce, GoHighLevel, ClickUp, Airtable
- Stores and payments: Shopify, WooCommerce, Stripe
- Google Sheets, Gmail, Slack, Telegram, Notion
- Any app with a REST or GraphQL API or webhooks, including your own backend
- AI tools: connect ChatGPT or Claude to your data with custom actions or an MCP server
Built properly: OAuth or API keys, retries, rate limits, logging and alerts when something fails. Not a fragile script.
You get: source code or an n8n workflow, setup docs, and a test run with your real data.
Tell me which systems to connect and what should happen when. I'll confirm it's possible before you order.
Get to know Nazar K.
Nazar K.
Senior AI Engineer, n8n Automation, AI Agents, Voice AI, Full Stack Apps
- FromUkraine
- Member sinceJan 2024
Languages
English, Ukrainian
Senior AI Engineer and full-stack developer. I build n8n and AI automations, AI agents, voice agents on Retell or Vapi, and API integrations between your CRM, store and internal tools. I also fix and deploy apps built with Lovable, Bolt, Cursor or Claude Code. I work in Python, JavaScript/Node.js and Ruby on Rails, test with your real data, and hand over clear docs and a video walkthrough. Tell me what your team still does by hand, and I'll send a plan and a fixed price.
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FAQ
What if my app has no public API?
I check webhooks, exports and existing connectors, and tell you the options before you order.
Where will the integration run?
In your n8n, on your server, or on a cloud host such as Render or Railway. Hosting costs are billed to you.
Can you build Shopify apps?
Yes: custom Shopify apps and Shopify API integrations. A public App Store app goes into a custom offer.
How do you handle two-way sync conflicts?
We decide the source of truth for each field upfront, and every change is logged.
How do you handle my credentials?
Through environment variables or your platform's secure access sharing, never in chat.
Can you build it in n8n instead of custom code?
Yes. If you already use n8n, I can build it as an n8n workflow; heavier logic goes into a small Node.js or Python service.
