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Jesus.D
@jdcastell
Automation Systems Engineer, n8n CRM Integrations and API Expert
Venezuela
Englisch, Spanisch
Über mich
Tired of expensive Zapier fees or broken workflows costing you clients? I’m a Fullstack Developer & Automation Engineer specializing in n8n, API integrations, and CRM automation. I build self-hosted, scalable pipelines that save you time and money.
⚙️ Expertise: n8n, Zapier Migrations, Webhooks, Docker & Python.
Whether you need an emergency API fix or a complete system, I'm here to help. Stop losing leads to bad tech. Message me today and let's optimize your business!
Kompetenzen
Jesus.D
offline •
Meine Dienstleistungen
CRM-Management
I will automate hubspot lead routing and CRM workflows with n8n
Portfolio
Arbeitserfahrung
n8n Automation Engineer — Freelance
Freelance • Vollzeit
Oct 2022 - Present • 4 yrs
Built and maintained production n8n and Make.com pipelines processing thousands of tasks monthly for e-commerce and agency clients. Specialized in lead capture flows, CRM syncing, and AI-powered content generation using Claude and OpenAI APIs. Redesigned API consumption logic for a high-volume client, cutting operational costs by ~$1,400/month while improving output reliability. Also reviewed and fixed workflows built by other freelancers before go-live — error routing, pagination, rate limits, credential security.
Backend & CRM Integration Engineer
Freelancing Career • Freiberufler
Aug 2025 - Mar 2026 • 7 mos
Integrated two corporate CRMs (vTiger, Freshsales) with Monday.com via REST API, normalizing deeply nested JSON for real-time syncing. Built an automated commission auditing system that consolidated fragmented data across departments and reduced manual reconciliation time by 80%. Implemented Slack alerting with execution IDs so failures were caught and recovered without manual intervention.
