n8n Integration Engineer - Remote - 8 Weeks - Outside IR35 - £400 Per Day

N8N Integration Engineer - Remote - Outside IR35 - £400 per day

We're seeking a proven Integration Engineer with deep n8n expertise to deliver a secure, fault-tolerant orchestration layer between Salesforce, Klaviyo, and Mews.

Key deliverables include:

• n8n deployed in queue mode (Redis + HA Postgres)

• Secure enrichment of Klaviyo with Salesforce/Mews data

• PII scrubbing, DLQ management, and idempotent event handling

• Bulk import workflow with GDPR-safe data design

• Catalog feed builder and life cycle event integration

• Documentation and operational runbooks

Experience required:

• 3-5 years with n8n or similar tools (Zapier, Airbyte, etc.)

• Strong understanding of REST APIs, JSON, and webhooks

• Exposure to Salesforce and Klaviyo integrations

• Docker/Kubernetes deployment experience

• Retry, DLQ, and replay pattern implementation

Bonus: SQL, Postgres Scripting, or ETL tooling knowledge.

Immediate start - excellent short-term contract for someone who enjoys solving integration challenges with reliability and data security at the forefront.