Marek Saniawa's Work | ContraWork by Marek Saniawa
Marek Saniawa

Marek Saniawa

AI Automation & Marketing Systems Specialist

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Cover image for n8n Automation Architecture with API
n8n Automation Architecture with API and CRM Integrations Designed a maintainable automation blueprint connecting forms, CRM, databases, email and external APIs in n8n. The architecture includes source-of-truth rules, credential ownership, error handling, retries, logs, manual approvals and documentation. Discovery output covers a current-state map, architecture decisions, risk register, Phase 1 scope and implementation roadmap.
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Cover image for Multi-Source Marketing Reporting Automation
Built an
Multi-Source Marketing Reporting Automation Built an automated reporting system that collects marketing, tracking and email data from separate APIs and turns it into daily alerts and weekly performance summaries. The workflow keeps each source independent, validates the data, handles failures and delivers concise reports without manual exports. I designed the data model, API integrations, scheduling, alert rules, deduplication and operational monitoring.
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Cover image for Ecommerce Measurement and Merchant Center
Ecommerce Measurement and Merchant Center Setup Built an end-to-end measurement and product data setup for an automotive ecommerce store with more than 500,000 catalog items. I configured GA4, GTM, ecommerce events, Consent Mode v2, Google Ads conversion tracking, Merchant Center, Search Console and product feed diagnostics. The work included test purchase validation, category mapping, error analysis and a technical handoff.
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Cover image for AI Email Triage and Drafting
AI Email Triage and Drafting Automation Built a production email workflow that classifies incoming messages, routes them by topic and urgency, and prepares reply drafts for review. The system uses serverless functions and LLM models with logging, safeguards and manual approval before sending. I designed the workflow, prompts, routing rules, failure handling and operational monitoring.
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