Acerca de Matthieu
7 years in automation and AI. 4.5 years freelance: 45 clients, 150+ workflows shipped, 99.9% uptime.
I build production pipelines in n8n, Python, and LangChain. CRM integrations, incident response systems, RAG pipelines, AI agents. Most clients come with a manual process that's eating engineering time — I replace it with something that runs unsupervised and fails loudly when it breaks.
- Groupon (2025-2026): 4-step incident response pipeline in n8n with LangChain at each triage point. Manual escalations down 80%. RAG documentation processor with Gemini: manual handling down 40%. HYPR: 28 Google Apps Script modules for 500+ employees' performance reviews.
- Brevo (2024): Lead generation cascade from LinkedIn through 6 enrichment sources with AI scoring. Processing time down 50%. Salesforce sync at 5,000+ records/day, 99.9% uptime for 18+ months.
- Freelance: 150+ workflows in n8n, Make, and Zapier for 45 clients. Lead enrichment via Cognism and Lusha: +25% conversion. AI agents for customer support, marketing automation, and logistics.
Every delivery includes error handling, centralized logging, and documentation readable by whoever touches it after me.
Stack: n8n, LangChain, Python, JavaScript, SQL/SOQL, Claude/Gemini/OpenAI APIs, Salesforce, HubSpot, PostgreSQL, BigQuery, REST APIs, Google Apps Script.
Francés
Bilingüe o nativo
Inglés
Competencia profesional completa
Español
Competencia profesional completa
Acepta trabajo presencial
Madrid (hasta 50 km)
Experiencia
- GrouponAutomation & AI Developerjulio de 2025 - abril de 2026 (9 meses)Madrid, España▸ Incident Response Pipeline (n8n) Suite of 4 interconnected workflows (WF1–WF4) triggered when Jira tickets transition to "Mitigated". Auto-creates incident report docs, collects approvals, escalates blockers. Result: -80% manual chasing across the on-call team.▸ AI Incident Reports Production RAG architecture using LangChain + Gemini, with PostgreSQL and BigQuery as sources. Generates structured incident reports from Jira, Google Chat and Google Docs. Standardized post-incident analysis. Result: -40% manual processing time on 200+ tickets/month.▸ HYPR Performance Review System — Google Apps Script application (28 modules) using Gemini via LiteLLM to generate performance reviews for 500+ employees. Most complex project on the team. Owned spec, build, deployment, HR rollout.▸ Jira ↔ Asana Sync (GIF — Global Initiative Framework) — Bidirectional framework for project approval flows. Approval bypass logic and cross-functional workflow unification.▸ Kindly Reminder — Compliance monitoring system with configurable rules, automated weekly reports, and Jira auto-correction.Stack: n8n · Google Apps Script · JavaScript · Python · LangChain · Gemini · LiteLLM · PostgreSQL · BigQuery · Jira · Asana · Google Workspace APIsProcess: discovery with stakeholders → spec with KPIs → 2-week sprints (POC → prod) → docs + on-call training → 30-day post-launch monitoring.Mission ended April 2026 currently exploring next senior AI/Automation role.| Key skills | n8n, Google Apps Script, JavaScript, Python, LangChain, Gemini, LiteLLM, PostgreSQL, BigQuery, Jira, Asana, Google Workspace APIs
- SaaSAutomation & AI Consultant — Freelance (in parallel of employed roles)enero de 2021 - junio de 2025 (4 años y 5 meses)Madrid, SpainDesigned and shipped 150+ workflows for 45+ clients across B2B SaaS scale-ups (martech, sales tools), e-commerce (DTC retail), marketing agencies, and tech startups. Maintained 99.9% uptime across the portfolio with centralized monitoring and Slack alerts on 60+ live workflows.Notable engagements:▸ Plezi ↔ Pipedrive Bidirectional Sync Production-grade contact sync handling 10k+ contacts/month with retry logic, schema mapping and dedup. Result: 30% time saved on the client's Sales operations team.▸ Lead Enrichment Pipeline Multi-source enrichment cascade combining Cognism and Lusha APIs, with quality scoring before CRM entry. Result: +25% conversion lift on the client's outbound campaigns.▸ Enterprise AI Agents Built and deployed agents for marketing copywriting, 24/7 customer support, and logistics planning. Use cases ranged from FAQ deflection to content generation at scale.▸ Centralized Workflow Monitoring Logging stack across 60+ live workflows with Slack alerts on failures, latency spikes, and SLA breaches. Reduced mean-time-to-detect from hours to minutes.Typical engagement: 1-4 week missions or monthly retainers.Owned scoping, technical design, build, client handoff and post-launch support.Stack: n8n · Make · Zapier · Python · JavaScript · OpenAI · Cognism · Lusha · Salesforce · HubSpot · Pipedrive · Brevo · Plezi · SlackKey skills | n8n, Make, Zapier, Python, JavaScript, Plezi, Pipedrive, Cognism, Lusha, OpenAI, Slack |
- BrevoRevOps Engineer — API Workflows & Automationmarzo de 2023 - abril de 2025 (2 años y 1 mes)Madrid, Spain▸ Cascade Lead Generation Pipeline (n8n) End-to-end pipeline: LinkedIn scraping → multi-source verification (Cognism, Kaspr, Lusha) → AI validation scoring ICP fit and data quality. Cut lead processing time by 50% and improved data hygiene before CRM entry.▸ Bidirectional Brevo ↔ Salesforce CRM Connector Production connector with custom JavaScript anti-duplication logic, sync of contacts, accounts and opportunities. Sustained 5,000+ records/day with 99.9% uptime in production. Owned design, code, monitoring, and incident response.▸ Planhat Rollout Implemented Customer Success platform with native integrations to Salesforce, BigQuery, Harvstr, Jira and Zendesk. Delivered 360° customer view to CS team, consolidating data previously scattered across 5 tools.▸ Two Zendesk Apps:(1) Real-time analytics dashboard surfacing ticket volume, response times, and SLA breaches by segment.(2) ChatGPT-powered assistant for content quality improvement directly inside agents' workflow.Cross-functional collaboration with Sales Ops, Marketing Ops, Customer Success, and engineering teams. Process: requirements gathering → spec withROI estimate → build with monitoring → deployment + team training → maintenance.Stack: n8n · JavaScript · Python · Salesforce REST API · Brevo API · Planhat · Zendesk · ChatGPT · BigQuery · Harvstr · JiraKey skills | n8n, JavaScript, Salesforce, Brevo API, Planhat, Zendesk, ChatGPT, BigQuery |
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Formación
- Full-Stack Web Development BootcampLe Wagon2021Part-time bootcamp covering full-stack web development: Ruby on Rails, JavaScript, HTML/CSS, SQL, Git, REST APIs, deployment. Capstone project shipped to production. Pivot point from marketing-tech background into engineering-grade automation work.
- Master 2 (Programme Grande École) — Digital Marketing, Web Strategy & Artificial IntelligenceInseec Business School2019Master's program combining digital marketing strategy, web technologies, and applied AI. Focus on data-driven decision-making, marketing analytics, and emerging AI use cases in business operations. Foundation for later transition into RevOps Engineering and AI/Automation work.