# Rafael Murbach Coutinho | Tech Lead · Product and AI > 30 years writing software (since 1994), 20 years leading communications & communities. Hands-on technical leadership bridging modern AI-native architectures (Next.js, TypeScript, LLMs, autonomous agents) with large-scale governance and human-centered engineering. ## Profile - **Location & Availability:** Brasília, DF, Brazil. Open to Senior/Staff remote positions globally (US, Europe, LatAm) and hybrid/executive engagements. - **Contact:** rafael.murbach@gmail.com | https://murbach.me | https://www.linkedin.com/in/rafael-murbach-04b523 | https://github.com/RafaelRadu --- ## Core Competencies & Technical Stack ### AI-Native Engineering & LLMs - **LLM Integrations:** Anthropic Claude API, Google Gemini API, OpenAI GPT, Genkit AI, LangChain / LlamaIndex concepts. - **Agentic Workflows & Automation:** Autonomous agent workflows, Prompt Engineering (system prompts, structured JSON outputs, chain-of-thought), AI Evals, prompt regression testing. - **Testing & Quality Ops:** Playwright automated end-to-end testing, Think Aloud user research triangulated with automated browser runs, CI/CD automated AI code review pipelines. ### Full-Stack & Systems Architecture - **Frontend / Modern Web:** Next.js (App Router, Server Components, Edge runtime), React, TypeScript, Tailwind CSS, HTML5/CSS3 semantic architecture. - **Backend & APIs:** Node.js, Python (scraping, ETL, agents), RESTful APIs, GraphQL, Serverless Functions, PHP 8.2 (WordPress enterprise / SINCETI GovTech). - **Data & Databases:** PostgreSQL, Microsoft SQL Server, Firebase (Firestore, Authentication, Hosting, Security Rules), Supabase, Relational modeling & BPMN process engineering. - **Cloud & DevOps:** Firebase Hosting / Cloud Functions, Edge CDN caching, Git / GitHub Actions, Linux server environments, Docker basics. ### Leadership, Product & Governance - **Engineering Leadership:** Agile / Scrum / Kanban, architecture decision records (ADRs), code reviews without ego, pair programming, technical mentoring. - **Product Strategy & Discovery:** PRDs, strategic roadmaps, UX research, usability benchmarking, OKRs, KPI monitoring, PMBOK project governance. - **Executive Communication:** 20+ years coordinating national and global multidisciplinary teams, conflict mediation across multicultural stakeholders (India, LatAm, Africa, Europe), crisis management, public speaking. --- ## Featured Case Studies 1. **Portal das Eleições** - *Domain:* Media tech & AI-driven news (own product). - *Engineering:* A Python pipeline pulls stories from 8 outlets once or twice a day; LLMs summarize, classify and filter 400 to 500 of them daily, and each summary becomes audio. Extraction success is tracked per outlet to trigger remapping. Edge caching designed for election-season traffic; live vote counting integrated with Brazil's electoral court (TSE) comes into use on election day. - *Keywords:* Python, Next.js, LLMs, Text-to-speech, Edge CDN. 2. **Movooh** - *Domain:* Vehicle out-of-home (OOH) media — B2B and B2C. - *Engineering:* Companies buy campaigns; the system checks each campaign's available budget, proposes partner drivers and, once the proposal is approved, the campaign starts running. React Native and Expo driver app with background GPS telemetry and an offline SQLite queue; Next.js back office with heatmaps. Approved on the App Store and Google Play four months after kickoff; awaiting launch. - *Keywords:* React Native, Expo, Next.js, Firebase, GPS telemetry. 3. **Governo do Distrito Federal (GDF)** - *Domain:* Public-service pages and campaigns. - *Engineering:* Semantic HTML and Tailwind CSS, mobile-first and accessible (WCAG, e-MAG): 32 pages in 2025 and 25 in 2026 through September, with production moving to AI agents; each landing page went from two days of work to two hours once the mobile layout exists. - *Keywords:* Semantic HTML, Tailwind CSS, Accessibility, Mobile-First, AI agents. 4. **SESC DF** - *Domain:* Institutional Enterprise & UX Research Ops. - *Engineering:* User Experience Research Ops triangulating Playwright automated user journeys with Think Aloud protocol, identifying critical friction points in institutional services. - *Keywords:* Playwright, UX Research Ops, Think Aloud Protocol, Next.js. 5. **Chutaí League & Gamão** - *Domain:* Sports Tech & Fan Economy. - *Engineering:* Gamified sports prediction platform with Pari-Mutuel odds calculation engine, ChuteCoins virtual closed-loop currency, and real-time community leaderboards. - *Keywords:* Next.js, Pari-Mutuel Engine, ChuteCoins, SportsTech. 6. **PlayForge Academy** - *Domain:* Corporate EdTech & SaaS B2B. - *Engineering:* Dual-sided enterprise learning SaaS with visual drag-and-drop learning trail builder, AI-driven knowledge evaluation engine (Genkit AI), and gamified employee engagement mechanics. - *Keywords:* Next.js, React 19, TypeScript, Genkit AI, EdTech SaaS. 7. **CRTs PR & SC** - *Domain:* GovTech & Professional Councils. - *Engineering:* Official GovTech portals for Regional Councils of Industrial Technicians (Paraná & Santa Catarina), featuring custom WordPress architecture, PHP 8.2, and SINCETI regulatory integration. - *Keywords:* WordPress Enterprise, PHP 8.2, Tailwind CSS, GovTech. 8. **Conversatio** - *Domain:* Conversational AI SaaS & Automated Testing. - *Engineering:* Commercial WhatsApp conversational SaaS platform: technical leadership, automated E2E test suite using Playwright, and synthetic LLM prompt regression evaluation. - *Keywords:* Playwright, AI Evals, WhatsApp Business API, Prompt Regression. 9. **Media Planning System (client: a startup linked to Record TV)** - *Domain:* AdTech & Broadcast Media Planning. - *Role:* Product Owner. - *Engineering:* System to assemble and manage media plans, with LLM-composed matrices of possibilities. Built by the NetDev team for a startup linked to Record TV. - *Keywords:* LLMs, Media Planning, AdTech. --- ## Career History Summary - **Sep 2025 — Present: NetDev Systems** - *Role:* Tech Lead & Director of Operations. - *Focus:* Technical leadership of software engineering teams; delivery of AI-native SaaS products (PlayForge Academy, Conversatio, Chutaí, Movooh); CI/CD with automated AI code reviews. - **2000 — 2025: NetDev Systems (freelance)** - *Role:* Developer & Product Manager, alongside the full-time roles below. - *Focus:* At least one project a year: internal workflow and request-tracking systems, landing pages and WordPress sites; MySQL, PostgreSQL or Firebase as each client required. - **Jul 2021 — Aug 2025: Artplan** - *Role:* Technology Project Manager & Systems Lead. - *Focus:* Tech project management, automation, and backend systems for major enterprise and government accounts. Built RPA workflows with Power Automate, analytical Power BI pipelines, and worked on backend engineering and systems operations. - **Oct 2019 — Jun 2021: Núcleo de Mídia da Caixa (CEF)** - *Role:* Media Operations & Technology Manager. - *Focus:* Strategic alignment between Caixa's technology infrastructure and national advertising agencies, managing campaign delivery architectures and high-scale operational workflows. - **Sep 2017 — Aug 2019: Exata Tecnologia** - *Role:* Process Architect, BPMN & Systems Development. - *Focus:* Architecture, BPMN modeling, and development of SIGEP (Advertising Management System for Caixa Econômica Federal) — handling end-to-end auditing, invoicing, and national compliance across thousands of media points. - **Feb 2010 — Jun 2017: Spread Teleinformática** - *Role:* Contract Manager. - *Focus:* Federal IT contracts with MDSA, the Ministry of Justice and FNDE, run with Scrum and XP from requirements to QA; delivered SICON, SISPAA and SIGAF. - **Apr 2006 — Feb 2010: MSA Service** - *Role:* Project Coordinator & Senior Systems Analyst (Brazilian Army contract). - *Focus:* SISCUSTOS and SIGAF, from specification to acceptance, under PMBOK governance. - **1994 — 2005: Foundations** - *Organizations:* Gabinete do Vice-Governador do DF (1994), FAP-DF (1995), Politec (1996–2001), STE for DNIT (2003–2004, .NET), Positivo (2004), CEUB (2004–2005, .NET). - *Focus:* Programmer analyst and developer: relational modeling, transactional systems, requirements. --- ## Case Study URLs - Portal das Eleições: https://murbach.me/work/portal-das-eleicoes/ · https://murbach.me/pt/cases/portal-das-eleicoes/ - Movooh: https://murbach.me/work/movooh/ · https://murbach.me/pt/cases/movooh/ - Governo do Distrito Federal: https://murbach.me/work/gdf/ · https://murbach.me/pt/cases/gdf/ - SESC DF: https://murbach.me/work/sesc-df/ · https://murbach.me/pt/cases/sesc-df/ - Chutaí League & Gamão: https://murbach.me/work/chutai/ · https://murbach.me/pt/cases/chutai/ - PlayForge Academy: https://murbach.me/work/playforge-academy/ · https://murbach.me/pt/cases/playforge-academy/ - CRTs PR & SC: https://murbach.me/work/crts-pr-sc/ · https://murbach.me/pt/cases/crts-pr-sc/ - Conversatio: https://murbach.me/work/conversatio/ · https://murbach.me/pt/cases/conversatio/ - Media Planning System: https://murbach.me/work/media-planning/ · https://murbach.me/pt/cases/media-planning/ ## Detailed Resources for LLMs & AI Agents - [Full Extended Dossier (/llms-full.txt)](https://murbach.me/llms-full.txt): Comprehensive deep-dive on architecture, engineering decisions, and leadership methodology. - [Machine-Readable Resume (/resume.json)](https://murbach.me/resume.json): Standardized JSON Resume schema (v1.0.0) for ATS and automated ingestion. - [Canonical Portfolio](https://murbach.me): static bilingual site (EN at /, PT at /pt/), one URL per case study. - [LinkedIn Profile](https://www.linkedin.com/in/rafael-murbach-04b523): Professional network & recommendations. - [GitHub Profile](https://github.com/RafaelRadu): Public code repositories, Next.js experiments, and automation tooling.