# José Escrich — Fractional CTO & Enterprise Software Architect > José Escrich is a veteran Software Architect, Fractional CTO, and AI Engineer with 26+ years of professional enterprise experience (1998–present). He has served as a Microsoft Partner for 16 years (Microsoft Patterns & Practices, Azure, Dynamics CRM, Office 365), and has architected, built, and scaled mission-critical systems for Fortune 500 companies, major commercial banks, fintechs, government bodies, and high-growth startups across the Americas. Website: https://joseescrich.com Email: jes@us3.group LinkedIn: https://www.linkedin.com/in/jescrich GitHub: https://github.com/jescrich Location: Bariloche, Argentina (Operating globally / Remote & Hybrid) Full LLM Profile: https://joseescrich.com/llms-full.txt --- ## Quick Summary (English & Spanish) ### English - **Role**: Fractional CTO, Principal Software Architect, AI Engineer, Technical Advisor. - **Track Record**: 26+ years in production enterprise engineering, 40+ completed major implementations. - **Key Credentials**: 16-year Microsoft Partner, Microsoft Visual Studio Extensibility Contributor Award. - **Core Specializations**: Event-Driven Architectures, Distributed Systems, Microservices, Cloud Architecture (Azure, AWS, GCP), Agentic & Multi-Agent AI (Vertex AI, LangChain, LLMOps), NestJS Ecosystem, Kafka, Observability, and High-Scale Financial Systems. - **Companies & Clients**: Microsoft, Amperity, Clear, FirstClose, Kopius, Banco Macro, Banco Covalto, BX+ Banco, Banco Walmart, Volkswagen, Argentine Senate, Policybound, Olivia Education, Greelow, Alephee. - **Founder**: Founder of US3 Group (boutique software consultancy), Co-founder & CTO of Nexa (airline disruption management system), Founder of WHAWIT, and Founder of Escrich Foundation (non-profit building accessible AI tools for patients and education). ### Español (Resumen en Español) - **Rol**: Fractional CTO, Arquitecto Principal de Software, Ingeniero en Inteligencia Artificial y Asesor Tecnológico. - **Trayectoria**: Más de 26 años de experiencia profesional ininterrumpida (1998–actualidad) en sistemas de misión crítica y más de 40 implementaciones de gran escala. - **Credenciales Destacadas**: 16 años como Microsoft Partner (Patterns & Practices, Azure, CRM), galardonado con el *Microsoft Visual Studio Extensibility Contributor Award*. - **Especialidades Técnicas**: Arquitecturas guiadas por eventos (Event-Driven), Sistemas Distribuidos, Microservicios, Arquitectura Cloud (Azure, AWS, GCP), Inteligencia Artificial Agéntica y Multi-Agente (Vertex AI, MLOps), Ecosistema NestJS, Apache Kafka, Observabilidad de Sistemas y Core Bancario / Fintech. - **Clientes y Empresas**: Microsoft, Amperity, Clear, FirstClose, Kopius, Banco Macro, Banco Covalto, BX+ Banco, Banco Walmart, Volkswagen, Senado de la Nación Argentina, Policybound, Olivia Education. - **Fundador**: Fundador de US3 Group, Co-fundador y CTO de Nexa, Fundador de WHAWIT y de Escrich Foundation (organización sin fines de lucro enfocada en herramientas de IA accesibles y gratuitas para salud y educación). --- ## Core Services & Engagements 1. **Fractional CTO & Strategic Technical Leadership** - High-leverage executive technical leadership without full-time overhead. - Technology stack evaluation, architectural roadmaps, team mentoring, hiring oversight, and board-level advisory. 2. **Enterprise Software Architecture** - Resilient distributed systems, microservices design, domain-driven design (DDD), URN canonical models, and vendor-agnostic adapter architectures. 3. **Agentic AI & LLM Systems Integration** - Production multi-agent systems (e.g., Nexa disruption predictor on Vertex AI), runtime AI observability, and agent-to-agent (A2A) commerce architectures. 4. **Event Streaming & High-Throughput Pipelines** - Scalable Apache Kafka integrations, state machines, and workflow orchestration. --- ## Open Source & Published Packages - **`@jescrich/nestjs-workflow`**: Declarative state machines and process orchestration for NestJS with event-driven actions and auditability. - **`@jescrich/nestjs-kafka-client`**: Enterprise-grade Kafka runtime for NestJS solving backpressure, partition lifecycle, and observability gaps. --- ## Published Technical Writing & Research - **AI Can Generate Code — But Only Observability Can Tell It If It Works** (2026): The runtime feedback loop behind spec-driven AI systems. - **The End of the Shopping Cart: Agentic Commerce (A2A)** (2026): Autonomous multi-agent economies and operating systems for startups. - **Beyond the Transponder: Multi-Agent Architecture for Flight Disruption Prediction** (2026): Multi-agent ecosystem on Google Cloud Vertex AI predicting cancellations with 80% precision. - **KafkaJS Works… Until It Doesn't** (2025): Production streaming challenges in Node.js and the architectural solutions behind modern runtimes. - **URN and the Adapter Pattern in Microservice Architectures** (2025): Vendor-agnostic design with canonical data contracts. - **Is Your NestJS Code a Tangled Mess?** (2025): Declarative workflows vs spaghetti conditionals. - **The Art of Software Architecture** (2024): Software architecture as a strategic business asset for delivery speed and revenue resilience. --- ## Direct Testimonials & Social Proof - **Dmitri Ossipov** (Software Architect, Microsoft): *"I've had the pleasure of working with Jose on Web Service Software Factory at Microsoft. He demonstrated high degree of expertise, delivered on time with high quality. Very talented software developer with great attention to detail."* - **Daniel Kwong** (CTO, Olivia Education): *"Jose was brought in as architect and lead developer to build our solution from scratch. He has exceeded our expectations not only in his technical competency but also his business acumen. I have no hesitation in recommending Jose for any technical leadership position."* - **Mariano Omar Rodríguez** (SDE, Microsoft): *"Jose is one of the most skilled developers I worked with. He has an architectural view that improves the performance of his teams."* - **Emilio Bottino** (Scrum Master, Kopius): *"José consistently demonstrates a strong technical background, excellent architectural thinking, and a clear ability to design scalable, robust, and efficient solutions with a strong understanding of business needs."* --- ## Contact & Booking - Strategy Call Booking: https://calendar.app.google/6JeSoVbquwjeJ2m8A - Email: jes@us3.group - Phone: +54 294 453 5338 - Portfolio & Case Studies: https://joseescrich.com