John Guerrero

AI/ML Engineer

SoluLab

Jan 2023 - Current (3 years 7 months)

• Developed a production multi-agent AI orchestration service (FastAPI, Anthropic Claude) for hotel staff operations, integrating WhatsApp/Telegram messaging, tool-based Laravel API automation (task creation, cab booking, escalation routing), and PostgreSQL-backed conversational memory on Google Cloud Run. • Designed and built a LangGraph-based multi-agent system with specialized domain agents, shared graph/vector memory, HITL controls, and FastAPI/React stack to automate cross-functional business workflows from vision intake to PDF report delivery. • Engineered a end to end RAG-MCP pipeline for a DeFi Risk Agent, enabling real-time estimation of Ethereum wallet risk by integrating transaction history, balances, and multi-protocol active po

Data Engineer / Software Engineer

Andersen Lab

Aug 2020 - Dec 2022 (2 years 5 months)

• Architected and implemented large-scale ETL/ELT data pipelines for ingestion, transformation, and enrichment of multi-source datasets, powering downstream machine learning models and analytics platforms. • Designed scalable data storage and processing solutions using AWS EC2, RDS, Redshift, S3, and Glue, ensuring high availability, cost efficiency, and optimized query performance for batch and streaming workloads. • Developed and optimized RESTful APIs in Python, enabling seamless interaction between microservices, data pipelines, and real-time processing systems. • Collaborated closely with data scientists to productionize machine learning models, building feature pipelines, model-serving endpoints, and monitoring workflows to support da

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Software Engineer

Archr

Jul 2019 - Jul 2020 (1 year 1 month)

• Led the development of Archr's sustainability scoring SaaS platform end-to-end, building a production UI (React.js) and backend services (Python/Fast API) used by commercial brands. • Designed a distributed microservices architecture using Docker Kubernetes, enabling scalable ingestion of product data and parallel execution of sustainability scoring models. • Implemented CI/CD pipelines using Cloud Build + GKE, reducing deployment friction and accelerating feature delivery velocity. • Integrated core GCP services for production workloads: • Cloud Storage as primary data lake for ingestion artifacts and LCA datasets • Cloud Functions for compute triggers and event-based batch workflows • Cloud SQL (PostgreSQL) for transactional storage and

Full Stack Developer

Unit4

Oct 2017 - Jun 2019 (1 year 9 months)

• Led development of dynamic, high-performance front-end applications using React, Redux, and TypeScript, delivering seamless user experiences across multiple features and product workflows. • Architected and implemented scalable RESTful APIs using Node.js, Express, and MongoDB within a microservices-based architecture, ensuring high throughput and maintainability. • Integrated GraphQL with Apollo Client/Server, reducing over-fetching, improving data access efficiency, and simplifying client-server communication patterns. • Developed server-rendered React applications using Next.js, improving SEO performance, reducing page load times, and enhancing conversion rates for e-commerce platforms. • Containerized services with Docker and orchestra

Intern Software Developer

Unit4

Jun 2017 - Oct 2017 (5 months)

• Contributed as a key member of the engineering team in building an internal, scalable web application used across multiple departments. • Applied principles of product lifecycle management to support the full development cycle of the internal web application, spanning from initial implementation and feature building to rigorous testing and iterative improvements. • Collaborated with cross-functional teams to identify and address user needs, ensuring the final software solution was scalable and optimized to enhance operational efficiency for internal users.

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