Senior Software Engineer · Technical Lead

Juan David Delgado Guzmán

Senior Software Engineer · MSc in DevOps · AI Engineer

Senior Software Engineer and technical lead focused on building scalable, maintainable systems, from backend services and databases to AI-powered experiences. The work bridges solid engineering practices with emerging technologies to solve complex problems and deliver software that truly works.

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01. Experience

Professional track

Full stack engineering, leadership, and AI integrations.

Senior Full Stack Developer · Technical Lead (PRMS)

Alliance of Bioversity International & CIAT · Palmira
Sep 2022 – Present
  • Technical lead of PRMS, a global-scale platform enabling research centers worldwide to efficiently standardize and report their results.
  • Drove Agile/Scrum delivery with Jira, coordinating closely with the Technical Manager and Insight team.
  • Kept all technical solutions aligned with strategic objectives and a global user base.
  • Led backend/frontend development, maintenance, and integrations to hit 99.9% uptime while ensuring scalability, security, and performance.
NestJSExpressJSAngularNext.jsMySQLPostgreSQLAWS (EventBridge, Lambda, OpenSearch)MicroservicesAI / LLM Integrations

Senior Back End Developer

Stealth Startup
Jun 2025 – Present
  • Designed scalable backend services with TypeScript and Hono, following clean architecture principles.
  • Implemented secure APIs for users, listings, reservations, and payments, including MercadoPago integration.
  • Deployed and monitored services on Cloudflare infrastructure (D1, R2) for performance and reliability.
TypeScriptHonoNode.jsMercadoPagoCloudflare D1Cloudflare R2Clean Architecture

Back End Developer

Fundación SARES · Cali
Jan 2023 – Jun 2023
  • Developed backend services with TypeScript, NestJS, and TypeORM to improve operational efficiency.
  • Designed the MySQL layer with optimized queries and strong data integrity.
  • Integrated Amazon S3 for secure, reliable asset storage and implemented CI/CD pipelines on Railway.
NestJSTypeORMMySQLAmazon S3RailwayCI/CD

Full Stack Developer

AMA Publicidad
Oct 2021 – Dec 2021
  • Created a responsive UI with React and Bootstrap for streamlined workflows.
  • Implemented a REST API with Node.js and Express, backed by PostgreSQL for complex data relationships.
  • Deployed on AWS EC2 and integrated Firebase Authentication for secure access.
ReactBootstrapNode.jsExpress.jsPostgreSQLAWS EC2Firebase Auth