Juan David Delgado Guzmán · Senior Software EngineerI design, ship and run software that keeps working in production.

Technical lead at the Alliance of Bioversity International & CIAT and consulting engineer for product teams. I own systems end to end: architecture, APIs, async workflows, cloud and the AI features that sit on top.

Now
Tech Lead at CIAT · Consulting for Verzus
Based in
Cali, Colombia
Local time
—
Email meSee my work

Good software is quiet. It handles the retry at 3am, the payment that times out and the user nobody planned for.

01 · Experience

Where I have been building

  1. Sep 2022 – Present

    Alliance of Bioversity International & CIAT

    Palmira, Colombia

    Senior Software Engineer · Technical Lead

    Technical lead for PRMS, the platform research centers worldwide use to standardize and report their results.

    • Own backend architecture and technical delivery for PRMS while staying hands on with implementation and production support.
    • Kept 99.9% uptime while evolving the architecture, observability, security and reliability practices.
    • Built distributed microservices with NestJS, RabbitMQ and AWS, including PDF report generation and file management, with async processing, retries and failure recovery.

    NestJS · Node.js · Angular · Next.js · RabbitMQ · AWS · PostgreSQL · MySQL · MCP · Bedrock

  2. Apr 2026 – Present

    Verzus

    Colombia

    Consulting

    Full Stack Software Engineer

    Architecture owner for a production sports booking platform, from frontend to infrastructure and third party integrations.

    • Defined the APIs and transactional workflows for reservations, Nequi payments and WhatsApp verification.
    • Built resilient async processing with the Outbox pattern, Cloudflare Queues, Email Workers and scheduled jobs.
    • Automated deployments across Vercel and Cloudflare with validation built into the delivery pipeline.

    Next.js · Hono · Supabase · PostgreSQL · Cloudflare Workers · Cloudflare Queues

  3. Jan 2026 – Aug 2026

    Ciclonecta

    Colombia

    Consulting

    Full Stack Software Engineer

    Designed and owned the architecture of a B2B marketplace across frontend, backend, data and cloud infrastructure.

    • Defined domain workflows, service boundaries and consistency rules for listings, offers, negotiations and authentication.
    • Implemented reliable delivery with the Outbox pattern and durable queues for retries and failure recovery.
    • Shipped conversational and multimodal AI inside real marketplace workflows, not as isolated prototypes.

    Next.js · Supabase · PostgreSQL · GCP · Queues · AI agents

  4. Jun 2025 – Dec 2025

    Alohados.com

    Colombia

    Consulting

    Senior Backend Developer

    Backend lead for a mobile first SaaS for property management and reservations.

    • Designed the backend with TypeScript and Hono, using Clean Architecture to keep business logic apart from infrastructure and providers.
    • Built secure APIs for users, listings, reservations and payments, including the MercadoPago integration.
    • Deployed and monitored services on Cloudflare (D1, R2) with explicit handling for failures and production readiness.

    TypeScript · Hono · Node.js · Cloudflare D1 · Cloudflare R2 · MercadoPago

  5. Jan 2023 – Jun 2023

    Fundación SARES

    Cali, Colombia

    Backend Developer

    Built a web based inventory and supply management system for a non profit organization.

    • 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 asset storage and set up CI/CD pipelines on Railway.

    NestJS · TypeORM · MySQL · Amazon S3 · Railway

  6. Oct 2021 – Dec 2021

    AMA Publicidad

    Cali, Colombia

    Full Stack Developer

    Built a custom CRM with a live production chart to manage customers, orders and machinery.

    • Created a responsive UI with React and Bootstrap for day to day workflows.
    • Implemented a REST API with Node.js and Express on top of PostgreSQL.
    • Deployed on AWS EC2 with Firebase Authentication for secure access.

    React · Node.js · Express · PostgreSQL · AWS EC2 · Firebase Auth

02 · Stack

Tools I reach for

Languages
TypeScript · JavaScript · Python · SQL
Backend & systems
Node.js · NestJS · Hono · Express · FastAPI · REST · GraphQL · Microservices
Frontend
Next.js · React · Angular
Cloud & infrastructure
AWS · Cloudflare Workers · Vercel · Docker · Kubernetes · Terraform · GitHub Actions
Data
PostgreSQL · MySQL · Supabase · Redis · DynamoDB · MongoDB · OpenSearch
Architecture
Event driven systems · Clean Architecture · Outbox pattern · Async processing · Observability
AI engineering
MCP · AI agents · Tool calling · OpenAI · Amazon Bedrock · Claude · Multimodal AI
How I work
Spec driven development · GitHub Spec Kit · AI reviewer agents · Agent harnesses · Claude Code · Codex · OpenCode · Cursor · CI/CD

03 · Education

Where I learned

  1. 2025 – 2026

    Master's Degree in DevOps (Development and Operations)

    UNIR · Official degree · Thesis on secure microservices automation on Kubernetes

  2. 2025 – 2026

    Advanced University Program in AI for Software Development and DevOps

    UNIR · 300 hours · 12 ECTS

  3. 2024

    AWS Cloud Solutions Architect Specialization

    Amazon Web Services · Coursera

  4. 2017 – 2022

    Informatics Engineering

    Universidad Autónoma de Occidente

  5. 2021

    Security in Web Application Development

    Pontificia Universidad Javeriana (edX)

  6. 2021

    Introduction to Cybersecurity

    Cisco Networking Academy

  7. 2008 – 2015

    English Program

    Colombo Americano

04 · Contact

Have something that needs to hold up in production?

I reply within a day or two. Tell me what you are building and where it hurts.

juandelgadog98@gmail.com