Duván Hernández Figueroa
Cloud & DevOps Engineer
Available for projects
Systems engineer with a master's in intelligent applications. Six years taking systems to production on AWS and keeping them standing. Tech Lead at Picap, from Palmira, Colombia, remote.
And in the evenings I make videos about what nobody taught you about the craft.
Spanish native · English B2/C1
Experience
Sep 2021 — today
Tech Lead · Cloud & Infrastructure Engineer
Picap
Led the migration from monolithic systems to highly available microservices on AWS with Docker and Kubernetes. Automated infrastructure as code with Terraform and built the CI/CD pipelines. Drove system observability and FinOps practices to keep cloud cost under control, and integrated AI-assisted automation for routine maintenance, code reviews and incident management.
- AWS
- Kubernetes
- Docker
- Terraform
- GitHub Actions
- Go
Jul 2021 — Sep 2021
Mobile Backend & Infrastructure Engineer
Picap
Designed and maintained high-availability REST APIs and microservices for mobile services. Set up automated deployments, implemented feature flags for controlled rollouts, and handled real-time data synchronisation.
- AWS
- DigitalOcean
- Ruby on Rails
- Flipper
- Bitbucket Pipelines
Mar 2021 — Mar 2022part-time
Full-stack developer (Django)
DAnalytics S.A.S
Built enterprise modules on Django. Modelled relational databases, optimised heavy SQL queries through the ORM, and shipped REST APIs with their own authentication and serialisation.
- Django
- Python
- PostgreSQL
- JavaScript
Sep 2019 — today
Cloud & DevOps consultant · Full-stack engineer
Freelance
Cloud infrastructure on AWS and DigitalOcean with Terraform and Docker for enterprise clients. CI/CD pipelines for microservices in Go, Python and Java, and backend microservices with geofencing and real-time validation.
- AWS
- Terraform
- Docker
- Go
- Python
- Java
- PostgreSQL
- MongoDB
- DynamoDB
Projects
Feed
A carousel and reel editor for Instagram, built to publish daily without opening a video editor. It renders video in the browser itself and exposes its tools over MCP, so an assistant can build a piece without touching the interface.
- Ruby on Rails 8
- PostgreSQL
- WebCodecs
- MCP
Smart Tracking
A complete fleet-tracking system: a Rails API wrapping a third-party provider, a Flutter client with live positions, and the technical and user manuals. Three repos telling one story.
- Ruby on Rails 8
- Flutter
- PostgreSQL
Tunebox
A YouTube Music client for Android and Android Auto, with its own Homebrew tap so it installs with one command. Not a demo: a product with distribution.
- Flutter
- Dart
- Android Auto
- Homebrew
Stock Analysis
A Go service for stock market data, with Echo and GORM over PostgreSQL.
- Go
- Echo
- GORM
- PostgreSQL
Solver MiniZinc
A FastAPI service that solves constraint models with MiniZinc. It came out of the master's degree, and it is the part of the craft an infrastructure CV never shows.
- Python
- FastAPI
- MiniZinc
Tools
Backend
- APIs REST / microservicios6 years
- Go4 years
- Python5 years
- Java / Spring Boot3 years
Data
- MongoDB / NoSQL4 years
- DynamoDB3 years
Cloud and infrastructure
- AWS6 years
- Terraform (IaC)4 years
- Docker5 years
- Kubernetes3 years
- GitHub Actions / CI-CD5 years
Operations
- Observabilidad (NewRelic, DataDog)3 years
- FinOps y coste de nube3 years
- Operación asistida por IA y LLMs2 years
Education
Feb 2024 — Sep 2025
M.Sc. in Computer Science — Intelligent Application Development
Universidad del Valle
Feb 2021 — Jul 2023
Systems Engineering
Universidad del Valle
Aug 2016 — Dec 2019
Information Systems Technologist
Universidad del Valle
Get in touch
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