# Carlos Rojas — Senior Software Engineer | krlz.dev

> Senior Software Engineer who designs reliable distributed systems and production platforms for healthcare, logistics and data-intensive products. Based in Santiago, Chile and available for international remote collaboration.

- [Download CV](https://krlz.dev/Carlos_Rojas_Senior_Software_Engineer_EN.pdf)

Carlos Rojas specializes in Java, Scala, TypeScript, and Python. He has built healthcare platforms processing millions of patient records (FHIR/Medmij compliant), logistics and telemetry systems on AWS, and AI applications using LangChain and RAG architectures. He holds a Master's degree from Innopolis University, Russia.

## Projects

- [kit-a — Architecture & Planning Toolkit](https://kit-a.com/): Browser-based toolkit for system architecture diagrams and Gantt project planning. Co-founded with maryaleks.dev.
- [ZooMinder — Pet Medication Tracker](https://zoo-minder.com/): Android app for scheduling pet medication reminders and tracking treatment histories. Co-founded with maryaleks.dev.
- [Constitutional AI Assistant](https://asistente-constitucional.vercel.app/): AI-powered legal assistant using RAG architecture for Bolivia's constitutional data, designed to prevent hallucinations.
- [Logistics & Telemetry Platform](https://krlz.dev/projects/tracktec-logistics/): Full-stack logistics software at TrackTec with Kafka integration, automated data pipelines, and AWS infrastructure.
- [Healthcare FHIR System](https://krlz.dev/projects/portavita-health-fhir/): FHIR HAPI-based healthcare system for the Tatarstan government with Spring Boot, Python tooling, and Kafka legacy integration.
- [DVZA Healthcare Platform](https://krlz.dev/projects/dvza-healthcare-platform/): Data services platform for Dutch healthcare institutions processing millions of patient records, Medmij and FHIR compliant.
- [Application-Aware Disaster Recovery](https://krlz.dev/projects/acronis-disaster-recovery/): Research at Acronis on disaster recovery and data resilience, published as academic paper at Innopolis University.
- [COFAR Labs Data Systems](https://krlz.dev/projects/cofar-data-systems/): System module improvements and monolith-to-microservices migration for a pharmaceutical laboratory.
- [E-Constitucional](https://krlz.dev/projects/econstitucional/): Bolivia's first free online constitutional encyclopedia, built with the Vice Presidency Office.

## Capabilities

- **Leadership & architecture:** Engineering strategy, technical roadmaps, team mentoring, architecture reviews, system decomposition, distributed systems, event-driven architecture
- **Platform engineering:** Java/Spring Boot, Scala/Akka, Kafka/Kafka Streams, PostgreSQL/Redis, AWS/CDK, Docker/Kubernetes, CI/CD
- **Product delivery:** TypeScript, React/Next.js, Angular, Flutter, testing and quality, performance, observability

## Education

- MSc. Information Technology: Software Engineering — Innopolis University, Russia
- BSc. Systems Engineering — Universidad Nuestra Señora de La Paz, Bolivia
- Software Engineering Specialization — Hong Kong University of Science and Technology
- Functional Programming in Scala — EPFL (École polytechnique fédérale de Lausanne)
- Build RAG Applications — IBM

## Contact

- Email: carlosandresmonserrat@gmail.com
- GitHub: https://github.com/krlz-dev
- LinkedIn: https://www.linkedin.com/in/devcarlos/
- Dev.to: https://dev.to/krlz
- Telegram: @candresmon