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Carlos Mayrinck

Software Engineer

Building scalable systems, designing reliable architectures, and focusing on how things work in production.

Available for work
5+ years exp.

About me

I've led critical platform initiatives including large-scale data migrations, real-time integration pipelines, and observability improvements. My approach combines hands-on execution with architectural vision, balancing scalability, reliability, and maintainability across the full stack.

Throughout my career, I've built systems that move, process, and visualize data at scale—from backend integrations to cloud infrastructure. I focus on designing reliable, observable systems and improving how teams build and operate them, always keeping performance and system behavior in mind, not just launch metrics.

I also write about software architecture and engineering, sharing practical approaches based on real project work.

What I build

Coverage spans the full solution lifecycle, from infrastructure to the interfaces users touch, with a strong focus on reliability and visibility into how systems behave in production.

Infrastructure as Code

Cloud infrastructure provisioned and managed with Terraform, treating environments as versioned, reproducible code rather than manual setup.

Backend & API architecture

Scalable backend services and REST APIs built with Node.js, Express, and NestJS, applying SOLID principles and event-driven patterns to keep systems maintainable as they grow.

Frontend development

Responsive, user-facing interfaces built with React and Next.js, from full SPAs to performance-tuned marketing sites, always with the end user experience in mind.

Data Lake & integrations

Near real-time data pipelines that connect application events to centralized systems, enabling visibility across the entire user journey and downstream analytics.

Observability

Systems instrumented for monitoring, logging, and asynchronous processing, so issues are caught early and system behavior stays visible well beyond the initial launch.