Software Engineer · Engineering judgment for critical systems
I work on software systems where technical decisions have material consequences for reliability, cost, operational risk, and the people who depend on them.
My focus is turning ambiguity into explicit constraints, reviewable decisions, and systems that remain understandable and reliable under real-world conditions. I am particularly interested in what technical choices commit a system to: its failure modes, operating cost, maintenance burden, dependency exposure, recovery paths, and capacity to evolve without becoming opaque.
My engineering work tends to concentrate on problems where architecture and implementation have operational consequences:
- System architecture — defining boundaries, contracts, dependencies, failure modes, and viable evolutionary paths;
- Reliability — understanding recurring failures, recovery paths, observability, and the structural changes that prevent repetition;
- Cost and risk — evaluating technical choices against operating cost, service requirements, change risk, and long-term maintenance;
- Technical direction — making assumptions, constraints, alternatives, and trade-offs explicit enough to be reviewed and revised;
- Delivery — carrying those decisions through implementation, validation, deployment, and production operation.
The tools depend on the problem. My current work is primarily around C#, Rust, Python, distributed backend systems, relational databases, cloud infrastructure, and Linux.
I write about the reasoning surrounding the code: problem framing, rejected alternatives, dependency boundaries, architecture trade-offs, reliability, and the consequences that become visible after a system reaches production.
Website: azgrom.com LinkedIn: Rafael Lúcio
The website is the canonical record of longer-form engineering notes and case studies. GitHub contains the corresponding implementation artifacts and technical evidence.
The highest function of engineering is adaptation to requirements