JC Javier CapaQuality Engineering Let’s talk ↗

Senior Quality Software Engineer

Quality you can
explain.

I turn risk into validation, automation into evidence, and test results into decisions people can defend.

Explore the evidence ↓ GitHub / @javicale ↗
17+
Years in software quality
06
Selected engineering projects
01
Principle: evidence over assumptions
Abstract Quality Engineering system transforming risk and test signals into traceable evidence
Release signal GO LOW residual risk
Evidence gate 13 / 13 deterministic checks
Risk→Validation→Evidence→Decision
Risk-based strategyPlaywrightETL & SQL qualityOpenTelemetryAgentic QEHuman release decisions

Selected work

Systems, labs
and visible evidence.

Six focused projects. Each one makes a specific Quality Engineering decision inspectable—without hiding the limitations.

01Active R&D

AI + Data + Release Evidence

Agentic Quality
Engineering Lab

Probabilistic planning. Deterministic execution. Human release authority.

PLAN90/100
MAPPED5/5
DECISIONGO
Explore project ↗
02Completed

Test Observability

Quality
Observability Lab

From a failed browser check to the exact trace, log and metric that explain it.

browser.test
checkout.api
payment.write
evidence.gate
Inspect the evidence ↗
03Case study

Local AI Evaluation

Local LLM
Quality Assessment

A successful demo is not a production decision. The measured constraints stay visible.

Thinking ON2h 40m

Thinking OFF23m

Read the decision boundary ↗
04Reference

Automation Architecture

Playwright Quality Engineering

Maintainable UI and API checks with evidence designed for diagnosis.

quality-gate.spec.ts
  • ✓ Chromium
  • ✓ Firefox
  • ✓ WebKit
Explore framework ↗
05Playbook

Strategy & Governance

Quality Engineering Playbook

Risk, coverage, evidence and residual uncertainty in one operating model.

Explore playbook ↗
06Private product

Product Engineering

Di Torino / NexoHab

Operational software with access control, evidence and automated regression foundations.

HomesResidentsPaymentsBookingsIncidentsDocs

How I work

Not more tests.
Better decisions.

  1. 01UnderstandBusiness risk
  2. 02DesignValidation intent
  3. 03ExecuteDeterministic checks
  4. 04ObserveSignals & evidence
  5. 05DecideResidual risk

About

Established practice.
Active curiosity.

I’m Javier Capa, a Senior Quality Software Engineer with 17+ years turning software risk into engineering evidence.

I work across strategy, automation, data quality and observability—while exploring where AI can expand validation without weakening deterministic control or human accountability.

Quality StrategyPlaywrightAPI TestingSQL / ETLOpenTelemetryAgentic QEMCPCI Quality Gates

Need quality that survives the release meeting?

Let’s build evidence
people can trust.

Email Javier ↗