José Mendoza
Senior Performance Engineer - Glober at Freelance
Santiago, Santiago Metropolitan Region, Chile
Summary
👤
Senior🎓
Top SchoolJosé Mendoza is a senior performance engineer with 11+ years of hands-on experience helping enterprises—from banks to e-commerce and airlines—make applications faster, more reliable, and cost-efficient. At Globant he designs performance strategies, builds custom testing frameworks and dashboards, and mentors teams in observability and CI/CD practices using tools like K6, JMeter, Grafana, Dynatrace and Kubernetes. A long-time open source advocate and self-taught polyglot, he blends scripting (JavaScript, Shell, Python, Ruby) and cloud expertise (GCP, AWS) with practical DevOps automation to solve complex production issues. His background includes full-cycle consulting and systems administration, giving him a rare perspective that spans pre-sales proposals through implementation and runbook-quality documentation. He’s an active community organizer and speaker who promotes GNU/Linux and free software at conferences and grassroots events, which reinforces his collaborative approach to knowledge-sharing. Comfortable in ambiguous, cross-disciplinary environments, he consistently turns performance insights into measurable business improvements.
11 years of coding experience
4 years of employment as a software developer
Engineer's degree, Computer Science, Engineer's degree, Computer Science at Universidad Centro Occidental 'Lisandro Alvarado'
Spanish, English
Stackoverflow
96reputation
9kreached
1answer
0questions
Github Skills (10)
loadtest10
javascript10
performance-monitor10
load-generator10
performance-analysis10
load-testing10
testing10
s69
k66
go3
Programming languages (10)
Github contributions (5)
jwcastillo/xk6-output-prometheus-remote
Jul 2022 - Sep 2023
K6 extension for Prometheus remote write
Contributions:44 pushes, 13 branches in 1 year 2 months
prometheus-exporterk6-extensionkubernetesprometheusremote-write
jwcastillo/imposter
Nov 2022 - Mar 2023
Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests.
Contributions:14 PRs, 26 pushes, 1 branch in 4 months
mock-servermultipurposescriptabletestingruby-client
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