David Tello
Senior Software Engineering Manager at New Relic
La Guingueta d'Àneu, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolDavid Tello is a senior software engineering manager with over 14 years of hands-on and leadership experience building cloud-native infrastructure and observability at New Relic and prior startups. He specializes in developer-facing instrumentation, open-source integrations (Go, OpenTelemetry, Prometheus), and improving team delivery through process consolidation, automation, and strong coaching. David has a track record of eliminating churn, halving resolution times, and cutting escalations by 70% by removing toil and enforcing testable, reliable engineering practices. His background spans full-stack development from real-time streaming and dashboards to REST APIs and microservices, giving him empathy for both product and platform teams. Based in Catalonia, he combines a pragmatic, metrics-driven management style with a real appetite for innovation—running Innovation Days that routinely feed the roadmap. Colleagues know him as a sponsor-oriented leader who actively cultivates engineers’ careers while keeping high standards for reliability and external contribution responsiveness.
13 years of coding experience
19 years of employment as a software developer
UPC Universitat Politècnica de Catalunya
Catalan, Spanish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (150)
whenever10
npm-package10
infrastructure10
configurator10
flex10
charts10
relic10
api10
auto-discovery10
newrelic10
jmx10
ingest10
monitoring9
helm9
varnish9
Programming languages (12)
Github contributions (5)
lagavasenca/formatgeriadegavas
Jan 2019 - Oct 2022
A Bootstrap 4 start up project for Github Pages and Jekyll
Contributions:23 pushes, 2 branches in 3 years 10 months
bootstrap4start-upbootstrap-4bootswatchjekyll
Recrea-t/campinglamola
Aug 2022 - Mar 2025
Camping La Mola Website
Contributions:2 PRs, 117 pushes, 2 branches in 2 years 7 months
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