Haddas Bronfman
Software Engineer At Epsagon (acquired By Cisco)
Jerusalem District, Israel
Summary
🤩
Rockstar🎓
Top SchoolHaddas Bronfman is a software engineer with over a decade of engineering experience and four years focused on cloud-native observability at Epsagon (now part of Cisco). He specializes in backend JavaScript/Node.js development, OpenTelemetry instrumentation, and building SDKs that deliver traces, spans and metrics for production systems. Previously he designed cloud firewall integrations and monitoring at Check Point, where he improved operational decision-making by owning product telemetry and customer-facing troubleshooting. A pragmatic collaborator and mentor, Haddas combines hands-on coding with system design across databases, AWS, and containerized deployments. Active in the OpenTelemetry community as an approver and contributor to the widely used opentelemetry-js-contrib repository, he brings both open-source rigor and practical production debugging experience.
4 years of coding experience
11 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Science, 89, Bachelor of Science (B.Sc.), Computer Science, 89 at The Hebrew University
English, Spanish, Hebrew
Github Skills (11)
opentelemetry10
javascript10
nodejs10
instrumentation10
aws-sdk10
mysql9
mongodb-database9
testing9
mongodb9
redis9
metric8
Programming languages (11)
Github contributions (5)
open-telemetry/opentelemetry-js-contrib
Dec 2021 - Jan 2023
OpenTelemetry instrumentation for JavaScript modules
Role in this project:
Back-end Developer
Back-end DeveloperContributions:101 reviews, 16 commits, 65 PRs in 1 year 1 month
Contributions summary:Haddas primarily contributed to the OpenTelemetry JavaScript instrumentation libraries, specifically focusing on adding and improving instrumentations for various Node.js modules and AWS SDK integrations. Their work involved adding support for new instrumentations, fixing issues, and enhancing existing instrumentation logic to improve the collection of telemetry data. The user implemented tests for AWS SDK v3 and SQS to guarantee that metrics are captured correctly. Additionally, they refactored and improved existing examples and database reporting metrics.
instrumentationjavascript-modulesjavascriptobservabilityotel
haddasbronfman/opentelemetry-js-contrib
Oct 2022 - Aug 2023
OpenTelemetry instrumentation for JavaScript modules
Contributions:135 pushes, 11 branches in 10 months
instrumentationjavascript-modulesjavascriptobservabilityotel
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.