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Omar Haddad
Senior Software Engineer
Rotterdam, NL · omar@haddad.dev · haddad.dev
Summary
Backend engineer with seven years building payment and data services that stay up under load.
Experience
Senior Software Engineer · Kestrel Software
2021 – Now
- ·Rebuilt the billing service, cutting p99 latency from 800ms to 120ms.
- ·Led a 40 service migration to typed contracts with no downtime.
- ·Mentored four engineers through their first production launches.
Software Engineer · Nova Labs
2018 – 2021
- ·Shipped the event pipeline that processes 90M records a day.
- ·Cut infrastructure spend 28% by right sizing the worker fleet.
Junior Developer · Bright Interactive
2016 – 2018
- ·Built internal tooling that halved release preparation time.
Projects
Ledger Toolkit · open source
Reconciliation library running in production at nine companies.
Education
BSc Computer Science · TU Delft
2012 – 2016
Solutions Architect · AWS
2020
Skills
Languages
Arabic (native) · English (fluent) · Dutch (conversational)
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