Daniel Okafor
Senior Software Engineer
daniel.okafor@example.com · +1 (415) 555-0142 · Seattle, WA · https://danielokafor.dev · https://github.com/dokafor · https://linkedin.com/in/danielokafor
Summary
Backend engineer with 6 years building payment and identity systems at scale. I like unglamorous work: cutting p99s, deleting dead code, and making on-call quiet.
Experience
Senior Software Engineer
Northwind Payments · Seattle, WA
- Cut checkout p99 latency from 1.9s to 340ms by replacing synchronous fraud checks with an event-driven pipeline.
- Led the migration of 40 services off a shared database, removing the last single point of failure in the platform.
- Reduced on-call pages 70% by adding idempotency keys to the settlement path.
- Mentored 4 engineers; two were promoted within a year.
Software Engineer
Halcyon Labs · Portland, OR
- Built the public API now serving 12k businesses and 90M requests a month.
- Introduced contract testing, cutting integration regressions by roughly half.
Education
University of Washington
B.S., Computer Science
Skills
LanguagesExpert
InfrastructureAdvanced
PracticesAdvanced
Projects
ratelimit-go
https://github.com/dokafor/ratelimit-go
Open-source token bucket limiter for Go services. 1.4k stars, used in production by three companies.
Languages
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Backend-leaning full stack, five years, with impact stated in numbers.
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