Cerek Hillen
Staff Software Engineer at Ramp
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolCerek Hillen is a Staff Software Engineer based in Seattle with 13 years of experience building high-performance back-end systems and platform tooling. He has progressed through roles at Lyft and Ramp, advancing from intern to staff engineer while focusing on reliable, production-grade services. An active open-source contributor, Cerek has contributed to the widely used Envoy proxy—adding a gRPC-based access log filter and stream-related implementations—demonstrating deep familiarity with networking and HTTP internals. He blends hands-on engineering and DevOps sensibilities, often touching both test infrastructure and low-level protocol code. Curious by nature (self-described "Software Onioneer"), he brings a practical, systems-first approach to solving distributed-systems challenges.
13 years of coding experience
5 years of employment as a software developer
BSc Computer Science, BSc Computer Science at University of Massachusetts Amherst
Github Skills (9)
grpc10
cprogramming-language9
c-language9
testing8
python8
cloud-native7
mobile-development7
microservices-application7
microservices7
Programming languages (15)
Github contributions (5)
envoyproxy/envoy
Feb 2019 - Mar 2022
Cloud-native high-performance edge/middle/service proxy
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:65 commits, 68 comments, 1 issue in 3 years 1 month
Contributions summary:Cerek contributed to access log configuration by adding a gRPC-based filter to the access log functionality. This involved changes to test files to validate the new filter. The user also worked on implementing and updating stream-related classes, including Stream, StreamCallbacks, EnvoyHttpCallbacksAdapter, and StreamPrototype. Furthermore, the user updated HTTP headers based on implementation experience.
nanoservicesmore-catsgolangcontainersproxy
crockeo/jsonr
Dec 2014 - Jan 2016
Contributions:76 commits, 6 pushes, 1 branch in 1 year
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