Mike Hamrah
Principal Software Engineer at PayPal
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolMike Hamrah is a principal software engineer and seasoned technology leader with 20+ years building high-scale systems that process billions of events daily, now at PayPal after CTO and VP engineering roles across startups and enterprises. He blends hands-on expertise in Go, TypeScript, Python, Kubernetes, gRPC/Buf, ClickHouse, Kafka and LLM engineering with a track record of delivering measurable business outcomes for media, ride share, HR/payroll, and e‑commerce platforms. Mike has led teams that ingest petabytes of data and deliver hundreds of millions of personalized interactions, emphasizing reliability, cost-efficiency, and extensibility on cloud-native architectures. He also contributes to tooling around protocol buffers and Docker-based builds, improving gRPC/protobuf workflows and CI/CD for production pipelines. Known for pairing strategic architecture with customer-focused delivery, he thrives working cross-functionally to turn complex requirements into pragmatic, production-ready systems. Based in New York with a BA in Computer Science from Vassar, he mixes executive leadership with deep engineering craftsmanship.
12 years of coding experience
22 years of employment as a software developer
Bachelor of Arts (B.A.) Computer Science, Bachelor of Arts (B.A.) Computer Science at Vassar College
English, Spanish
Stackoverflow
9,158reputation
500kreached
11answers
13questions
mocking
top-1%
moq
top-1%
Github Skills (19)
docker10
bash10
dockers10
cicd10
mocking10
dockerfile10
moq10
protocol-buffers9
build-automation9
grpc9
githubaction-workflow8
github-ci8
elasticsearch6
ruby-on-rails6
asp-net6
Programming languages (19)
Github contributions (5)
namely/docker-protoc
Nov 2017 - Nov 2019
Docker images for generating protocol buffer definitions
Role in this project:
DevOps Engineer
DevOps EngineerContributions:1 release, 29 commits, 72 PRs in 1 year 11 months
Contributions summary:Mike primarily focused on enhancing the Docker-based build and deployment processes for the protocol buffer definitions project. They updated the gRPC and protobuf versions, streamlined the Docker build process by consolidating and refactoring Dockerfiles, and introduced a script to push images to a registry. The user also added improvements for testing, testing generation, and building the grpc-gateway.
protocol-buffersbufferprotobufgrpcdocker
mhamrah/ansible-docker
Oct 2014 - Dec 2015
Contributions:4 commits, 1 PR, 1 push in 1 year 2 months
centoscentos-dockeransibleinstallationdocker
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