kai@sato available

$ ./hello

Kai Sato

Systems Engineer

I build the quiet infrastructure that keeps products fast and boring.

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kai@sato — ~/résumé

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0

years shipping

0+

services in prod

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open-source repos

// about

I work on the unglamorous half of software — the pipelines, queues and runbooks that nobody notices until 3am.

Lately that means platform and developer-experience work: making the path from commit to production short, observable and hard to get wrong.

~/experience

2022 — Present

Staff Engineer · Northwind

Remote

  • › Own the platform & DX org's roadmap; cut median deploy time from 22m to 4m.
  • › Designed the multi-region event bus now handling 2B+ messages/day.
GoKafkak8sTerraform
2019 — 2022

Senior Backend Engineer · Bluewave

Berlin

  • › Built the ingestion pipeline behind the analytics product.
  • › Led the migration off the monolith into typed services.
TypeScriptPostgresgRPC
2016 — 2019

Backend Engineer · Meridian

Tokyo

  • › Payments and billing systems for a fintech product.
RustRedis

~/projects

queue-lite 3.4k

A tiny, dependency-free job queue with at-least-once delivery.

Go
obsd 1.1k

Self-hosted observability daemon — metrics, logs and traces in one binary.

Rust
ts-config-kit 820

Opinionated, zero-config TypeScript presets for services.

TypeScript
k8s-snippets 640

Battle-tested Kubernetes manifests and Helm helpers.

YAMLHelm

~/stack

languages/
GoRustTypeScriptPython
infra/
KubernetesTerraformKafkaPostgresRedis
tools/
gRPCOpenTelemetryGrafanaGitHub Actions

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Let’s build something boring and reliable.

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