Author of jq-lite β a jq-compatible JSON processor written in pure Perl.
Linux / Infrastructure Engineer based in Tokyo.
I'm a Linux engineer and open-source tool author focused on long-term stability
and practical tooling for real-world infrastructure.
I design and build tools that continue to work in:
- legacy or restricted Linux environments
- minimal containers and air-gapped systems
- large-scale, long-lived enterprise infrastructure
A jq-compatible JSON processor written in pure Perl, designed for:
- no external binaries
- no native libraries
- stable CLI behavior over time
Used in:
- minimal Linux distributions
- CI / container environments
- legacy systems where jq cannot be installed
π Project: https://github.com/kawamurashingo/JQ-Lite
- Stable CLI tool design
- Infrastructure as Text
- Legacy system survivability
- Automation with shell and Perl
| Category | Stack |
|---|---|
| Languages | Shell (bash), Perl |
| OS | CentOS, Rocky Linux, RHEL |
| Virtualization | VMware ESXi |
| Storage | NetApp cDot (NAS) |
| Network / CDN | Akamai |
| Cloud | Azure, GCP |
Rakuten, Inc. β 2011 to Present
Worked across system administration, SRE, and technical account management roles.
- Large-scale datacenter migrations (1,000+ systems)
- Infrastructure modernization and cloud adoption
- SSL / CDN / load balancer migrations
- Enterprise storage and VM platform transitions
- π Qiita β automation, Perl, infrastructure topics
https://qiita.com/pannakoota - π‘ GitHub β open-source tools and infrastructure utilities
https://github.com/kawamurashingo
π Tokyo, Japan
π LinkedIn: https://www.linkedin.com/in/shingo-kawamura-20452443