Jeet Karena

Computer Engineer · Distributed Control Planes · Low-Latency Tooling

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⚡ Select Engineering Work

zfish — Cross-Platform CLI Runtime (Rust)

High-performance terminal application framework with zero external runtime dependencies. Engineered for minimal binary size, fast cold-start, and ergonomic API surface across Linux, Windows, and macOS.

Performance & Design:

• Static binaries < 1 MB
• Zero-copy I/O via mmap syscalls
• Work-stealing async scheduler
• ANSI / true-color terminal support
• Modular component system (prompts, tables, progress bars)

Hybrid K8s Mesh — Multi-Cloud Control Plane (AWS EKS ↔ Azure AKS)

Terraform-driven Infrastructure-as-Code topology with GitOps workflows and zero-trust Cilium networking. Built for resilient cross-cluster service routing and automated disaster recovery.

Scale & Reliability:

• 40+ nodes across multi-cloud regions
• < 30 s automated failover RTO
• 15+ cross-region services in active-active mesh
• Zero-trust network policies (Cilium + eBPF)

Home Lab Cluster — Bare-Metal vSphere Hypervisor

Production-parity environment for control-plane chaos engineering. Full observability pipeline: OpenTelemetry → Prometheus → Grafana.

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🛠️ Technical Vector

Domain	Tools
Systems Languages	Rust, C++, C, Python, TypeScript
Control Plane	Kubernetes (EKS / AKS), Docker, VMware vSphere, Linux (Debian / RHEL)
Communication	gRPC, REST, WebSockets
Storage & Caching	PostgreSQL, Redis, MongoDB
Infrastructure	Terraform, Ansible, GitHub Actions, Jenkins
Observability	OpenTelemetry, Prometheus, Grafana, Distributed Tracing
Tooling	VS Code, Vim, Bash

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📊 Live Telemetry

🤝 Connect

• Professional: linkedin.com/in/jeetkarena01
• Code: github.com/JeetKarena
• Q&A: StackOverflow
• Algorithms: leetcode.com/jeetkarena3
• Secure: karenajeet@proton.me