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krabhi4/README.md

Kumar Abhishek

Full-stack engineer shipping Next.js products and AI voice agents for US clients,
building self-hosted Rust & Go tools on the side.

Open to remote contract and part-time work. See my work at krabhi4.in or email kabhi87654@gmail.com.

portfolio: krabhi4.in email ghcr packages profile views


About

name:     Kumar Abhishek
role:     Software Engineer @ Xamtac Consulting (remote, since 2023)
location: Patna, India · remote-only · IST, overlaps US mornings
focus:    Next.js / TypeScript · AI voice agents · LLM apps with guardrails
ships:    AI calling platforms · marketplaces · payments · multi-tenant SaaS
side:     Rust + Go self-hosted tools · multi-arch Docker
track:    2,000+ commits across 40+ client projects

Tech

Web (production)

TypeScript Next.js React Tailwind tRPC Prisma PostgreSQL Redis Shopify Stripe Supabase ElevenLabs Twilio LiveKit Claude Sanity

Systems & side projects

Rust Go Axum SQLite Docker GitHub_Actions Cloudflare_Workers


AI products

VoiceDesk   ElevenLabs · WebRTC · Postgres
AI phone receptionist you can call from the browser. Books, reschedules and cancels real appointments, and the database refuses double bookings even when the agent gets it wrong.

AfterCall   LLM · Zod · Next.js
Sales-call transcript in, CRM data out: lead score, action items, pipeline move. The model proposes; code validates the schema and only allows legal stage transitions.

Self-hosted tools

12 multi-arch Docker images on ghcr.io/krabhi4/* · ~1,290 combined pulls.

dload   Rust · Axum · librqbit · ghcr.io
Memory-efficient HTTP + BitTorrent download manager. Streams chunks to disk — runs in 20–50 MB RAM vs aria2's 100–500 MB. REST API + web UI.

rime   Go
Context-aware homelab dashboard. Rewrites every service URL based on window.location.hostname — one deployment serves LAN, mesh-VPN, and reverse-proxy contexts.

tunewright   Rust · ghcr.io
Self-hosted Mp3tag-style web app. Batch-edits MP3/FLAC/M4A/OGG/WAV tags with MusicBrainz lookup, cover art, virtualized grid. Single container, no DB.

gluetun-connector   Rust
VPN-tunnel monitor daemon with auto-recovery. Multi-arch image auto-published via GitHub Actions.

cli-player   Rust
Terminal music player, packaged for Debian via cargo-deb.

byte-meter   Next.js · TS
Bandwidth/storage unit converter. RSC, accessibility-first ARIA + semantic HTML.


By the numbers

~1,290
Docker pulls
across GHCR
12
multi-arch
containers
3+ yrs
remote
full-stack
40+
client
projects

Stats

GitHub stats for krabhi4 Most used languages


Hiring or need a contractor? See krabhi4.in or email kabhi87654@gmail.com.

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