Bij4n (B Jean) · GitHub
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Bij4n/README.md

Bij4n

Passionate about computer programming, technology, and security.

Skills

Languages — Ruby · Python · Rust · TypeScript · JavaScript · Go · Swift · Kotlin · SQL
Frameworks — Rails · FastAPI · Next.js · React · React Native · Angular · Tailwind
Data — Postgres · MySQL · MongoDB · Redis · SQLite
Practice — distributed systems · cryptography · applied security · AI agents · agentic systems · human-in-the-loop computing · automation · APIs · self-hosted infra · web & mobile apps · rapid prototyping

Things I've built

  • An autonomous security agent that probes web applications for exploitable flaws end to end — recon, hypothesis, and verified proof-of-concept — without human hints.
  • A multi-agent orchestration framework: a fleet of specialized agents covering planning, review, testing, and release, coordinated through a single command-line interface.
  • A policy-enforcement gateway that mediates what AI agents are permitted to do, with trust scoring between agents and the tools and credentials they reach for.
  • A self-hosted agent runtime where every workload runs on your own hardware and secrets stay sealed in an encrypted file on disk — no cloud dependency.
  • A cross-platform password and encryption toolkit for the terminal, compiled to a single static binary with zero runtime dependencies.
  • A confidence-and-cost task router that dispatches each unit of work to either a person or an AI agent based on accuracy, latency, and price thresholds.
  • A real-time appointment check-in and wait-time system that streams SMS updates and reconciles no-show billing, built on a background job queue.
  • A privacy-first contacts manager that merges scattered exports into one local-only database and runs entirely offline.
  • A self-hosted outreach daemon driven over an encrypted messaging channel that drafts messages with a language model and relays them through a local mail bridge.
  • A fully client-side cryptocurrency profitability calculator with live pricing and no backend — every computation runs in the browser.
  • A bilingual reading app with character-level alignment between translations and semantic search across the full corpus.
  • An AI purchasing agent that reconciles multi-tenant inventory and automates buying across several point-of-sale integrations.
  • A client-side generator that fabricates realistic synthetic identities for testing, with no data ever leaving the page.
  • A local-only scanner that audits and scores the security posture of the AI tooling installed on a workstation.
  • A counterparty-matching platform that brokers anonymous, procedure-aligned introductions before either side reveals its identity.
  • A mobile application for PGP key management and message encryption, with private keys held on-device.
  • An amortization engine and API for loan structures that standard spreadsheets can't express.
  • An API-first contact platform that finds, verifies, and enriches business records over both REST and a tool-calling interface.
  • A utility that subtly perturbs files so they resist being harvested as machine-learning training data.
  • A content-provenance tool that stamps images with cryptographic credentials and tracks where they travel, so a picture can prove who made it and whether it has been altered.
  • A privacy-first estate-planning vault that turns end-of-life logistics into encrypted instructions and letters, released to the right people at the right time.
  • A local-first operations hub for developers that combines project management, a knowledge base, and a command center, with data that never leaves your machine.
  • A privacy-respecting operations platform for independent consultants that keeps client work, time, and deliverables in one place without handing your book of business to a third party.

Pinned Loading

  1. prive prive Public

    A cross-platform password & encryption toolkit for the terminal. Single binary, zero runtime dependencies.

    Rust 4

  2. johndoe johndoe Public

    A simple client-side random person generator for testing and development purposes. Generates realistic-looking fake identities with personal info, contact details, employment, online profiles, and …

    JavaScript 4

  3. btc-mining-calc btc-mining-calc Public

    A comprehensive, client-side Bitcoin mining profitability calculator. No backend, no dependencies — just open it in a browser.

    JavaScript 3

  4. xmr-mining-calc xmr-mining-calc Public

    Monero (XMR) mining profitability calculator — live price & difficulty, CPU presets, no build step

    JavaScript 3

  5. g6 g6 Public

    Forked from garrytan/gstack

    OPTIMI CC SETUP: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

    TypeScript 2

  6. bible-together bible-together Public

    Bilingual Bible study app with character-level highlights, threaded community notes, and semantic search. KJV + RV1909.

    Ruby 3