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JakubOdyssey/README.md

Jakub Gajewski

Software & Systems Engineer

I build secure software platforms, backend systems, game services, cloud infrastructure, and production environments.

My work spans business software, game/server development, VPS and cloud engineering, integrations, automation, and security-focused system design.

Core Areas

  • Software & Systems Engineering
  • Game Development & Game Server Architecture
  • VPS / Cloud Infrastructure
  • Backend Systems & Integrations
  • Security-Focused Architecture
  • Web Applications & Product Platforms

Selected Work

Ghost OS

Modular system architecture focused on integrations, filesystem abstraction, policy-driven capabilities, and extensibility.

ClientFlow

Business systems, internal platforms, CRM, HR, workflow and operational tooling.

ClientFlow Portfolio

Kiyo

Application ecosystem connected with a live web platform.

Kiyo Cloud

Game & Server Engineering

Development and maintenance of game servers, custom server systems, Rust servers, private game environments, and large-scale Metin2 development.

Technologies

Languages & Development
TypeScript · JavaScript · SQL

Platforms & Frameworks
Node.js · Next.js · React · Supabase · Appwrite

Infrastructure
Linux · VPS · Cloud · Networking · Reverse Proxies · Deployment

Engineering
APIs · Authentication · Integrations · Databases · System Architecture · Testing · Automation

Security
Access Control · Secure Authentication · Secrets Management · Infrastructure Hardening · Abuse Prevention · Secure System Design

Current Focus

  • Building production-grade software systems
  • Game server architecture and development
  • Cloud / VPS infrastructure
  • Security-focused system design
  • Ghost OS
  • ClientFlow systems

Pinned Loading

  1. AtlasDB AtlasDB Public

    Transactional embedded storage engine in C++20 with B+ tree indexing, WAL, crash recovery, buffer management and chaos testing.

    C++

  2. AEON AEON Public

    Evidence-driven binary-format inference engine in Rust with structural discovery, parser generation, round-trip validation and independent blind evaluation.

    Rust

  3. legacy-gr2-unreal-pipeline legacy-gr2-unreal-pipeline Public

    Research-oriented conversion and validation pipeline for legacy Granny/GR2 skeletal assets targeting Unreal Engine.

    Python

  4. ghost-os ghost-os Public

    Long-term personal AI operating system for memory, planning, automation, integrations and connected environments.

    TypeScript

  5. kiyo kiyo Public

    Cloud hosting and domain management platform combining a public service website with an authenticated customer dashboard.

    TypeScript

  6. flowtrack-transport-platform flowtrack-transport-platform Public

    Transport operations and fleet management platform with live vehicle tracking, load planning, maintenance, analytics and operational tooling.

    TypeScript