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Achievement: Pull Shark

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Achievement: Pull Shark

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Absy00/README.md

Albert Banaszkiewicz

Technical Operations & Full-Stack Developer
Node.js · React · Docker · Security-focused Development
https://www.linkedin.com/in/albert-banaszkiewicz00/

Technical Focus

  • Backend Architecture — Building Node.js/Express v5 APIs with WebSocket support (Socket.io), implementing event-driven handlers and CORS security patterns
  • Security Engineering — Contributed Argon2id pepper support to Open Source password hashing library, including Zod schema validation and comprehensive test coverage
  • Containerization — Multi-service Docker Compose orchestration with volume mapping, environment configuration, and service dependencies
  • CI/CD Automation — Implementing semantic-release workflows, Dependabot configuration, security audit pipelines in GitHub Actions

Tech Stack

Category Technologies
Languages TypeScript JavaScript Python GDScript
Backend Node.js Express Socket.io
Frontend React Vite
DevOps & Security Docker GitHub Actions Argon2
Testing & Validation Jest Zod
Data Analysis Pandas Seaborn

Engineering Experience

Open Source Contributions

nodejs-password-hashing — Security-focused Argon2 library
  • Implemented pepper support for Argon2id hashing (PR #34)
    • Added pepper option to optionsSchema with Zod validation (1-1024 chars)
    • Integrated pepper as secret parameter in createArgon2KeyGenerator
    • Wrote comprehensive test suite for pepper verification and validation bounds
  • Enhanced Zod validation logic for edge cases (PR #38)
  • Improved package security with pnpm configuration (PR #39)
  • Set up semantic-release automation (PR #14)
  • Configured Dependabot and security audit pipeline (PR #15, PR #22)
  • Resolved dependency conflicts with @types/node (PR #37)
  • Fixed package distribution issues (PR #28)
Formul.ai — Open Source SaaS Form Builder
  • Implemented 'Other' option functionality for dropdowns, multiple choice & checkboxes (PR #206)
  • Implemented environment-based UI gating with VITE_IS_SAAS flag (PR #182)
  • Built UsageContext for global state management (PR #183)
  • Integrated DodoPayments SDK (PR #167)

Projects

Project Stack Description
realtime-messenger Express v5 · Socket.io · Docker Compose Real-time chat with WebSocket handlers, multi-container orchestration
retail-performance-analysis-eda Python · Pandas · Seaborn EDA of retail transactions, KPI identification

Education

Degree Focus Institution
M.A. Digital Cultures (2025-2027) Data Analysis · Digital Content Strategy University of Opole
B.A. Game Studies (2022-2025) Game Programming · Godot Engine (GDScript) University of Opole

Technical Upskilling & Documentation

Delivering IT workforce training: Office 365, Google Workspace, WordPress CMS automation, process documentation.

Warsaw, PL · Open to hybrid/remote
English C1

Pinned Loading

  1. realtime-messenger realtime-messenger Public

    Proof of Concept — Event-driven real-time messenger with Node.js + Socket.io + React (Vite). Demonstrates WebSocket communication with Docker Compose dev stack. Auth, DMs, presence & typing indicat…

    JavaScript 1

  2. opendexcom/formul.ai opendexcom/formul.ai Public

    Code of forms. Powered by AI. Open source project

    TypeScript 22 2

  3. Filipo11021/nodejs-password-hashing Filipo11021/nodejs-password-hashing Public

    TypeScript