Rostyslav Tulika
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Background

Apprenticeship, my own company and certificates. Plus the tools I work with every day.

Milestones

  1. since 2024

    Apprenticeship: IT specialist for application development

    narz systems GmbH & Co. KG, Herbstein

    Shortened apprenticeship (Fachinformatiker Anwendungsentwicklung), vocational school at Theodor-Litt-Schule Gießen. Work on the web interface of the IIoT platform audako (Angular, Material Design 3, Signals) and on Inframan. Self-directed project: a configuration and diagnostics tool for industrial gateways with Angular and NestJS.

  2. 06/2026

    CCNA: Introduction to Networks

    Cisco Networking Academy

    Next: CCNA Switching, Routing and Wireless Essentials.

  3. in parallel

    Tail Forge Technologies and Faktigo

    My own company

    IT services for small businesses, my own e-invoicing SaaS, and running it all on my own infrastructure.

  4. 03–04/2024

    Short-term employment

    IoT device project

    Front-end features and back-end optimisation with Angular, NestJS and Express, plus setting up Debian on industrial devices.

  5. 07–09/2023

    Software development internship

    Six weeks

    Programming and project work with Angular, Tailwind CSS and MongoDB.

  6. School

    Intermediate school certificate (Fachoberschulreife)

    Oberwaldschule Grebenhain

Tools

Front end

  • Angular (Signals, NgRx Signals)
  • TypeScript
  • Angular Material, Material Design 3
  • RxJS
  • Tailwind CSS
  • SCSS
  • Vite
  • Astro

Back end

  • NestJS
  • Node.js
  • Fastify
  • Express
  • REST
  • MongoDB
  • PostgreSQL
  • Redis
  • Keycloak
  • Strapi
  • .NET, C#

Platform

  • Kubernetes (RKE2, Rancher)
  • Docker
  • Helm
  • Jenkins
  • Longhorn
  • cert-manager
  • nginx
  • Linux (Debian, Fedora)
  • Git, GitHub

Network and security

  • CCNA fundamentals
  • MikroTik
  • L2TP/IPsec
  • IT/OT security basics
  • Working in an ISO 27001 environment

Domain

  • E-invoicing (ZUGFeRD, XRechnung, EN 16931)
  • FinTS, SEPA
  • IIoT, HMI, SCADA
  • UI/UX, Figma

Languages

  • German (native)
  • Ukrainian (native)
  • English (B2)

Also worked with JavaScript, Python, Java, Dart, Flutter and Ionic.

Contact

Questions about a project, elementar-rt or the cluster? Email is fastest.

rostik.tulika@gmail.com

Project requests for Tail Forge Technologies go through tailforge.de.