radoslaw@resume: ~
$ whoami
Radosław Jaszek
Software Developer — Full Stack, moving into React
$ cat contact.txt
Marki, Poland  ·  rjaszek@gmail.com  ·  +48 609 580 340  ·  linkedin.com/in/radoslaw-jaszek
Software developer with 20+ years of experience across the full stack. Strong foundation in HTML, CSS, C#, VBA, JavaScript, and SQL databases (MySQL, PostgreSQL, MSSQL), plus hands-on experience with Selenium and WebDriver for browser automation and testing, using Git and CI pipelines throughout. Brings practical, cross-platform experience to modern frontend development — someone who understands not just how to build a UI, but how it fits into the systems and workflows around it. Actively building React skills to complement this background.

Core stack

C# JavaScript HTML / CSS VBA .NET Blazor WPF MVVM

Data & infra

MSSQL MySQL PostgreSQL Linux Bash

Testing & tooling

Selenium WebDriver WebDriverProxy Git CI pipelines

Currently learning

React.js

Languages

Polish — native
English — fluent
experience --log
Co-founder & Systems Engineer 2021 — present
Rhoster.pl
  • Co-founded rhoster.pl, a dedicated WordPress and Node.js hosting provider
  • Manage Linux hosting infrastructure for retail clients including CCC, Eobuwie, Modivo, Sportano, and Domar
Analyst / Programmer / Project Manager 2007 — 2026
Risco Software Sp. z o. o.
Long-term contractor placement for Citi Handlowy bank
  • Owned the full cycle: requirements, development, testing, deployment, user training, documentation, and managing a team of developers
  • DEToolBranch — account-opening automation with full validation and business logic, integrating with internal banking systems. Used by 250 users across Poland. C#, WPF, API, SQL, Selenium, Git, Bitbucket
  • BranchCardManager — internal payment card management system: issuing, ordering, and reporting. Used by 250 users. C#, Blazor, API, SQL, Git, Bitbucket
  • MultiTool — payment settlement, refund, and transfer management, handling ~200 instruction types for 160 concurrent users. VBA, C#, SQL, API, Selenium, Git, Bitbucket
  • WebDriverProxy — installable library enabling Selenium automation from VBA without admin rights. C#, Selenium, Git
  • VBS EUC installer — centralized deployment tool for internally built utilities, used by close to 1000 users for over 15 years. VBS, VBA
education
Master of Economics — Specialization in E-business
University of Economics in Wrocław
2002 — 2007
Parallel technical studies — Automatics & Robotics, Computer Science
Wrocław University of Technology (studied alongside the Economics degree)
2002 — 2005
notes
Enthusiastic about programming across a wide range of technologies — building personal projects in free time, currently focused on React.js. Also enjoys traveling and cycling.