Andrzej Raczkowski
Architect And Developer Of Database-Driven Web Apps
Środa Śląska, Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolAndrzej Raczkowski is an experienced architect and developer specializing in database-driven web applications, with over two decades of hands-on expertise in Oracle Database, PL/SQL and a decade-plus in Oracle APEX and BI Publisher. He combines deep backend mastery (OCP, Oracle APEX Expert, SOA Architect) with modern full-stack JavaScript and Python skills, enabling end-to-end solutions for enterprise customers across Europe. At SVIETE he has delivered complex projects for clients like Siemens, Roche and Electrolux, often shaping product direction through a pragmatic, analytical approach. An active open-source contributor, he has enhanced UX for Polish users in the popular Tasmota firmware and helped maintain Termux packaging workflows, reflecting attention to localization and build automation. Collected experience across testing, ETL, GIS and mobile barcode systems gives him a rare blend of data-centric architecture and practical delivery focus.
11 years of coding experience
9 years of employment as a software developer
english language course Semi Intensive English, english language course Semi Intensive English at The English Language Centre (Brighton / Chester / Eastbourne)Postgraduate Diploma Software Engineering in Database Technologies, Postgraduate Diploma Software Engineering in Database Technologies at Wrocławska Wyższa Szkoła Informatyki StosowanejMaster's degree Agricultural Engineering, Master's degree Agricultural Engineering at Wroclaw University of Environmental and Life Sciences
Polish, English, English, Polish
Stackoverflow
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Github Skills (27)
scripting10
firmware10
linux10
termux10
tasmota10
lang10
script10
localization10
build-automation10
package10
packager10
sh10
shell10
software-packaging10
version-control9
Programming languages (16)
Github contributions (5)
termux/termux-packages
Sep 2018 - May 2021
A package build system for Termux.
Role in this project:
Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:8 commits, 9 PRs, 15 comments in 2 years 9 months
Contributions summary:Andrzej's commits primarily involve updating package versions and build scripts within the Termux package build system. They bump versions of various software packages such as `rclone`, `dasm`, `libpcap`, `ne`, and `ttyd`. Furthermore, they address build issues, such as fixing `libllvm` build scripts and initiating the integration of a new package (`open-zwave`). This indicates a focus on maintaining and automating the process of packaging software.
chromebookvnc-serverlinux-distributionlinuxandroid
arendst/Tasmota
Dec 2018 - Apr 2021
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
Role in this project:Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:8 commits, 6 PRs, 49 comments in 2 years 4 months
Contributions summary:Andrzej primarily contributed to localizing the Tasmota firmware, specifically for the Polish language. Their work involved translating user interface strings and adding definitions for various features like KNX, timers, and sensor readings. They fixed typos and added translations for template features, demonstrating a focus on enhancing user experience for Polish-speaking users. The contributions predominantly involved modifying language files to support localized text.
serialhome-automationwebuiesp32esp8266
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