Martin Sloup
Android Team Leader Software Developer at ZENTITY a.s.
Neratovice, Central Bohemia, Czechia
Summary
👤
Senior🎓
Top SchoolMartin Sloup is an Android Team Leader and software developer with 15 years of experience building mobile and backend systems for banking, telecom and retail clients across many countries. He leads teams delivering Kotlin/Java Android apps (Jetpack Compose, MVVM/MVP, Retrofit) while staying hands-on in architecture, CI and API integration. A seasoned Java contributor, he improved scribejava's OkHttp support and contributed board and WiFi/UDP fixes to espressif's Arduino-ESP32 core, reflecting strong full-stack and embedded IoT skills. He combines enterprise-grade mobile development with low-level hardware experience on Arduino, ESP8266/ESP32 and LoRa/TTN, often prototyping connected solutions himself. Based in Central Bohemia, he pairs formal software engineering training with practical POS and EFT communications experience from multi-country projects. His profile blends technical leadership, open-source impact and a curious maker mindset evidenced by geocaching theory and IoT experimentation.
15 years of coding experience
6 years of employment as a software developer
Ing. (Master), Software Engineering, Ing. (Master), Software Engineering at University of West Bohemia, Pilsen
Czech, English
Github Skills (17)
asynchronous10
c-language10
async10
java10
javas10
iot10
sys10
okhttp10
esp3210
embedded10
cprogramming-language10
arduino10
iot-devkit10
oauth10
wifi9
Programming languages (14)
Github contributions (5)
espressif/arduino-esp32
Feb 2017 - Apr 2017
Arduino core for the ESP32
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:10 commits, 10 PRs, 19 comments in 2 months
Contributions summary:Martin primarily contributed to the core Arduino core for the ESP32, a project focused on enabling Arduino IDE support for the ESP32 microcontroller. Their work involved defining and implementing board-specific configurations, specifically for LED and key constants, reflecting a focus on hardware interaction and board support. They also addressed bugs related to WiFiUDP and the FlashStringHelper, showing understanding of ESP32 library code and low-level memory management, also demonstrating experience in embedded systems development by improving the NVS and LEDC software functions.
arduino-coreesp8266arduinoplatformioesp-idf
scribejava/scribejava
Nov 2016 - Nov 2016
Simple OAuth library for Java
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 commits, 1 PR, 1 comment in 1 day
Contributions summary:Martin primarily contributed to the `scribejava/scribejava` repository by implementing support for the OkHttp HTTP client. This involved creating and modifying classes for asynchronous HTTP requests, response handling, and integration with the OkHttp library. The user's commits include adding test cases and fixing issues related to the response stream, enhancing the library's capabilities to support different HTTP methods.
scribejavascribe-javascribejava-httpclientoauth2java
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