Available for collaboration

Senior Software
Developer

Building high-load backends and scalable systems serving millions of users. Python/FastAPI specialist crafting production-grade APIs, security tools, and distributed architectures.

Python FastAPI Scalable Systems Java Kotlin Security Research
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zalexdev@dev ~ profile
$ cat about.json
{
"name": "Zalexdev",
"role": "Senior Software Developer | System Architect",
"stack": "FastAPI, PostgreSQL, Redis, Docker",
"focus": ["high-load backends", "scaling", "security", "LLMs"],
"languages": ["Python", "Java", "Kotlin"],
"scale": "millions of users",
"fun_fact": "I love pizza!"
}
$
12+
Repositories
1600+
GitHub Stars
222+
Followers
200K+
Users
folder_open Featured Work

Open Source Projects

Scalable backends, security tools, and open-source software built for the community

shield
star 700+ fork_right 55 download 140K

Stryker App

Comprehensive mobile penetration testing toolkit for Android. All-in-one solution for security professionals conducting authorized assessments.

Java Android Pentest
public Project Website north_east GitHub arrow_forward
bluetooth_searching
star 700+ fork_right 5
bug_report CVE-2025-36911

WPair

WhisperPair vulnerability scanner for Google Fast Pair protocol. Affects millions of Bluetooth devices worldwide.

Kotlin Security Research
public Project Website north_east GitHub arrow_forward
shield_lock
star 113 fork_right 14

SecurityAddon

Open-source privacy and secure data storage application. Protect your sensitive information on Android.

Java Privacy
View Project arrow_forward
extension
star 12 fork_right 2

AddonApp

NetErnels module loader application. Load kernel modules with a single click or automatically on boot.

Java Kernel
View Project arrow_forward
build Tech Stack

Skills & Tools

code_blocks
Python
bolt
FastAPI
code
Java
data_object
Kotlin
database
PostgreSQL
speed
Redis
deployed_code
Docker
storage
MongoDB
javascript
JavaScript
terminal
Bash
share
Git
computer
Linux
android
Android
cloud
AWS
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Contact

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contact@zalexdev.com
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GitHub

github.com/zalexdev
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Website

zalexdev.com