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GendlerYoni/README.md

Yoni Gendler 馃憢

Software Engineer | Backend-Focused

Computer Science graduate from The Open University of Israel, with hands-on experience in Java, Spring Boot, C++, Python, networking, concurrency, and reinforcement learning.

Open to Software Engineer and Backend Engineer opportunities in Israel.

馃殌 Featured Projects

BookAByte

Restaurant reservation web application built with Java and Spring Boot.

The project includes layered backend architecture, Spring Data JPA, reservation and availability logic, BCrypt password hashing, reviews and administration features, and database concurrency handling using pessimistic locking.

It also includes unit and integration tests, including a concurrent reservation test designed to verify that simultaneous bookings cannot overbook the same restaurant.

Tech: Java 路 Spring Boot 路 Spring Data JPA 路 Hibernate 路 Thymeleaf 路 H2 路 Maven

MessageU

Client-server messaging system with a C++ client and Python server communicating over TCP through a custom binary protocol.

The project includes binary serialization, request/response parsing, multithreaded server-side client handling, background client polling, SQLite persistence, and RSA/AES-based encrypted messaging.

The repository also documents the security limitations of the academic protocol rather than presenting it as a production-secure messaging system.

Tech: C++ 路 Python 路 TCP 路 Boost.Asio 路 Crypto++ 路 SQLite 路 Multithreading

Gladiators-RL

Competitive reinforcement-learning environment built with Unity ML-Agents.

Two agents learn sword-and-shield combat using PPO with continuous control, a custom observation space, reward shaping, randomized episode initialization, and policy-network experiments.

The repository includes before/after demonstrations and TensorBoard training results.

Tech: C# 路 Unity 路 ML-Agents 路 PPO 路 TensorBoard

Warehouse-RL

Multi-agent reinforcement-learning environment for package collection and delivery.

Multiple agents learn to locate colored packages, navigate randomized warehouse layouts, avoid obstacles, and deliver packages to matching zones using vector observations, Ray Perception, continuous control, and PPO.

Tech: C# 路 Unity 路 ML-Agents 路 PPO 路 Ray Perception 路 TensorBoard

馃О Technologies

Languages
Java 路 Python 路 C++ 路 C# 路 SQL 路 JavaScript 路 HTML/CSS 路 Bash

Backend & Software Engineering
Spring Boot 路 Spring Data JPA 路 Hibernate 路 Maven 路 TCP/IP 路 Client-Server Architecture 路 Concurrency

Machine Learning
PyTorch 路 Unity ML-Agents 路 PPO 路 DQN 路 NumPy 路 TensorBoard

Tools & Platforms
Git 路 GitHub 路 Linux

Contact

Pinned Loading

  1. BookAByte BookAByte Public

    Restaurant reservation web application built with Java, Spring Boot and Spring Data JPA.

    Java

  2. MessageU MessageU Public

    C++/Python client-server messaging system using TCP, a custom binary protocol, RSA/AES encryption, and SQLite.

    C++

  3. Gladiators-RL Gladiators-RL Public

    Unity ML-Agents project where two agents learn sword-and-shield combat using PPO.

    C#

  4. Warehouse-RL Warehouse-RL Public

    Multi-agent Unity ML-Agents environment for package collection and delivery using PPO.

    C#