Backend Developer

Dedicated and enthusiastic Backend Developer with 61,704+ lines of code (83rd percentile on GitHub). Building AI-powered applications with modern technologies and serving 20+ active users.

const developer = {
name: 'Guy Bernstein',
skills: ['Java', 'Spring Boot', 'Python', 'FastApi'],
linesOfCode: 61704,
githubPercentile: 83,
};

About Me

I'm a dedicated Backend Developer with a solid educational background in computer science and programming.

Hardworking and passionate about creating scalable solutions, I specialize in building AI-powered applications and distributed systems.

Technologies & Tools

J
Java
SB
Spring Boot
PY
Python
PG
PostgreSQL
M
MongoDB
C
Cassandra
R
Redis
K
Kafka
D
Docker
K8s
Kubernetes
AWS
AWS
GCP
GCP
ES
Elasticsearch
JWT
JWT Auth
OAuth
OAuth 2.0
Git
Git

Personal Projects

AI-Powered Platform
Spring Boot + AI

WhatsApp Organizer

Engineered AI-powered message organization platform with Anthropic's AI and WhatsApp Business API. Features intelligent message categorization, advanced search functionality, and secure OAuth 2.0 authentication with Docker containerization for scalable deployment.

Spring Boot Anthropic AI PostgreSQL GCP OAuth 2.0 Docker
Educational Platform
Spring Boot + ChatGPT

AI Learning Hub

Developed educational platform for 6th grade ASD students with ChatGPT integration. Implemented automated lesson generation, customized interactive games, and creative art activities adapted to individual student profiles and learning preferences.

Spring Boot ChatGPT PostgreSQL JWT Auth AWS S3
Web Crawling Platform
Kafka + Elasticsearch

Search Engine

Engineered high-performance web crawling platform with DFS algorithm. Built distributed task processing system using Apache Kafka and Elasticsearch. Features intelligent address extraction, distributed crawling management, and efficient data storage with Redis for rapid retrieval.

Apache Kafka Redis Elasticsearch DFS Algorithm

Background

Bachelor of Science in Computer Science

The Open University of Israel
GPA: 86

Comprehensive computer science education with focus on backend development and scalable architectures.

Military Service - Kfir Brigade 90

Samaria Region
2017 — 2020

Developed leadership skills, discipline, and teamwork capabilities during military service.

Backend Programming Specialization

CodingBC

Hands-on experience and best practices in Backend programming through intensive practical training.

Core Competencies

61.7K
Lines of Code
83rd
GitHub Percentile
2.4
Person-Years of Code
20+
Active Users

Language Skills

Hebrew Native
English Fluent
Spanish Basic

Let's Build Something Amazing

I'm seeking opportunities to join a dynamic and supportive environment where I can contribute to building scalable solutions.