Bar Isaac Yehudai

Senior software engineer with over ten years experience and 7.5 years of professional software development. Specializing in full-stack development, distributed systems, and functional programming. Seeking opportunities to contribute to innovative technical challenges and architect scalable solutions.

Work Experience

Proggio - Senior Full Stack Engineer

March 2022 - Present

Engineered server-side logic, increasing algorithmic efficiency and resulting in faster data processing for company users
Elevated to lead engineer, managing R&D projects and ensuring on-time delivery of deliverables
Engineered complete AI app architecture, boosting processing efficiency and customer satisfaction through innovative API integration and feature design
Optimized app architecture, resulting in significant performance improvements and smoother user interactions
Successfully transitioned to remote position, leading to increased project efficiency

Pi Club - Full Stack Engineer

September 2021 - March 2022

Maintained and expanded admin dashboard using React with Material UI, holding sole responsibility for the application
Optimized NodeJS application backend, adding cashbacks and stories features, resulting in increased daily active users
Developed intricate Mongoose aggregation pipelines, enhancing admin dashboard data collection capabilities

Proggio - Senior Full Stack Engineer

August 2018 - September 2021

Maintained and expanded front-end application, fixing bugs and developing UI features using React, Redux, and related technologies
Maintained and expanded back-end application, fixing bugs and developing REST routes using Node, Hapi, and related technologies
Authored PostgreSQL scripts to enhance database functionality, seamlessly integrating with Sequelize and MongoDB
Engineered a mobile application from concept to publication on the App Store and Google Play

Projects

Life in Order - Independent

2023 - Present

Full-stack habit tracking application demonstrating advanced problem-solving and technology adoption:

Backend: Built scalable server in Rust using Actix Web, implementing sophisticated data processing and image generation
Frontend: Developed React Native mobile application with complex state management and performance optimization
Innovation: Engineered unique zoom and scroll system serving either raw data or dynamically-generated WebP images based on zoom level (1, 2, 4, or 8 pixels per day), enabling users to visualize months or years of habit data on a single screen without performance degradation
Architecture: Implemented intelligent caching and preloading system that maintains surrounding zoom levels and date ranges for seamless user experience
Demonstrates ability to rapidly learn new technologies (Rust, Actix Web) and architect creative solutions to complex performance challenges

Advent of Code Challenges - Independent

2022 - 2026

ML-type functional programming with static typing like Ocaml or Elixir
Programming algorithms and problem-solving exercises
Continuous skill development in computational thinking

ICO Tube - Independent

Past Project

Integration with Web3, smart contract compilation, and MetaMask interaction
Provided valuable experience in blockchain technologies and independent project management

Education

Tel-Aviv University

2012 - 2018

Bachelor of Computer Science and Electrical Engineering

Relevant coursework: Modern Cryptography, Java, Python, Software Project (Chess game in C), Workshop in Compilation (Python, AVR), Data Structures Project (SQL, SWING), Semiconductors, Digital Logical Systems, Analog Circuits

Technical Skills

Languages: Rust, TypeScript, JavaScript, Python, OCaml, Elixir, F*, C++, Solidity, Swift

Functional Programming: OCaml, Elixir, F*, experience with functional paradigms and immutable data structures

Backend Development: Node.js, Actix Web (Rust), PostgreSQL, MongoDB, REST APIs, event-driven architectures

Frontend Development: React, React Native, React Router, TypeScript, HTML/CSS

Mobile Development: React Native, LynxJS, Android (Kotlin), iOS deployment (App Store & Google Play)

Databases: PostgreSQL, MongoDB, SQL, Sequelize, Mongoose

Tools & Technologies: Git, Neovim, Docker, CI/CD, Remote collaboration tools

Blockchain: Smart contracts, Web3 integration, cryptocurrencies, incentive models

Languages: English and Hebrew (native proficiency in both)

Achievements

International Physics Olympiad Training Camp