Software Engineering Team Lead

• May 2022 - Present

Leading high-throughput/low-latency systems development for real-time ads bidding and fraud detection Major fields: Cyber-Security, Big Data and Cloud Computing Skills-Set: NodeJS (TypeScript/JavaScript, NestJS, Jest, Cypress), Go, Docker Containers, AWS, Messaging (Kafka, RabbitMQ), Databases(postgress, Snowflake), Git (GitHub), CI/CD (GitHub Actions) Leading high-throughput/low-latency systems development for real-time ads bidding and fraud detection Major fields: Cyber-Security, Big Data and Cloud Computing Skills-Set: NodeJS (TypeScript/JavaScript, NestJS, Jest, Cypress), Go, Docker Containers, AWS, Messaging (Kafka, RabbitMQ), Databases(postgress, Snowflake), Git (GitHub), CI/CD (GitHub Actions)

Sr. Data/Server Engineer

• Sep 2021 - May 2022

Built a Batch API for a world-class shopping intelligence platform (Similarweb Shopper Intelligence). Tech Stack: NodeJS, JavaScript/TS, Python, Git, Databricks, Apache Spark, AWS, Airflow, Terraform Built a Batch API for a world-class shopping intelligence platform (Similarweb Shopper Intelligence). Tech Stack: NodeJS, JavaScript/TS, Python, Git, Databricks, Apache Spark, AWS, Airflow, Terraform

Sr. Backend Engineer

• May 2019 - Sep 2021

1. Led Chegg's backend authentication workflow and identity management R&D by applying state-of-the-art industry practices 2. Functioned as the team's cyber-security SME As part of these responsibilities, I was in charge of leading, designing, and developing highly scalable, performant, and secured cloud-based distributed microservices as a replacement for a legacy monolith, such as building services that authenticate users, prevent account sharing (device fingerprinting), integrating real-time fraud detection & prevention services, OAuth 2.0 & OIDC providers and 3rd-party auth vendors as Auth0, PerimeterX, etc. Tech stack includes: AWS/ECS/DynamoDB/DAX/API Gateway/CloudFront, Docker, apigee, Java, PHP, nodeJS/TypeScript, Git, Jest, GraphQL & REST APIs, HTTP, Apollo OneGraph, New Relic APM & Logs One of Chegg's main challenges I took a significant part in:

Lead Full-Stack Software Engineer

• 2017 - 2019

Leading the architecture & development of various full-stack cybersecurity products using the following skills & tech stack: Javascript (ES6), TypeScript, node.js, react.js, electron.js, stream processing, Python, REST APIs, .NET(C#), MySQL, VS Code, Git, Jenkins, AWS (EC2) Soft skills: mentorship, holding professional interviews, code reviewing and technology leadership. Leading the architecture & development of various full-stack cybersecurity products using the following skills & tech stack: Javascript (ES6), TypeScript, node.js, react.js, electron.js, stream processing, Python, REST APIs, .NET(C#), MySQL, VS Code, Git, Jenkins, AWS (EC2) Soft skills: mentorship, holding professional interviews, code reviewing and technology leadership.

Sr. Backend Software Engineer

• Mar 2016 - Jun 2017

Transformed monolith legacy system into a new SOA architecture by designing and developing new cloud-based social micro-services (including their UI) for the purpose of processing incoming registration & login requests in real-time as part of Gigya’s core services. Tech Stach & skills: .NET / C#, XUnit, NODE.JS / JavaScript / ES6, REST APIs, JSON data processing, MySql, NoSql / MongoDB, Client-Side:, JS, CSS, HTML, AngularJS, IDE: VS, VS CODE, Git, Microsoft Orleans framework, Microservices Architecture Pattern and Agile methodology (scrum)

Backend Software Engineer & Software Development Team Lead

• Mar 2013 - Mar 2016

Implemented a tax withholding server that its major goal was to cope with complex emerged worldwide tax compliance regulations (FATCA). We developed the next software solutions to handle it wisely by utilizing top-notch technologies in order to meet strict standards. Lead from requirements analysis to delivery by running a team of 5 software engineers. It was reflected in the form of technically mentoring, code reviewing, pair-programming, tasks generation, work planning and tracking. Involved skills & technology stack: NET/C#, EntityFramework, Windows Services, WPF, data serialization, real-world design patterns, IBM Queue (message processing), Oracle DB, DataGrid computation, MS-TEST, Agile methodology (scrum), XML processing, Team Leadership, and mentorship

Full Stack Software Developer

• Jul 2010 - Mar 2013

Please contact me via a private message to receive additional details. Technology Stack: .NET, C#, EntiryFramework, ASP.NET MVC, REST, JavaScript, jQuery, MSSQL, CSS, HTML, JSON Please contact me via a private message to receive additional details. Technology Stack: .NET, C#, EntiryFramework, ASP.NET MVC, REST, JavaScript, jQuery, MSSQL, CSS, HTML, JSON

Full Stack Software Developer

• Feb 2008 - Jul 2010

Please contact me via a private message to receive additional details. Please contact me via a private message to receive additional details.

Full Stack Software Developer

• Dec 2006 - Feb 2008

IT Administrator

• Nov 2001 - Nov 2004

MAMRAM Unit certification MAMRAM Unit certification