Garry Levin Email & Phone Number

Kharkiv, Ukraine

Canada

• Project on developing a multifunctional browser extension. Features include screenshots, video screen recording, bookmarks, webcam footage, audio recording, page testing (checkers), verifying links used in page.
• Using Lighthouse (Google), axe-core (AXE-library), and Observatory (Mozilla) libraries, developed a set of 5 checkers and 2 servers from scratch, based on Express and Socket.IO, to verify the functionality.
• Developed and implemented a high-performance algorithm for scanning documents, searching for links, and verifying their validity using Cheerio, Axios, Fetch, and Lodash libraries. This resulted in a more than 10-fold.
• Developed an extension system that allows users to access their data from multiple devices by storing user data in cloud storage, with a built-in data synchronization algorithm and multi-level fault tolerance, using.
• Designed an intermediate server to protect user data, monitor, and fix errors. Ensured proper data synchronization under conditions with up to 40% packet data loss due to network issues.
• Involved in designing and implementing user interfaces as part of a team consisting of 2 additional developers and 2 QA engineers. Authored 5 user manuals for various components for the company's clients.

Ukraine

• Developed specific databases and servers for 7 mobile application projects from start to finish working in teams of 2 to 5 developers. Actively participated in application testing and bug fixing to ensure smooth.
• Developed and implemented a database to support the creation of complex product lists, including product sets, groups, and tags, as well as the creation of multifaceted products comprised of various elements, with the.
• Developed a server integrated with the database, enabling product search, order creation and processing, as well as tracking of order statuses, payments, and deliveries to clients, utilizing technologies such as SQL.
• Created a user registration system for different user types: administrators, moderators, authors, and students. Developed a database access permission system for different users with jsonwebtoken, Passport, Nodemailer.
• Organized the storage of user data, lecturers, and lectures, and formulated program lists based on various parameters (payment, interests, new lectures, etc.) using SQL, Express, Sequelize, pg, pg-connection-string.
• In a team of three programmers, developed a mobile application and a database server for learning English.

Ukraine

• Collaborated with a team of five programmers to develop web applications and database servers.
• Designed user interfaces emphasizing visual accessibility and clarity while optimizing the number and structure of control elements.
• Developed databases for data collection, storage, and processing, and created algorithms to ensure data integrity and accuracy.
• Engineered systems for data protection, backup, and recovery to safeguard critical information.
• Designed and implemented a client chat system, enabling customers of a trading company to engage in product discussions, share opinions, and create channels and groups for internal communication.
• Contributed to a 10% increase in the company's customer base through the successful implementation of the chat system.