Ivan Maltsev Email & Phone Number

Новосибирск, Новосибирская Область, Россия

• I have been developing and designing one of the most significant systems of the bank - a web application for servicing individuals, which is the main one for the work of more than 5,000 operator employees
• Participated in the design and evaluation of tasks
• Optimized part of the app and significantly accelerated data loading by 200% and reduced the load on the database.
• Developed and carried out code refactoring for product migration from Oracle SQL to PostgreSQL with simultaneous operation of two databases in production
• Conducted a code review, wrote integration tests using JUnit
• Technologies on the project: - Java 17, Spring (Boot, MVC, Data, Security, Cloud), Docker, Kubernetes, RabbitMQ, Kafka, Redis, OracleSQL, PostgreSQL, Git

Новосибирск, Новосибирская Область, Россия

• Developed and maintained a product based on online video conferences
• I have refactored and optimized the web application, thereby speeding up the loading of content by 30%
• Integrated a cryptocurrency payment method (payment system) using ERC 20, BEP20 (Binance-Tokens) using Moralis.API
• Decomposed and evaluated tasks, conducted a code review
• I was introducing interns and junior developers to the position
• Participated in the construction and improvement of (Agile) Scrum processes and supervised the closing of sprints by the team

Новосибирск, Новосибирская Область, Россия

• Engaged in the development and support of the server side of a multi-user web game in Java and JavaScript
• Designed and developed a system of multiplayer, tournament battles in realtime between players
• Technologies on the project: Java, Jetty, Jersey, MySQL, Maven, Git

Новосибирск, Новосибирская Область, Россия

• Developed and maintained web applications using PHP and Javascript