Yerassyl Kelsingazin

Middle Back End Developer at Crystal Spring
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Contact Information
us****@****om
(386) 825-5501
Location
Kazakhstan, KZ

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Experience

    • Kazakhstan
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Middle Back End Developer
      • Sep 2022 - Present

      Projects: The largest banks in Kazakhstan, Kyrgyzstan and Tajikistan Techs: Java 8, Spring Boot, Security, Data, Jpa Hibernate, Docker, Redis, SQL(MySql), Liquibase, Gradle Responsibilities: • Implemented full stage of issuing and retrieving data of a digital cards • Implemented integrations with new payment aggregators • Developing new features & Bug fixing Projects: The largest banks in Kazakhstan, Kyrgyzstan and Tajikistan Techs: Java 8, Spring Boot, Security, Data, Jpa Hibernate, Docker, Redis, SQL(MySql), Liquibase, Gradle Responsibilities: • Implemented full stage of issuing and retrieving data of a digital cards • Implemented integrations with new payment aggregators • Developing new features & Bug fixing

    • Kazakhstan
    • Information Technology & Services
    • 1 - 100 Employee
    • Back End Developer - Remote Bootcamp [Qualification Improvement]
      • Mar 2023 - Apr 2023

      Project: MyFamily – provision of public services to young families in secondary banks. Techs: Spring, Hibernate, Java 17, Postgres 14, Liquibase, Docker, CI/CD Summary: Was Top 1/12 back developers divided by projects. The project was brought to the second MVP, and had the functionality for processing important documents and integrating with public services Responsibilities: • Developing new features • Code review Project: MyFamily – provision of public services to young families in secondary banks. Techs: Spring, Hibernate, Java 17, Postgres 14, Liquibase, Docker, CI/CD Summary: Was Top 1/12 back developers divided by projects. The project was brought to the second MVP, and had the functionality for processing important documents and integrating with public services Responsibilities: • Developing new features • Code review

    • Kazakhstan
    • Banking
    • 300 - 400 Employee
    • Junior Back End Developer
      • Jul 2021 - Sep 2022

      Project: BerekeBusiness – a platform for effective management of the business Techs: Java 8, Spring Boot, Security, Data, Jpa Hibernate, Docker, K8s, SQL(Oracle), Flyway, JUnit, Gradle Responsibilities: • Implemented a service to the MVP stage, where Kazakhstan and other countries performed cross-electronic document management • Improved a notification service for customers using web sockets • Refactored smelly pieces of code • Developing new features & Bug fixing & code review Project: BerekeBusiness – a platform for effective management of the business Techs: Java 8, Spring Boot, Security, Data, Jpa Hibernate, Docker, K8s, SQL(Oracle), Flyway, JUnit, Gradle Responsibilities: • Implemented a service to the MVP stage, where Kazakhstan and other countries performed cross-electronic document management • Improved a notification service for customers using web sockets • Refactored smelly pieces of code • Developing new features & Bug fixing & code review

Education

  • Kazakh-British Technical University
    Master's degree, Information Systems
    2020 - 2022
  • International Information Technologies University
    Bachelor's degree, Information Systems
    2016 - 2020

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