Yerassyl Kelsingazin
Middle Back End Developer at Crystal Spring- Claim this Profile
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Bio
Experience
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Crystal Spring
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Kazakhstan
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IT Services and IT Consulting
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1 - 100 Employee
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Middle Back End Developer
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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
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red_mad_robot Central Asia
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Kazakhstan
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Information Technology & Services
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1 - 100 Employee
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Back End Developer - Remote Bootcamp [Qualification Improvement]
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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
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АО «Bereke Bank»
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Kazakhstan
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Banking
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300 - 400 Employee
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Junior Back End Developer
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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
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Education
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Kazakh-British Technical University
Master's degree, Information Systems -
International Information Technologies University
Bachelor's degree, Information Systems