Олександр

Alexander Samylin
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Summary
Software Engineer with over 15 years of experience in the IT industry, specializing in designing and
developing web applications. Proficient in Spring, and RESTful web services, with expertise in
database design and optimization. Experienced in contributing to projects across both small
startup environments and large enterprise organizations.

Professional experience
Senior Software Engineer at Optifly (Dublin, Ireland) August 2023 – currently
Optifly is an advanced scheduling optimization product for airlines (including Ryanair, Wizz Air,
Eurowings, and others), automating planning tasks to create efficient, rule-based flight schedules.
 Led the design and development of a feature allowing manual adjustments to flight
schedules.
 Migrated the service to AWS ECS, improving scalability and deployment efficiency.
 Influencing software engineering best practices within teams across the full software
development lifecycle, including design, coding standards, code reviews, building, testing,
deployment, and operations.
Technologies: Java 21, Spring, Spring Boot, Spring Data, RESTful API, AWS ECS, AWS S3, Terraform,
MySQL, Maven, GitHub.

Senior Software Engineer at AUTO1 Group (Kyiv, Ukraine) October 2020 – May 2023
Autohero is an online platform enabling users to buy and sell used cars across multiple European
countries.
 Designed and developed the Claims feature, allowing users to submit complaints
seamlessly.
 Participated in all phases of the software development lifecycle, including design,
implementation, testing, and maintenance.
 Collaborated with project managers to discuss functional requirements and drafted
technical specifications for implementation.
Technologies: Java 11, Spring, Spring Boot, Spring Data, RESTful API, AWS SQS, AWS SNS,
AWS S3, Terraform, PostgreSQL, Maven, Jenkins, GitHub.

Senior Software Engineer at Luxoft (Kyiv, Ukraine) July 2015 – September 2020
Getty Images MMS is a content management platform that enables client accounts to store,
search, and manage permissions for media data. The project's primary objective is to transition
from a legacy monolithic application to a microservices-based architecture hosted on AWS.
 Redesigned existing functionality as RESTful microservices to improve scalability and
maintainability.
 Optimized database queries and caching mechanisms, reducing response times and
improving system performance.
 Managed incidents and resolved system bottlenecks by implementing efficient solutions to
enhance performance and reliability.
 Collaborated with the product owner to analyze business requirements and translate them
into technical designs.
Technologies: Java 8, Spring, Spring Boot, RESTful API, Docker, RabbitMQ, MongoDB, Redis, GitLab.
Software Engineer at First Ukrainian International Bank (Kyiv, Ukraine) May 2013 – July 2015
 Designed and implemented solutions in enterprise banking software, ensuring
maintainability and efficiency.
 Improved code quality, readability, and maintainability by establishing coding standards
and enforcing them during code reviews, reducing the number of bugs.
Technologies: Java, Spring MVC, EJB 3.0, MyBatis, JUnit, Microsoft SQL Server, Maven.

Software Engineer at PJSC “UKRBUSINESSBANK” (Kyiv, Ukraine) July 2007 – April 2013
 Gained experience across all phases of the Software Development Life Cycle, including
design, development, testing, and deployment.
Technologies: Java, Spring, GWT, Microsoft SQL Server.

Education
Bachelor’s Degree in Computer Science at Donetsk National Technical University, 2007.

Technical skills
Libraries & Frameworks: Java, Spring Framework, Spring Boot, Spring Data, RESTful API, JDBC,
Hibernate, MyBatis.
Messaging: RabbitMQ, Apache Kafka.
Cloud & DevOps: AWS ECS, AWS SNS, AWS SQS, AWS S3, AWS EC2, Docker, Terraform.
Databases: PostgreSQL, Oracle, MySQL, MongoDB, Redis.
Testing: JUnit, Mockito.
Build & CI/CD Tools: Maven, Gradle, Jenkins, Git.

Language skills: English – Upper-Intermediate.