Alex Ivanov Email & Phone Number

Gothenburg, Västra Götaland County, Sweden

- Enhanced customers' BI by establishing 18 % more accurate statistics utilizing Java, Spring Boot, Spark, ClickHouse implementing a weighting math approach on a 10 TB dataset- Built backend for a web application with 26 microservices on Spring Boot, Docker, Kubernetes, AWS EKS - Guided 3 new developers during onboarding through Scrum cycle and CI/CD tools.

Riga, EU

- Refactored monolithic app backend to microservices-layer design with REST, Spring Boot, Docker, JUnit, AWS ECS, which saved user 30% of the time to go through UI flow- Engineered resilient Spring-based services belt for efficient Big Data interactions using Docker, Spark, ClickHouse empowering network knowledge by 7% with QoS statistics- Kick-started.

St Petersburg City, Russia

HireRight project, TOP-3 US applicant background check- Elevated SLA of the product by 0.004% after implementing 5 feature toggles with Spring Boot, Docker, SQL, JUnit to adapt business rules in production without redeployments- Bolstered the team by hiring a Java developer with a PhD in STEM after providing technical evaluations of 11 applicants.

St Petersburg City, Russia

- Increased report responsiveness by 9% with a refactoring of windowing functions of a statistical subsystem: Vaadin, Java, Spring, Bash, SQL, MariaDB ColumnStore on 1 TB set- Boosted DB installation 2 times after automation with Liquibase, Tomcat, Spring, Maven and structuring overlapped tables in MySQL

Khabarovsk, Russia

- Provided 4 software deployments using Bash, Tomcat, MySQL with 99.99 % SLA preserved- Accelerated report preparation to 3 times faster with PhantomJS, JavaScript, CSS by automation of data and pictures export to Excel file