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Vladimir Naumov

@vladimirnaumov

Senior Java Developer at Home Credit Bank who launched a credit origination platform and improved loan approval speed by 30%.

Kazakhstan

Message

At Home Credit Bank, I led the creation of a high-load microservice for processing credit applications and launched a credit origination platform. Integrating banking systems and external services helped make loan approvals 30% faster.

Previously, at Sberbank, I built microservices for credit and deposit products that processed over 10 million daily requests. At Luxoft, I created a WebSocket communication system for students, supporting over 5,000 concurrent chat sessions.

Experience

Work history, roles, and key accomplishments

Senior Java Developer

Home Credit Bank

Aug 2023 - Aug 2025 (2 years)

Led the creation of a high-load microservice for processing over 500,000 credit applications monthly, enabling up to 5 B2B partner integrations. Launched the credit origination platform, optimizing loan workflows and reducing partner onboarding time by 1.5x.

Java Go Spring Boot Spring Web Spring Security Spring Data JPA REST SOAP Grafana Splunk AWS Oracle PostgreSQL SQL Gradle Liquibase Gitlab Keycloak RabbitMQ Docker Kubernetes Zeebe Sonar

Senior Java Developer

Sberbank

Jul 2022 - Aug 2023 (1 year 1 month)

Built innovative microservices for credit and deposit products, processing over 10 million daily requests. Implemented personalized offer calculation services, improving conversion rates by 20%.

Java Kotlin Spring Boot Spring Web Spring Data JPA REST PostgreSQL Kafka OpenShift Liquibase Junit Swagger MapStruct MyBatis Lombok Maven Gradle Bitbucket SLF4J Azure

Java Developer

Luxoft

Feb 2022 - Jul 2022 (5 months)

Created a real-time communication system using WebSocket, supporting over 5,000 concurrent chat sessions. Streamlined CI/CD process, reducing deployment times by 1.3x.

Java Spring Boot Spring Web Spring Data JPA JDBC PostgreSQL Kafka REST GraphQL Docker Jenkins Rancher Maven Git SLF4J ELK Stack Lombok WebSockets Flyway AWS

Java Developer

X5 Group

Oct 2021 - Jan 2022 (3 months)

Developed a transport logistics metrics system used by over 200 fleet managers, improving delivery tracking accuracy by 30%. Created data-driven dashboards for route optimization, reducing transportation costs by 1.15x.