Alexey V.

Experience

• 

  Innowise Group

  Aug 2018 - Aug 2019

  Back-end Developer Java

  - Developed and implemented microservices for data processing and aggregation from various metertypes.- Designed storage systems, including migration from PostgreSQL to Clickhouse, achieving significantperformance improvements in analytical queries.- Implemented REST APIs, facilitating interaction between client applications and the server.- Used integration tests with TestContainers, creating a stable and predictable testing environment.- Ensured real-time data processing, applying resource optimization and parallelization techniques.- Enhanced system observability using Grafana, enabling faster detection and resolution of performancebottlenecks.- Configured automated deployment processes via Jenkins, reducing deployment time and minimizingerrors Show less

• 

  IBA Group

  Aug 2019 - Oct 2022

  Back-end Developer Java

  - Developed and implemented microservices for a scalable application, ensuring high availability andreliable performance under heavy user traffic.- Developed REST APIs, enabling seamless integration of client interfaces with backend systems.- Designed and implemented business logic for transaction and application processing using SpringBoot.- Implemented complex orchestration processes using Camunda, including state management andevent handling.- Optimized database operations through indexing, query optimization, and transaction management.- Created highly reliable and scalable services, ensuring stable performance under increasing loads.- Integrated external APIs, including payment gateways and other services.- Developed user interfaces in Angular, enhancing user experience and system interaction. -- Streamlined CI/CD pipelines by configuring GitLab and Jenkins, automating build, testing, anddeployment processes to improve efficiency and reduce deployment errors. Show less

• 

  BioMedConsult

  Oct 2022 - now

  Software Developer

  - Designed and developed key microservices for processing financial transactions, ensuring system reliability under high load.- Implemented event-driven architecture using Kafka and RabbitMQ, achieving low-latency communication between services.- Improved system observability using Grafana and Kubernetes, providing real-time monitoring and 99.9% uptime for critical services.- Optimized database queries and caching strategies to reduce response time and improve performance for high-load systems.- Ensured high test coverage using unit and integration tests, guaranteeing the stability of new features.- Collaborated with cross-functional teams to ensure alignment between technical solutions and business requirements.- Developed and implemented new features for financial application processing, ensuring scalability and robustness with increasing data volumes.- Implemented rate limiting and performance optimization for efficient handling of a large number of users.- Streamlined CI/CD pipelines by configuring GitLab and Jenkins, automating build, testing, and deployment processes to improve efficiency and reduce deployment errors. Show less