Aliaksandr Kastsiukevich

Lead Java Developer

Solva | JSC 'Microfinance Organization OnlineKazFinance'•  April 2024 - August 2024

Led a cross-functional team, coordinating work among specialists to achieve project goals. Mentored junior developers, guiding professional growth and skill development. Managed team tasks, setting responsibilities, monitoring deadlines. Oversaw resource allocation, including task prioritization and time management. Participated in strategic project meetings, resolving issues at both team and project levels. Supported production releases, resolving defects during smoke testing. Monitored production, distributing and coordinating issue resolution to maintain stability. Evaluated team progress, identifying and addressing obstacles for optimal results. Collaborated across teams to address project-wide issues and enhance coordination.

Java Developer

Solva | JSC 'Microfinance Organization OnlineKazFinance'•  March 2022 - April 2024

Developed software for microfinance and banking systems. Implemented diverse architectures: microservices (Java, Kotlin, Spring), monolithic (Glassfish, Payara), and hybrid, enabling scalable solutions. Migrated monolithic systems to microservices, enhancing performance and scalability. Designed and optimized SQL and NoSQL databases for reliable large-data processing. Built reactive systems (Project Reactor, WebFlux) for performance and asynchronous process management. Developed RESTful and GraphQL APIs, supporting complex business queries. Optimized unit and integration tests for high code coverage and system reliability. Configured monitoring and logging (Grafana, Kibana, Prometheus). Collaborated across teams to deliver quality solutions aligned with business needs. Supported production releases, monitored environments, and resolved incidents.

Java Developer (Trainee)

IT Academy | LLC "Educational center for programming and high technologies"•  December 2020 - May 2021

Created small microservices in teams and individual projects. Designed and integrated microservices, enhancing application interaction. Optimized SQL queries and worked with SQL and NoSQL databases. Developed RESTful APIs for microservice integration and external system access. Wrote unit tests to ensure functionality and improve code reliability. Participated in meetings, explored new technologies, analyzed documentation, and contributed to teamwork and project understanding.