Middle Java Developer( Банк Хоум Кредит, ДБ АО )

Описание

Adilet Zharkenov Java Backend Developer Astana, Kazakhstan — +7 (707) 6503740 — zharkenovadilet@gmail.com — Telegram: @icefrog28 PROFESSIONAL SUMMARY Result-driven Java Backend Developer with over 2 years of experience in high-load and industrial systems. Proven track record in designing scalable microservices, executing complex monolith-to-microservices migrations, and optimizing system performance for 24/7 mission-critical operations. TECHNICAL SKILLS •Languages:Java 17/21, SQL •Frameworks:Spring Boot, Spring Cloud, Spring Security, Spring WebFlux, Hibernate •Databases & Caching:PostgreSQL, MongoDB, MySQL, Redis •Messaging:Apache Kafka, RabbitMQ, ActiveMQ •Infrastructure:Docker, Linux •Tools:Maven, Flyway, Liquibase, OpenAPI/Swagger, Zabbix, Grafana WORK EXPERIENCE Java Developer — OIIYN, AstanaDecember 2024 – Present •Designed and implemented scalable RESTful microservices from scratch using Spring Boot. •Formed clean API contracts (OpenAPI / Swagger) to ensure seamless integration with modern frontend ap- plications (VueJS/React). •Reduced core database load by 40% through strategic Redis caching of frequently requested master data. •Designed relational database schemas in PostgreSQL, managed migrations via Flyway, and optimized complex SQL queries to eliminate bottlenecks.. Java Developer — NLMK Group, MoscowSeptember 2023 – November 2024 •Engineered the migration of a legacy MES from Oracle monolith to a cloud-native architecture (1,000+ tables). •Modernized data processing with Kafka and Avro, resulting in a 22% increase in data throughput. •Migrated data from Oracle to PostgreSQL/MongoDB, achieving a 10% improvement in query performance. •Optimized complex SQL queries and managed database migrations using Liquibase. EDUCATION Kazakh-British Technical University (KBTU)2021 – 2025 Bachelor’s Degree in Computer Science and Software Engineering LANGUAGES Russian:NativeEnglish:C1 (Advanced) – Professional Working Proficiency 1