Doświadczenie zawodowe:
Senior Java Developer
Digia (formerly Sunrise-R, Finnish-owned)
Aug 2008 – Oct 2011 → continued as contractor until 2013 (5+ years total) • Saint Petersburg + Berlin (3 months on-site)
─ Core backend developer for enterprise and mobile Java projects for Nokia platforms
─ 3-month on-site assignment in Nokia office, Berlin
─ Obtained Oracle Certified Professional Java SE 6 in 2010
─ Longest and most stable period in career, European management and processes
Senior Java Developer
Petrosoft (state digital services)
Apr 2023 – Aug 2025 • Saint Petersburg
─ Developed and supported gu.lenobl.ru — public services portal of Leningrad region
─ Designed and implemented interdepartmental integrations (SOAP + REST)
─ Tech stack: Java 17, Spring Boot 3, Spring Cloud/Netflix, PostgreSQL, Kafka, Docker
Senior Backend Developer
Computer Intellectual Systems (CIS)
Oct 2021 – Aug 2022 • Saint Petersburg
─ Built microservices for national incident-tracking system of Russian Emergency Ministry (System-112)
─ Implemented real-time notification service with role-based WebSocket notifications (Keycloak)
─ Stack: Java 17, Spring Boot (Web, Security, Data, Cloud, AMQP), RabbitMQ, Redis, PostgreSQL, Liquibase
Backend Java Developer
PochtaTech (Russian Post)
Jul 2018 – Dec 2019
─ Developed logistics platform for sorting centers and MVP of new centralised microservices system
─ Stack: Java 11, Spring Boot, Security, Data JPA, PostgreSQL, Angular frontends
Backend Developer
TaskData → project for General Electric
Aug 2015 – Aug 2017 • Saint Petersburg
─ SOAP services, request/response logging, data-consistency checks with Informatica MDM
Senior Java Developer
CSBI
Oct 2013 – May 2015 • Saint Petersburg
─ Real-time public transport monitoring system for several Russian cities
Java Developer
Lanit → project for Paxport AB (Sweden)
2012–2013 • Stockholm (on-site several months)
─ Online booking system for airports and travel agencies
Edukacja:
M.Sc. Electrical Engineering — Industrial Electronics
Lappeenranta University of Technology, Finland
Specialist Degree — Control Systems
Baltic State Technical University “VOENMEH”, Saint Petersburg
Umiejętności zawodowe i inne:
Technical Skills
Java 17/21 • Spring Boot 3 • Spring Cloud • Kafka • RabbitMQ • Docker
REST • SOAP • WebSocket • Server-Sent Events • OAuth2/Keycloak • JPA/Hibernate
PostgreSQL • Redis • Liquibase • Maven • Git • GitLab CI • Linux
Next.js • TypeScript • Node.js
Umiejętności językowe:
Английский
Французкий
Финский
Dodatkowo:
Certifications
Oracle Certified Professional, Java SE Programmer
MongoDB for Java Developers (M220J) + Data Modeling + Security
Languages
English Full professional proficiency (IELTS 7.5)
French Upper-intermediate (DELF B2)
Finnish Intermediate (B1)
German A2 (actively studying in 2026)
Russian Native
