À propos de Viktor
Senior Java Backend Engineer with 5+ years of experience designing and developing scalable backend systems using Java, Spring Boot, Kafka and microservices architectures.
I help companies build reliable APIs, modernize legacy applications and improve system performance. My experience includes real-time event processing, cloud-based platforms, CI/CD pipelines and distributed systems.
Key achievements include reducing API response times from 850ms to 250ms, contributing to microservice migrations and developing systems handling large volumes of real-time events.
Available for backend development, API design, microservices architecture, performance optimization and technical consulting.
Anglais
Capacité professionnelle complète
Français
Capacité professionnelle limitée
Hébreu
Capacité professionnelle limitée
Russe
Bilingue ou natif
Accepte de travailler sur site
Paris (jusqu’à 50 km)
Expériences
- filmmakers,Full Stack developerAGENCE & SSIIjanvier 2025 - Aujourd'hui (1 an et 7 mois)Paris, France● Led the migration of three core services from a monolithic system to a microservices architecture, improved deployment flexibility and reduced service downtime.● Designed, developed, and maintained full-stack features across major platform modules, including crew connection, film distribution, and skills development.● Improved overall user experience by delivering intuitive, high-performing, and seamless front-end and back-end functionality.● Collaborated in end-to-end development workflows using modern engineering practices.Stack: Typescript, React, Next.js, MUI, RabbitMQ, GitLab, CI/CD, microservices.
- Optimadevs,Full Stack developerAGENCE & SSIIjanvier 2022 - janvier 2025 (3 ans)Rehovot, Israel● Engineered and integrated core modules for violation detection and penalty calculation, ensuring accurate and efficient enforcement workflows.● Constructed real-time data processing pipelines with Apache Kafka, enabling live monitoring of parking-space occupancy.● Optimized front-end modules, boosting page-load performance by 15%.● Implemented and hardened user authentication and authorization mechanisms using Spring Security and JWT.● Reduced API latency from 850 ms to 250 ms, significantly improving system responsiveness.● Contributed to deploying microservices that sustained platform stability at 99.7% uptime.● Developed responsive, interactive UI components using React.js, Redux, HTML5, and CSS3.Stack: Java, Spring Boot, Spring Security, JWT, Apache Kafka, MongoDB, React.js, Redux, Typescript, CSS3, Docker, REST API, Git.
- Arcadia,Full Stack DeveloperAGENCE & SSIIjanvier 2021 - janvier 2022 (1 an)St Petersburg, Russia● Developed flight booking web application, API development and system integration.● Developed and tested new features, identifying and addressing bugs to enhance system stability.● Shortened middle time of booking for 20% due to optimisation backend-logic and UI-stream.● Connecting microservices by Kafka. Kafka configuration, work with topics.● Increased productivity API for 20%, optimised queries to DB and caching.Stack: Java, Spring Boot, Spring Security, REST API, MySQL, React.js, Redux, Git, Maven
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Formations
- Masters Degree — Mathematical Methods in EconomicsSaint-Petersburg State University of Economy and Finance2010Masters Degree — Mathematical Methods in Economics
- Full Stack Java DevelopmentTel Ran College of Programming & Software Engineering2024Full Stack Java Development