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Experience level:
More than 5 years
Education level:
Master
Languages:
Russian: Native
English: B2
Serbian: A2
Senior Backend Engineer with 9+ years of experience building high-load e-commerce and distributed systems. Specialized in scalable API design, performance optimization, and backend architecture that directly impacts business metrics. Strong focus on clean architecture, maintainability, and measurable results — including increasing conversion rates and system efficiency. Experienced in working with product-oriented teams and improving core backend systems in high-load environments. Looking for a long-term role in a product team where backend engineering contributes directly to business growth.
– Developed backend systems for high-load e-commerce platforms (100k+ users)
– Reduced API response time by up to 40%
– Increased conversion and revenue by 30–35% through performance optimization
– Improved warehouse processing speed by ~40%
– Designed integrations with payment systems and external APIs
– Participated in system architecture design and technical decision-making
– Developed and supported e-commerce backend systems
– Implemented integrations with payment and delivery services
– Improved system stability and reduced production issues
– Developed transport information systems from scratch
– Built backend services for real-time transport data
– Designed API integrations and ensured system reliability
PHP (8.x), Laravel, Symfony, Yii2
REST API design, scalable backend architecture
High-load systems, performance optimization
PostgreSQL, MySQL, Redis
Docker, Linux, CI/CD
System design, clean architecture, SOLID
Caching, queues (RabbitMQ)
Business-oriented backend optimization