Denis Ptushko
Senior Software Engineer @FRAMEN
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WORK HISTORY
Senior Software Engineer @FRAMEN
Berlin, DE
Designed and implemented an ad campaign forecasting microservice in Golang, cutting response time from 6–8 seconds to 130–300ms and reducing load on the core system by isolating heavy logic- Independently conducted a full security audit and load testing of the application using OWASP ZAP and k6, uncovering and eliminating critical vulnerabilities preemptively- Migrated the core backend from Graphene to Strawberry with a complete refactor, improving codebase readability, maintainability, and scalability.
EDUCATION
Minsk Innovation University
Computer Software Engineering
SKILLS
ABOUT DENIS PTUSHKO
12+ years building backend systems across ad-tech, ed-tech, marketplaces, and media - Deep in Golang, Python, PHP — focused on scalable, maintainable architecture - Delivered MVPs from scratch and took them to production at scale - Rebuilt monoliths into microservices using Clean Architecture - Cut API latency by 90%+ through redesign and performance tuning - Daily work with Docker, PostgreSQL, Redis, RabbitMQ, and CI/CD pipelines - Collaborated with diverse teams across Berlin and Eastern Europe
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