At Ecommpay, I architected a Kafka onboarding pipeline with idempotency and trace IDs, cutting merchant time-to-market by 42%. I also engineered multi-tenant payment routing for pay-in and pay-out flows.
At Coexwalf OÜ, I optimized PostgreSQL queries, reducing peak database load by 62%. I also architected a GraphQL layer that eliminated 15 redundant REST endpoints.
At M.Video, I expanded PHPUnit test coverage across microservices, reducing production errors by 82%. I refactored credit-processing microservices using Symfony and DDD, and helped introduce Go microservices to the team.
Earlier, at Orion Innovation, I introduced asynchronous processing with RabbitMQ, reducing API response time by 73%, and mentored developers through code reviews. At Bloomex, I resolved legacy PHP bugs, migrated to modern PHP, and introduced Xdebug tooling.
