Led backend development and architecture of a mobile banking and crypto app. Architected robust serverless AWS-based systems, enabling scalable payment and financial services. Migrated transaction services...

Delivered Java, Spring Boot, and AWS architecture training courses. Introduced advanced frameworks and DDD approaches for engineering teams.

Developed SSO authorization, data backup and crypto security for payment services. Migrated legacy Java stacks and on-premises services to AWS serverless, reducing operational costs. Maintained internal...

Designed payment routing config DSL MVP, resolved production issues, improved integration with external payment systems, participated in Ruby to Java migration.

Integrated SEPA adapters to enhance banking transactions and interbank communications on the web platform for financial institutions.

Developed and integrated test frameworks with AWS DeviceFarm, migrated legacy software from Python to Java, mentored juniors, and enhanced platform functionality and migration for cloud-based geo-location...

Developed reusable payment and financial component libraries, optimized GWT table rendering, and led PoC for Spring Boot migration in multi-user web apps.

Designed Android employee check-in app, developed utility billing service for mobile banking, and implemented monitoring tools for financial risk profiling, enhancing infrastructure and portal integra...