Experience

• Developing projects at all stages of their construction
• Configuring ci/cd processes using GitOps, Argocd, K8s, Docker, GitLab CI/CD instruments
• Configuring security, including migration between different security libraries
• Writing projects from scratch with test coverage of functionality integrating APIs of hardware devices (smart scales, printers)
• Integrating payment systems, developing billing processes, constructing payment plans, and handling payment processing with validation relative to the service.

Backend

• Java 8, 11, 17
• Spring (Security, Data, Web)
• Hibernate
• REST, gRPCM, Microservices

Databases & Storage

• PostgreSQL, MariaDB, Redis, MinIO

Messaging

• RabbitMQ, Azure Service Bus, SQS

Payments

• Stripe, Portmone, Westwallet

Testing & Migrations

• JUnit, Flyway

DevOps / CI/CD

• Docker, GitLab CI/CD, GitOps, ArgoCD, Helm, Kubernetes

Cloud Platforms

• Azure Spring Apps, Cloud Run, Compute Engine, EC2, Lambda