Anastasiia Zelonkina

Full Stack Engineer | 4+ Years in Microservices, Cloud & Backend Development | Java, .NET Core, AWS | Bay Area, CA Full Stack Engineer with over 4 years of experience building scalable microservices, RESTful APIs, and cloud infrastructure, specializing in: • Java and .NET Core backend development with focus on high-performance, scalable applications • Microservices architecture with containerization using Docker and Kubernetes for distributed systems • Database engineering across PostgreSQL, MySQL, and Redis with optimization for high-volume transactions • Infrastructure automation utilizing AWS, Terraform, and CI/CD pipelines for reliable, scalable deployments KEY ACHIEVEMENTS • Optimized database performance through advanced indexing and Redis caching strategies, transforming sluggish reports into near real-time analytics dashboards • Designed and implemented microservices ecosystem with Docker and Kubernetes, allowing individual service scaling during high-traffic periods • Migrated monolithic application to AWS Cloud platform using Terraform, maintaining consistent service for thousands of users while upgrading the system • Established CI/CD pipeline with GitLab CI, transitioning from manual deployments to fully automated releases multiple times per day • Engineered security framework with JWT authentication and AWS Secrets Manager, ensuring data protection and regulatory compliance • Expertise in Java, C#, .NET Core, microservices architecture, cloud infrastructure, and DevOps practices.