Sai Krishna A.
Actively looking | Senior Java Backend & Full Stack Developer| Java 8–17, Spring Boot, React, AWS, JPA, Kafka | Microservices, Cloud-Native, API Design | 8+ Years Experience | AWS Certified
- Role
- Senior Software Engineer at Mastercard
- Location
- O\'Fallon, MO, US
- LinkedIn followers
- 500 followers
About Sai Krishna A.
I’m a Senior Java Backend & Full Stack Engineer with over 8 years of hands-on experience building and scaling complex applications. Java is my core strength — from Java 8 up to Java 17 — and I thrive on leveraging Spring Boot and modern frameworks to deliver clean, maintainable, and high-performing backend systems.I’ve worked extensively on designing microservices architectures, developing secure and efficient RESTful and GraphQL APIs, and modernizing legacy codebases to cloud-native solutions on AWS. Whether it’s optimizing SQL queries, implementing Kafka event-driven workflows, or automating CI/CD pipelines, I focus on writing code that’s robust, scalable, and testable.Mentoring junior developers and collaborating across teams to drive Agile best practices is something I genuinely enjoy. I’m passionate about continuous learning and applying new tools—whether it’s Kubernetes orchestration, containerization with Docker, or observability with Splunk and Datadog—to improve delivery and reliability.If you’re looking for a Java expert who’s equally comfortable in backend services and full stack development with React, let’s connect!
Experience
Senior Software Engineer
Jan 2026 — Present · O\'Fallon, MO, US
Education
Cleveland State University
Master of Science, Electrical and Electronics Engineering
2014 — 2016
Jawaharlal Nehru Technological University
Bachelors of Technology, Electronics and Communications
2010 — 2014
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