Seryozha Hovhannisyan

Owns end-to-end architecture for a cloud-native payment platform on AWS, defining service architecture for Node.js/NestJS microservices and designing secure payment flows. Leverages AI-assisted engineering workflows and mentors engineers.

Developed and maintained enterprise backend services using Java and Spring Boot, implemented workflow automation and HRIS integrations, and improved code quality with SonarQube and unit testing. Applied AI-powered development workflows and used CI/CD pipelines.

Built a scalable SaaS platform using Java, Spring Boot, REST APIs, and microservices, and implemented secure authentication and authorization with Keycloak and OAuth2. Developed backend services processing 100K+ records daily.

Designed BPM and workflow-driven systems using Java and Spring Boot microservices, collaborated with distributed teams, and established engineering standards and CI/CD practices.

Designed secure backend microservices for financial and cryptocurrency platforms, developed scalable APIs, and integrated enterprise services.

Built enterprise credit and gift card systems using Java and JavaScript technologies, and worked with Oracle and relational databases for transactional systems.

Modernized a large-scale enterprise SaaS platform serving 500K+ users and upgraded a monolithic Java application from Oracle JDK 8 to OpenJDK 11. Worked with Oracle databases, Maven, Jenkins, and enterprise CI/CD pipelines.

Worked as a full-stack software engineer, developing and maintaining software solutions.

Worked as a Java software engineer, developing and maintaining Java-based applications.

Completed a Java internship, gaining hands-on experience in Java development.

Master's degree from the University of Economics in Armenia.

Bachelor's degree from Yerevan State University.

Oracle Certified Associate (OCA), Java SE 8 Programmer certification.