Stacy Sks

About Stacy Sks

Senior Java Developer with 10+ years of experience designing, building, and scaling enterprise-grade applications across telecom, retail, healthcare, insurance, and financial services domains.I specialize in building high-performance, cloud-native microservices using Java (17/11/8), Spring Boot, Kafka, and AWS/Azure. I have a strong background in event-driven architectures, RESTful APIs, secure service design, and large-scale distributed systems.Key strengths:• Java 17/11/8, Spring Boot, Spring Cloud, Hibernate, JPA• Microservices, REST, GraphQL, Kafka, ActiveMQ, RabbitMQ• Cloud platforms: AWS, Azure (EC2, EKS, Lambda, RDS, Cosmos DB, AKS)• Databases: PostgreSQL, Oracle, MySQL, MongoDB, Cassandra• CI/CD, Docker, Kubernetes, Jenkins, SonarQube• Security: JWT, OAuth 2.0, Spring Security, OWASP best practicesI have led complex migrations from monoliths to microservices, modernized legacy systems, and delivered scalable, secure, and high-performing backend solutions in Agile environments.I’m passionate about clean code, system design, performance optimization, and mentoring teams to deliver high-quality software. Open to opportunities in Senior Java Developer, Backend Engineer, and Cloud/Microservices roles.

Experience

1. Senior Java Developer

   Verizon

   Sep 2023 — Present

   Designed and implemented scalable microservices using Java 17, Spring Boot, and Spring Cloud, improving system reliability and deployment efficiency.• Migrated legacy applications to Java 17, leveraging Records and Sealed Classes to enhance maintainability and code quality.• Built event-driven architectures using Apache Kafka, developing high-throughput producers/consumers and ensuring fault-tolerant message processing.• Developed secure RESTful APIs using Spring MVC, Spring Security, JWT, and OAuth 2.0.• Implemented automated billing systems using Spring Batch, Reactive programming, and Oracle/PostgreSQL databases.• Deployed and managed microservices on AWS using EC2, EKS, Lambda, S3, RDS, API Gateway, and CloudWatch.• Containerized applications using Docker and deployed to Kubernetes clusters.• Integrated CI/CD pipelines using Jenkins and SonarQube, achieving 95%+ unit test coverage and enforcing quality gates.• Optimized SQL queries, database schemas, and ORM mappings using Hibernate and JPA.• Collaborated cross-functionally with architects, QA, and business stakeholders in Agile environments.

Education

• Wilmington University

  Master's degree, Computer and Information Systems Security/Information Assurance

  2016