# William Kim > Software Engineer at Equilar, Inc. Location: San Jose, California, United States Profile: https://flows.cv/williamkim I'm a current Software Engineer at Equilar Inc. with 4+ years of experience building scalable backend systems and APIs. I specialize in Spring Boot, PostgreSQL, Snowflake, and AWS, and worked on cloud-native services and asynchronous data pipelines. I am passionate about building solutions that are functional, clean, and maintainable. I graduated from San José State University in 2021 with a B.S. in Computer Engineering. ## Work Experience ### Software Engineer @ Equilar Jan 2021 – Present | Redwood City, California, United States - Designed and developed RESTful backend services using Spring Boot, JPA/Hibernate, and PostgreSQL. - Enhanced API scalability by leveraging Spring WebFlux (Mono/Flux) and Java concurrency, resulting in higher throughput and optimized memory efficiency - Built custom file download features with Apache POI and managed file storage on AWS S3. - Contributed to client projects by integrating Snowflake data and implementing Gmail synchronization features using scheduled cron jobs for automated data syncing. - Implemented backend logic in Salesforce APEX and contributed to Salesforce Portal integrations, supporting client-specific business requirements. - Lead Scrum Master overseeing sprint deployment and release processes. - Created scripts to assist with faster resolution of support tickets and technical issues - Provided assistance to offshore teams in debugging and resolving integration issues, improving issue resolution time and cross-team collaboration. - Conducted internal presentations on Reactive Programming to educate and align the engineering team on modern asynchronous development practices. ### Quality Engineer Intern @ Equilar Jan 2019 – Jan 2020 | Redwood City, CA - Developed automated test scripts with Selenium with Java (TestNG). - Supported QA and engineering teams by developing and executing functional, regression, performance, and end-to-end tests, along with test plans and detailed test case documentation ## Education ### Bachelor of Science - BS in Computer Engineering San José State University ## Contact & Social - LinkedIn: https://linkedin.com/in/william-kim-58a79b10b --- Source: https://flows.cv/williamkim JSON Resume: https://flows.cv/williamkim/resume.json Last updated: 2026-04-10