Sara P. Email & Phone Number

San Francisco Bay Area

Researching on and connecting to startups with potentials. Let's connect: sijia@57blocks.com

Los Angeles, California, United States

Los Angeles, California, United States

Led migration to AWS architecture from a third-party platform, achieving a 40% cost reduction and saving approximately $1.2 million annually; Spearheaded the creation of automated CI/CD pipelines, increasing deployment frequency by 40% and reducing errors by 60%.Developed and tested services using Python, MySQL, PostgreSQL, & Jenkins; Implemented serverless functions using AWS SAM, integrating CloudWatch, S3, Lambda, & Alarm services.Collaborated with UX/UI team to develop responsive… Show more Led migration to AWS architecture from a third-party platform, achieving a 40% cost reduction and saving approximately $1.2 million annually; Spearheaded the creation of automated CI/CD pipelines, increasing deployment frequency by 40% and reducing errors by 60%.Developed and tested services using Python, MySQL, PostgreSQL, & Jenkins; Implemented serverless functions using AWS SAM, integrating CloudWatch, S3, Lambda, & Alarm services.Collaborated with UX/UI team to develop responsive components with TypeScript, React and Angular, improving user engagement by 15%; Enhanced system performance by implementing pagination and optimizing database queries, reducing page load times by 25%.Led bi-weekly Agile sprints and mentored junior developers, improving team velocity by 20% over 6 months.Presented quarterly tech updates to C-level executives, effectively communicating complex technical concepts to non-technical stakeholders. Show less

Designed and implemented Java, RESTful and GraphQL APIs, collaborating with front-end and mobile teams to support user register/ login features, resulting in a 20% increase in player engagement across multiple titles.Created security enhancements for the Nexon website & admin site, blocking over 5,000 abnormal accounts; Built a risk management service, improving fraud detection by 40% and saving an estimated $500,000 in potential losses.Optimized database performance, achieving a 30%… Show more Designed and implemented Java, RESTful and GraphQL APIs, collaborating with front-end and mobile teams to support user register/ login features, resulting in a 20% increase in player engagement across multiple titles.Created security enhancements for the Nexon website & admin site, blocking over 5,000 abnormal accounts; Built a risk management service, improving fraud detection by 40% and saving an estimated $500,000 in potential losses.Optimized database performance, achieving a 30% improvement in query response times, which directly contributed to a 15% reduction in game loading times.Developed and maintained CI/CD pipelines using Jenkins and Docker, reducing deployment time by 70% and enabling more frequent updates; Conducted code reviews and mentored junior developers, improving overall team code quality and reducing bug reports by 30%. Show less

San Jose, California, United States

Engineered a Shopify app for automating daily deals, using Node.js and MongoDB, which was successfully sold for $70,000.Led the entire project lifecycle, integrating marketing strategies that increased user engagement by 35% and average store sales by 25%.Implemented comprehensive error handling and logging, reducing customer support tickets by 40%.Conducted user interviews and gathered requirements from 50+ store owners to inform product roadmap.