Freddy Yang Email & Phone Number

San Francisco Bay Area

Back End and Data Integration. Python, Flask, APIs, Kafka, Postgres, Cassandra, ElasticSearch, Redis, Kubernetes, Docker, FastAPI

Santa Clara, Ca

Santa Barbara, California Area

• Worked as a Full Stack Engineer, designed, developed and maintained a Customer Relationship Management web application Rentcafé CRM, using ASP.NET MVC framework, VB.NET, Javascript, and Transact SQL, which grew to be used by 2600+ companies nationwide during my time of working there.• Designed and built RESTful Web Service APIs used by company’s internal teams by communicating and coordinating across teams and oversaw the integration process.• Pitched new ideas of financial and customer traffic reports and implemented them to our product, which was endorsed by our clients. Also optimized dozens of legacy reports by revamping and enhancing SQL logics, which decreased page loading time by 1.5 seconds each and cut down loading timeouts by 25%.• Worked closely with individual clients to fulfill their specific needs and implement customized features. Helped increasing the product’s client base and revenue to 226% of its original size.

Santa Barbara, California Area

• Developed web application as a Full Stack Engineer using LAMP stack (Linux, Apache, MySQL, PHP). Combined and compressed JavaScript/ CSS codes to cut down page loading time by up to 80%.• Deployed, maintained, and monitored servers using Amazon Web Services (EC2/S3), successfully reduced server failure rate by 50%.• Prototyped company’s payment features and led the integration of web payment APIs such as Paypal Pro, Payflow, and Stripe.