• Developed and launched an event driven near-real-time library for job-seeker’s segments, makes 20% increase on reach of job-seeker requests and 8% on new application starts.• Designed and built a click driven segments project on offsite with low latency time.• Developed client library which supports segmentation select service, and is leveraged by a GraphQL API to show relevant segment data through advertisement to clients.• Maintenance segments artifact and generated a format checker for identify the schema style.• Achieved automatically generate Facebook Lookalike groups for running advertisement campaign which covered 90% of all campaign running and most the campaigns which used the lookalike have position impressions.

Developed authorization system in PHP which enabled users’ permissions in the website application.Implemented check signature printing system in JavaScript on users’ check setups through the website.Designed, built, and deployed a new database index which decreased query loading time by 80%.

• Supported a downstream application’s development by writing queries and creating views which map between tables in different databases.• Effectively responded for client’s annual repricing request which consist 30 reports under tight time constrain.• Customized query to generate re-pricing reports based on client data and contract, which helped clients to forecastfuture cost.

• Developed a semi-automated pipeline in R/RStudio to reformatted, visualized data and generated statistical summary for investigator needs• Perform a series of data management, quality control, data visualization, and statistical analysis projects on data stemming from a series of human clinical research studies investigating depression and treatments of depression.