Krit Petrachaianan

Built product front-end with React and Next.js, migrating from the existing tech stack based on Flutter. With previous data experience, advised product manager and backend engineers with data storage and conventions.

Onboarded client data into the platform, including restructuring datasets, checking for errors, automating workflows with Python, and continuously monitoring data quality through custom dashboards. Also investigated data issues as they come up, finding solutions or delegating as needed.

Helped out teachers in calculus and physics classes with classroom management, curriculum planning, and individual tutoring both inside and outside the classroom. Also acted as a teaching substitute or lab assistant as necessary.

Conducted in-depth market research on more than 2000 global accounts and companies using a variety of industry sources, as well as used internal Salesforce apps to run reports and dashboards to highlight, follow-up, and ensure resolution of account and company status changes.

Designed and created from scratch a fully-functional login portal and landing page for customers using React.js, used RESTful API requests to get and manage application state, and integrated the React framework into the existing PHP backend.

Student mentor and consultant at Grinnell College's Data Analysis and Social Inquiry Lab, a space for students to seek help with gathering conclusions from data and for professors as a resource for instructional materials. Main responsibilities include providing instructors with classroom materials such as cleaned datasets and interactive visualizations, as well as offering statistical guidance to 3-5 students a week towards research projects from a broad range of disciplines.

Created interactive visualizations of two datasets and helped contribute to paper on the uses of interactive visualizations in the classroom and in the modeling of large datasets. Created two interactive visualizations of global terrorism and racially-biased arrests in New York City using Shiny in R and a range of other tools such as Leaflet and ggvis. Worked with 4 other students and contributed code to five other visualizations.

Tutor in Grinnell College's math lab. Offers homework help and assists students in solidifying understanding of statistical concepts in introductory and advanced statistics courses. Also acts as a course mentor for a 300-level statistics class, helping more than 20 students per week with programming in R.