# Rie O. > Senior Software Engineer @ Slack Location: San Mateo, California, United States Profile: https://flows.cv/rie Backend SWE working on the Messaging team at Slack! ## Work Experience ### Senior Software Engineer @ Slack Jan 2023 – Present | San Francisco Bay Area ### Software Engineer II @ Slack Jan 2022 – Jan 2023 | San Francisco, California, United States ### Software Engineer I @ Slack Jan 2022 – Jan 2022 | San Francisco, California, United States ### Associate Software Engineer @ Slack Jan 2021 – Jan 2022 | San Francisco, California, United States ### Software Engineer Intern @ Slack Jan 2020 – Jan 2020 | San Francisco, California, United States - Worked as a backend engineering intern on the Network (shared channels) team - Collaborated with two other interns on a Slack Connect feature to decrease barriers for admins through the shared channel invitation/creation flow - Helped organize social events for the interns to get to know each other during our remote internship ### Resident Assistant @ Carnegie Mellon University Jan 2019 – Jan 2020 | Pittsburgh, Pennsylvania - Actively worked to create a space for around 40 upperclass residents where they would feel safe, at home, and free to explore the opportunities on campus - Served as a resource and role model for the residents both on my floor and in the entire two-building community - Developed and held floor and community events at least once a month, and made connections to residents both through these events as well as other interactions - Supported residents through academic and personal issues and made myself available for them to reach out to if they wanted - Kept residents updated on the events around campus through weekly emails, highlighting events that members of the community were involved in - Continued to update and support residents through weekly emails after the campus switched to remote learning ### Musical Director @ C# Singers Jan 2019 – Jan 2020 | Pittsburgh, Pennsylvania - Determined and carried out musical vision for a cappella group of 18 students - Planned and led rehearsals thrice a week with C# Singers conductor - Served as a board member for C# Singers musical organization ### Software Engineer Intern @ Slack Jan 2019 – Jan 2019 | San Francisco Bay Area - Reduced the thousands of Slackbot to Slackbot self-DMs per day to single digits through investigating logs and code tracing - Implemented external shared channel related events in the Events API for external Slack app developers by working cross-functionally between the Network (shared channels) and Platform teams ### Andrew Ambassador @ Carnegie Mellon University Jan 2018 – Jan 2018 | Pittsburgh, PA - Led campus tours for prospective students and families and told them about the student experience at CMU - Did office work for the Office of Admissions ### Intern @ Cerebras Systems Jan 2018 – Jan 2018 | Los Altos, CA - Developed a variety of needed tools for use by teams across the company, including the ML research and performance teams - Implemented a Tensorflow hook to allow researchers and developers to customize sparsity and other tensor data tracking during model training - Built a hierarchical argument parser for neural net model training - Converted existing bash script unit tests to aid developers in the company-wide transition to pytest ### Resident Assistant @ Carnegie Mellon University Jan 2017 – Jan 2018 | Pittsburgh, PA - Actively worked to create a space for around 40 upperclass residents where they would feel safe, at home, and free to explore the opportunities on campus - Served as a resource and role model for the residents both on my floor and in the entire two-building community - Developed and held floor and community events at least once a month, and made connections to residents both through these events as well as other interactions - Supported residents through academic and personal issues and made myself available for them to reach out to if they wanted - Kept residents updated on the events around campus through weekly emails, highlighting events that members of the community were involved in ### Recruitment Chair @ C# Singers Jan 2017 – Jan 2017 | Pittsburgh, PA - Organized recruitment for the 17-person a cappella group and 30-person choir within the organization by working closely with the President and VP of External Affairs - Planned and led an information session and audition workshop with around 20 attendees at each event - Designed flyers and posters to recruit new members and saw over 90 students sign up for auditions ### Intern @ Cerebras Systems Jan 2017 – Jan 2017 | Los Altos, CA - Developed tools to abstract and streamline testing methodologies for developers alongside the newly formed QA team of three - Implemented Python modules to run full coverage unit tests for neural network kernels - Researched and implemented code quality maintenance system using linters, Makefile, and Git hooks - Presented to company’s software team, executives, and investors ## Education ### Bachelor's degree in Computer Science Carnegie Mellon University ### Psychology UCL ### Homestead High School ## Contact & Social - LinkedIn: https://linkedin.com/in/rie-ohta --- Source: https://flows.cv/rie JSON Resume: https://flows.cv/rie/resume.json Last updated: 2026-03-29