# Emily Chen > Senior Software Engineer at Wealthsimple Location: San Francisco, California, United States Profile: https://flows.cv/emilychen2 ## Work Experience ### Senior Software Engineer @ Wealthsimple Jan 2024 – Present ### Senior Backend Engineer @ Tally Jan 2022 – Jan 2024 - Senior Backend Engineer on the Platform Engineering team responsible for larger architectural decisions, internal libraries used by other backend engineers, and ingesting and aggregating financial data from multiple 3rd-party sources - Led and implemented a project to automate manual fraud checks by integrating with a 3rd-party vendor, resulting in guaranteed fraud checks for 100% of users and near real-time detection of potentially fraudulent users. Balanced trade- offs of cost, required manual intervention, and potential for harmful fraudulent activity - Migrated daily jobs from a legacy batch implementation to a reactive, event-based approach backed by SQS queues that significantly improved job speed as well as monitoring and observability. 94% of jobs were migrated without any issues and the new jobs ran 4x faster than the legacy jobs. Job-related incidents decreased by 80% post-migrations ### Senior Android Developer @ Tally Jan 2021 – Jan 2022 - Led a project to integrate a 3rd-party SDK into a crucial part of the onboarding flow. Worked closely with Backend Engineers, PMs, Designers, and Data Analysts to scope the project and break it down into smaller milestones and imple- mentable pieces and then worked on the integration alongside another Android engineer - Interviewed candidates and onboarded new engineers to the team, ramping them up on ongoing projects as well as incorporating their suggestions and ideas for new processes and code patterns - Developed a feature to allow users to view their statements in-app, which was completed on-time and bug-free ### Android Developer @ Tally Jan 2019 – Jan 2021 | San Francisco Bay Area - Maintained a >99% crash-free user rate for the Android app - Introduced custom lint checks to shorten the developer feedback loop and standardize code base best practices ### Software Engineer (Android) @ Mango Health Jan 2018 – Jan 2019 | San Francisco Bay Area - Led Android team and worked closely with product, design, and back-end teams to develop new features - Led development of Community feature, redesign of Add Med flow, and Onboarding revamp - Initiated and conducted migration to MVVM architecture - Mentored and taught other engineers about Android development principles - Improved test suite coverage by writing unit and UI tests using JUnit and Espresso - Mango Health acquired by TrialCard in September 2019 ### Computer Science Teaching Assistant @ Pomona College Jan 2016 – Jan 2018 | Claremont, CA - Served as Head TA for Data Structures - Held weekly mentor sessions, TAed during lab sessions and graded assignments - Previously TAed for Discrete Mathematics and Linear Algebra ### Software Engineer Intern @ Mango Health Jan 2017 – Jan 2017 | San Francisco Bay Area - Revamped the splash screen sequence and developed new features that allow users to refill meds and view the meds associated with each pharmacy for the Android app - Researched testing tools such as Appium, Xamarin, and Espresso to help implement automated UI testing - KPCB Engineering Fellow ### Engineering Fellow @ Kleiner Perkins Jan 2017 – Jan 2017 | San Francisco Bay Area Selected as one of 58 Engineering Fellows out of almost 2,500 applicants ### Teaching Assistant @ Girls Who Code Jan 2016 – Jan 2016 | Twitter HQ, San Francisco Bay Area - Taught 20 junior and senior girls in high school who had little to no experience with computer science - Taught Scratch, Python, OOP, robotics, HTML, CSS, and JavaScript throughout an intensive 7-week program - Identified students’ areas of weakness and provided one-on-one support to students as needed - Mentored students on professional and personal levels ### Undergraduate Research Assistant @ Rice University Jan 2015 – Jan 2015 | Professor Michael Kohn's Lab - Worked on a bioinformatics/comparative genomics project studying the evolution of the house mouse genome, particularly the distribution and migration of mutated genes - Wrote Python scripts for SimuPOP, a forward-time population genetics simulator ## Education ### Bachelor of Arts (B.A.) in Computer Science Pomona College ## Contact & Social - LinkedIn: https://linkedin.com/in/emilychen8 --- Source: https://flows.cv/emilychen2 JSON Resume: https://flows.cv/emilychen2/resume.json Last updated: 2026-04-05