Tessa Chen
Account Manager - Infrastructure Team at Esri
Redlands, California, United States
Summary
🤩
Rockstar🎓
Top SchoolTing Chen is a Senior Product Engineer at Esri with nine years of experience building mobile and backend mapping tools, blending a physics-first mindset from BUPT with an MS in Electrical and Electronics Engineering from Duke. Based in Redlands, CA, she contributes to open-source projects like Pillow and ArcGIS iOS samples—optimizing image floodfill logic and adding dark mode support—demonstrating attention to performance, documentation, and UX. At Esri she progressed rapidly from Product Engineer I to Senior Product Engineer, shipping Swift-based samples and product improvements for geospatial developers. Colleagues value her crisp code quality and habit of fixing typos and doc formatting, a hint at her meticulous engineering practice. She prefers real-world meetups before LinkedIn connections, reflecting a personable, in-person-first networking style.
9 years of coding experience
3 years of employment as a software developer
Bachelor of Arts (BA), GIS, Bachelor of Arts (BA), GIS at University of Washington
Stackoverflow
489reputation
68kreached
14answers
0questions
firebase
top-5%
firebase-storage
top-5%
Github Skills (18)
ios10
python10
image-processing10
image10
swift10
ui-design9
firebase-storage9
front-end-development9
uid9
firebase9
appstore6
linked-list6
corelocation6
nsmutablestring6
distributions6
Programming languages (17)
Github contributions (5)
Esri/arcgis-runtime-samples-ios
Mar 2020 - Dec 2022
Swift samples demonstrating various capabilities of ArcGIS Runtime SDK for iOS
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:7 releases, 785 reviews, 2488 commits in 2 years 9 months
Contributions summary:Tessa primarily contributed to the development of iOS sample applications. They focused on implementing UI elements and code changes in Swift, as indicated by commits related to "Update source code" and the modification of Swift files. The user's commits include fixing typos and adding dark mode compatibility, and they seem to be involved in general sample maintenance and improvement.
arcgis-runtimearcgisruntimeatsios
python-pillow/Pillow
Aug 2018 - Sep 2018
Python Imaging Library (Fork)
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR, 6 comments in 29 days
Contributions summary:Tessa focused on improving the performance and correcting code within the `PIL/ImageDraw.py` file. Their work included optimizing the `floodfill` function using Python's built-in `set()` data type. They also corrected documentation formatting and fixed typos, demonstrating a commitment to code quality and readability. Furthermore, the user improved comments and one aspect of the floodfill logic, aligning with discussions from a related pull request.
imagepythonimagingpython-3image-processing
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