Erik Christensen
Senior Software Engineer at PTC
Waltham, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolErik Christensen is a Senior Software Engineer with two decades of experience building and maintaining large, long-lived CAD and PLM systems and now contributing to cloud-native CAD at PTC/Onshape. He began programming in childhood, shipped his first paid work as a college sophomore after modding and developing games on the Unreal Engine, and later moved into commercial 3D CAD where he solved complex C++ engineering challenges. Erik mentors teams, drives software engineering best practices, and has a curiosity for mobile and cross-platform tooling—he authored the Kotlin Multiplatform date-time library "Island Time." An active open-source contributor, he has improved TypeScript definitions in the high-profile DefinitelyTyped repository, including MongoDB typings and Highcharts updates. Based in Waltham, MA, he blends deep systems experience with a lifelong hacker mentality that surfaces in both production-grade engineering and side projects.
7 years of coding experience
19 years of employment as a software developer
B.S., Computer Systems Engineering, B.S., Computer Systems Engineering at University of Massachusetts Amherst
Stackoverflow
11reputation
0reached
2answers
0questions
Github Skills (13)
typescript10
typescript-definitions10
dts10
typescripts10
mongodb10
type-definition10
typescript-types10
mongodb-database10
highcharts7
android-recyclerview6
android6
mpandroidchart6
java6
Programming languages (4)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Nov 2018 - Mar 2019
The repository for high quality TypeScript type definitions.
Role in this project:
Backend Developer
Backend DeveloperContributions:8 commits, 2 PRs, 1 comment in 3 months
Contributions summary:Erik primarily contributed to the TypeScript type definitions within the DefinitelyTyped repository. Their work involved adding missing methods and properties, fixing type-related issues, and correcting deprecation warnings related to MongoDB types. The user also introduced new interfaces for index specifications and collation documents, further improving the type definitions for the MongoDB package. Additionally, the user merged changes from another branch, which included updates to Highcharts type definitions.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
erikc5000/nest-mongodb
Jan 2019 - Jul 2022
MongoDB driver module for NestJS
Contributions:7 releases, 42 commits, 5 PRs in 3 years 6 months
nestjsmongodb-databasenestnodejsmongodb-driver
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