# Katherine Kjeer

> Software Engineer

Location: Mankato, Minnesota, United States
Profile: https://flows.cv/katherinekjeer

Background: Senior Software Engineer with experience in web development (TypeScript), compiler development (C++), and mentoring junior computer science professionals.

Strengths: Building new applications, contributing to developer-facing tools such as component libraries, and analyzing problems using abstract math and logic.

Technical Skills: TypeScript, React, C++, Clang, LLVM

Direction: Motivated by software engineer roles in educational technology or developer productivity.

Website: https://katherinekjeer.herokuapp.com/
GitHub: https://github.com/kkjeer/

## Work Experience
### Senior Software Engineer @ Higharc
Jan 2022 – Jan 2023
Web development focused on frontend work (TypeScript, React). Worked with design, product and engineering on the development of an internal component library to increase scalability and testability of React components. Created a new file browser page to enable customers to manage their own home plan documents.

### Software Engineer @ MathWorks
Jan 2021 – Jan 2022
Compiler development in C++. Maintained back end of MATLAB compiler, enabling customers to use MATLAB to solve scientific and engineering problems.

### Software Engineer 2 - Checked C @ Microsoft
Jan 2019 – Jan 2021 | Redmond
Compiler development work in C++, Clang, and LLVM. Developed a new compiler for a C-based programming language in order to detect and prevent programming errors such as out-of-bounds memory accesses, as part of a team of four research engineers. Generalized the static checker responsible for verifying the validity of programmer-declared bounds invariants by generalizing the checker from variables to equivalence classes of lvalue expressions and reduced the amount of false positive warnings.

Pull requests: https://github.com/microsoft/checkedc-clang/pulls?page=1&q=is%3Apr+is%3Aclosed+author%3Akkjeer

### Software Engineer / Software Engineer 2 - Fabric Bot @ Microsoft
Jan 2018 – Jan 2019 | Redmond, Washington, United States
Built a new web application (TypeScript, React, Azure) with one other engineer to help engineering teams reduce the cost of running open-source projects by automating workflows for GitHub repositories, including triage, review, release announcement, project management, and automatic merging, powering 371 repositorities at Microsoft. Project was the winner of the 2019 Microsoft Fix, Hack, Learn award for the project with the highest impact.

### Software Engineer / Software Engineer 2 - Fluent UI @ Microsoft
Jan 2018 – Jan 2019 | Redmond, Washington, United States
Developed and maintained a front-end library of React components for building web, desktop, and mobile user interfaces, along with five engineers and one product designer. Drove the implementation of the Stack component (abstract CSS flexbox). Mentored three early university interns to build a Chrome Extension allowing users to build and track custom GitHub queries.

### Software Engineer - Microsoft Office @ Microsoft
Jan 2016 – Jan 2018 | Redmond, Washington, United States
Worked on desktop and web applications to improve the user experience for Microsoft Office customers.

### Software Developer Intern - Garage @ Microsoft
Jan 2015 – Jan 2015 | Cambridge, MA


## Education
### Bachelor of Arts (B.A.) in Computer Science
Wellesley College
Jan 2012 – Jan 2016


## Contact & Social
- LinkedIn: https://linkedin.com/in/kkjeer
- Website: https://kkjeer.github.io/
- GitHub: https://github.com/kkjeer/

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Source: https://flows.cv/katherinekjeer
JSON Resume: https://flows.cv/katherinekjeer/resume.json
Last updated: 2026-03-22