# Stellan Muller-Cohn

> Software Engineer in Test at Illumina

Location: San Diego Metropolitan Area, United States
Profile: https://flows.cv/stellan

Passionate programmer who loves writing any sort of code. Has experience with Python, Javascript, Typescript, React, PowerShell, REST and OpenCV.

## Work Experience
### Senior Software Engineer @ Illumina
Jan 2024 – Present | San Diego, California, United States
Software engineer focused on building Backend test infrastructure for continuous
integration of on-instrument software.
- Implemented and maintained automation for formal verication and continuous testing
of on-instrument software using Python and C#
- Designed and implemented replacement for manual test agent conguration
management process with automated Ansible-based solution
- Developed authentication and data management features for an internal web-based
data visualization service using the Dash(Python) Full Stack framework
- Managed deployments of an internal web-based data visualization service and the
required reverse-proxy and cache services

### Software Engineer In Test @ Illumina
Jan 2022 – Jan 2024

### Software Engineer @ Mobile Xpress Clinics
Jan 2022 – Jan 2022 | San Diego, California, United States
Contract software engineer responsible for delivering customer and employee facing web
and mobile features in support of Covid testing operations.
- Designed and implemented reporting of Covid testing site demographic data using
Google Firebase and ReactJS with Typescript
- Added functionality for employee Covid testing intake iOS application using Swift
- Setup integration tests utilizing production-like Frontend and Backend deployments

### Python Test Engineer @ HP
Jan 2021 – Jan 2022
Software engineer focused on building and maintaining Python-based automation
systems and internal tooling to support quality and release condence for a large-scale
consumer mobile application.
- Maintained and implemented test automation and framework features for testing of a
large-scale consumer mobile-application on both Android and iOS
- Built an internal data processing tool to collect and format nightly test results for the QA
team

### Automation Engineer @ Dexcom
Jan 2020 – Jan 2021
Automation engineer supporting internal IT and identity systems by building and
maintaining tooling for employee lifecycle management, authentication, and platform
migrations.
- Designed and maintained system for managing employee lifecycle using ServiceNow
- Automated migration of employee accounts from legacy to new systems
- Stood up and maintained Okta instance
- Assisted team with one-off PowerShell scripts

### Desktop Support Specialist @ Dexcom
Jan 2019 – Jan 2020 | San Diego, California, United States
Worked for the Desktop Support team at Dexcom's San Diego campus. The primary duties in this role were delivering, imaging and configuring hardware for employees. Another part of this job was helping troubleshoot or escalate issues employees were facing with their computers. Near the end of my team on this team I started optimizing and rewriting PowerShell scripts for the ServiceNow and System Administration team.

### Information Technology Support Assistant @ San Francisco State University
Jan 2017 – Jan 2019 | San Francisco, California, United States
Worked on the IT Help Desk for San Francisco State University. My primary duties were troubleshooting PC and MAC issues, communicating between engineers and end users about account related issues all driven by ServiceNow's ticketing system.

### Software Developer @ BioFluidica, Inc.
Jan 2018 – Jan 2018 | San Diego, California, United States
While working for Biofluidica I setup various scripts for automating daily tasks such as summarizing cell counting results. My primary objective in this role was setting up an automated cell counting pipeline using python3, OpenCV and PyQT for the user interface.

### Laboratory Technician @ Biomatrica
Jan 2014 – Jan 2014 | San Diego, California, United States
During the summers of my Freshman and Sophmore years in High School I worked for Biomatrica maintaining and proliferating a few cell lines for their expirements. I learned how to pipet, cultivate cell lines, work safely in a fume hood and how to use a centrifuge for cell extraction.

### Laboratory Technician @ Biomatrica
Jan 2013 – Jan 2013 | San Diego, California, United States
During the summers of my Freshman and Sophmore years in High School I worked for Biomatrica maintaining and proliferating a few cell lines for their expirements. I learned how to pipet, cultivate cell lines, work safely in a fume hood and how to use a centrifuge for cell extraction.


## Education
### Computer Science
San Francisco State University
Jan 2016 – Jan 2019


## Contact & Social
- LinkedIn: https://linkedin.com/in/stellan-muller-cohn-675247202
- Website: https://stellanmc.com

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Source: https://flows.cv/stellan
JSON Resume: https://flows.cv/stellan/resume.json
Last updated: 2026-03-29