Tess Ferrandez
Principal Software Development Engineer at Microsoft
Sweden
Summary
🤩
Rockstar🎓
Top SchoolTess Ferrandez is a Principal Software Development Engineer at Microsoft with over two decades of experience diagnosing and engineering resilient .NET and Azure-based systems, and a decade in her current senior roles. She combines hands-on C# and Python development for machine learning and cloud services with deep expertise in debugging production crashes, performance issues, and memory analysis. Tess champions engineering fundamentals across teams—code reviews, testing, CI/CD, security and observability—and codifies best practices through Microsoft’s Code with Engineering Playbook. An active open-source and community contributor, she’s contributed backend and DevOps work to notable projects such as microsoft/AzureTRE, helping organizations build Trusted Research Environments on Azure. She regularly speaks at conferences and publishes practical labs and case studies on debugging and performance on her blog, reflecting a belief that sharing knowledge is a responsibility of senior engineers. Based in Sweden, Tess combines pattern-focused thinking and curiosity about computer-human interaction with a pragmatic focus on shipping reliable systems.
10 years of coding experience
13 years of employment as a software developer
Engineer, Computer Science, Engineer, Computer Science at Dalarna UniversityEconomics Classes, Economy, Economics Classes, Economy at Mid Sweden UniversityMaster of Science, Computer Engineering, Master of Science, Computer Engineering at University of Central Florida
English, Spanish, Swedish
Github Skills (17)
api-rest10
fastapi10
python10
apidoc10
api-design10
restful-api10
api10
rest-api10
terraform9
dockers9
cicd9
pytest9
docker9
terraformer9
azure8
Programming languages (12)
Github contributions (5)
microsoft/AzureTRE
May 2021 - Oct 2021
An accelerator to help organizations build Trusted Research Environments on Azure.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:218 reviews, 81 commits, 159 PRs in 5 months
Contributions summary:Tess implemented the health endpoint and made subsequent changes to the code. The user added tests and enhanced the code. The user also fixed paths, added requirements install, and restructured the code. Furthermore, the user added functionality to manage services within the project.
azure
microsoft/code-with-engineering-playbook
Feb 2020 - Jan 2023
This is the playbook for "code-with" customer or partner engagements
Contributions:429 reviews, 105 commits, 259 PRs in 2 years 11 months
agilepartnerdockergraphqlplaybook
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