John Duprey
Senior Developer at CyberDrain
Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Duprey is a Senior Developer based in Massachusetts with a decade of hands-on experience building reliable full-stack solutions and infrastructure for networked systems. He blends front-end React work—improving UIs, layouts, and user interactions—with back-end and DevOps expertise, including DNS integrations and resilient API error handling. A long tenure as a Senior Systems Engineer and current roles at CyberDrain and Complete Network reflect strong operational chops and an ability to shift between consulting and in-house delivery. His open-source contributions to a multitenant M365 management tool and its API show practical experience shipping cross-cutting fixes that improve UX and backend reliability. Known for pragmatic refactors (like replacing hardcoded URIs and consolidating DNS functions), he brings a systems-first mindset to application design and debugging.
10 years of coding experience
15 years of employment as a software developer
Bachelor of Arts (B.A.) Information Science, Computer Science, Bachelor of Arts (B.A.) Information Science, Computer Science at University at Albany
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (19)
apidoc10
ui-design10
uid10
api10
dns10
front-end-development10
powershell10
error-handling10
react10
component-design9
apim9
azure-functions9
rest-api8
devops7
css7
Programming languages (4)
Github contributions (5)
KelvinTegelaar/CIPP-API
Oct 2021 - Jan 2023
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:1 release, 10 reviews, 250 commits in 1 year 3 months
Contributions summary:John primarily focused on enhancing the back-end functionality and reliability of the API. They addressed a debugging issue by replacing a hardcoded URI with a dynamic one. The user also refactored code to handle potential errors, like adding try/catch blocks for GraphGetRequest calls. Moreover, they consolidated DNS functions and integrated support for multiple DoH JSON providers, suggesting a deep understanding of DNS and API integration.
KelvinTegelaar/CIPP
Oct 2021 - Dec 2022
CIPP is a M365 multitenant management solution
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:138 commits, 490 PRs, 754 pushes in 1 year 1 month
Contributions summary:John primarily contributed to the frontend components, focusing on UI improvements and layout adjustments. They updated the `IndividualDomain.js` file, making changes to the card layout, adding copy buttons, and refactoring components for better user experience. Additionally, they merged updates from the `upstream/react` branch and addressed bug fixes related to the display of records, showcasing experience in React and UI development. They also added and modified code across different components within the codebase, primarily related to frontend elements.
m365solution-managementmultitenantbarrage
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