Alessio Franceschelli
Senior Principal Engineer at NewDay
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolAlessio Franceschelli is a Senior Principal Engineer based in London with 14 years of professional experience and nearly two decades of polyglot hands-on engineering across backend, front-end and cloud. He specializes in API design, performance and ASP.NET Core—having contributed to high-profile projects like the ASP.NET Core Kestrel server—and has led migration efforts that delivered significant cloud cost savings. At Trainline and NewDay he combined technical leadership, mentoring and hands-on delivery to standardize stacks, improve observability and optimize resource usage across microservices on AWS. He also contributes front-end UX improvements and cross-device sync features in open-source projects, demonstrating a rare full-stack fluency from low-level server connection handling to polished client experiences. A pragmatic architect with a strong academic foundation from Università di Bologna, he frequently pairs coaching and standards-setting with shipping production-ready code.
14 years of coding experience
17 years of employment as a software developer
University of BolognaHigh School Diploma, Computer Specialization, A level (100/100 in Italy), High School Diploma, Computer Specialization, A level (100/100 in Italy) at Istituto Tecnico Industriale Aldini Valeriani
English, Italian
Stackoverflow
771reputation
66kreached
29answers
0questions
Github Skills (24)
kestrel10
javascript10
google-analytics10
css10
net10
dotnet10
asp-net-core10
asp-net10
dotnet-core10
html10
csharp10
google-drive-api10
ui-design9
dotnet-new9
exp9
Programming languages (15)
Github contributions (5)
uxchecklist/uxchecklist.github.io
Dec 2014 - Feb 2019
ux project checklist
Role in this project:
Front-end Developer
Front-end DeveloperContributions:12 commits, 2 PRs, 3 pushes in 4 years 2 months
Contributions summary:Alessio primarily contributed to the front-end aspects of the UX checklist project. They integrated Google Analytics tracking for user interactions, including checkbox changes, button clicks, and popup events. Furthermore, the user implemented Google Drive integration to synchronize the checklist state across devices, incorporating user authentication and project management features. They also refactored and enhanced the checklist UI with new elements such as project rename and share features.
checklistreact
dotnet/aspnetcore
Feb 2018 - Dec 2020
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 25 commits, 28 PRs in 2 years 10 months
Contributions summary:Alessio primarily contributed to the Kestrel server within the ASP.NET Core framework. Their work involved addressing connection handling issues, specifically around request consumption and closing connections. They also implemented features such as allowing Content-Length for 304 Not Modified responses and added support for header propagation. Furthermore, they made several changes to the Response Caching middleware.
cloud-computingdotnetlinuxwindowsaspnetcore
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