Sandrino Di Mattia
Chief Product Architect & Vice President, Product Architecture at Okta
Brussels Metropolitan Area Belgium
Summary
🤩
Rockstar🎓
Top SchoolSandrino Di Mattia is a product-focused engineering leader with 13 years of experience designing identity and security systems, currently serving as Chief Product Architect & Vice President, Product Architecture at Okta for the Auth0 product unit. He blends hands-on engineering (notably contributions to widely used open-source projects like nextjs-auth0 and node-jwks-rsa) with cross-functional product strategy to make identity simple for developers and enterprises. His work spans SDKs, API clients, and backend libraries—shipping improvements in session management, refresh-token handling, JWKS caching/rate-limiting, and .NET API capabilities. Based in Brussels, he has progressed from frontline .NET engineering and consulting to senior architecture roles, giving him a rare view of customer-facing operational needs and long-term platform scalability. Colleagues rely on him to translate complex security protocols into pragmatic, test-covered features that support growth.
13 years of coding experience
12 years of employment as a software developer
Information Technology, Information Technology at HOGENTInformation Technology, Information Technology at Belgium Jobs
English, Dutch, French, Italian
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Github Skills (47)
api-rest10
caching10
rate-limiting10
azure-storage10
session-management10
api-design10
restful-api10
openid-connect10
net10
azure-table-storage10
testing10
user-authentication10
authentication10
dotnet10
typescript10
Programming languages (8)
Github contributions (5)
auth0/node-jwks-rsa
Jul 2016 - Oct 2017
A library to retrieve RSA public keys from a JWKS (JSON Web Key Set) endpoint.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 commits, 8 PRs, 19 pushes in 1 year 3 months
Contributions summary:Sandrino implemented caching and rate-limiting features within the `node-jwks-rsa` library, enhancing its performance and resilience. They added wrappers to handle caching and rate limiting, preventing excessive requests to the JWKS endpoint. The user also introduced tests to verify the caching and rate-limiting functionality. Additional contributions included the addition of demo code for both Express and Hapi.
rsadx-sdkkeysverifypublic-keys
auth0/nextjs-auth0
Sep 2019 - Oct 2020
Next.js SDK for signing in with Auth0
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:7 reviews, 86 commits, 51 PRs in 1 year 1 month
Contributions summary:Sandrino primarily focused on enhancing the `nextjs-auth0` repository's functionality. The user made significant changes to the session management and user profile handling, including moving user claims to a separate object and adding support to store the refresh token. Furthermore, the user implemented and tested the new features in various contexts and added support for overriding HTTP timeouts.
next-jsreactsigningauthenticationdx-sdk
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