Marcin Hoppe

JavaScript Conference 2023 (Warsaw & Online)
Learn from the Best
Meet Marcin Hoppe

Marcin Hoppe

Can You Keep a Secret... in JavaScript?

JavaScript is used to process all kinds of data. This includes the most sensitive bits of information about users, customers, and employees. Do you know how to keep this data secret in JavaScript?

In this fast paced talk you will learn about JavaScript support for cryptography, both in Node.js and in the browser. Next, you will explore how to accomplish the most common data protection tasks such as hashing and encryption. Finally, you will learn the tips & tricks that will allow you to safely navigate the pitfalls of writing secure cryptographic code.

Marcin Hoppe - Principal Security Engineer , Okta | Poland

Marcin Hoppe is a security architect on the Customer Identity Cloud (Auth0) team at Okta. He is passionate about building secure applications in JavaScript and promoting security best practices in the software development community. Marcin’s experience covers software engineering and various areas of information security, such as identity and access management, application and cloud infrastructure security, zero-trust architectures, cryptography, and privacy.

Learn from the Best Featured Speakers

Companies that support the JavaScript ecosystem
Our Sponsors 2026

By becoming a sponsor of JS Poland, you gain a unique opportunity to showcase your company and products to hundreds of experienced JavaScript developers, engineers, and tech leaders from across Europe. This kind of exposure can boost visibility, strengthen your brand within the JS community, and help you attract top engineering talent. To learn more about our sponsorship opportunities, please fill in the form.

Join our mailing list

Sign up to receive updates about JS Poland, including workshops, speaker previews, ticket launches, JS Awards, JavaScript Master Podcast, Behind the Code Magazine, CFP details and other exclusive content. We won’t spam you and will only send you emails we genuinely think you’ll find interesting. You can unsubscribe at any time and you can find more information here.