JavaScript experts, mentors, speakers
Explore personalities and their talks, workshops, videos, and articles. While we focus primarily on JavaScript and frameworks like React, Vue, Svelte, and Node, you may find experts on other fields on our Portal. To name a few – Testing, DevOps, Machine Learning, and many more!
![Christian Stuff](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1695299471/Christian_Stuff_bearbeitet_3_1_y9hno4.jpg?auto=format,compress&fit=crop&w=300&h=300)
Christian Stuff
Daily, Germany
Christian is an experienced, hands-on frontend developer with a history dating back to the days of table-based layouts and using background images for rounded corners. He's worked with clients of varying industries and sizes. He's been with Daily since early 2020, working on Daily Prebuilt, Daily’s ready-to-go embeddable solution for video calls of all sizes, and Daily React, Daily’s React library for building audio and video in React apps.
Kyle Simpson
Software Engineer, Public Speaker, and Teacher, USA
Kyle Simpson is a human first and then an engineer. His mission is to show the world that the culture of empathy and relational information exchange are keys to unlocking the full potential of every human in the workplace. JS and open web technologies are among Kyle's favorite tools to augment human endeavors. Kyle has published 10+ books on JS, taught thousands of developers from teams around the world, and his training videos have been watched over 750,000 hours. He's still fighting for the people behind the pixels.
![Nico Krüger](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1623149110/yw3gzcigizsizohjzlwh.jpg?auto=format,compress&fit=crop&w=300&h=300)
Nico Krüger
Rollbar, USA
Nico is the Senior Director of Solutions Engineering at Rollbar. He has spent over 13 years working with companies around the world to improve their software development lifecycle focused on quality critical applications. His passion is helping teams deliver quality products to market faster.
“Do what you love and love what you do!”
![Elena Vilchik](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1648558003/zxvszslmockkolsoygvd.jpg?auto=format,compress&fit=crop&w=300&h=300)
Elena Vilchik
Sonar, Switzerland
Elena is a Software Engineer at Sonar, which provides tooling around code quality and security. Her main project is a static code analyzer for JavaScript and TypeScript used by SonarQube, SonarCloud, and SonarLint. Elena focuses on the clean code and tries to ensure the precision of the developed analyzer.
![Dianing Yudono](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1625142989/qn8wzgxeycxa9veiwbc7.jpg?auto=format,compress&fit=crop&w=300&h=300)
Dianing Yudono
Shopify, UK
Dianing Yudono has over a decade of software engineering experience in different products, teams and cultures. She is currently at BCG Digital Ventures, a global company that invents, launches and scales disruptive businesses. Before that, she was at ThoughtWorks, a global software consultancy.
![Oleksii Levzhynskyi](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1731444968/Oleksii_Levzhynskyi_viosfb.jpg?auto=format,compress&fit=crop&w=300&h=300)
Oleksii Levzhynskyi
Grammarly, Portugal
I’m an Area Tech Lead at Grammarly. I have 12 years of experience building web-based applications that millions of users use. In my spare time, I contribute to open-source, write technical articles, give public talks, and serve on the program committee of fwdays conferences.
![Aditi Verma](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1681339995/dev/Aditi_Verma_l2xlbv.jpg?auto=format,compress&fit=crop&w=300&h=300)
Aditi Verma
McKinsey & Company, Vietnam
Experienced solution architect and full stack developer with 5 years of experience @McKinsey & Company. Life as a technical consultant has given me the opportunity to explore breadth of stack for various clients and suggesting improvements in development practices, code quality and architecture.
![Michael Zion](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1706093885/IMG-20240103-WA0004_zz8brb.jpg?auto=format,compress&fit=crop&w=300&h=300)
Michael Zion
MeteorOps, Israel
Helping startups outperform their competitors (using DevOps). Programming since the age of 12 (with breaks here and there, don’t worry). Operating high-scale systems since 18, and obsessed with DevOps since 20. Exploring new ways for startups to enjoy DevOps, and writing about it on my website. Occasionally playing guitar in jam sessions, and eating sandwiches in a different kind of jam sessions.
![Toni Petrina](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1635190930/aaz0wccn2phsabryqagq.jpg?auto=format,compress&fit=crop&w=300&h=300)
Toni Petrina
Visma, Denmark
Tech lead at Visma e-conomic, developer at heart and frequent speaker at conferences, user groups and local events. Started in QBasic, went through C++ to C#, finally settled in...full-stack? He spends most of the time at the keyboard typing yet another demo or application. If you take his keyboard away from him, he will talk endlessly about code...and functional programming. Been coding for over a decade to know if something is a programming fad or not. And no, functional programming is not a fad at all. Strong proponent of Open Source and all things chocolate.
![Yevheniia Hlovatska](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1656687822/qsa26hmpzcxbt6apf5lb.jpg?auto=format,compress&fit=crop&w=300&h=300)
Yevheniia Hlovatska
Wix, Ukraine
Yevheniia is from Ukraine, she is a QA Manager at Wixm an Authorized ICAgile Instructor in Agile Testing and automated testing courses author. Her main focus is on building the test automation strategy and best practices for web and mobile applications testing at Wix. She believes in balanced test automation as a tool to support the development velocity, shares her knowledge at conferences and workshops and promotes collaboration between developers and QAs around test automation.
![Riaz Virani](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1666857225/dev/Riaz_Virani_zqkvet.jpg?auto=format,compress&fit=crop&w=300&h=300)
Riaz Virani
Find Niya Software, Canada
Riaz Virani has over a decade of experience in building products and engineering teams. He was most recently CTO at LoadUp Technologies, which topped out at 118 on the Inc 500 Fastest Growing privately-held companies in 2019. Prior to that, Riaz worked in web performance, machine learning, and consulting.
![Valentin Kononov](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1636464778/jl245da3njukpaqsyrsu.jpg?auto=format,compress&fit=crop&w=300&h=300)
Valentin Kononov
Unity, Finland
Valentin just started to work at Unity3d in Helsinki as Full-Stack Software Engineer. Before that he worked at Mapbox R&D center in Minsk, Belarus. Experienced in Typescript, SQL, .NET, Angular, React, NodeJS, NestJS and other interesting stuff in full stack software development. He loves modern web technical stack, but strongly believes in understanding of fundamental aspects of programming. He likes code writing, work in amazing and useful projects, which can bring something valuable to people. His spare time is mostly dedicated to his family, reading and writing, and also traveling is important part of his life!
![Zachary Conger](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1623859884/tydm8gm33h49wcfjeshg.jpg?auto=format,compress&fit=crop&w=300&h=300)
Zachary Conger
StackHawk, USA
Zachary is a Senior DevOps Engineer at StackHawk. As a startup junkie, he has played many roles including operations, engineering, product development, and leadership. In his current role, he is focused on the evolving CI/CD landscape and how this diverse set of technologies can be used to improve the productivity of software developers, and the quality of the code they produce. Outside of work he enjoys music, photography, cycling, and various pastimes.
![Stephan Schneider](https://gitnation.imgix.net/stichting-frontend-amsterdam/image/upload/v1638913878/pxu8vc8udanjfa4ueur8.jpg?auto=format,compress&fit=crop&w=300&h=300)
Stephan Schneider
Contentful, Germany
Stephan Schneider is a backend developer at Contentful. Since 2018 GraphQL is not just an interesting technology for him anymore when he started participating in the company's initial development of their first GraphQL API. He has not stepped back since and constantly plays with new ways to integrate pre-existing data into GraphQL.