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!

Renaldi Gondosubroto
SEEK, Australia
Mentorship available
Renaldi Gondosubroto is a Software Developer from Seek Limited, where he works on the backend of the home page which is accessed by all jobseekers who search for jobs on the site as well as the infrastructure which powers it. Previously he has worked as a .NET software developer for automobile companies and has been active within the research community; putting a lot of his research focus within IoT and virtual reality. Through his passion of developing software and contributing to the opensource community, Renaldi wants to encourage the innovation of new solutions to usher forward and promote a new era of innovations that can be used by everyone. Having spoken at 20+ events and conferences, he has also been active on the open source community for the past five years, building solutions on the cloud and sharing his experiences and projects.

Jan Peer Stöcklmair
Dynatrace, Austria
I am coming from OpenSource (OSS) and love to work with people. I try to fix bug's and add features in various OSS projects as only with that things are getting better. In my spare time I like to go climbing, kitesurfing, biking and many other things. Of course I also do a lot of coding.

Samuel Esogbue
Apex Motive, Nigeria
Samuel is a Generative AI Engineer with a strong desire to solve problems.
He constantly works on developing new and creative AI solutions that push people's life & businesses forward.
Motivated by his keen interests in technology and psychology, along with his dedication to doing excellent work, Samuel focuses on building AI solutions that improves people's lives by directly addressing economic issues.
Being efficient and productive is extremely important to him, driving his goal to create powerful, leading AI solutions that bring about positive change.

Austin Fahsl
Nx, USA
Austin Fahsl is a senior engineer at Nx and a core maintainer of Lerna. With a background in enterprise web application development, his passion for building things is driven by a fascination for human psychology. Austin lives in Colorado and enjoys board games, craft beer, and live music.

Darrell Warde
Neo4j, UK
Darrell is a senior software engineer and the GraphQL team lead at Neo4j, where he primarily works with TypeScript and of course, GraphQL! After many years of building GraphQL services, he has brought his passion for the technology to the company to build a library which will enable users to quickly get up and running with GraphQL and Neo4j. Darrell joined Neo4j at the start of 2021 following 7 years working in the public sector, which started with an apprenticeship where he learnt how to develop software. Darrell enjoys staying active by going to the gym and cycling, and plays Brazilian samba drums!

Karol Przystalski
Codete & Medtransfer, Poland
Obtained a PhD degree in Computer Science in 2015 at the Jagiellonian University in Cracow. CTO and founder of Codete. Leading and mentoring teams at Codete. Working with Fortune 500 companies on data science projects. Built a research lab for machine learning methods and big data solutions at Codete. Gives speeches and trainings in data science with a focus on applied machine learning in German, Polish, and English. Used to be an O’Reilly trainer.

Omar Diop
Learnn, Italy
"Passionate Software Engineer with a strong background in technology and a desire to constantly learn and grow and share.
Omar has always been fascinated by technology since a young age and aspired to turn his passion for programming into a career.
At the same time, he has a strong passion for marketing, funnel optimization, product development, and business.
He dedicates a portion of his time experimenting with new solutions in these areas on projects that interest him.

Vivek Vidyasagaran
Synthesis School, USA
Vivek is a game developer and software engineer. He graduated with a Master’s in Entertainment Technology and has been designing and building kids’ educational games ever since. He is driven by a belief that games are the best way to make kids fall in love with learning.

Nikhil Chandrappa
Yugabyte, USA
Nikhil is a Software Engineer at Yugabyte. He is leading the efforts on YugabyteDB integrations with open source developer tools like GraphQL, Spring Data, R2DBC, and Kubernetes. He also works with the developer community on the adoption of Distributed SQL databases in cloud native applications. He has presented at major developer conferences, including Spring One Platform, PostgreSQL Conference, and Distributed SQL Conference. He is originally from Mysore, India, and has a master’s degree in Computer Engineering from Syracuse University.

Cat Johnson
Khan Academy, USA
I am a Senior Frontend Engineer at Khan Academy and I’ve been working in the industry for over 6 years. During my day job I work mostly on React web components and focus on Accessible Technology. On my off hours I love talking about how to create more accessible and inclusive web applications and hosting a podcast discussing new technology creating positive social impact in our world today. I firmly believe technology can be used to create a more inclusive and equitable world as long as we keep it in check.

Victor Cordova
Travelperk, Spain
I'm a Software engineer obsessed with solving people's problems through easy to change and easy to test software. I'm in love with the web platform so I specialize in web technologies such as JavaScript, React, CSS, HTML, and Node.js.
I've designed and implemented web applications in small and large organizations for clients on 4 continents. I'm currently working on making the ultimate flight booking experience for companies at TravelPerk.
I also blog about software engineering and web development on my personal website victorandcode.com, https://dev.to/victorandcode and hackernoon.com/u/vcordova.

Dipanshu Gupta
Red Hat, India
I am a Software Engineer at Red Hat, specializing in front-end development for cloud-native applications. My work focuses on building intuitive and performant user interfaces for OpenShift AI and other open-source projects. I am passionate about using React and related technologies to create seamless user experiences that empower developers and the community.