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!
David Woller
David Woller
Rollbar, USA
David works as a post-sales Solutions Engineer at Rollbar, with a focus on customer enablement and custom solutions delivery. He is passionate about anything that combines technical learning with customer interaction, and is curious about finding ways to apply technology to improve the UX of everyday life. He has specific knowledge around software observability practices, and worked as a Professional Services Consultant at Sumo Logic before joining Rollbar in August. David earned a BS in Computer Science from Auburn University.
Pramod Shenoy
Pramod Shenoy
Cloudinary, USA
Pramod Shenoy is currently working as a Solutions Architect at Cloudinary. His interests align with his 8 years of experience at Akamai and Catchpoint in web performance and optimization, CDNs and monitoring digital experiences. Outside of work Pramod likes to hike, read blogs on tech, sports and stock markets.
Illia Kibalnyi
Illia Kibalnyi
Nord Security, Ukraine, Germany
~10y of experience as a full stack engineer with a focus shifted from the backend to the frontend since ~5 years ago. For the past 5 years live in Berlin, Germany. Like strict typing, functional programming, tech in general, traveling, and gaming.
Samuel Pinto
Samuel Pinto
OLX, Portugal
Samuel Pinto is a Frontend Engineer since 2013, he has been working with large using facing applications in companies like Microsoft, Bumble, and OLX. He worked from 5 different countries and loves to be involved and learn new cultures.
Sebastian Witalec
Sebastian Witalec
Weaviate, Denmark
Sebastian Witalec is the head of Developer Relations at Weaviate. He loves working on both serious and fun projects, and one day he will use his robot army to conquer the world. He is always happy to learn about new stuff and to pass the knowledge as far as his voice (or the wire) can take him. Sebastian is based in Copenhagen, actively working with various Dev communities across Europe. When not acting techie, he is a massive football fan/player (probably bigger at heart than in skills).
Hendrik Demmer
Hendrik Demmer
PlayPack, Germany
Game developer with a healthy curiosity for the web. Worked at Wooga for a few years, then freelanced in several game studios. Now in charge of making tech work at PlayPack here in Berlin.
John Robb
John Robb
webkid.io, Germany
John joined React Flow in 2022 and takes care of the documentation, communication and community.
Marko Locher
Marko Locher
GraphCDN, Austria
Experienced Customer Success professional with a history of working in developer tooling and startups. Extensive background as a support professional.
Rodrigo Donini
Rodrigo Donini
Toptal, Spain
Rodrigo is a focused developer who produces digital projects for agencies around the world. He has 20 years of experience using various methodologies and tech in most web and mobile projects. He has a strong knowledge base of the WordPress world and is very engaged with the community: building custom themes, plugins, and core customizations. He specializes in WordPress, developing for the front-end back-end and in managing digital projects.
Siriwong (Ching) Wongthongserm
Siriwong (Ching) Wongthongserm
Coinbase, USA
Siriwong is an Engineer Manager at Coinbase. He enjoys working on products in the latest technology space. Previously, he worked at Facebook in News feed, Videos, and Portal. At Coinbase, he leads the team to innovate in the Crypto space.
Michael Lukaszczyk
Michael Lukaszczyk
GraphCMS, Germany
Founder and CEO, GraphCMS
Lenny Burdette
Lenny Burdette
Apollo, USA
Lenny is a Solutions Architect at Apollo Graph in San Francisco, CA. He was previously a software engineer and graph champion at Square. When he’s not thinking and talking endlessly about GraphQL and frontend, he’s probably trying to recreate some dish from a YouTube cooking video or hanging out with his wife and son.
Misha Kazakov
Misha Kazakov
Netflix, Poland
Currently, building applications to optimize the creation process for Netflix’s movies and TV series - from planning and production to launch, and promotion. Frontend Engineer with 6+ years of experience. Master of engineering degree. Experienced in leading teams, collaborating with stakeholders, mentoring, interviewing, and onboarding new hires. Passionate about learning new technologies and following the latest trends in web development. Worked for both product (Netflix, Atlassian) and service companies.
Johan Eliasson
Johan Eliasson
Nhost, Sweden
Johan Eliasson is CEO & Co-Founder of Nhost. Johan has been building apps his whole life and is passionate about making it easy to develop web and mobile apps. Prior to Nhost, Johan helped grow his family business, driving innovation in the Swedish water treatment market. Johan graduated from Blekinge Institute of Technology with a Master of Science in Computer Security, Computer & Information Systems.
Adam Jahr
Adam Jahr
Vue Mastery, USA
Adam Jahr is the co-founder of Vue Mastery, the ultimate learning resource for Vue developers and the biggest financial backer of the Vue framework. As an e-learning educator, he has taught hundreds of thousands of developers worldwide and teaches live at conferences across the globe. Adam is a proud Vue.js Community Partner. When he isn't teaching Vue, he enjoys creating interactive art installations.
Mario Vercellotti
Mario Vercellotti
Wunder, Finland
Senior Developer at Wunder.
Chinmay Gaikwad
Chinmay Gaikwad
Epsagon, USA
Chinmay is a Technical Evangelist at Epsagon with experience in data center and cloud technologies. Previously, he worked at companies such as Intel, IBM and early-stage startups. Chinmay has an MS in Computer Science from Columbia University and an MBA from UC Berkeley. In his free time, he loves traveling and exploring restaurants.
Robin Marx
Robin Marx
Akamai Technologies, Belgium
dr. Robin Marx is a Web Performance Expert at Akamai Technologies. He focuses on the performance and workings of modern Web protocols like HTTP/2, HTTP/3 and QUIC and has been a contributor in the IETF QUIC working group for multiple years. Robin often talks about web performance at international conferences, making the complex situations more insightful to the wider public. On the weekends, he likes to hit other people with longswords.
Hanna Chen
Hanna Chen
Shopify, Canada
As a former agency developer, Hanna has experience building apps on various platforms. At Shopify, she is a front-end developer on a team dedicated to building out the capabilities that enable great embedded apps. Hanna has spent the last three years building and maintaining Shopify App Bridge, a JavaScript library that lets developers embed apps directly inside the Shopify Admin and Shopify POS.
Manoj Sureddi
Manoj Sureddi
Uber, USA
I'm a Staff Software Engineer at Uber with ten years of experience in software design and development. My expertise lies in building scalable systems, particularly in areas like Generative AI applications and config-driven automation.
Sachin Dangayach
Sachin Dangayach
Applied Materials, India
Sachin is a Deputy Director at Applied Materials leading efforts in Data Science and Advanced Analytics with a team of data scientists, working to provide innovative solutions with a focus on AI enablement in various products and systems for the semiconductor equipment manufacturing industry. He has over 15 years of diverse experience in the Industry around Software, Data Science and Artificial Intelligence.
Jorrik Klijnsma
Jorrik Klijnsma
Ordina, Netherlands
Jorrik’s first lines of code were in the days jQuery ruled. That didn’t scare him. Now he has 6+ years of frontend experience using React and Vue during his day job. In the evening and night hours, a lot of fun projects and other libraries passed his ‘git clone’. When not coding he gets his fair share of laughs going to comedy shows.
Topher Lamey
Topher Lamey
StackHawk, USA
Senior Software Engineer @ StackHawk
David Villamarin
David Villamarin
Stack Builders, Software Developer, Ecuador
I'm David Villamarin, a Front-End Software Developer with over 5 years of expertise in JavaScript and TypeScript. I actively contribute to open-source initiatives and like to share my knowledge and experiences with the broader software community. Beyond coding, I am an avid chess player, sports enthusiast, and eclectic reader. I look forward to contributing to the community and exchanging insights with fellow developers.