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!
Tim Makin
Tim Makin
CDL, UK
Tim Makin is a Software Engineering Manager at CDL with over 20 years of experience in driving innovation and delivering high-impact digital products. They currently lead 14 teams, guiding projects from conception to completion while fostering a culture of excellence. Before their current role, Tim spent six of those years as the founder of a digital agency, developing solutions for world-renowned organisations including the BBC, Tesco, IKEA, and Sage.
Kat Kmiotek
Kat Kmiotek
Zoopla, Scotland
Kat works as Quality Engineer at Zoopla. Tried lots of paths: fine arts, comparative literature, social psychology and cognitive science studies before discovering the most enjoyable so far tech path. Kat solves automation testing challenges at work and jigsaw after work. Lives in Scotland.
Harsh Maheshwari
Harsh Maheshwari
Super{set}, USA, Boston
Mentorship available
I’m Harsh Maheshwari, a Principal Engineer at Optum, UnitedHealth Group. I hold a Master’s in Computer Science and specialize in applied search technology, focusing on Full Stack AI/ML application. I’ve filed patents in this area and have previously created similar solutions for the fintech industry. My work revolves around advancing search methodologies and pioneering innovative frontend development.
Connell Gauld
Connell Gauld
Zappar, UK
As CTO and Co-Founder, Connell oversees Zapworks (Zappar’s AR, VR & WebXR platform) as well as being responsible for all cloud infrastructure. Connell founded Zappar in 2011, alongside Dr. Simon Taylor, Caspar Thykier and Kirk Ewing and is one of the world's leading XR Platforms and creative studios. More recently, Connell and the team launched Zapvision, an app and SDK that's helping people who are blind or have low vision to access product information on packaging through a single Accessible QR code.
Interests:
Simon Stern
Simon Stern
Apricot Studios, Canada
Simon is a full-stack developer and React Native specialist with a keen interest in experimenting with bleeding edge software, building cool products, and sharing knowledge. Over the years he’s had a diverse set of experiences ranging from mobile apps, full-stack development, web3, AI & LLM’s. His clients have won awards in the healthcare space, been featured at the Cannes Film Festival, and were a partner in the Dubai 2020 Expo. Recently Simon has been exploring the frontier of the future as a member of the Network School in Forest City, Malaysia.
Matt Seccafien
Matt Seccafien
DeepL, Germany
Senior Front End Developer at DeepL, working on Design Systems
Graham McNicoll
Graham McNicoll
GrowthBook, USA
Graham is the Co-founder and CEO of GrowthBook, the most popular open-source feature flagging and A/B testing platform. GrowthBook is backed by Y Combinator and Khosla Ventures. Before starting GrowthBook, Graham was the CTO of Education.com for 6 years. Graham is a three-time startup founder, including starting an international non-profit to increase access to communication in the developing world, particularly sub-Saharan Africa. He has a degree in Physics from CMU.
Dhrubesh Deb Sharma
Dhrubesh Deb Sharma
Allganize, India
Frontend Developer at Allganize, Host at The Junior Developer Podcast.
Benjamin Swerdlow
Benjamin Swerdlow
Freestyle, USA
Benjamin Swerdlow took a break from his studies at UChicago, to go work as a Senior Backend Engineer for Apple, who recently took a break from Apple to build Freestyle. He's been building in the Open Source community since high school, and was a technical lead for the World Health Organization's COVID-19 App team.
Ante Tomić
Ante Tomić
Infobip, Croatia
Ante is a skilled and hearing-impaired Senior Software Engineer at Infobip with a strong interest in Web and the technical side of it. With permanent 55% hearing loss in both ears, he’s a testament to the power of determination and hard work which often speaks louder than words. He has a big love and soft spot for rubber ducks and excels at presenting and educating, React, JavaScript, Node.JS, build processes, automation and improving developer and customer experiences. He always shares his own experiences, especially in accessibility. Ante's goal is to always improve, making things more efficient and user-friendly. When he steps away from coding, Ante enjoys discovering new music, long and scenic walks, and capturing the beauty of the world through his hobby of photography, traveling, and travel blogging. As a big extrovert at heart, he’s always up for sharing a laugh, interesting travel stories, or discussing the latest tech topics. Approachable and driven, Ante shows that hearing impairment is just a part of his journey, not the end of his story. If you have a moment, his doors are always open for a chat, so don't hesitate to start a discussion with him - he is more than happy to connect and talk with you!
Zhou Fang
Zhou Fang
ByteDance, China
Developer of lynx-ui for the Lynx family of technologies. Cat enthusiast. Focused on building purr-fect components for Lynx.
Miguel Henriques
Miguel Henriques
AWS, Germany
Miguel Henriques is a Cloud Application Architect at AWS with over 4 years of experience building cloud-based, serverless-first applications for large customers in the automotive industry.
Mike Ryan
Mike Ryan
Polaris, USA
Mike Ryan is the co-founder of Polaris, an AI-powered site reliability platform. Mike is a Google Developer Expert specializing in software architecture. Mike has a strong background in working with IoT in industrial manufacturing and designing sophisticated and elegant user experiences. When not in front of his MBP you can find Mike hiking the backcountry in the Pacific Northwest.
Yevhen Treiher
Yevhen Treiher
UX News, Barcelona
Senior Product Designer at FUIB and founder of ux-news.com
Frédéric Harper
Frédéric Harper
TinyMCE, Canada
Frédéric Harper is a seasoned Developer Advocate with over 20 years in tech, currently Senior Developer Relations Manager at Tiugo Technologies specializing in TinyMCE rich text editor. Fred has held developer advocacy roles at industry giants such as Microsoft, Mozilla, Fitbit, and npm. He's spoken at hundreds of events globally and authored a book on personal branding for developers at Apress.
Vadim Zhamkov
Vadim Zhamkov
Nebius, Netherlands
Vadim Zhamkov is a Fronted Architect with 14+ years experience in web development. Organiser of AmsterdamJS, React Amsterdam and AI Tinkerers Amsterdam meetups. Former organiser of MoscowJS meetups.
Michael Hoffmann
Michael Hoffmann
Freelancer, Germany
Senior Frontend Developer & Freelancer
David Burrowes
David Burrowes
Split.io, USA
David Burrowes is a software engineer at Split.io with a decade of experience developing web applications for companies like Box, Delphix, and VMware. Having worked without feature flags, and with clunky in-house feature flagging frameworks, David is deliriously happy to have all of Split's capabilities at his disposal for every project. For fun, and to prove he’s more Star Trek than Star Wars, David likes to randomly quote large sections for Star Trek II: The Wrath of Khan.
Maxim Nam
Maxim Nam
Tele2, Kazakhstan
Tele2 Kazakhstan, Front-end TeamLead, 10 years of web development, in love with project transformation and refactoring React based applications.
Itai Hanski
Itai Hanski
Descope, Israel
For more than twelve years, Itai has been creating on the full spectrum of software development. Anything from simple POCs to intricately complex systems, from native mobile development to fully fledged backend architecture, from libraries and SDKs to client facing applications.
Amy Blankenship
Amy Blankenship
Senior Full Stack Developer, USA
My degree is in Graphic Design, but when I started coding by accident, I fell in love with the beauty of good code. I've never looked back. I've worked for tiny sole proprietorships and giant multinationals, startups and mature companies. I've found something interesting and worth doing at all of them.
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.
Keren Fanan
Keren Fanan
MyOp, Israel
Keren Fanan is the co-founder and CEO of Myop, a developer-first platform transforming how UI and UX are built, controlled and optimized in production. Keren has held key leadership positions at Moon Active and Gett and has a proven track record of success in scaling startups, launching strategic partnerships and driving profitability. At Gett, a global B2B transportation leader and unicorn, Keren served as Chief Revenue Officer and GM Enterprise. She was instrumental in scaling the company from its early stages to over $200 million in revenue, leading international SaaS strategy and overseeing marketing, sales, and business development. Following Gett, Keren joined Moon Active, a $5B gaming company, as VP of Product & Monetization. There, she led cross-functional teams, shaped product direction, and grew average daily revenue from $10K to $200K, contributing to over $1.5B in total revenue. Keren is a passionate advocate for women’s inclusion in tech and serves as a board member at Women in Tech (WIT). She also actively mentors and supports the next generation of female tech leaders.