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!
Will Bishop
Will Bishop
Miro, The Netherlands
Will is a Staff Developer Advocate at Miro and has been in the Developer Relations space for the last 6 years at organizations like Zoom, Miro, and Meetup. He's passionate about all things API-related and the interconnectedness of the web.
Florin Ciornei
Florin Ciornei
CrazyGames, Denmark
Florin is a product engineer at CrazyGames. He is mainly responsible for the SDKs that the platform is offering for its developers. Florin enjoys developing browser games, some of them being Blitz Tanks, Dashcraft and Idle House Build.
Paul Serraino
Paul Serraino
Rollbar, USA
Senior software engineer at Rollbar with over 10 years of experience building web applications.
Javier Alcaide Pérez
Javier Alcaide Pérez
Bluetab Solutions, Spain
Javier Alcaide is a mathematician and software developer focused on data science and machine learning. His professional career is based on the use of advanced analytics and big data techniques within the financial sector. His current role is the design and construction of AI models and the analysis of data using ETL processing with Big Data technologies.
Wesley Fuchter
Wesley Fuchter
Modus Create, Sao Ludgero, Brazil
Wesley Fuchter is Director of Software Engineering at Modus Create, where he spends his time turning AI coding tool experiments into organization-wide practice. After leading a structured A/B experiment that demonstrated a 40% reduction in development time, his focus shifted to the harder challenge: getting a full engineering team to actually leverage agentic coding. His team built the knowledge-sharing systems, workshops, and practical resource libraries that are driving the shift. With 14+ years in cloud architecture, enterprise modernization, and engineering leadership across healthcare, fintech, and Fortune 100 organizations, Wesley brings a practitioner's perspective, including what didn't work. He holds the AWS Solutions Architect Professional certification and has previously spoken at worldwide tech conferences.
Interests:
Jan Demmerle
Jan Demmerle
&why GmbH, Munich, Germany
Jan is director of engineering at &why and passionate about creating an engineering culture that allows everyone to do their best work. In his free time, he creates a digital atlas of the world's wine regions.
Udipta Basumatari
Udipta Basumatari
Thravos.io, UK
With 16 years of product and business leadership in marketing technology at top companies like Salesforce, Adobe, WPP, and Rakuten, Udipta has led 8-figure revenue units and launched NK BigStar, Northeast India's largest streaming platform, reaching 500K monthly active users. Currently in C-level roles at innovative crypto startups, he played a key role in Bowled.io's Token Generation Event, driving over $10 million in daily trading volume for the BWLD token across multiple exchanges.
Jonas Peeck
Jonas Peeck
uncloud, Germany
Founder at uncloud on a mission to simplify baremetal for software teams. Software dev at heart with a passion for distributed systems and making things run at scale ⬥ YouTuber ⬥ Dad of Ida 👶🏻 Caretaker of Frodo 🐶
Dominik Göpel
Dominik Göpel
Vite & Svelte Maintainer, Germany
Software developer with more than 20 years of professional experience. Team member of Vite and Svelte.
Bogdana-Elena Avadanei
Bogdana-Elena Avadanei
Zoopla, UK
Bogdana is an Engineering Manager at Zoopla, where she leads teams in building scalable, high-impact technology solutions. Over the past nine years, she has grown from an eager engineering intern into a thoughtful leader passionate about people, process, and continuous improvement. Her career spans both fast-paced startups and large organizations, giving her a broad perspective on how teams thrive in different environments. Beyond her day-to-day work, Bogdana is dedicated to supporting the next generation of technologists. She has taught at coding bootcamps and apprenticeships, guided students in launching their careers, and was an instructor for Code First Girls. Driven by curiosity and a focus on growth, Bogdana helps engineers find opportunities for learning and innovation in the fast-moving world of tech.
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.
Juan Andrés Núñez Charro
Juan Andrés Núñez Charro
Docplanner, Spain
Frontend Engineer working at Docplanner. Passionate about Web technologies, JavaScript and Vue.js. Founder of Escuela Vue (http://www.escuelavue.es/). Voracious reader of ancient history and philosophy (Stoicism).
Vânia Santos
Vânia Santos
OLX Group, Portugal
Backend Software Engineer for +10 years in industries such as telco, online betting, and financing, embraced the passion for leading and caring for people 3 years ago, being now at OLX Group as Engineering Manager.
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.
Steven Lee
Steven Lee
Atos, UK
Steven has 13+ years of industry experiance as an engineer, tech lead, interim CTO, technical co-founder and technical consulting. Starting out as a software engineer and moving quickly to tech lead and consulting to building digital venture teams across London. Most two roles have been Head of Technology and Head of AI/Developemnt for two multinational companies. Day to day activies focused around research, development and integration of new tools and workflows for engineering teams, hiring and training the next generation of developers and building modern sustainable software.
Francisco  Gomes
Francisco Gomes
UK
Francisco Gomes is a Tech Lead, building large-scale microservices systems. His work spans engineering standards, developer enablement, security, compliance, and architecture across modern stacks including cloud, frontend, backend, and AI. Beyond industry, he has taught aspiring engineers from over 20 countries, mentoring the next generation of software developers.
Nikolay Gushchin
Nikolay Gushchin
UK
I am a software engineer with more than 8 years of experience. Over the last 5 years, I’ve worked with a wide range of companies, from start-ups to Fortune 500. I specialize in E-Commerce and am passionate about UX and AI.
Mikael Landau
Mikael Landau
Semble, UK
I co-founded Semble after witnessing the challenges of a fragmented healthcare system first-hand. Driven by a desire to create meaningful change, I joined forces with my fellow tech entrepreneur and friend, Christoph Lippuner, who had also seen the impact of disconnected care. Leveraging our experience as tech entrepreneurs who had successfully exited their first start-up, we collaborated closely with doctors and healthcare staff to design an interoperable, all-in-one clinical system that truly meets their needs and enables them to amplify their impact. Today, Semble supports thousands of healthcare professionals across more than 77 specialities, helping to improve care for over 8 million patients.
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.
Karly Lamm
Karly Lamm
Aviron Software, USA
Karly Lamm is a Senior Mobile and Full Stack Web Engineer, currently serving as the Director of Strategic Software Solutions at Aviron Software. She has helped startups scale their products from early MVPs to acquisition, including one later acquired by Walmart. Karly specializes in JavaScript technologies with deep experience in React, React Native, and Angular. She is a strong advocate for accessible and inclusive code, with a passion for building products that work for everyone. In her current role, she partners with startups to design scalable solutions, mentor engineering teams, and implement thoughtful UI and accessibility practices that align with real-world user needs.