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!
Benjamin Schachter
Benjamin Schachter
treasure it, USA
Benjamin Schachter is a software engineer based in Brooklyn, NY and founder of treasure it, a platform to get and give things for free. He loves React Native and Typescript.
Max McCrea
Max McCrea
Monadical, USA
Max is the technical co-founder of Monadical, a software development consultancy focused on emerging technologies and AI solutions, and Developer Capital, an early stage AI investment corp.
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.
Francesco Sciuti
Francesco Sciuti
Devmy, Italy
CEO @Devmy, DevRel Expert @Codemotion, Google Developer Expert (GDE), Microsoft MVP, Google Certified Developer, LEGO Serious Play Facilitator, Projects Manager, Software Engineer, Speaker/Evangelist/Trainer, AWS UG Lead Francesco is a Google Developer Expert, Google Certified Developer, Microsoft MVP ed AWS UG Leader and an accomplished programmer with several years of experience in enterprise programming , high skilled in web development (frontend and backend) and in team project management. I’ve worked for a long time as a employee and then as a freelancer, but nowadays I has my own company: Devmy – Software Factory (former Acadevmy), founded with my friend Andrea. He was also Content Manager and DevRel of Codemotion, the largest tech community in Europe with more than 200,000 developers, as well as the largest IT conference in Italy and one of the most important in Europe. I love reading comics (strictly Batman!), playing the drums, riding a motorbike, playing padel and spending a lot of time with his beloved family.
Noam Zingboim
Noam Zingboim
PayPlus Back End Developer, Israel
Noam Zingboim is a seasoned software engineer specializing in Node.js, JavaScript, and system design for scalable backend services. With experience ranging from architecting new products to maintaining critical systems, he focuses on building maintainable, reliable, and high-performance solutions.
Karen Li
Karen Li
GitHub, USA
Karen Li is a concert pianist turned elementary school teacher turned software engineer. She is currently a software engineer at GitHub's npm team. Aside from engineering work, Karen blends education and technology by sharing her experience with the community. Her motto, "I invest in brains" captures her journey from teaching to tech empowerment.
Dieter Flick
Dieter Flick
DataStax, Germany
Dieter is a seasoned Solution Engineer with over 20 years of experience in developing and optimising applications across various industries. With a strong background in software development, he deeply understands the challenges and needs of developers and clients alike. At DataStax, Dieter empowers his clients by using advanced data technologies and best practices to implement generative AI applications, helping them accelerate development cycles and deliver cutting-edge solutions. Passionate about developer empowerment, he provides tools and technologies that catalyse innovation and efficiency.
George Kouzmov
George Kouzmov
BlackRock, UK
George is a TechLead @ BlackRock with 12+ years of experience in the FinTech industry. He has architected, designed and build various systems, from data warehouses to large MFEs. He lives and breathes in the full stack space between Data and UX. Proven ability to architect, design, and implement complex solutions while fostering high-performing engineering cultures.
Daniel Espino García
Daniel Espino García
Mattermost, Spain
Fullstack Software Design Engineer at Mattermost. He has helped with the re-architecturing of the new version of the mobile app, written in React Native. Confident with React, React Native and Go, and always happy to learn new things. Fun fact: studying psychology for fun.
Nicolas Gallagher
Nicolas Gallagher
Meta, USA
Working on @reactjs for the web. I currently work at Meta on cross-platform React frameworks. Our goal is to improve engineering efficiency and product quality, to reduce product time-to-market, and to produce high-quality native user interfaces from existing web code. The software we work on is used by products like Facebook, Instagram, Messenger, Oculus, and Workplace.
Oli Legat
Oli Legat
AG Grid, UK
Oli started his career crafting virtual worlds as a video game developer, driven by a love for immersive experiences and creative problem-solving. That journey led him to Google, where he honed his engineering skills at scale. Eventually, his focus shifted toward the web—specifically front-end development—where he found a new passion: building fast, accessible, and user-friendly interfaces. Now, Oli channels that passion into refining enterprise-grade libraries at AG Grid. He cares deeply about accessibility (a11y) and user experience, always striving to make the web a more inclusive and intuitive place for everyone.
Hugh Francis
Hugh Francis
USA
Hugh Francis founded Sanctuary Computer, a profit sharing and worker-owned creative studio in Chinatown, NYC. The studio focuses on design and technology work for clients including The Light Phone, Mill, Hinge, Tend, Stripe, etc. Francis has a background in mechanical engineering and has spoken about his work at institutions like Yale School of Art and The School of Visual Arts. He's interested in building dynamic businesses that prioritize both collectivism and social responsibility.
 Max Strivens
Max Strivens
StackOne, UK
Max Strivens - Solutions Engineer at StackOne - We are a unified integration provider and integration layer for AI.
Fabrizio Picca
Fabrizio Picca
Commerce layer, Italy
Java developer, Software Architect and Enterprise Commerce Expert. Dad of one soon to be two, loves music, photography, cooking and running.
Oli Bates
Oli Bates
Cleo, UK
Oli is currently a Frontend Engineer & Tech Lead at Cleo working across the mobile (React Native) & web (React) products. He sits within the savings squad whose mission is to help Cleo users build a safety net of savings.
Simon Ouyang
Simon Ouyang
YC-backed Startup (Early-Stage), Palo Alto, CA
Mentorship available
Simon Ouyang is a Full-Stack + AI Engineer focused on building production-ready React applications and reliable AI workflows. He has worked in early-stage, YC-backed startup environments delivering 0→1 systems across both frontend and backend. His independent research explores agentic workflows, RAG architectures, and evaluation-driven AI development. Simon speaks at React Summit US 2025 and JSNation US 2025, where he shares practical insights at the intersection of modern frontend engineering and trustworthy AI.
Matthew Salmon
Matthew Salmon
Snyk, Romania
Engineer Graduate, Software testing ISTQB certified and professional experience as a Software Developer. Current Solutions Engineer as Snyk.
Edy Silva
Edy Silva
CodeMiner42, Brazil
I work as Developer Relations at CodeMiner42, Node.js core (https://github.com/nodejs/node?tab=readme-ov-file#collaborators) and committer at libuv (https://github.com/libuv/libuv/pulls?q=+is%3Apr+author%3Ageeksilva97+). I'm passionate about learning, I like to create tools that improve the lives of other devs, and sometimes I recreate things that already exist just to understand their internal mechanisms. In my free time, I like to read about various subjects from philosophy to stories about dystopian futures. I also like to write about tech and philosophy, as well as recreating famous projects (e.g., JVM compiler), just to learn how things work under the hood.
Marco Cedaro
Marco Cedaro
Storio Group, UK
Webmaster before it was cool, pixel pusher, javascript-something, conference organiser, father of two, but mostly known for yelling at clouds.
Stephanie Shaw
Stephanie Shaw
Beamery, UK
Stephanie is a Senior Frontend Engineer at Beamery, and a seasoned full-stack engineer with considerable experience in the financial and public sectors. She's a passionate advocate for tech-for-good, diversity, and developer education. As a speaker, she's known for her entertaining talks and irreverent sense of humour. She is currently developing Beamery's AI-powered talent lifecycle management platform.
Allison McMillan
Allison McMillan
Tavlin Consulting, USA
Allison McMillan is a fractional VP of Engineering and Leadership Consultant with over 25 years of design and facilitation experience for gatherings, covering everything from meetings and strategy planning sessions to offsites and conferences. She’s previously held leadership roles at QuotaPath, DEV, and GitHub. Allison has worn many hats in multiple industries as a community builder, managing director, and software engineer. Allison started a podcast about being a parent in tech, Parent Driven Development, and is an internationally recognized keynote speaker. She is very involved in the Ruby community as a former board director and President of Ruby Central. You can find more writing, speaking, and consulting information on her website: www.allisonmcmillan.com
Sergiy Dybskiy
Sergiy Dybskiy
Sentry, Canada
Developer Experience Engineer @ Sentry, organizer of React Toronto community, tinkerer.
Manasa Hari
Manasa Hari
Adobe Inc., USA
Manasa is a seasoned software engineer with 12 years of experience, specializing in event-driven architectures, data engineering, and scalable systems. She has worked for top companies like Splunk, Selector AI, Celcom, Taulia, and RingCentral, and recently spoke at Grace Hopper Celebration 2024, receiving a standing ovation. Passionate about empowering women in tech, she mentors aspiring engineers and shares her journey from intern to lead engineer. Manasa balances career growth with family, continuously striving to lead with emotional intelligence and technical excellence.
Mattia Lobertini
Mattia Lobertini
Datadog, Italy
I’ve spent over 15 years in tech, building products and leading engineering teams that scale. From writing code to shaping strategy, I love solving complex problems and turning ideas into real-world solutions. I believe great products are built by empowered teams, and I’m passionate about creating spaces where engineers can collaborate, innovate, and make an impact.