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!

Blazej Abel
Landingi, USA/Poland
Blazej Abel - Entrepreneur, founder, and CEO of Landingi, one of the leading landing page platforms. An engineer by education. He bounded with the Internet industry for 20 years, when he started an interactive agency and spent most of his career close to website creation. Speaker at numerous conferences and a trainer. Husband, father, football player, cyclist and LEGO fan since 1982 :)

Jannik Sommerfeld
Team One Developers GmbH, Germany
As a software developer with a rich background in successful agile projects, I value constructive, harmonious, and proactive communication. I enjoy the opportunities and freedoms that the ECMAScript world offers. At the same time, I embrace self-chosen guidelines that we can establish through the use of TypeScript. I am 30 years old, father of a new born and I am excited to teach and to learn.

Miranda Babbitt
Zapier, Canada
Miranda Babbitt is the Partner Marketing Manager at Zapier, where she orchestrates the lifecycle for over 7,000 integration partners and spearheads co-marketing efforts with high-value partners like Meta, LinkedIn, and Google. As a die-hard fan of all things AI, automation, and communication, Miranda has driven initiatives that have significantly boosted partner engagement, ARR, and team collaboration. Before joining Zapier, she honed her skills at Thinkific, where she led platform marketing strategies and championed a first-of-its-kind virtual partner summit. Fun fact: Miranda also runs a design blog, Hyppïa Homes, all about exploring how design and one's sense of self intersect.

Noa Goldman
Wix, Israel
Product Manager at heart. Noa’s forte is creating products specially made for engineers and tech-savvy geeks. With her strong technical background as a former software engineer, her main passion is to simplify complicated technological pains into intuitive solutions and easy-to-use products that anyone can understand and use. She is currently the Lead Product Manager for the Wix CLI. She is a public speaking enthusiast and won't miss an opportunity to present her products in front of an audience.

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
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
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.

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.

Jarred Utt
ADB Safegate, Sweden
Jarred is a Technical Lead at ADB Safegate, where he leads the development of the Intelligent Apron suite of products, which are aimed to increase the performance and safety of airport operations, while lowering the environmental effect aviation has on the world. Originally from the US, he is now based in Malmö Sweden where he serves as a mentor to multiple teams across Europe, and is passionate about solving complex problems while teaching others along the way.

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.

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.

Mia NASR KHNEISSER
l’Oréal, France
I am a lead full-stack developer at l’Oréal, leveraging 7 years of expertise. Starting as a data scientist, my curiosity for web components led to a seamless transition into full-stack development, where I challenge myself everyday. Aside from tech, I love board games and sport in general.

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.

Alexandre Rivest
Nexapp, Canada
Developer at Nexapp for 9 years, Alexandre has supported more than a dozen clients in the development and design of their products. As a senior frontend developer, he ensures he stays up to date with the latest development practices. In recent years, he has taken a particular interest in the educational aspect of his work through training and mentoring. What motivates him on a daily basis is sharing his experiences and learnings with his colleagues and clients.

Aikerim Belispayeva
Memorial Healthcare System, USA
Aikerim Belispayeva is a Senior Analyst at Memorial Healthcare System, where she leads data-driven initiatives to improve hospital billing accuracy, detect improper payments, and modernize revenue cycle management. With a Master’s in Data Analytics and a strong background in SQL, Python, and EHR systems like EPIC, she works at the intersection of data science, healthcare finance, and regulatory compliance.
Aikerim brings a unique perspective to the tech world — blending deep industry expertise with hands-on analytics to advocate for smarter, more user-centric data tools. She is also a recognized speaker and award-winning advocate for using data to drive impact in public health systems.

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.







