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!

Oguzhan Ozdemir
Thundra, Turkey
Oguzhan is a person whose passion is learning. He is self-motivated about discovering his unknown unknowns and autodidactic to move forward in this path. His primary motivation is to keep his technical breadth at the highest level it can be. Because Oguzhan believes that in each particular field, there is something he will learn that he won't be able to grasp anywhere else.
In the past, Oguzhan dropped out of Nuclear Engineering to pursue his passion and enjoy what he does for a living. He mainly worked as a Backend Engineer and shifted toward the Cloud.
Oguzhan is currently working as an Infrastructure Engineer and is quite optimistic about his career. He is aiming for better, non-stop.

Greg MacWilliam
Shopify, USA
Greg is presently focused on web applications built using Ruby on Rails, VueJS, Webpack, and JavaScript. He is also experienced with HTML5, CSS3, SCSS, responsive design practices, and visualizing large data sets using SVG, Canvas, and major web mapping frameworks. He is also fluent with RESTful and GraphQL API design, Django, Rails, Node, and some WordPress experience.
Additional programming experience with iOS/Objective-C for iPhone, Flash/ActionScript3, and object-oriented design practices. Familiar with agile software development and SCRUM workflow; experienced with providing estimates.
Current side projects include EpoxyJS (data binding extension for Backbone), ConstellationJS (a grid-based geometry toolkit), and the HTML5/Django-based Lassie Constellation admin system.

Katarzyna Wojdalska
ec0lint, Poland
Katarzyna is the Co-founder and CEO of ec0lint - a tool for frontend developers that mitigates the carbon footprint of websites. On top of that, she works as a Project Manager in the nanotechnology company Nanores. Her focus lies on diamonds and vacuum sensors. Katarzyna enjoys cooking Asian food and visiting art exhibitions in her free time.

Eeva-Jonna 'Eevis' Panula
Futurice, Finland
Eevis is a software developer and accessibility specialist based in Finland. She loves sharing information about topics like accessibility, React and GraphQL, and is active in different communities aiming to increase equality in the tech field in Finland. When not coding, she explores the world around her with a kayak.

Simon Waterer
Sourcegraph, UK
Simon Waterer is a Customer Engineer at Sourcegraph. He has worked across a range of technologies including object and NoSQL databases, high performance computing and distributed platforms including Kubernetes and Mesos. Outside of technology, he likes most sports but especially cricket, rugby and F1. And loves spending time outdoors with his dog.

Darshita Chaturvedi
Atri Labs, USA
Darshita Chaturvedi is the Co-Founder & CEO of Atri Labs where she is leading the development of a new full-stack framework for web development.
She has five years of experience working in Machine Learning and Data Science fields in various capacities from Graduate Research Assistant at MIT (USA) to Quant Researcher at BlackRock, a US headquartered asset management firm. She completed her undergraduate education in Engineering from IIT Kharagpur, India, and dropped out from graduate program in management at MIT Sloan to work on her startup full-time.
Her favorite past times are painting and learning art history.

Abdelrhman Adel
Rangle, Netherlands
Abdelrhman Adel is an Amsterdam-based Solution Architect at Rangle.io, helping clients build better software experiences using technologies such as Angular, React, and Typescript. Once a Petroleum Engineer, he switched career paths to follow his passion for technology and improving user experiences. When he’s not working, you can find him gaming or binge-watching a new TV series.

Mathilde Buenerd
Shopify, Spain
I am a Frontend Developer at Shopify and a certified Web Accessibility Specialist. My expertise lies in creating complex user interfaces that are both user-friendly and compliant. At Shopify, I develop No Code tools, enabling all users to effortlessly customize their Online Store.

Chris Stavitsky
Sentry, USA
Chris has a background as a web developer. He previously worked as a Senior Software Engineer at a company that used Sentry for error monitoring. Chris liked the product so much that he decided to come work for Sentry and make finding and fixing bugs easier for other developers.

Rob Sutter
Fauna, USA
I have woven application development into my entire career, from time in the U.S. Army and U.S. Government to stints with the Big Four, the world's largest cloud services provider, and smaller startups. I have started my own company – twice – once providing consulting services and most recently with WorkFone, a software as a service startup that provided virtual digital identities to government clients. I love to build in public with Go and all things serverless!

Kritiketan Sharma
Shine Solutions, Australia
Kritiketan (aka Kittu) is a Managing Consultant at Shine Solutions, and have been building consumer facing applications for a decade. He is passionate about knowledge sharing, developer experience and web development. He believes technology should simplify lives and make them better. He is getting closer to finding the world's best sandwich.

Robert Hostlowsky
Instana, Germany
Currently, Robert Hostlowsky is working as a developer, coach and systems engineer.
He published an online video course about developing a full-stack GraphQL application online-course.
He loves DevOps culture on modern cloud infrastructure, uses the latest state-of-the-art web technologies, and loves how it plays nicely together at minimum effort and cost.
He loves web technologies. Feeling being a part of the developer community he is co-organizing the JSCraftcamp, Munich.

Bob van Luijt
Weaviate, Netherlands
Bob is CEO and co-founder of SeMI Technologies, the business created around the open-source vector search engine Weaviate. Besides SeMI and Weaviate. Bob is a frequent speaker on the topics of open source, digital technology, software business, and creativity. He has spoken at around 100 events on the aforementioned topics in Europe, the US, and Russia.

Lean Vilas
Team Lead @ Appinio, Germany, Hamburg
Lean Vilas is a Senior Software Engineer, Team Lead, and mentor with over a decade of experience helping developers grow into confident, high-impact contributors. Known for blending technical expertise with a deep focus on people, he teaches software engineers how to navigate career transitions, especially the leap from individual contributor to engineering manager. Through his newsletter From IC to EM and conference talks, he shares practical, human-centered leadership insights that resonate with devs who want to lead without losing themselves.

Shivakant Shukla
Mphasis, India
Hello, my name is Shivakant Shukla, and I am a MERN stack developer with four years of experience in creating dynamic and user-friendly web applications. My passion for technology, coupled with a strong foundation in front-end development, has been the driving force behind my career. In the realm of Front-end development, I excel in crafting interactive and responsive user interfaces using technologies such as React, Redux, JavaScript, HTML5, and CSS3. I take pride in my ability to transform design concepts into functional, pixel-perfect websites that provide exceptional user experiences. Whether it's optimising performance, ensuring cross-browser compatibility, or enhancing accessibility, I am committed to delivering high-quality front-end solutions. While my primary expertise lies in front-end development, I have had the opportunity to work with back-end technologies like Node.js, Express.js, Nest.js, and MongoDB.

Hadar Geva
Myop.dev, Thailand
Hadar is the co-founder and CTO of Myop, a developer-first platform transforming how UI and UX are built, controlled and optimized in production.
Hadar brings over 15 years of hands-on development experience and a deep focus on frontend infrastructure.
Over the past decade, he’s led engineering teams at some of Israel’s top tech companies. At Wix, Hadar served as an architect and then head of the frontend guild, managing over 700 developers and helping shape the company’s core frontend systems. Prior to that, he held senior R&D leadership roles at Jive Software and Rafael, driving large-scale frontend development across complex products.
A Unit 8200 alum, Hadar brings not only technical depth but also a strong understanding of organizational scale, cross-team architecture, and how to evolve legacy systems. His experience spans both building systems from scratch and leading long-term frontend transformations in high-growth environments.

Rebecca Friedman
Shopify, Canada
I am a strong full stack developer, and a Ruby on Rails enthusiast. I'm passionate about formalized SDL processes, and clean, well-tested code. Having worked on the monolith that is the Words With Friends backend service at Zynga, I've architected, developed and deployed features that have been used by millions of concurrent users. I'm a huge supporter of University of Toronto, and an Arbor Award recipient. I guest lecture when I can, mentor students through the Alumni Mentorship program, and volunteer at numerous interview prep workshops, panels, and networking events for students.
Nick Teets
StackHawk, USA
Nick Teets is a software developer and musician based in Denver. Nick found his passion for connecting people using technology after spending summers in the Sandhills of Nebraska establishing a multimedia journalism nonprofit. Through an interactive website, the project told the stories of the communities of the area with audio, video, photos, and text. This early foray in journalism taught him about the intersection of empathy, technology, and storytelling, and would lead him to a career in frontend software development, creating beautiful and accessible user experiences to connect people across the world.

Roy Tal
Firefly, Israel
Roy Tal is a cloud and DevOps enthusiast who loves to build tool that will make infrastructure operations better for everyone. Today he is a team leader and founding team member at Firefly who are helping solve infrastructure drift in large-scale cloud operations. Before that he served as a backend developer at Dome9, building better security practices into cloud operations, that has been acquired by Check Point.



