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!

Melanie de Leeuw
Capgemini, Netherlands
Melanie loves being a software engineer. The infinite loop of bugs, puzzles and learning make of everyday a
new adventure. Her specialty and the love of her life is Vue.js, but lately she has been adding Nuxt.js and
Node.js to the party. When she is not working as a software engineer at Capgemini, she uses her web
development skills to remove micro plastic in the waters of the world. Her goal in this life is to work towards a more sustainable way of life, meaning that her hobbies include sailing the world, documenting underwater
micro-life, and picking up trash with podcasts blasting.
She is always trying on many different hats: trainer, team lead, community builder, talker, organizer. But the
hat that fits best is developer.

Denis Artyuhovich
DAZN, UK
Principal Engineer and active open source contributor.
From Minsk, but now based in London and work at DAZN.
I like playing around with TS, React, Redux, MobX/MST, RxJS, WebGL, Serverless, Node, Functional Programming with a focus on performance, system architecture and team productivity.

Jenny Lea
Figma, UK
I am a Software Engineer at Figma, hailing from Leeds in the UK. I have always worked full stack but there is a special place in my heart for anything visual, which has lead me to my role on the Developer Tools team at Figma. What excites me about technology is being able to rapidly iterate on things and work with the smartest people around to build cool stuff! In my spare time I enjoy hanging out with my cat, oil painting and getting out into the countryside on my own two feet.

Shyam Swaroop
Atri Labs, USA
Shyam Swaroop is the maintainer and core developer of an open-source project, Atri engine - a new framework built on React. He is also the Co-Founder & CTO of Atri Labs - the company behind this project. He has worked as a software engineer in both academia and industry. His most recent engagement in academia was working with DARPA under the US Department of Defense as Graduate Research Assistant at Columbia University (USA). Previously, he has created software products that have yielded multi million dollars of revenue for his organization, EXL Services, a US-headquartered technology consulting firm. He studied Engineering from IIT, India and dropped out from graduate program in computer science at Columbia University, USA to work on his startup full-time.

Nick Kuilman
Eye Security, The Netherlands
Nick is an Engineering Manager at Eye Security, where his teams build the software keeping European enterprises safe from cyber threats. With 13 years in the industry and an MBA that keeps him dangerously close to Product thinking, he's spent his career sitting at the intersection of technical delivery and business impact... and genuinely enjoying it.
He believes a manager's most important job is building the environment that builds the engineers. Outside of work, he channels his creativity into photography, with results that are best described as "enthusiastic."

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.

Raph Terrier
Render, France
Raph Terrier is Head of Developer Experience at Render, where his team owns Developer Relations, technical content, and a growing bet: making cloud infrastructure legible to AI agents, not just humans. He's spent a decade building developer education orgs, most recently as Director of Developer Education at Apollo GraphQL (five years) and before that at Algolia, where he joined as their first Education Engineer and grew to manage a multidisciplinary team of engineers, filmmakers, technical writers, and curriculum designers.

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.

Kurtis Kemple
Forthright, USA
Founder and Principal Advisor at Forthright (https://twitter.com/forthright_tech).

Brandon Ward
StackHawk, USA
Brandon is a full stack engineer who finds enjoyment working with Kotlin. When not working, he frequently gets outside to snowboard or mountain bike. He also enjoys tinkering with smart home technology.

Erik van der Voort
ING, Netherlands
Erik van der Voort has been working in Information Technology for over 25 years now. Starting as a developer, he moved to other roles like technical and functional designer and project- and portofolio-management. Quite some years ago, he discovered engineering was what made him really happy so since then he has been working in several Ops- and DevOps-roles within ING. For the past five years Erik is one of the engineers within the Fruitloops-team. This team of engineers mainly focuses on building and deploying front-end applications on a global scale within the company.

Robert Mosolgo
GraphQL-Ruby, USA
Robert is a Ruby developer specializing in APIs, application design, and performance. Besides maintaining GraphQL-Ruby, he enjoys fermenting anything he can get his hands on.

Marco Gorelli
Samsung R&D Institute UK, UK
Marco is a Data Scientist at the Samsung R&D Institute UK. Outside of work, he is a maintainer of pandas (data wrangling platform for Python widely adopted in the scientific computing community) and author of nbQA (code quality tool for Jupyter Notebooks). He holds an MSc in Mathematics and Foundations of Computer Science from the University of Oxford.

Matt Tanner
Tyk, Canada
Matt is a Product Evangelist at Tyk passionate about API management, development, and architecture. Matt has worked as a developer, tech lead, and architect for some of the largest financial institutions and insurers in Canada. He is always dabbling in the latest tech and applying this to his own ventures in technology.

Emily Kauffman
Harvie, USA
Emily is a lead software engineer based out of Pittsburgh, USA. She's a lifelong learner, adjunct professor, and IoT enthusiast. Emily has a tech background in healthcare, robotics, and more recently, bringing local food to the masses at Harvie. In her spare time, you can find Emily working on her web agency startup, scuba diving, or trying her hand at landscape photography.

Ava Wroten
SkillsEngine, USA
Ava Wroten has been building ambitious EmberJS apps for over eight years. She's built health education software at Eyemaginations (now called Rendia), banking and account opening software at Q2, budgeting software for K-12 educators at Allovue, and now she is connecting students to employers at SkillsEngine. With a passion for frontend web apps, Ava is excited for the future of the web as a platform to deliver innovation that betters people's everyday lives.

Nouha Chhih
Prismic, France
Nouha is the Developer Experience Manager at Prismic. She currently manages a team of developer experience engineers, and spending a lot of time on recruiting and growing her team. This year she'll recruit over 15 people to join her team. She'll share some advice for those of you preparing for technical interviews, and will be able to describe what is a Developer Experience Engineer, a Developer Relations Engineer, a Dev Blogger, a Dev Streamer.

m4dz
alwaysdata, France
m4dz is a curious animal. Former Frontend Dev, Devtools enthusiast, he has made the Developer eXperience (DX) his cherished topic. All the technologies are under his radar to get things ever simpler. His moto: "Developers are users just like you." As a life-long dreamer his favorite book will ever remains "Alice's Adventures in Wonderland".

Gil Friedman
Backslash Security, USA
Gil Friedman is Field CTO at Backslash Security, where he focuses on securing modern software development in the age of AI-driven coding. Prior to Backslash, he spent years leading engineering teams at Meta and SAP/Concur, building and scaling large, distributed systems and developer platforms used by millions. That hands-on experience shaped his perspective on AI-driven development—ensuring that innovation moves fast without compromising security, enterprise data, or developer environments.

Trish Ta
Shopify, Canada
Trish Ta is a Staff Developer Shopify with over 9 years of experience working on web applications. She started her career in creating software for data visualization. She is currently working on front-end libraries that empower developers to build cool things on top of Shopify’s platform.
