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!
Nancy Choi
Nancy Choi
Millennial Executive, Netherlands
Nancy is a Millennial Executive at a Fortune 500 company as well as a certified Executive and Career Coach. With a 15-year career in innovative startups and large companies, she understands the challenges of Modern Leadership intimately. Nancy works with modern leaders to navigate their career and leadership with more confidence, purpose, and impact.
Miguel Henriques
Miguel Henriques
AWS, Germany
Miguel Henriques is a Cloud Application Architect at AWS with over 4 years of experience building cloud-based, serverless-first applications for large customers in the automotive industry.
Mike Ryan
Mike Ryan
Polaris, USA
Mike Ryan is the co-founder of Polaris, an AI-powered site reliability platform. Mike is a Google Developer Expert specializing in software architecture. Mike has a strong background in working with IoT in industrial manufacturing and designing sophisticated and elegant user experiences. When not in front of his MBP you can find Mike hiking the backcountry in the Pacific Northwest.
Haris Rozajac
Haris Rozajac
Grafana Labs, USA
Haris is a Software Engineer at Grafana Labs, where he makes contributions to open-source Grafana. Currently, he’s on the Explore squad, focused on improving data troubleshooting and discovery experience.
Wesley Fuchter
Wesley Fuchter
Modus Create, Brazil
Wesley is a Senior Principal Engineer at Modus Create, with over 13 years of experience building cloud-native applications for web and mobile. Working as a tech leader he's spending most of his time working closely with engineering, product, and design to solve customers' business problems. His experience sits at the intersection of hands-on coding, innovation, and people management with a mix of experiences going from AWS, Java and TypeScript to startups, agile and lean practices.
Interests:
Tom Northall-Little
Tom Northall-Little
Canva, Australia
Tom is a Senior Software Engineer at Canva, based in Sydney. He has worked on Canva’s Apps SDK for the last few years, working across the stack to deliver the APIs that Canva’s growing developer ecosystem loves.
Ariene Maiara
Ariene Maiara
G2i, Brazil
Passionate about technology, innovation, and learning new programming languages, I have been working with software and web development for over 9 years. I have strong front-end and back-end skills. Currently working with React/React Native. I also have experience working with agile methodologies such as Scrum and Kanban.
Guilherme Vieira
Guilherme Vieira
Shopify, Canada
You might be familiar with HTTP GraphQL APIs. Did you know GraphQL does not have to be delivered over HTTP? We can use GraphQL in some different contexts. asynchronous queries, batch operations, user-provided scripts, WebAssembly, webhooks, and many more. We will explore how Shopify uses GraphQL in different contexts and how you can extend your current GraphQL schema beyond HTTP APIs.
Idan Rozin
Idan Rozin
AI21 labs, Israel
Idan Rozin is a full-stack developer at AI21 Labs with a focus on startups and over 7 years of experience. A React and Node enthusiast, Idan is deeply passionate about AI and technology, continuously exploring innovative solutions in the tech landscape.
Kevin Gao
Kevin Gao
Descope, USA
Kevin is an engineer who is passionate about solving problems and learning new skills. When he's not speaking to customers or coding through sprints, you'll find Kevin either on the road driving fast up a twisty mountain road, reading historical fiction books, or looking for a new place in the world to travel to and explore.
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.
Shivani Poddar
Shivani Poddar
Facebook, USA
Shivani Poddar is a Machine Learning Tech Lead for the Meeting Assistant team at Workplace, Facebook, leading the development of meeting assistants for making remote collaboration easier for work. Previously, Shivani built and launched the foundational machine learning and AI stack for Facebook Portal, spearheading product and engineering development across social graph technology for ML, deep personalization for a smarter calling experience. She was also the first ever student at Carnegie Mellon to be funded by the Amazon Alexa Prize, where she and her team built a social chatbot, eventually deployed to tens of thousands of users through Alexa. During her time at CMU she also pursued research in the field of Natural Language Generation, Reinforcement Learning for chatbots and multimodal machine learning. Outside of Work, Shivani has emerged as one of the leaders in talking about Artificial Intelligence and Machine Learning for Consumers as well as Enterprises. She has been a speaker at numerous conferences over the last 2 years covering topics such as – Diversity and Bias in AI, Future of Work, Immersive Multimodal Assistants. She is also a mentor for young aspirants looking to become the next innovators in the field, and regularly volunteers in resume building workshops, panels for hiring and Q&As on LinkedIn.
Nina Torgunakova
Nina Torgunakova
Evil Martians, Portugal
Frontend Engineer at Evil Martians, a product development consultancy. My great inspiration is to shape thoughts into easy-to-use products and articles, and I love to speak publicly. I'm passionate about learning different front-end technologies, and always try to see both pros and cons of using them.
Interests:
Alexandre Rivest
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.
Pablo Ibanez
Pablo Ibanez
Hello Magazine, UK - Spain
Tech Lead with over 15 years of experience in IT across various industries, including media, public sector or finance. Proven track record in leading development teams, designing scalable systems, and delivering impactful solutions. Recent work focuses on the practical implementation of AI in production environments, enhancing workflows, automating processes, and driving innovation.
Sachin Dangayach
Sachin Dangayach
Applied Materials, India
Sachin is a Deputy Director at Applied Materials leading efforts in Data Science and Advanced Analytics with a team of data scientists, working to provide innovative solutions with a focus on AI enablement in various products and systems for the semiconductor equipment manufacturing industry. He has over 15 years of diverse experience in the Industry around Software, Data Science and Artificial Intelligence.
Beril Sirmacek
Beril Sirmacek
Jonkoping University & the Owner of Create4D, Netherlands
Beril Sirmacek is a Dutch AI researcher. She received her PhD degree in Electrical and Electronics Engineering in 2009. Later she has worked with German Aerospace Center and pursued a habilitation degree with University of Osnabrueck. She is an assistant professor at Jonkoping AI Lab and also leading her company create4D. Beril is passionate to use computer vision and AI algorithms for creating useful healthcare and earth care solutions. Beril has taught a MSc course at the University of Augsburg in 2010, only on OpenCV. As a computer vision scientist and developer, she has been using it regularly for many years.
Andy Kuszyk
Andy Kuszyk
Typeform, UK
Andy Kuszyk is a Staff Engineer at Typeform, an occasional blog author, and an Emacs enthusiast! He's mostly worked in backend systems with the likes of Go, Terraform, and Kubernetes, but also enjoys thinking about the way teams work, communicate, and transfer knowledge.
Karen Huaulme
Karen Huaulme
MongoDB, USA
As a Principal Developer Advocate at MongoDB, Karen Huaulmé (pronounced “You-Old-Maid” - but with no d’s) develops and presents applications to help developers unleash their creativity across all aspects of data and technology. Leveraging her past experience as a Solutions Architect for some of MongoDB’s most demanding customers, Karen loves to trigger that “aha” moment in the minds of developers - when they recognize a better path to simplify, enhance, and accelerate their projects in ways they never thought possible. Prior to MongoDB, Karen spent most of her career working with video game developers as a Solutions Architect and Integration Engineer at Nvidia, Amazon and Twitch. In her free time, Karen embarrasses her 2 kids, spoils her dog, and feeds her addiction to adventure travel - not necessarily in that order.
Senna Parsa
Senna Parsa
GitHub, Netherlands
Senna is a Solutions Engineer at GitHub supporting our customers the EMEA MidMarket segment. She has a background in web application, iOS development, and accessibility. Originally working out of the HQ in San Francisco, she’s been working with GitHub customers for three years, passionate about empowering developers and helping organizations as they go through cultural and digital transformations.
Michael Hirschberg
Michael Hirschberg
Couchbase, Germany
Solutions engineer with a lot of operation experience in Couchbase.
Jorrik Klijnsma
Jorrik Klijnsma
Ordina, Netherlands
Jorrik’s first lines of code were in the days jQuery ruled. That didn’t scare him. Now he has 6+ years of frontend experience using React and Vue during his day job. In the evening and night hours, a lot of fun projects and other libraries passed his ‘git clone’. When not coding he gets his fair share of laughs going to comedy shows.
Steve King
Steve King
JP Morgan, UK
Engineering Manager in UI Engineering at JP Morgan, Steve works with the core engineering teams creating open source developer tooling and an accessible React component library aimed at streamlining the life of development teams across the bank. Steve has working in JavaScript development focused roles since 2001 from ad agencies to fintech and IE6 through to evergreen Chrome, he is the author of several widely used open source libraries and describes his career as having been lucky enough to follow his hobby and his passion every day for over two decades.
Melanie de Leeuw
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.