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!

Dan Kochetov
Drizzle Team, Ukraine
Dan Kochetov, full stack web developer & system architect with 10 years of expertise, AWS expert, open source contributor, co-founder of Drizzle Team.

Matteo Frana
React Bricks, Italy
I am from Bergamo, Italy, I have a son of 7 and a daughter of 4. I program since I was 10 (it was 1988, GW-BASIC on a IBM 8088) and develop web apps since 1996. I’m in love with React and my mission is making content editing fun with React Bricks. I play the piano, I try to play the guitar and I write songs. I like cooking and I'm interested in quantum mechanics.

Oren Rubin
Testim, USA
Oren Rubin is the founder and CEO of Testim, an AI-based test automation platform that speeds the authoring of resilient end-to-end tests. Oren has over 22 years of experience in the software industry, building mostly test-related products for developers at IBM, Wix, Cadence, Applitools, and Testim.io. In addition to being a busy entrepreneur, Oren is a community activist and the co-organizer of the Selenium-Israel meetup and the Israeli Google Developer Group meetup. He has taught at Technion University and mentored at the Google Launchpad Accelerator.

Lukonde Mwila
SUSE, South Africa
Lukonde is a Principal Technical Evangelist at SUSE and is an AWS Container Hero. He specializes in cloud and DevOps engineering and cloud-native technologies. He is passionate about sharing knowledge through various mediums and engaging with the developer community at large.

Michael Milewski
Zepto #ABetterWayToPay, Australia
Michael is a developer keen on the people side of things. He loves pairing, and in particular with people new to writing software. He especially likes driving software out with tests and directing the evolution of the design. In his spare time, he does a bit of paddle boarding, camping and watching any one of his 4 kids excel above anything he ever managed to achieve.

Arya Soni
Logify360 & Co-Founder / CTO, Germany
Tech Entrepreneur | Ex-Founder Raised ₹1.5CR in College | Co-Founder & CTO of SaaS Product ( 2 Company ) | DevOps Engineer Game Industory | Cloud Enthusiast

Hunor Márton Borbély
Berlin
Web developer with an interest in UX design. Freelancer. Creator of https://svg-tutorial.com/ and https://javascriptgametutorials.com/

Tony Gorez
Tether, France
Systems Engineer and security researcher. Member of the Bare team at Holepunch, ex Postman. Passionate about reverse engineering.

Alex Ruheni
Prisma, Germany
Alex is a Developer Advocate at Prisma, where he's working to make databases easy and fun. He loves learning and teaching other developers. Every once in a while, he procrastinates by preaching to other developers to adopt Ts. He's also a mediocre photographer at best – but the camera covers that up for him.

Rafaela Azevedo
The Chain Academy, London, UK
Recently diving into the entrepreneurship world with the mission of expanding the Web3 Community through The ChainAcademy
Full Stack SDET with +16 years of Experience in QA, +14 years of Experience in Test Automation, and +9 years in Leadership, Delivering and Releasing Software on different platforms (Mobile, Desktop, Web)
TechWomen 2023 Awards Winner and became a STEM Ambassador, Google Developer Experts and a STEM Women Member making an impact and bringing more people to the STEM area.

Ashley Claymore
Bloomberg , UK
Ashley is a software engineer at Bloomberg in the Trading Analytics team. He has been using TypeScript since v1.8 and contributed to the TypeScript implementation of the new 'Ergonomic brand checks for private fields' syntax. He is also a Bloomberg TC39 delegate currently working on the 'Change Array by copy' proposal.

Chaitanya Rahalkar
Block Inc, Austin, TX, USA
I am a Software Security Engineer at Block (f/k/a Square). I am passionate about AI, startups, and cybersecurity

Fabrice Bernhard
Tech Cofounder Theodo, UK
Founder of Theodo, a tech consultancy he scaled with Benoît Charles-Lavauzelle from 10 to 700 people in 10 years.
He worked on his first large legacy modernisation in 2008 and has been back in the trenches to experiment first-hand how AI is revolutionising this challenge.
Fabrice has shared his Lean Tech and AI modernisation expertise at various conferences, including CraftConf, DevopsDays and Lean Summits.

Laurin Quast
The Guild, Germany
Laurin Quast is a developer that started exploring GraphQL, by leading the private and later public API development at a start-up. Realizing that there are still many unsolved problems and challenges within the space, he started contributing to famous JavaScript libraries, such as GraphQL Code Generator and GraphQL Tools. Diving deeper and deeper, the transition into becoming a full-time open-source developer at The Guild was inevitable.

Jasmin Assulin
deidei, Finland
CEO & Co-founder at deidei | Diversity, Equity, Inclusion & Comms specialist | She/her

Marco Otte-Witte
Mainmatter, Germany
Marco is the founder and Managing Director of Mainmatter, an Engineering Consultancy from Europe. He has been in tech since the late 90s and worked with various technologies from .NET to Rails, Elixir and Phoenix, TypeScript and Rust. He and his team advise international teams on architecture, technology choice, process, and developer infrastructure. He is passionate about developing sustainable and reliable products and organizations based on strong foundations. Marco is also the Host of EuroRust, the leading Rust conference in Europe.

Hila Fish
Senior DevOps Engineer, Israel
Hila Fish is a Senior DevOps Engineer, with 15 years of experience in the tech industry.
AWS Community Builder, Hashicorp Ambassador, and an international public speaker who believes the DevOps culture is what drives a company to perform at its best and talks about that and other DevOps/Infrastructure topics at conferences.
She carries the vision to enhance and drive business success by taking care of its infrastructure.
In her spare time, Hila is a lead singer of a cover band, giving back to the community by co-organizing DevOps-related conferences (Inc. "DevOpsDays TLV" & "StatsCraft" monitoring-focused event), providing mentorship and managing programs in “Baot” (The largest Israeli technical women’s community), and enjoys sharing her passion and knowledge wherever she can, including across diverse technology communities, initiatives and social media.

Moritz Gruber
Caisy, Germany
From an early age, Moritz was fascinated by computers and technology. This passion led him to pursue a degree in IT and while still studying, Moritz met his future co-founder. The duo quickly started the journey of founding their own tech startup in the headless CMS domain: caisy. As the CTO of caisy, Moritz melds his robust background in software development with an entrepreneurial passion. He has one clear mission building the core of his work: to simplify content management for fellow developers.

Santosh Viswanatham
Arcesium , India
Santosh is a Principal Engineer at Arcesium, an Open Web advocate, and a former Ambassador at the Interledger Foundation. He is passionate about building things with JavaScript. Santosh was previously a Tech Speaker and a Participation Leader at Mozilla. As a Tech Speaker, He delivered talks on JavaScript, WebVR, Cross-Platform browser extensions, and Devtools in the past. In recognition of his contributions to Mozilla, his name is featured in the about:credits of every shipped Firefox browser.

Jad Fakih
Integrix AI, Australia
I am the founder of Integrix, an AI-driven agency that helps established businesses leverage artificial intelligence and automation to transform their sales and marketing strategies. With a background in sales and over a year of focused experience in AI and its practical applications, I specialise in guiding business owners to streamline operations by automating routine tasks and optimizing sales cycles. This enables them to concentrate on high-value tasks, accelerating growth and scaling their business.

Andrew Hao
Lyft, USA
Andrew is a Staff Engineer at Lyft, where he builds products for Lyft's riders. When it comes to engineering, he's especially passionate about Web performance, machine learning and systems design. When it comes to people, he loves learning about what makes people tick and building high performing teams. In a prior life, he was a Principal Engineer at Carbon Five and an Engineering Manager at Blurb Books. He lives in Oakland with his family where he spends his free time running the streets and trails, dreaming about the day we'll be able to race in person.
Online, he writes at https://www.g9labs.com

Cristobal Chao
Torii Studio, USA
Cristóbal Chao is a software engineer, UX specialist and founder of Torii Studio. He crafts frontend systems that are expressive, fast, and rooted in storytelling. His work blends the boundaries of design and engineering—whether he’s animating particles in WebGL, or helping teams scale React apps with soul. Previously, he worked at Google and co-founded multiple creative tech products.

Jonas Kruckenberg
CrabNebula, Germany
As a self-taught web developer, I quickly discovered my love for lightning-fast software - whether it's a website or an app. This passion has sent me on a long journey from fine-tuning websites to exploring the exciting world of Local First Software and peer-to-peer networking.
Along the way, I can't help but ponder what our digital will look like, and how we can make it more secure, privacy-focused, and beneficial for humanity. Putting my money where my mouth is, I’m currently working on Tauri, a framework to build smaller, faster and more secure apps.

Lili Kastilio
Snyk, UK
Working closely with customers designing & building TypeScript solutions. Recently a Lead Engineer at Snyk working on extending our current languages offering by introducing new languages and language specific concepts into our system in the shape of libs, parsers and microservices. When not coding I like to spend my time hanging upside down doing circus things.