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!
Matt Landers
Matt Landers
WP Engine, USA
Matt Landers leads the DevRel team at WP Engine, after joining the company in 2019 as a Technical Architect who was (and still is) super passionate about headless. That passion ultimately played a major role in the release of Atlas, which pairs WP Engine’s industry-leading WordPress platform with Node.js hosting to enable headless solutions using modern frameworks and technologies like React, Vue, and more. Before joining WP Engine, he served as Technology Evangelist at Microsoft, where he educated developers on the advantages of adopting .NET and worked with Fortune 100 companies to build some of the largest enterprise systems as an Architect. Additionally, Matt founded Covalence, a coding bootcamp, channeling his passion for teaching developers.
Guillermo Gutierrez Almazor
Guillermo Gutierrez Almazor
DNSimple, Spain
Guillermo thinks that crafting software is more like gardening. He’s been dealing with legacy codebases for as long as he can remember and has helped several teams improve their skills around it.
Garth Henson
Garth Henson
CareAcademy, USA
Meet Garth Henson, a seasoned tech enthusiast with a rich career spanning big tech giants like Amazon and Microsoft, as well as the enchanting worlds of Disney and Lucasfilm. With a primary focus on full-stack web and cloud architecture, Garth has navigated the digital realm with expertise. Currently, he is the leader of product, design, and engineering at CareAcademy, where he is dedicated to shaping a smarter future in healthcare. As an active startup advisor and mentor, Garth has shared his wisdom and guidance with both students and budding entrepreneurs alike.
Olena Kutsenko
Olena Kutsenko
Aiven, Germany
Olena is a seasoned expert in data, sustainable software development, and teamwork. With a background in software engineering, she's led teams and developed mission-critical applications at Nokia, HERE Technologies, and AWS. Currently, she works at Aiven where she supports developers and customers in using open-source data technologies such as Apache Kafka, ClickHouse, and OpenSearch. She is also an international public speaker and regularly present at conferences around the world. She holds AWS Developer and Solutions Architect certifications, and is also a Confluent Catalyst.
Florian Rappl
Florian Rappl
smapiot, Germany
Dr. Florian Rappl is a solution architect from Germany who specializes in the creation of scalable distributed web applications. He is almost exclusively working on micro frontend solutions. Florian is a long-time Microsoft MVP in the development tools area.
Mikhail Burtsev
Mikhail Burtsev
DeepPavlov.ai, UK
Mikhail Burtsev is a head of Neural Networks and Deep Learning Laboratory at Moscow Institute of Physics and Technology. He is also a founder and leader of open-source conversational AI framework DeepPavlov. Mikhail had proposed and co-organize a series of academic Conversational AI Challenges (including NIPS 2017, NeurIPS 2018, EMNLP 2020). His research interests are in the fields of Natural Language Processing, Machine Learning, Artificial Intelligence and Complex Systems. Mikhail Burtsev has published more than 20 technical papers including – Nature, Artificial Life, Lecture Notes in Computer Science series, and other peer-reviewed venues.
Dan Kochetov
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.
Bartek Iwanczuk
Bartek Iwanczuk
Deno, Poland
Bartek started contributing to Deno in late 2018, becoming the first employee to Deno Land in December 2019. Currently leading the CLI team.
Matteo Frana
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.
Lukonde Mwila
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.
Oren Rubin
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.
Cristobal Chao
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.
Hunor Márton Borbély
Hunor Márton Borbély
Berlin
Web developer with an interest in UX design. Freelancer. Creator of https://svg-tutorial.com/ and https://javascriptgametutorials.com/
Arya Soni
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
Michael Milewski
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.
Rafaela Azevedo
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.
Tony Gorez
Tony Gorez
Tether, France
Systems Engineer and security researcher. Member of the Bare team at Holepunch, ex Postman. Passionate about reverse engineering.
Alex Ruheni
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.
Fabrice Bernhard
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.
Ashley Claymore
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.
Laurin Quast
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
Jasmin Assulin
deidei, Finland
CEO & Co-founder at deidei | Diversity, Equity, Inclusion & Comms specialist | She/her
Marco Otte-Witte
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
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.