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!
Charly Gomez
Charly Gomez
Sentry, Software Engineer, Austria
Charly Gomez joined Sentry in 2024 as a Software Engineer. He builds, breaks, fixes and maintains Sentry's JavaScript SDKs out of the city of Vienna, while having also lived several years in Spain and Italy. Charly enjoys salsa dancing, and plays a host of sports, including sailing, padel, cycling, football and is a CrossFit enthusiast.
Lena Reinhard
Lena Reinhard
Executive & Leadership Coach, Germany
Lena Reinhard (Website, LinkedIn) is an engineering leadership coach, mentor, and organizational developer supporting technology leaders in growing themselves and succeeding in the complexity of engineering organizations. Previously, Lena served as VP Engineering with CircleCI and Travis CI, and a SaaS startup co-founder & CEO, and has dedicated her career to helping leaders and their organizations excel in times of high change and challenging markets. She has worked with a broad variety of companies at all stages, from startups pre-founding and bootstrapped, scale-ups, to late-stage/pre-IPO and VC-funded ventures, to corporations and NGOs. Find her writing on leadership and more about her work at lenareinhard.com.
Nataly Rocha
Nataly Rocha
Stack Builders, Ecuador
I’m a software developer working at Stack Builders with about 6 years of experience in full-stack development. I enjoy writing code, looking for new technologies, and finding solutions to problems. Music, sports, functional programming, and business are also a great part of my life.
Aleksandr Shinkarev
Aleksandr Shinkarev
Tourmaline Core, CEO, Kazakhstan, Astana
Develop professionally for 14 years. Worked as a team lead at Deloitte and Nielsen. Currently I lead my own tech company Tourmaline Core. I am passionate about people self-development culture at tech. I am a PhD.
Valerii Iatsko
Valerii Iatsko
Google, Switzerland
With 15+ years spanning distributed systems, real-time data infrastructure, and high-performance UIs across Google, Microsoft, Spotify, and Booking.com, Valerii is passionate about developer experience, low-latency systems, and bridging the gap between complex backend architectures and intuitive user-facing products.
Matija Lukic
Matija Lukic
Workera AI, The Netherlands
Matija is currently a Director of Engineering at Workera, an AI-powered skills intelligence platform for enterprise workflows. At Workera, he leads teams that create assessments based on enterprise knowledge bases and evaluate employees' skills to guide further upskilling. Over the past 12 years, he has held various leadership roles in product and engineering across the financial, semiconductor, and education technology sectors. The main tech questions he enjoys solving are: “How can we get people to play to each other’s strengths?” and “How can we encode architecture so it doesn’t live only in a document or in people’s minds?” After work, his time is delightfully filled with being a parent to two young children, biking, swimming, following F1, and playing his current favorite game: GeoGuessr.
Adam Niederer
Adam Niederer
Chatham Financial, USA
Adam leads frontend development at Chatham Financial, where his efforts to centralize front-end resources and training have led to transformative improvements in product consistency and quality, accessibility of user experiences, and developer efficiency. In addition to the frontend, Adam especially enjoys working on projects involving performance, accessibility, and coding theory. Outside work, he spends his time learning human languages, writing open-source projects, and haunting his favorite sushi joint.
Oleksandr Tryshchenko
Oleksandr Tryshchenko
Personio, Netherlands
Oleksandr Tryshchenko - Senior Engineering Manager @ Personio He has experience with micro-frontends across three SaaS companies. Initiated and led the migration of FreshBooks from a monolithic UI to a micro-frontends architecture. Currently, he serves as a Senior Engineering Manager at Personio, where he leads the efforts to migrate the entire organization, which encompasses over 130 micro-frontends, to a new design system.
Jonas Peeck
Jonas Peeck
uncloud, Germany
Founder at uncloud on a mission to simplify baremetal for software teams. Software dev at heart with a passion for distributed systems and making things run at scale ⬥ YouTuber ⬥ Dad of Ida 👶🏻 Caretaker of Frodo 🐶
Andy O'Neil
Andy O'Neil
Weblytica, United States
My name is Andy O'Neil, and I help entrepreneurs add time-saving automation to their businesses through a process called co-building. This is a 1-on-1 process where I assist business owners in building automations over Zoom calls. Each session is personalized to meet the specific needs of the business owner and their business automation requirements. I have been creating no-code processes and automations since 2006, even before the term "no-code" was widely used. I have a passion for teaching entrepreneurs how to automate their businesses using Make.com, which is why I focus on co-building. My goal is to empower people to understand and control the automation processes in their businesses. I have been married for 21 years and have four beautiful children who keep my wife and me very busy.
Mikhail Kuznetsov
Mikhail Kuznetsov
BGB Group, Portugal
Mikhail is a seasoned developer and tech leader with track record of working with both large companies across EU and small startups. Mikhail is passionate about new technologies and loves to share his knowledge with the world.
 Alex Russell
Alex Russell
Microsoft, USA
Alex is Partner Program Manager on the Microsoft Edge team and Blink API OWNER. Before joining Edge in 2021, he worked on Chrome’s Web Platform team for a dozen years where he helped design many new features. He served as overall Tech Lead for Chromium’s Project Fugu, lead Chrome’s Standards work, and acted as a platform strategist for the web. He also served as a member of ECMA TC39 for more than a decade and was elected to three terms on the W3C’s Technical Architecture Group. His technical projects have included Fugu, Progressive Web Apps, Service Workers, and Web Components, along with ES6 features like Classes and Promises. Previously he helped build Google Chrome Frame and led the Dojo Toolkit project. Alex plays for Team Web.
Joban Singh
Joban Singh
Microsoft, India
Hey, I am Joban, and I am currently working as a software engineer at Microsoft Azure. I have been developing planet-scale backend services for the past 2 years and would like to share my experience with Microsoft Orleans Framework, we have been using at Microsoft Teams.
Michael Hoffmann
Michael Hoffmann
Freelancer, Germany
Senior Frontend Developer & Freelancer
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.
Dara Olayebi
Dara Olayebi
Spotify, UK
Dara is a Software Engineer currently working at Spotify where she develops tools and services that provide internal teams with access to user account data. She began her career as a Frontend Engineer in the finance sector, and recently transitioned into full-stack development. With over 6 years of hands-on experience, Dara is particularly passionate about merging her creative and technical skills to design and build user-centric products that foster community. Outside of work, she loves to mentor other women who are at an early stage in their tech careers.
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.
Dora Makszy
Dora Makszy
Norway
Dora Makszy, an experienced product design lead, focuses on seamless product delivery through efficient collaboration with cross-functional teams, especially developers. With over 17 years of international experience in various roles (developer, business analyst, manager and mainly a designer), she has a comprehensive understanding of the entire process.
Logan Ralston
Logan Ralston
TikTok, USA
Logan Ralston is a Software Engineer for TikTok who works on TUX, TikTok's internal design system. Logan has always had a passion for technology and design. He also is an avid proponent of the hackathon scene and has previously served as the director of McHacks, one of Canada's largest hackathons.
Matt Butler
Matt Butler
Evolution, Sweden
Matt Butler, Artist, and Art Director. Previously worked in London and the USA for Virgin, EA, Sega, and Activision creating games for the X box and Playstation. Matt moved into the iGaming industry 7 years ago, he currently works for Evolution with the Netent Brand. He has directed with the help of an amazing art team many of Netent´s most successful slot titles such as Divine Fortune, Narcos, and Jumanji.
Leo Goldfarb
Leo Goldfarb
Albato, Portugal
With 15+ years in Digital Marketing and Tech, Leo has built and led numerous high-performing teams and streamlined key business operations. He spent 5+ years as COO at iProspect, a major performance marketing agency within the Dentsu group. Prior to that, he held roles as a marketing expert at Booking.com and as a business consultant for IBM, Microsoft, and Hewlett-Packard. Currently, at Albato, a no-code integration platform, Leo leads customer acquisition and business development efforts. Albato helps SaaS companies drive growth and enhance customer experience through native, embeddable API integrations.