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!
Stephan Schneider
Stephan Schneider
Contentful, Germany
Stephan Schneider is a backend developer at Contentful. Since 2018 GraphQL is not just an interesting technology for him anymore when he started participating in the company's initial development of their first GraphQL API. He has not stepped back since and constantly plays with new ways to integrate pre-existing data into GraphQL.
Mana Peirov
Mana Peirov
AG Grid, UK
Mana is a software engineer building AG Charts, an open-source charting library downloaded over 1.7m times per month. AG Charts is built with zero dependencies enabling standalone and integrated charting.
Heather May
Heather May
Stitch Fix, USA
Heather May is a Lead Software Engineer at Stitch Fix, author, musician, and proud Mama of the sweetest Pointer-mix rescue.
Egor Ogarkov
Egor Ogarkov
JetBrains, Germany
Software Engineer at JetBrains and programming languages polyglot. I do like brining things from other languages and environments and mixing them together to create new ideas. Before I became an engineer, I played DotA and DotA 2 professionally ;)
Alice De Mauro
Alice De Mauro
Vercel, Netherlands
Software Engineer for more than 15 years, UX designer and programming languages instructor, I've worked in many types of product, from commodities to retail, from media to eSports. At Vercel, I help pre-sales to architect the best technical solution for our future customers.
Valentin Kononov
Valentin Kononov
Unity, Finland
Valentin just started to work at Unity3d in Helsinki as Full-Stack Software Engineer. Before that he worked at Mapbox R&D center in Minsk, Belarus. Experienced in Typescript, SQL, .NET, Angular, React, NodeJS, NestJS and other interesting stuff in full stack software development. He loves modern web technical stack, but strongly believes in understanding of fundamental aspects of programming. He likes code writing, work in amazing and useful projects, which can bring something valuable to people. His spare time is mostly dedicated to his family, reading and writing, and also traveling is important part of his life!
Toni Petrina
Toni Petrina
Visma, Denmark
Tech lead at Visma e-conomic, developer at heart and frequent speaker at conferences, user groups and local events. Started in QBasic, went through C++ to C#, finally settled in...full-stack? He spends most of the time at the keyboard typing yet another demo or application. If you take his keyboard away from him, he will talk endlessly about code...and functional programming. Been coding for over a decade to know if something is a programming fad or not. And no, functional programming is not a fad at all. Strong proponent of Open Source and all things chocolate.
Sophie Au
Sophie Au
Donut, Germany
Sophie is a software developer at Donut where she champions testing and accessibility. And ensures there's a steady supply of office donuts.
Brendon Co
Brendon Co
Standard Chartered, Singapore
Originally from Singapore. Brendon is an expert UI expert at Standard Chartered and published multiple books in amazon and leanpub. In his free time, he writes about Remix starterkit, Micro Frontend book and sell UI components.
Rita Castro
Rita Castro
Volkswagen Digital Solutions | SDC Portugal, Portugal
Mentorship available
Software Engineer that used to build stand alone applications for data processing and mission planning systems turned into a Full-Stack Developer working with Test Driven Development, XP and Pair Programming. Also a Mom now.
Nikola Mitrovic
Nikola Mitrovic
Vega IT, Serbia
Experienced JavaScript Software Engineer with 7 years in the industry. More skilled in Front-end Development, with high level of experience in working with Micro Front-end architecture, designing projects as a set of standalone components that include their own interfaces, logic, and storage, developing mini-applications independently, and composing them all together in the browser with different integration techniques. Passionate about web performance and ensuring the best possible User Experience of web applications.
Tsvetelina Obretenova
Tsvetelina Obretenova
Product Design Manager, Netherlands
Tsvetelina is an experienced design leader with a decade in the tech industry, specializing in Design Systems and driving quality designs with measurable business impact. She is passionate about achieving the delicate balance between people, business objectives, and user-centric design, all while fostering a supportive yet challenging environment for growth and innovation. Beyond work, her fascination with space fuels her curiosity and creativity in both professional and personal pursuits. She sees it as an inspiring visual metaphor for the boundless potential of our human abilities.
Tomasz Kania-Orzeł
Tomasz Kania-Orzeł
Monterail, Poland
I am an experienced software and DevOps engineer, enjoying frontend technologies the most. With a demonstrated history in building software products in the frontend, backend, and mobile technologies. My favorite technologies are React.js, Node.js, and recently Vue 3. Currently leading the team of 100+ developers as a Head of Technology at Monterail.
Kevin Dorosh
Kevin Dorosh
Solo.io, USA
Kevin is currently leading the GraphQL engineering team at Solo.io. Formerly a big data infra admin at HubSpot, Kevin is passionate about the infrastructure space and giving to the community, with contributions to many open source projects such as Envoy, Flagger, and Gloo. Kevin enjoys working with customers and community users on real problems facing them today, and is excited to help bring organizations to Envoy, Istio, and a more modern, cloud-native, tech stack.
Luis H. Ball Jr.
Luis H. Ball Jr.
imgix, USA
Luis is a Senior Software Engineer at imgix, focusing on delivering the best images and video developer experience on the web. He’s passionate about open source and baseball (let’s go Bucs!). He's a defunct tech collector, amassing a now-useless pile of everything from eMate 400s to HD-DVD players.
Saravana Srinivasan
Saravana Srinivasan
Red Hat, India
Saravana Srinivasan is a Senior Software Engineer at Red Hat and contributing to Serverless Workflow toolings and Kie community. He is an Open source enthusiast and a trainer. He works on various Javascript tech stacks and also enjoys exploring new technologies.
Simon de Lang
Simon de Lang
Info Support, Netherlands
I'm a lead developer and open source fanatic working at Info Support. I love everything related to testing and test quality and I am one of the co-founders of the mutation testing framework 'Stryker'.
Richie McColl
Richie McColl
DAZN, UK
Software engineer. Passionate about web performance.
Julian Burr
Julian Burr
Enhance Labs, Australia
Senior Developer from Germany with over 15 years of experience building web apps and leading frontend teams, currently living and working down under in Australia. Pragmatic perfectionist, always looking for opportunities to learn and grow.
Niya Panamdanam
Niya Panamdanam
Healthie, Canada
Niya is a Software Engineer at Healthie, primarily working on the front end. She is passionate about user experience, performance, the cool shit you can do with javascript, and a good cup of coffee. If she is not coding, you can find her binging anime or reading manga.
Mauro Bartolomeoli
Mauro Bartolomeoli
Doubleloop S.r.l., Italy
Passionate about web development for a long time, I have been involved in open source for the companies I worked for with a lot of satisfaction. Always curious to learn new things, not limited to typing code on a keyboard. I am actually looking for better ways to design and model software, as well as working in teams.
Pawel Sawicki
Pawel Sawicki
Workshops.de, Germany
Pawel Sawicki is a freelance consultant and lecturer with a focus on distributed systems, and related areas such as software security and software architecture, especially in the context of mobile applications. On this way he discovered React and React Native several years ago and used them in a variety of professional projects for leading German companies, from small startups to large corporations. Pawel always strives to share the practical knowledge he has acquired in a didactically valuable way for the benefit of his clients and students.
Anton Kazakov
Anton Kazakov
casavi, Germany
Mentorship available
Anton is the Director of Engineering at casavi. He's built and scaled teams, shaped tech organisations in the SaaS and B2C worlds. He has a passion for systemic approaches and helping people thrive and grow. He mentors other tech leaders helping their leadership journey go more quickly and smoothly. Outside of work, he enjoys hiking, mountain skiing, and family time.