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!

Dieter Flick
DataStax, Germany
Dieter is a seasoned Solution Engineer with over 20 years of experience in developing and optimising applications across various industries. With a strong background in software development, he deeply understands the challenges and needs of developers and clients alike. At DataStax, Dieter empowers his clients by using advanced data technologies and best practices to implement generative AI applications, helping them accelerate development cycles and deliver cutting-edge solutions. Passionate about developer empowerment, he provides tools and technologies that catalyse innovation and efficiency.

Shubham Gautam
Headout, India
I'm Shubham, a Software Engineer at Headout who loves to experiment with different technologies and use them to create useful applications. I'm particularly fond of TypeScript, Web Performance, Frontend Tooling and I'm always ready to engage in a friendly debate on the topic of aliens' existence. As an engineer, I'm passionate about continuous learning and personal growth, and I always make sure to stay up-to-date with the latest developments in my field. Collaborating with my colleagues and learning from their expertise is something I enjoy. I'm always looking for ways to improve my own skills and contribute to the success of the team.

Hugh Francis
USA
Hugh Francis founded Sanctuary Computer, a profit sharing and worker-owned creative studio in Chinatown, NYC. The studio focuses on design and technology work for clients including The Light Phone, Mill, Hinge, Tend, Stripe, etc. Francis has a background in mechanical engineering and has spoken about his work at institutions like Yale School of Art and The School of Visual Arts. He's interested in building dynamic businesses that prioritize both collectivism and social responsibility.

Bogdana-Elena Avadanei
Zoopla, UK
Bogdana is an Engineering Manager at Zoopla, where she leads teams in building scalable, high-impact technology solutions. Over the past nine years, she has grown from an eager engineering intern into a thoughtful leader passionate about people, process, and continuous improvement.
Her career spans both fast-paced startups and large organizations, giving her a broad perspective on how teams thrive in different environments. Beyond her day-to-day work, Bogdana is dedicated to supporting the next generation of technologists. She has taught at coding bootcamps and apprenticeships, guided students in launching their careers, and was an instructor for Code First Girls.
Driven by curiosity and a focus on growth, Bogdana helps engineers find opportunities for learning and innovation in the fast-moving world of tech.

Keren Fanan
MyOp, Israel
Keren Fanan is the co-founder and CEO of Myop, a developer-first platform transforming how UI and UX are built, controlled and optimized in production.
Keren has held key leadership positions at Moon Active and Gett and has a proven track record of success in scaling startups, launching strategic partnerships and driving profitability.
At Gett, a global B2B transportation leader and unicorn, Keren served as Chief Revenue Officer and GM Enterprise. She was instrumental in scaling the company from its early stages to over $200 million in revenue, leading international SaaS strategy and overseeing marketing, sales, and business development.
Following Gett, Keren joined Moon Active, a $5B gaming company, as VP of Product & Monetization. There, she led cross-functional teams, shaped product direction, and grew average daily revenue from $10K to $200K, contributing to over $1.5B in total revenue.
Keren is a passionate advocate for women’s inclusion in tech and serves as a board member at Women in Tech (WIT). She also actively mentors and supports the next generation of female tech leaders.

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.

David Chicaiza
Ataccama, Czech Republic
David Chicaiza is a senior front-end engineer from Bogotá, Colombia, and a React, NodeJS, and TypeScript enthusiast. He is currently based in Prague, creating data management solutions at Ataccama. David brings a blend of technical skills and public engagement to his role as an MC. When he's not working on software solutions, you might find him making music, playing chess, or traveling.

Nitin Gupta
Expedia, India
Nitin is a dynamic Full Stack SDE 2 at Expedia Group, India, who thrives on crafting exceptional web experiences. Over the years, he’s worked his magic on projects for Marriott, H&M, Expedia, and more. While React is his go-to tool, his tech arsenal also includes Swift, Kotlin, Spring Boot, GraphQL, and a bunch of other developer superpowers. Known for his love of dev jokes and pun-packed humor, he’s the kind of colleague who keeps both the codebase and the conversations lively.
When he’s not coding, Nitin is either jet-setting to new destinations, smashing shuttlecocks on the badminton court, or jamming out while learning the drums. A fun mix of tech wizardry and good vibes, he’s always up for an adventure—be it debugging or backpacking!

Confidence Okoghenun
Cloudflare, UK
Confidence Okoghenun is a Developer Advocate at Cloudflare who focuses on developer tooling, edge computing, and practical AI integrations. Confidence creates tutorials and talks that help developers build production-ready serverless applications and tools. He regularly runs workshops and produces videos guiding engineers through Cloudflare Workers and modern web APIs.

Innokenty Bodrov
Finom, Portugal
 I've been working as a business and system analyst on a significant amount of projects in different industries: government services, retail, manufacturing, telecommunications, energy, EDI, and fintech.
And it grants me an outstanding possibility to improve both sides of the process: how it works from a business perspective and how it could be automated or digitalized with IT capabilities.
No matter where I’m working, I passionately follow my value of trustful relationships. For me, that means honest feedback, business transparency, a strong brand personality and attentiveness to details.

Sarah Rainsberger
Astro, Canada
Sarah Rainsberger leads a large open-source software documentation project with several maintainers and over 1000 community contributors. She brings a background in high school mathematics education, academic counseling, and curriculum development to her current technical writing and open source community building. She lives in Atlantic Canada with her husband J. B. (Joe). In her spare time, she photographs birds.

Jiri Lojda
Kontent.ai, Czech Republic
Jiri is an Integrations Engineer at Kontent.ai. He loves to write type-safe, functional code using TypeScript and React as his primary tools. Always eager to learn and keep up with new technologies to enhance his skills and work, he wants to promote the advantages of this approach to project development in the community.

Tiki Lobel
Rapyd, Israel
Tiki Lobel is a fintech software developer who leads a team at Rapyd to liberate global commerce and connect the world’s disparate payment systems into a single integrated network. Her team focuses on core API development and Tiki’s ability to handle multiple projects simultaneously, and her understanding of complex dependencies within a larger system, make her an integral part of all product development in the company.

Marissa Masangcay
Cloudinary, USA
Marissa Masangcay is a Technical Marketing Specialist for Cloudinary and has worked for the company since 2017. She has also served as one of Cloudinary’s Developer Support Engineers, where she responded to customers’ technical support requests and feature-related questions, as well as debugged customer issues and wrote code samples in multiple development frameworks. She has also served as a volunteer instructor for Girls Who Code, which is a nonprofit dedicated to teaching girls in grades 6-12 the fundamentals of coding. Marissa graduated with her bachelor’s degree in computer science from the University of San Francisco.

Richard Davison
AWS, Sweden
Richard is a Sr. Partner Solutions Architect at AWS focusing on Application modernization using Serverless and Containers. During his 3-year tenure at AWS he has played a pivotal role assisting partners & customers in various industries with their cloud adoption and modernization strategies. Richard collaborates with the development teams and engineering leaders to optimize software delivery in the cloud, emphasizing best practices and AWS's capabilities.

Graham McNicoll
GrowthBook, USA
Graham is the Co-founder and CEO of GrowthBook, the most popular open-source feature flagging and A/B testing platform. GrowthBook is backed by Y Combinator and Khosla Ventures. Before starting GrowthBook, Graham was the CTO of Education.com for 6 years. Graham is a three-time startup founder, including starting an international non-profit to increase access to communication in the developing world, particularly sub-Saharan Africa. He has a degree in Physics from CMU.

Benjamin Swerdlow
Freestyle, USA
Benjamin Swerdlow took a break from his studies at UChicago, to go work as a Senior Backend Engineer for Apple, who recently took a break from Apple to build Freestyle. He's been building in the Open Source community since high school, and was a technical lead for the World Health Organization's COVID-19 App team.






