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!

Lenny Burdette
Apollo, USA
Lenny is a Solutions Architect at Apollo Graph in San Francisco, CA. He was previously a software engineer and graph champion at Square. When he’s not thinking and talking endlessly about GraphQL and frontend, he’s probably trying to recreate some dish from a YouTube cooking video or hanging out with his wife and son.

Johan Eliasson
Nhost, Sweden
Johan Eliasson is CEO & Co-Founder of Nhost. Johan has been building apps his whole life and is passionate about making it easy to develop web and mobile apps. Prior to Nhost, Johan helped grow his family business, driving innovation in the Swedish water treatment market. Johan graduated from Blekinge Institute of Technology with a Master of Science in Computer Security, Computer & Information Systems.

Anna Filipyonok
Senior Marketing Manager, Georgia
Anna is a visionary, performance-driven marketing professional with a decade of experience building and leading dynamic marketing teams at technology companies.
Anna holds a steadfast belief that the evolution of technology paves the way for societal progress and reinforces the essence of humanitarian ideals. Skilled in harnessing the power of artificial intelligence in marketing, she sees it as a key to enhancing outcomes while streamlining resources and efforts.
WomenInTech Mentor helping women break into the tech field with expert mentoring advice and support.

Christian Sparks
Cloudflare, USA
Christian Sparks is a Systems Engineer working at Cloudflare, primarily focused on Builds and Automation for the developer platform. His work ranges across the stack, from front-end to Golang backends, to bleeding edge Workers-based services. Specifically, he works on the customer-facing build systems for the Pages and Workers CI, helping make the process of deploying applications on Cloudflare easier.

Alexandra Klimenko
Soft Skills Lab, Armenia
As the Founder and CEO of an edtech startup, I combine my passion for education with my product management experience to create innovative learning solutions that improve soft skills development. Our startup provides learners with engaging tools and resources to practice and master essential soft skills.
With a focus on continuous innovation, we're dedicated to transforming the way learners acquire and develop soft skills. Our approach is grounded in the latest research and tailored to meet the needs of our diverse learners. I'm excited to be leading a team that is making a real impact in the edtech industry.
If you're interested in learning more about our startup or connecting with me, please feel free to reach out. I'm passionate about education and excited to collaborate with others who share my vision for a better future of learning.

Jen Person
Squid Cloud, USA
Jen Person is a developer advocate for Squid Cloud, an enterprise-grade backend-as-a-service that connects to and secures any API or data source. With nearly a decade of experience in developer products, Jen has extensive experience connecting with developers through talks, blogs, events, social media, and videos. She is passionate about creating the best development experiences so devs can focus on creating the best applications.

Robin Marx
Akamai Technologies, Belgium
dr. Robin Marx is a Web Performance Expert at Akamai Technologies. He focuses on the performance and workings of modern Web protocols like HTTP/2, HTTP/3 and QUIC and has been a contributor in the IETF QUIC working group for multiple years.
Robin often talks about web performance at international conferences, making the complex situations more insightful to the wider public. On the weekends, he likes to hit other people with longswords.

Julia Ziębińska
Poland, ec0lint
Julia is a Software Developer at ec0lint, a tool for frontend developers which mitigates the carbon footprint of websites. Besides, she works as a Software Engineer at Akamai. She is also a laureate of the IT for SHE program. In her free time, Julia practices yoga and makes handcrafted candles.

Leandro Fernandez
Meta, UK
Leandro Fernandez is an Engineering Manager at Meta, London, with 16 years of experience as an engineer/manager in big tech, like Meta, Uber and Dell Technologies.
He has a successful track record of supporting high performing teams of software and machine learning engineers. Some of the cool projects that he launched in the past include Uber's Audio Recording and Record My Ride, and Meta's automated data removal infrastructure.

Nicolas Gallagher
Meta, USA
Working on @reactjs for the web.
I currently work at Meta on cross-platform React frameworks. Our goal is to improve engineering efficiency and product quality, to reduce product time-to-market, and to produce high-quality native user interfaces from existing web code. The software we work on is used by products like Facebook, Instagram, Messenger, Oculus, and Workplace.
Hanna Chen
Shopify, Canada
As a former agency developer, Hanna has experience building apps on various platforms. At Shopify, she is a front-end developer on a team dedicated to building out the capabilities that enable great embedded apps. Hanna has spent the last three years building and maintaining Shopify App Bridge, a JavaScript library that lets developers embed apps directly inside the Shopify Admin and Shopify POS.

Rajni Gediya
Hinge Health, USA
As a Staff Software Engineer at Hinge Health, I contribute to developing patient-centered digital musculoskeletal solutions by leveraging expertise in Bluetooth Low Energy (BLE) technology and cross-platform mobile development. My work supports the integration of advanced wearable technology with clinical care teams, enhancing accessibility and outcomes for millions of users.
With over three years of experience at Hinge Health, I specialize in crafting scalable, user-friendly mobile applications using React Native. My mission is to empower healthcare innovation and improve patient experiences through technology. By collaborating across teams, I help deliver impactful solutions that align with the organization's goal of reducing pain and improving lives.

Javier Alcaide Pérez
Bluetab Solutions, Spain
Javier Alcaide is a mathematician and software developer focused on data science and machine learning. His professional career is based on the use of advanced analytics and big data techniques within the financial sector. His current role is the design and construction of AI models and the analysis of data using ETL processing with Big Data technologies.

Kevin Lamping
USA
Kevin Lamping is a Front-end Engineer and Tester. He runs a course on automated testing at http://learn.webdriver.io and has a YouTube Tutorial Channel (Front-end Testing with Kevin Lamping). In his free-time, when he's not playing with his kids, Kevin dabbles in tabletop gaming, disc golf and gardening.









