JSNation US 2025

Addy Osmani is an engineering leader working on Google Chrome. He leads up Chrome's Developer Experience organization, helping reduce the friction for developers to build great user experiences.

Creator of Bun.

I own and make video tutorials teaching web development for Level Up Tutorials, releasing a new premium series every month. I also co-host Syntax.fm with Wes Bos. Syntax is a popular, light hearted web development podcast that teaches full stack topics while staying fun. I enjoy breaking also known as breakdancing, and have been dancing for over 15 years doing shows for professional NFL and NBA teams. I'm inspired by a hot cup of green tea, excellent music, and Shaw Bros. kung fu movies.

Ryan Carniato is a prominent developer, educator, and open source maintainer best known as the creator and lead maintainer of SolidJS, a high-performance reactive JavaScript framework. He is recognized for his deep expertise in frontend web development, especially around cutting-edge technologies like reactivity, server-side rendering(SSR), hydration, and advanced optimization techniques employed by JavaScript frameworks.

Matteo is the Co-Founder and CTO of Platformatic.dev with the goal to remove all friction from backend development. He is also a prolific Open Source author in the JavaScript ecosystem and modules he maintains are downloaded more than 17 billion times a year. Previously he was Chief Software Architect at NearForm. Matteo is a member of the Node.js Technical Steering Committee focusing on streams, diagnostics and http. He is also the author of the fast logger Pino and of the Fastify web framework. He is also co-author of the book "Accelerating Server-Side Development with Fastify" edited by Packt. In 2014, he defended his Ph.D. thesis titled "Application Platforms for the Internet of Things". Matteo is an renowed international speaker after more than 60 conferences, including OpenJS World, Node.js Interactive, NodeConf.eu, NodeSummit, JSConf.Asia, WebRebels, and JsDay just to name a few. In the summer he loves sailing the Sirocco.

Daniel leads the Nuxt core team - previously CTO of SaaS startup and founder of a creative agency focusing on clarity of vision and message. His open-source work has a focus in the Vue.js and Nuxt ecosystems and he's involved in consultancy with companies around the world, particularly around JAMstack, serverless and software architecture. He's based in Scotland where he lives with his family and cat.

Liran Tal is a software developer, and a GitHub Star, world-recognized for his activism in open source communities and advancing web and Node.js security. He engages in security research through his work in the OpenJS Foundation and the Node.js ecosystem security working group, and further promotes open source supply chain security as an OWASP project lead. Liran is also a published author of Essential Node.js Security and O'Reilly's Serverless Security. At Snyk, he is leading the developer advocacy team and on a mission to empower developers with better dev-first security.

Tony is a bestselling Udemy and Pluralsight author, known for his online courses such as "JavaScript: Understanding the Weird Parts", in which he focuses on teaching web and computer science fundamentals. He has spent 25 years as a web application developer, database architect, and UX designer and continues to focus on creating a usable and accessible web. He holds a BS in computer science from Case Western Reserve University.

Alex is a Developer Relations engineer at VoidZero, a Nuxt.js Team member, Web Engineering Consultant, and open-source enthusiast. He creates tech-focused video content, co-hosts the DejaVue Podcast, speaks at conferences, and leads workshops to empower developers and advance the web ecosystem.

Kim is a Developer Relations and Developer Experience leader and strategist, JS engineer, and identity and security standards stickler. She enjoys teaching, mentoring, and learning from folks in the product technology space. Kim is the Senior Director of Developer Relations at FusionAuth and is a Google Developer Expert in Identity. She loves to travel, overland cross-country, design stickers, and craft miniatures and artisan keycaps for mechanical keyboards.

Peter is a co-founder of DBOS, helping you build reliable software effortlessly. He loves databases and distributed systems a little too much, so he did a PhD in them, working with Matei Zaharia and Peter Bailis at Stanford.

Senior Product Engineer @Epilot, Web Performance Google Developer Expert, Microsoft MVP.

TC39 delegate and ECMA rep, working on JavaScript feature proposals. Hemanth is a FOSS philosopher and MTS at PayPal Inc. Google Developer Expert for Web && Payments. DuckDuckGo community leader. Member of Node.js Foundation. Google Launchpad Accelerator mentor.

Ayodele is a Developer Relations engineer and a solution architect. Ayodele is passionate about developer education and product adoption. He's passionate about learning, building, and teaching web technologies, and tools that can help developers succeed in their role.

Will is dedicated to crafting exceptional developer experiences, that help us increase our understanding, creativity, and flow. Throughout his career, he's shared expertise building developer tools, organized meetups, and helped cultivate thriving technical communities. Now at North Developer, he leads the effort to elevate the developer experience of their APIs and payments platform, through clear documentation, practical examples, and by working with the developer community to solve their challenges.

Marco is a Senior Security Engineer at HeroDevs. Active contributor, releaser, and member of the Node.js Technical Steering Committee, he is a renowned international speaker and a Microsoft MVP. Marco is actively involved in many projects within the Node.js ecosystem and also serves as a delegate in TC39.

Elian Van Cutsem or "ElianCodes" is a full-stack developer, creative technologist, and all-around internet troublemaker based in Belgium. He’s the **CTO at Vulpo** and works in **Developer Relations at React Bricks**, focusing on developer experience, documentation, and education. Previously, he was a Software Engineer and core maintainer at Astro. Elian is also a co-organizer of several major JavaScript communities and events, including **BeJS**, **React Paris**, **React Brussels**, and **React Africa**. Alongside his professional work, he creates provocative and experimental AI projects, designed to challenge our assumptions about ethics, automation, and human behavior. His work blends code and commentary, often in ways that are both hilarious and uncomfortably real. Elian is known for his passion, puns, and offbeat sense of humor. His talks combine technical insight with a strong dose of creative chaos—guaranteed fun on stage.

Tech leader leveraging AI to solve real business problems. Built and scaled AI solutions across multiple ventures - from custom agent architectures to enterprise RAG systems and local AI deployments. My biggest passion is teaching others how to leverage AI effectively. I run a private AI community and a YouTube channel breaking down complex AI concepts into practical, hands-on guides. My content mostly covers building AI agents and leveraging AI coding assistants in ways that actually scale.

Brian heads global developer relations at Algorand Foundation, where he helps devs learn, integrate, apply, and contribute to Algorand's open source blockchain technology to solve real world problems. Before joining the Foundation, Brian led global strategic technology transformation programs at Morgan Stanley, where he worked with commodities, exchange and OTC derivatives, Prime Brokerage, Brexit preparations, and digital assets over 15 years. When not on his laptop, he's probably cooking up something creative, literally or figuratively.

Daniel Afonso is a Senior Developer Advocate at PagerDuty, SolidJS DX team member, Instructor at Egghead.io, and Author of State Management with React Query. Daniel has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. He is passionate about learning and teaching and has spoken at multiple conferences around the world about topics he loves. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.

Matheus is a Staff Front-End Engineer at Medallia, building their surveys platform and helping them shape the customer experience market with React, and a Google Developer Expert in Web Performance. His areas of interest include React and its ecosystem, JS and compile-to-JS languages, DX, and perceived performance optimization. Aside from public speaking about these, he also volunteers at TechLabs, teaching front-end development.

My background includes 10 years experience in Web development and currently venturing into Machine Learning, I am deeply passionate about empowering and inspiring others, which is why I proudly serve as a Women Techmaker Ambassador, dedicated to sharing my knowledge and experiences with the community and fostering diversity in the tech industry.

Iwo Plaza is a software engineer & artist, trying to incorporate art into every project he gets his hands on. He's passionate about graphics programming and softening the learning curve for future developers trying to get into it. Author of TypeGPU and numerous interactive examples and games built using WebGPU for Web and React Native. His combined experience with C++ game engines and TypeScript's type system allow him to lead the project in a unique direction.

Riccardo Erra is a developer advocate at Figma. He joined Figma as their first developer advocate in EMEA. Before joining Figma he worked as a software engineer for 15 years with the last few years spent as a design system engineer. At Figma he's empowering engineers to make the most out of the various Figma's tools tailored to developers.

Raihan Nismara is an experienced front-end web developer from Indonesia who is passionate about crafting memorable experiences through apps and sharing his knowledge, and actively contributes to the tech community through his podcast, volunteering, and speaking engagements.

A passionate web aficionado with over a decade of experience, I've been involved in developing accessible web applications that have reached millions of people.

Joana is a product engineer specialised in bringing groundbreaking projects to fruition with a non-ending curiosity. She has a strong passion for unravelling through the numerous challenges that come up everyday in the life of a dynamic product developer. Her will to share knowledge is only matched by her will to keep growing and learning.

James is a Developer Relations Engineer at Google, where he empowers developers with the transformative power of generative AI and Firebase Studio. Having worked in technology for what one colleague called "eons in Internet years," his career has been dedicated to improving the user experience. He was an engineering leader for the original HBO GO, led the teams for over a dozen of Discovery's "GO" streaming apps, and once upon a time a Flash evangelist. James is a passionate leader who excels at building and mentoring world-class engineering teams, always happy to "own the gap" between technology and user experience.

Faris Aziz is a Staff Frontend Engineer specializing in React, Next.js, monetization systems, and resilient web architecture. He's led teams in early-stage startups and scaling companies, built career ladders from scratch, and shipped systems used by millions. His work spans greenfield builds and legacy refactors across Fintech, SaaS, Fitness, and Connected TV, with companies like Smallpdf, Fiit, Discovery, GCN, and Navro. He focuses on building performant, user-centric applications with solid observability and maintainability. Faris co-organizes ZurichJS, contributes to tools like Raycast, and spends time contemplating life's great questions, like why the build works on his machine but nowhere else.

I'm a Tech Lead working mainly with Node.js, React and AWS. I solve problems, sometimes by writing code, other times by talking to people.

Full-stack engineer and tech lead with 10+ years of experience building high-performance web applications. Currently focused on Astro, React, and AI-powered systems. Passionate about web performance, developer tooling, and helping small businesses succeed through modern JavaScript frameworks.

Karen Li is a concert pianist turned elementary school teacher turned software engineer. She is currently a software engineer at GitHub's npm team. Aside from engineering work, Karen blends education and technology by sharing her experience with the community. Her motto, "I invest in brains" captures her journey from teaching to tech empowerment.

Kritiketan (aka Kittu) is a Managing Consultant at Shine Solutions, and have been building consumer facing applications for a decade. He is passionate about knowledge sharing, developer experience and web development. He believes technology should simplify lives and make them better. He is getting closer to finding the world's best sandwich.

Ryan Feigenbaum is a Dev Advocate at GrowthBook, helping teams build scalable feature flagging and experimentation systems. A JavaScript enthusiast with a love for performance and developer tooling, they’re passionate about making experimentation seamless for engineers. When not deep in flags and rollouts, they’re probably sipping a bourbon, playing chess, and having a spirited disagreement with their dog, Mel.

CEO @Devmy, DevRel Expert @Codemotion, Google Developer Expert (GDE), Microsoft MVP, Google Certified Developer, LEGO Serious Play Facilitator, Projects Manager, Software Engineer, Speaker/Evangelist/Trainer, AWS UG Lead Francesco is a Google Developer Expert, Google Certified Developer, Microsoft MVP ed AWS UG Leader and an accomplished programmer with several years of experience in enterprise programming , high skilled in web development (frontend and backend) and in team project management. I’ve worked for a long time as a employee and then as a freelancer, but nowadays I has my own company: Devmy – Software Factory (former Acadevmy), founded with my friend Andrea. He was also Content Manager and DevRel of Codemotion, the largest tech community in Europe with more than 200,000 developers, as well as the largest IT conference in Italy and one of the most important in Europe. I love reading comics (strictly Batman!), playing the drums, riding a motorbike, playing padel and spending a lot of time with his beloved family.

Allison McMillan is a fractional VP of Engineering and Leadership Consultant with over 25 years of design and facilitation experience for gatherings, covering everything from meetings and strategy planning sessions to offsites and conferences. She’s previously held leadership roles at QuotaPath, DEV, and GitHub. Allison has worn many hats in multiple industries as a community builder, managing director, and software engineer. Allison started a podcast about being a parent in tech, Parent Driven Development, and is an internationally recognized keynote speaker. She is very involved in the Ruby community as a former board director and President of Ruby Central. You can find more writing, speaking, and consulting information on her website: www.allisonmcmillan.com

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!

A charismatic Lead Software Engineer on Pepr at Defense Unicorns is an architect and engineer focused on cloud native and hybrid cloud environments focused on solving problems of scale, latency, reliability and secure software delivery. Lover of coffee and improving the open source community.

Noam Zingboim is a seasoned software engineer specializing in Node.js, JavaScript, and system design for scalable backend services. With experience ranging from architecting new products to maintaining critical systems, he focuses on building maintainable, reliable, and high-performance solutions.

Alex Astrum is a passionate builder working in Developer Relations at Google’s Firebase, where he helps teams ship production-grade AI features with Genkit, Vertex AI, and Firebase Studio. He authored Firebase codelabs on Genkit and Gemini Extensions. He enjoys presenting live workshops and volunteering at hackathons. His current focus is around the transformational potential of AI in the app building space.

Karly Lamm is a Senior Mobile and Full Stack Web Engineer, currently serving as the Director of Strategic Software Solutions at Aviron Software. She has helped startups scale their products from early MVPs to acquisition, including one later acquired by Walmart. Karly specializes in JavaScript technologies with deep experience in React, React Native, and Angular. She is a strong advocate for accessible and inclusive code, with a passion for building products that work for everyone. In her current role, she partners with startups to design scalable solutions, mentor engineering teams, and implement thoughtful UI and accessibility practices that align with real-world user needs.

Aikerim Belispayeva is a Senior Analyst at Memorial Healthcare System, where she leads data-driven initiatives to improve hospital billing accuracy, detect improper payments, and modernize revenue cycle management. With a Master’s in Data Analytics and a strong background in SQL, Python, and EHR systems like EPIC, she works at the intersection of data science, healthcare finance, and regulatory compliance. Aikerim brings a unique perspective to the tech world — blending deep industry expertise with hands-on analytics to advocate for smarter, more user-centric data tools. She is also a recognized speaker and award-winning advocate for using data to drive impact in public health systems.