JavaScript experts, mentors, speakers

Performance testing specialist with 7 years of experience delivering reliable and scalable applications. I design and implement performance testing strategies from scratch, identify bottlenecks, and provide actionable insights that improve system stability and user experience. Skilled in JMeter, BlazeMeter, Grafana, InfluxDB, Jenkins/TeamCity, and cloud environments (AWS, Azure). Experienced with monitoring and observability tools like Kibana, Telegraf, and Zabbix, enabling proactive issue detection and performance optimization. I help teams ensure their applications handle real-world traffic efficiently, reduce downtime, and meet business performance goals.

Alon is a Software Engineering Team Lead at Monday.com with over a decade of experience in the software industry. Prior to joining monday.com, he worked at companies such as at Intel, BrightSource, and MyHeritage, specializing in Frontend development before transitioning to leadership roles in 2020. Alon is passionate about "doing the right things right," combining architectural guidance with empathetic leadership to help his team reach their full potential. He holds a degree in Computer Science from the Hebrew University of Jerusalem, and in his spare time, loves to travels the world with his wife and kids, and as a true coffee enthusiast he manages a coffee community and develops shopping aid tools.

Tech Lead @ Attest.

Passionate about improving testing practices and supporting projects to improve its quality.

GraphQL Technical Steering Committee, Principal Software Engineering Manager at PayPal.

Gal is the Director of Engineering at Epsagon. Gal has a background in cyber-security, with experience in reverse engineering, networks analysis, and was part of an army elite intelligence-unit before joining Epsagon.

Ryan has been building for the web for 25 years. He created rari, a React Server Components framework running on a Rust runtime that delivers 46.5x higher throughput and 9.1x faster response times than Next.js. He believes performance shouldn't be an afterthought and that the web deserves frameworks that are both fast and beautiful to work with.

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.

Product Manager at heart. Noa’s forte is creating products specially made for engineers and tech-savvy geeks. With her strong technical background as a former software engineer, her main passion is to simplify complicated technological pains into intuitive solutions and easy-to-use products that anyone can understand and use. She is currently the Lead Product Manager for the Wix CLI. She is a public speaking enthusiast and won't miss an opportunity to present her products in front of an audience.

Sylwia is a Senior JavaScript Developer with over a decade of experience. She has worked on a wide range of projects, from greenfield applications to complex migrations. As a Tech Lead, she focuses on helping teams modernize legacy codebases and build sustainable solutions.

Developer at Nexapp for 9 years, Alexandre has supported more than a dozen clients in the development and design of their products. As a senior frontend developer, he ensures he stays up to date with the latest development practices. In recent years, he has taken a particular interest in the educational aspect of his work through training and mentoring. What motivates him on a daily basis is sharing his experiences and learnings with his colleagues and clients.

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.

Sam Abaasi is a Staff Frontend Engineer and squad lead at MTN Irancell, where he architected a Camunda‑based workflow platform replacing a legacy Huawei system. He owns the full frontend platform – React, TypeScript, BPMN/DMN tooling. He is the author of three in‑depth technical series: “How JavaScript Works” (10 parts), “How React Works” (9 parts, source‑verified), and the definitive 23‑part guide to the bpmn‑io form‑js module system.

Sergey is a software engineer at FocusReactive. Loves to understand how things work and is passionate about website performance.

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.

Ilya Pukhalski is a founder and partner at ENDGAME. He spent 20+ years in software engineering, architecture and product development, designing and delivering large transformation programs for IKEA, Primark, Nike, Albert Heijn. He founded ENDGAME on a conviction: software engineering is in a renaissance, and machines amplify great engineering minds rather than replace them. At ENDGAME he builds a dark factory of autonomous agent pipelines, and helps other organizations make the same leap into agentic product development.

Java developer, Software Architect and Enterprise Commerce Expert. Dad of one soon to be two, loves music, photography, cooking and running.

Oli is currently a Frontend Engineer & Tech Lead at Cleo working across the mobile (React Native) & web (React) products. He sits within the savings squad whose mission is to help Cleo users build a safety net of savings.

I'm Karthick, a Staff Web Platform Developer at SIXT, currently focused on making AI coding agents safe and productive inside large React codebases — without letting them erode the architecture boundaries that make them work. Beyond AI, I spend my time building JavaScript platforms, refining workspace-driven architectures, and designing the infrastructure layers that tie everything together. From Nx/pnpm monorepos to multi-instance microfrontends, I focus on the patterns, boundaries, and shared capabilities that help application teams scale without friction. I love diving into how large JS systems behave in the real world and sharing practical lessons that simplify them.

Engineer Graduate, Software testing ISTQB certified and professional experience as a Software Developer. Current Solutions Engineer as Snyk.

Webmaster before it was cool, pixel pusher, javascript-something, conference organiser, father of two, but mostly known for yelling at clouds.

I'm a software engineer from Paris, based in New York. I run Cyborg and spend most of my time building things (some ship, most don't). I really enjoy working on performance optimization and applied cryptography, and sometimes I write. Outside of being an absolute nerd, I'm a big football/soccer fan (Allez les Bleus & Ici c'est Paris!) and an avid snowboarder.

Author of RescriptRelay and host of RelayMeetup.com. Partner at Arizon, a Swedish IT-consultancy and startup incubator. Loving GraphQL, Relay and ReScript.

Marko is a Solutions Engineer for Yugabyte Cloud, he works with Yugabyte cloud customers to successfully build high throughput applications using the Yugabyte Cloud database.