JavaScript experts, mentors, speakers

Chad Carlson manages the Developer Relations team at Platform.sh. Chad spent a large portion of his professional career in academia, where he worked primarily in vision science laboratories using Python to study the human visual system: how we detect motion, how we understand natural image statistics, and its evolutionary origins. Today he can typically be found writing, cooking, or working on projects in Python, Node.js, Go, and whatever new language Platform.sh starts support for and wants another pair of eyes on.

Dante is a technical consultant and full-stack software developer. His passion is designing and building software solutions, mainly with C#, .NET and Typescript. He is fascinated by software architecture and software craftsmanship.

Arpit is a passionate web developer excited about building next-gen experiences on the web.

Zachary is a Senior DevOps Engineer at StackHawk. As a startup junkie, he has played many roles including operations, engineering, product development, and leadership. In his current role, he is focused on the evolving CI/CD landscape and how this diverse set of technologies can be used to improve the productivity of software developers, and the quality of the code they produce. Outside of work he enjoys music, photography, cycling, and various pastimes.

I am a Software Engineer at SonarSource working on JavaScript/TypeScript static analysis in SonarQube, SonarCloud, and SonarLint. I am passionate about coding and developer tools. I want to help developers write reliable and secure code.

Heather May is a Lead Software Engineer at Stitch Fix, author, musician, and proud Mama of the sweetest Pointer-mix rescue.

Nico is the Senior Director of Solutions Engineering at Rollbar. He has spent over 13 years working with companies around the world to improve their software development lifecycle focused on quality critical applications. His passion is helping teams deliver quality products to market faster. “Do what you love and love what you do!”

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.

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.

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 ;)

Hi, I’m Henrik Fricke. I’m a software developer at WakeSys, focusing on web and serverless technologies. I like to give talks and workshops at conferences and did that also at clients when I tried my best to be a professional AWS cloud consultant.

I'm Sulagna Ghosh, a JavaScript engineer who loves working with React, performance optimization, web accessibility, and authentication. I enjoy solving tricky problems and fine-tuning rendering workflows to make web experiences as smooth as my morning coffee. When I'm not coding, you'll find me sharing insights through tech talks, lively discussions, and blogs. I'm always learning—whether it's a new programming language or the secret to the perfect masala chai. Always up for a good brainstorming session, especially if it involves code and caffeine.

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.

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.

Tech Lead • Front-End Advocate • Mentor & Educator • Tech Blogger • Published Author • 100+ IT Certifications • 30K+ Followers • Docker Captain • Expert in React.js, Next.js, Angular, DevOps, Web Accessibility & Security Kristiyan Velkov is a seasoned software developer and technical leader with more than 10 + years of expertise in JavaScript and open-source development. His comprehensive skill set includes: JavaScript, TypeScript, React.js, Angular, Vue.js, Next.js,DevOps,Web accessibility,Security and DevOps. A lifelong learner, Kristiyan has earned over 100 IT certifications. With experience at some of the world’s leading IT organizations, Kristiyan thrives as a technical lead, driving innovative projects and mentoring teams to achieve growth and excellence. His thought leadership has garnered a significant following: - 30,000 LinkedIn connections - 7,000 Medium subscribers - 100,000+ monthly readers - 4 IT books.

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.

Renaldi Gondosubroto is a Software Developer from Seek Limited, where he works on the backend of the home page which is accessed by all jobseekers who search for jobs on the site as well as the infrastructure which powers it. Previously he has worked as a .NET software developer for automobile companies and has been active within the research community; putting a lot of his research focus within IoT and virtual reality. Through his passion of developing software and contributing to the opensource community, Renaldi wants to encourage the innovation of new solutions to usher forward and promote a new era of innovations that can be used by everyone. Having spoken at 20+ events and conferences, he has also been active on the open source community for the past five years, building solutions on the cloud and sharing his experiences and projects.

I am a freelance software engineer, instructor, and public speaker with over half a decade of hands-on experience in the entire software development process.

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!

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.

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.

Helping startups outperform their competitors (using DevOps). Programming since the age of 12 (with breaks here and there, don’t worry). Operating high-scale systems since 18, and obsessed with DevOps since 20. Exploring new ways for startups to enjoy DevOps, and writing about it on my website. Occasionally playing guitar in jam sessions, and eating sandwiches in a different kind of jam sessions.

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 is a software developer at Donut where she champions testing and accessibility. And ensures there's a steady supply of office donuts.