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!
Niklas Lepistö
Niklas Lepistö
Brella, Finland
Senior Frontend Developer at Brella
Konstantin Lebedev
Konstantin Lebedev
STRV, Czech Republic
Web developer, speaker, and educator. Constantly discovering new ways to improve the architecture of web applications, and make them more secure, fast, and interactive.
Eyal Keren
Eyal Keren
Wing Cloud Inc., Israel
CPO at Wing Cloud Inc.
Ibrahim Cesar Bevilacqua
Ibrahim Cesar Bevilacqua
Compass.uol , Brazil
Solutions Architect, working with web development and cloud, in a news media outlet in Brazil with technologies such as TypeScript, NextJS, Node.js, GraphQL, AWS Amplify and the bazillion other AWS services.
Nur Şah Ketene
Nur Şah Ketene
Columbia Road, Finland
Managing Consultant @ Columbia Road, Advisor, Coach, Teacher.
Michele Bonazza
Michele Bonazza
Independent, Germany
Michele is an independent Full Stack developer who's been working with React Native since 2018. He rebuilt JustWatch's mobile apps, where he formerly led the TV apps team. He's been a member of the Program Committee for React Day Berlin since 2023.
Richard Donovan
Richard Donovan
RD Coached, UK
Mindset and Wellbeing Coach to the Software Engineering Industry Richard is self-taught and has over 24 years experience working as a Software Engineer, Tech Lead, Engineering Manager and Software Architect. Feeling the need to contribute more than just lines of code to the software engineering industry, Richard trained to become a mindset coach and personal trainer to help software engineers protect their wellbeing and mental health, which is vital for success in our industry.
Ashwin Vinay Phadke
Ashwin Vinay Phadke
Servient Inc, USA
Ashwin has 3+ years of experience with machine learning and building applications around it. He has in past worked at man startups eventually moving to big tech and mid sized companies and have helped build teams from ground up. He regularly guides and advises pre seed startups to help them develop their product and guide them as a mentor. He believes he still has much to learn everytime he gets to know something new and values sharing his knoweldge at events and meetups.
Dennis Nerush
Dennis Nerush
Elementor, Israel
**Dennis Nerush** is the Director of AI at Elementor, where he leads the company's AI strategy and guides teams through the integration of GenAI technologies that enhance productivity while preserving human creativity and accountability. With over 15 years of experience as a developer, manager, director, and adviser across multiple tech companies and startups, Dennis has dedicated his career to building people-first cultures rooted in continuous learning, curiosity, and growth. He believes that when individuals thrive, teams and businesses flourish, a philosophy that has guided him in founding dozens of teams and mentoring over 100 managers. Dennis is a seasoned public speaker and writer who shares his insights on AI integration, leadership, and team performance at international conferences. He's passionate about helping leaders develop the skills and confidence to excel in a world where human leadership and AI collaboration go hand in hand. In his free time, Dennis loves cooking and spending time with his kids. His main goal is to help people reach the next level.
Rahul Nanwani
Rahul Nanwani
ImageKit.io, India
Rahul is the CEO and Co-Founder of ImageKit.io, a leading SaaS platform that helps developers optimize, transform and deliver high-quality images and videos on the web.
Godwin Amila
Godwin Amila
UK
Amila Godwin is a solution architect at WSO2, specialising in the design and implementation of robust and secure Identity and access management (IAM) platforms. He works closely with global solution architecture (SA) teams and partners to help organisations to build scalable and efficient IAM solutions that meet their security and compliance needs. Prior to joining WSO2, Godwin worked as a co-founder/engineer at a startup, where he was responsible for designing and developing augmented reality and smart card based solutions. He is a Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD), and Certified Kubernetes Security Specialist (CKS).
 Shrey Shah
Shrey Shah
Vivun, Canada
Cursor Ambassador, Senior AI Software Engineer with over 8 years of experience in software development and 2+ years of experience developing AI-driven tools and solutions. Expertise in LangChain, LangGraph, and RAG with hands-on development of multi-agent applications, Agentic workflows, and knowledge graphs systems at scale.
Yash Verma
Yash Verma
University of Calgary, Canada
Yash is taking a break from university. He is curious about observability and performance in large systems and constantly seeks new insights in these areas. As an active advocate of OpenTelemetry, he contributes to both the project and the broader community. Outside of tech, he’s an enthusiastic explorer - whether experimenting with new recipes in the kitchen or traveling the world to experience diverse cuisines.
Kasper Mol
Kasper Mol
Poki, Netherlands
Indie developer in his free time, writes code + does generally awesome web and gaming stuff @ Poki.
Will Johnston
Will Johnston
WP Engine, USA
Will Johnston is a Developer Advocate on the DevRel team at WP Engine. He started coding when he was 10 years old, and began coding professionally at 15. He got his start working on an open source competency tracking tool for schools with Python and Zope. Will founded Covalence alongside Matt Landers, and served as CTO. At WP Engine, Will is excited to help make the headless CMS world a better place by helping others embrace headless and make the most out of new tools and technologies.
Konstantin Klimashevich
Konstantin Klimashevich
Uber, Netherlands
Engineer at Uber, building the platform that powers its systems. Enjoys creating spaces where developers connect and share ideas.
Shadid Haque
Shadid Haque
Fauna, Canada
Developer Advocate @Fauna
Faris Aziz
Faris Aziz
Smallpdf, Switzerland
Mentorship available
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.
Ray Luxembourg
Ray Luxembourg
Sisense, Israel
Ray Luxembourg is a Technical Lead at Sisense, where he designs and develops frontend cross-framework Software Development Kits (SDKs). With expertise in React,Vue, Angular, and backend technologies, Ray focuses on creating seamless integration and enhanced usability across diverse platforms. He has been recognized for his innovative solutions, including a CEO Award for Product Innovation. Ray is passionate about improving development processes and utilizing AI to optimize software functionality and education.
Elliott Johnson
Elliott Johnson
Vercel, SvelteKit Maintainer, USA
Elliott lives in the beautiful city of Denver, Colorado, where he spends his free time doing Dangerous Outdoor Activities. During the day, he works as a Growth Engineer at Vercel, and, when he can, he helps maintain the world's best web framework, SvelteKit.
Yannick
Yannick
BBZ CFP Biel-Bienne, Switzerland
Last 7 years Yannick was working as a software/devops engineer and did a lot of open source work. Since February 2023 he is a teacher (mainly for JavaScript) at BBZ CFP Biel/Bienne. Therefore, he has a bit less time to work on maintaining OpenSource work. On the side he manage commercial (non-opensource) software products in the Finance and Healthcare industry.
Tobbe Lundberg
Tobbe Lundberg
CedarJS, Sweden
Tech Lead at Aerafarms, CedarJS maintainer. Lives out in the middle-of-nowhere in Sweden. Likes everything on two wheels and loves to travel.
Loris Sigrist
Loris Sigrist
Inlang, Switzerland
Building open-source internationalization tooling at Inlang