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!
Kristopher Jackson
Kristopher Jackson
Inklusiiv, Finland
Experienced Business Development Specialist with a demonstrated history of working in the information technology and services industry. Skilled in Sales, Customer Relationship Management (CRM), Event Management, Management, and Account Management. Strong business development professional with a Finance focused in Economics and African American History from the University of Illinois at Urbana-Champaign.
Joe Hart
Joe Hart
Incident.io, UK, London
Joe Hart is a software engineer, international speaker, and occasional stand-up comedian (mostly at JavaScript conferences, but still). He builds joyful interfaces with React by day, and questionable side projects by night. Joe brings a mix of deep technical insight and sharp humour to the stage – because if you can’t laugh about state management, what’s the point?
Wendy Erdheim-Poch
Wendy Erdheim-Poch
Elementor, Israel
Wendy Erdheim-Poch is a QA Automation Engineer at Elementor with over nine years of experience in JavaScript testing and automation. She helps development teams build confidence in their code by making quality a natural part of the workflow. She’s passionate about pushing buttons, breaking things, and making sure everything works the way it should. Outside of tech, she’s a swim teacher, mom of two, and enjoys camping and creative projects.
Cynthia Akiotu
Cynthia Akiotu
Accenture, CyberSecurity Architect, United Kingdom
Mentorship available
Cynthia Akiotu is an AI Security and Cybersecurity Architect specialising in securing AI agents, identity, data, and cloud environments. A Microsoft MVP, she helps organisations move AI initiatives from experimentation to production by embedding Zero Trust, identity governance, data protection, and practical guardrails into their architectures and operating models. Cynthia speaks at global technology events and writes about agentic AI security, AI governance, identity risk, and the evolving responsibilities of engineering teams building AI-enabled systems.
Max McCrea
Max McCrea
Monadical, USA
Max is the technical co-founder of Monadical, a software development consultancy focused on emerging technologies and AI solutions, and Developer Capital, an early stage AI investment corp.
Jannik Sommerfeld
Jannik Sommerfeld
Team One Developers GmbH, Germany
As a software developer with a rich background in successful agile projects, I value constructive, harmonious, and proactive communication. I enjoy the opportunities and freedoms that the ECMAScript world offers. At the same time, I embrace self-chosen guidelines that we can establish through the use of TypeScript. I am 30 years old, father of a new born and I am excited to teach and to learn.
Gunj Joshi
Gunj Joshi
stdlib, India
Mentorship available
Gunj Joshi is a core contributor to stdlib, the JavaScript standard library for numerical and scientific computing. His work spans special mathematical functions, FFT implementations, and automated generation of high-performance packages at scale. A Google Summer of Code contributor and mentor, he has spoken at JSNation (US & EU) and FOSSASIA. Previously, he worked as a Quantum Research Intern at IBM and an open-source intern at Quansight, and currently works at a high-frequency trading firm.
Anurag Hazra
Anurag Hazra
Timeless, India
Self taught frontend developer from India who loves to tinker around with modern web technologies, College student & currently working at timeless.co
Jeff Hoffer
Jeff Hoffer
Rollbar, USA
Jeff Hoffer is the Technical Leader for Growth at Rollbar, working to improve Rollbar's current products and assist in developing new products that engage customers by bringing Continuous Code Improvement tools to where they are. With over 20 years of experience developing software for startups and enterprises, scaling to Internet traffic, building and maintaining commercially licensed products, and developing internal enterprise tools, Jeff has worked as a Software Engineer, Software Architect and in Director and VP roles leading technology organizations at Intuit, The Bouqs Company, Lunchbox (acquired), Accordent (acquired by Polycom) and Countrywide along with consulting work at many other prominent firms. Jeff has a passion for software development which is why he loves working at Rollbar so much with the focus on improving the professional lives of developers and the strong engineering culture.
Katharina Fetzer
Katharina Fetzer
hylane GmbH, Germany
At the age of just 29, Katharina is Head of IT at hylane, a rental company for hydrogen trucks. She previously worked as a software developer and data engineer at WetterOnline for 9 years. In her work, she places a special focus on sustainable corporate IT and will share her experiences.
Semih Ozden
Semih Ozden
Commencis, Türkiye
I have over six years of experience in designing and developing dynamic websites with interactive features that drive business growth and improve user experience. I use React.js with Next.js in frontend development, creating static site generation (SSG) and server-side rendering (SSR) pages, and refactoring projects from Angular.js to React.js. I also use Redux for state management, Cypress for end-to-end, integration, and component testing, and Tailwind.css and Material-UI for building custom themes. I am passionate about web performance and SEO optimization, and I use Webpack, Gulp, Babel, and Eslint to implement best practices and solutions. I also work with API-centric design approach, use CSS3 and HTML5 for designing websites, and use JavaScript ES6+ features to develop the entire website. I have experience in checking pull requests, implementing Scrum strategies, and collaborating with other frontend teams.
Sam Stepanyan
Sam Stepanyan
OWASP London Chapter Leader, UK
Sam Stepanyan is an OWASP London Chapter Leader and an Independent Application Security Consultant with over 20 years of experience in the IT industry with a background in software engineering and web application development. Sam has worked for various financial services institutions in the City of London specialising in Application Security consulting, Secure Software Development Lifecycle (SDLC), developer training, source code reviews and vulnerability management. He is also a Subject Matter Expert in Web Application Firewalls (WAF). Sam holds a Master’s degree in Software Engineering and a CISSP certification.
Will Voelker
Will Voelker
Aldeia, Portugal / UK
Will divides his time between web development and teaching, and has ever since 2005, when he started his web development career removing duplicate data from his friend's map-based property search app. Since then he has coded and taught in diverse contexts, from national newspapers to the shores of the Atlantic ocean. A qualified school-teacher, he is nevertheless passionate about alternative forms of education. He has spent the last two years researching and building his home-ed support platform, Aldeia (using React, obviously).
Miroslav Malecha
Miroslav Malecha
Bonitoo, Czech Republic
Miroslav Malecha is Director of Product management at Bonitoo.io. He has a background in computer science and has been focused on defining software products in data science, enterprise architectures and cloud computing. Prior to joining Bonitoo, Miroslav held product management positions at Good Data and Hewlett-Packard Software. When Mirek is not working, you can find him speeding down hills on his ebike in the forests near Prague.
Kristina J. Robinson
Kristina J. Robinson
Influxdata, USA
Kristina J. Robinson is a Software Engineering Manager at InfluxData. With over 20 years of software development experience, she is thrilled to be a part of the InfluxData UI team. Most recently, Kristina spent time in the financial tech sector working as front-end developer. Kristina graduated from Rice University with a degree in Computational and Applied Mathematics. She currently lives in San Antonio, TX, with her husband and teenage son, and has another son in college. She also has two cats, and fosters dogs and cats frequently. She plays video games with both her boys. She reads voraciously, enjoys paper crafts and knitting, and plays several musical instruments.
Jennifer Gray
Jennifer Gray
Shopify, Canada
Jennifer is a front end developer on the Docs and API Libraries team at Shopify where our goal is to make it easier for developers to build on Shopify’s platform by creating and curating technical resources. Jennifer has spent the last two years working on shopify.dev, Shopify’s home for developer documentation.
Nataly Rocha
Nataly Rocha
Stack Builders, Ecuador
I’m a software developer working at Stack Builders with about 6 years of experience in full-stack development. I enjoy writing code, looking for new technologies, and finding solutions to problems. Music, sports, functional programming, and business are also a great part of my life.
Daniel Hervás
Daniel Hervás
Reckon Digital, Spain
Daniel is a software engineer with a background in first, local, and then international and VC-backed startups. He's now the lead engineer at Reckon Digital, where he directs and coordinates several projects with clients such as the UN's World Food Programme.
Udipta Basumatari
Udipta Basumatari
Thravos.io, UK
With 16 years of product and business leadership in marketing technology at top companies like Salesforce, Adobe, WPP, and Rakuten, Udipta has led 8-figure revenue units and launched NK BigStar, Northeast India's largest streaming platform, reaching 500K monthly active users. Currently in C-level roles at innovative crypto startups, he played a key role in Bowled.io's Token Generation Event, driving over $10 million in daily trading volume for the BWLD token across multiple exchanges.
Andy O'Neil
Andy O'Neil
Weblytica, United States
My name is Andy O'Neil, and I help entrepreneurs add time-saving automation to their businesses through a process called co-building. This is a 1-on-1 process where I assist business owners in building automations over Zoom calls. Each session is personalized to meet the specific needs of the business owner and their business automation requirements. I have been creating no-code processes and automations since 2006, even before the term "no-code" was widely used. I have a passion for teaching entrepreneurs how to automate their businesses using Make.com, which is why I focus on co-building. My goal is to empower people to understand and control the automation processes in their businesses. I have been married for 21 years and have four beautiful children who keep my wife and me very busy.
Nikolay Gushchin
Nikolay Gushchin
UK
I am a software engineer with more than 8 years of experience. Over the last 5 years, I’ve worked with a wide range of companies, from start-ups to Fortune 500. I specialize in E-Commerce and am passionate about UX and AI.
Francisco  Gomes
Francisco Gomes
UK
Francisco Gomes is a Tech Lead, building large-scale microservices systems. His work spans engineering standards, developer enablement, security, compliance, and architecture across modern stacks including cloud, frontend, backend, and AI. Beyond industry, he has taught aspiring engineers from over 20 countries, mentoring the next generation of software developers.
Steven Lee
Steven Lee
Atos, UK
Steven has 13+ years of industry experiance as an engineer, tech lead, interim CTO, technical co-founder and technical consulting. Starting out as a software engineer and moving quickly to tech lead and consulting to building digital venture teams across London. Most two roles have been Head of Technology and Head of AI/Developemnt for two multinational companies. Day to day activies focused around research, development and integration of new tools and workflows for engineering teams, hiring and training the next generation of developers and building modern sustainable software.
Simon Lenz
Simon Lenz
DeepL, Germany
Hi, I’m Simon, a developer from Kaiserslautern, Germany. I work at DeepL on breaking down language barriers. Accessibility is a particular interest of mine, because we should bring everyone along in that process. I like hiking in the beautiful Pfälzerwald and, these days, also enjoy playing the flute, editing the magazine of a historical board game society, and strolling across Tamriel as my Khajiit.