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!

Will Bishop
Miro, The Netherlands
Will is a Staff Developer Advocate at Miro and has been in the Developer Relations space for the last 6 years at organizations like Zoom, Miro, and Meetup. He's passionate about all things API-related and the interconnectedness of the web.

Nathan Disidore
Cloudflare, USA
Systems Engineer, Emerging Tech & Incubation @ Cloudflare. Helping you internet your things. Equally as likely to be hacking on a Raspberry Pi or baking one.

Paul Serraino
Rollbar, USA
Senior software engineer at Rollbar with over 10 years of experience building web applications.

Eitan Noy
Evinced, Israel
A veteran web developer and manager, with over 15 years of experience, loves accessibility, hates the color magenta, and would definitely love to have dinner with the founders of React.
Spent the last several years working at startups, creating shiny new web applications. These days Eitan leads the Frontend development at Evinced, on a mission to help everyone create more accessible web applications.
Hanna Chen
Shopify, Canada
As a former agency developer, Hanna has experience building apps on various platforms. At Shopify, she is a front-end developer on a team dedicated to building out the capabilities that enable great embedded apps. Hanna has spent the last three years building and maintaining Shopify App Bridge, a JavaScript library that lets developers embed apps directly inside the Shopify Admin and Shopify POS.

Javier Alcaide Pérez
Bluetab Solutions, Spain
Javier Alcaide is a mathematician and software developer focused on data science and machine learning. His professional career is based on the use of advanced analytics and big data techniques within the financial sector. His current role is the design and construction of AI models and the analysis of data using ETL processing with Big Data technologies.

Dünya Kirkali
Remote.com, Netherlands
Dünya Kırkalı is an engineering leader and software engineer whose journey spans building mobile apps, web services, data pipelines, and visualizations across diverse industries and teams. This breadth of experience shaped him into a true generalist, an asset when leading engineers from different disciplines. It also set him on the path to the field he fell in love with: engineering management. Left to his own devices, Dünya enjoys putting on a Joe Pass record and reflecting on ways to create tools and techniques to help engineering managers discover their own global maxima.

Martin Asenov Mladenov
Sesame Online, Bulgaria
Martin Mladenov is a Front-End Team Lead with more than 7 years in the management of FE teams. With a remarkable background in software development and a deep passion for WordPress, Martin is a true innovator in the tech space. His extensive experience includes leading projects that effectively bridge the gap between complex technology and user-friendly solutions. With a proven track record of leading international teams for prominent Bulgarian and UK-based companies, including GlobalData Plc and New Statesman Media Group. Currently driving the development of a next-generation gaming platform at Sesame Online, combining technical expertise and leadership to deliver innovative and scalable solutions.

Karthick Shanmugam
Sixt SE, Germany
I’m Karthick working as a Senior Web Platform developer in Sixt. 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.

Viktor Didenchuk
JPMorganChase, UK
Viktor Didenchuk is a Lead Technical Program Manager at JPMorganChase in London, where he leads delivery of a cloud-first core banking platform for Chase UK. After starting his career as a software engineer, Viktor progressively expanded into delivery and product ownership, founding and growing an engineering consultancy to 20 employees before joining enterprise banking. He is skilled at translating complex technical challenges into strategic business outcomes. Viktor has an MBA from one of the top business schools and is a big advocate of continuous learning.

Alexandre Chopin
NuxtLabs, France
Self-learner and passionated about web development since the age of 15, I have a strong background in frontend development and especially with Vue.js and the Jamstack.

Henry Smith
Netlify, UK
Henry is a Senior Solution Engineer at Netlify based out of London, UK. He is a keen technologist with a background in modern composable web applications, physics, digital simulation and sentient computing.

Eric Kontargyris
Braintrust, Germany
Eric is a Solutions Engineer at Braintrust, helping engineering teams move AI from experiment to production through evaluation and observability. He previously spent a decade in pre-sales at AI and data startups, including Rasa and OmniSci (formerly MapD), where he was an early sales engineer. Earlier in his career, he designed electronic trading systems for fixed income at Lehman Brothers, and now focuses on turning real-world AI use cases into production systems.

Serhii Yakovenko
Engineering Leader, UK
Engineering leader with 10+ years of experience in software development, QA, and team leadership. Passionate about delivering high-quality products, empowering teams, and fostering a culture of collaboration and continuous growth. Skilled in engineering management, project execution, and aligning technical excellence with business goals.

Nancy Du
Rangle.io, Canada
Nancy Du is an Associate Director of Digital Strategy at Rangle.io and an experienced web developer. She’s passionate about all things related to user experience on the web, with a particular focus on React, headless CMS, and UI architecture.

Abe Haskins
Shopify, USA
Abe is a Developer Advocate at Shopify focused on bringing the next generation of ecommerce to developers. Previously he spent 9 years working at Google on Firebase/Cloud where he focused on JavaScript/Typescript.

Robert Nagy
nxtedition, Sweden
Co-Founder at nxtedition Maintainer at CasparCG Collaborator & Technical Steering Committee Member @nodejs

Patrick Akil
Xebia, Netherlands
Software Engineer at Xebia. Creator of the Beyond Coding Podcast (40k+ subscribers), conference speaker, and educator who's passionate about connecting people and making tech events awesome!

Łukasz Jaźwa
Workflow Builder SDK, Poland
Łukasz Jaźwa, CTO at Workflow Builder. Passionate about diagramming and algorithm design, with a strong focus on graph theory. Loves escaping to the mountains for a good trek after hours.

Sofia Larsson
IKEA, Sweden
Sofia leads end-to-end product teams building services and customer experiences in a distributed architecture. She cares deeply about creating environments where engineers can do their best work. Outside of work, she co-hosts Developers!, one of Sweden’s most popular software podcasts.

Bogdana-Elena Avadanei
Zoopla, UK
Bogdana is an Engineering Manager at Zoopla, where she leads teams in building scalable, high-impact technology solutions. Over the past nine years, she has grown from an eager engineering intern into a thoughtful leader passionate about people, process, and continuous improvement.
Her career spans both fast-paced startups and large organizations, giving her a broad perspective on how teams thrive in different environments. Beyond her day-to-day work, Bogdana is dedicated to supporting the next generation of technologists. She has taught at coding bootcamps and apprenticeships, guided students in launching their careers, and was an instructor for Code First Girls.
Driven by curiosity and a focus on growth, Bogdana helps engineers find opportunities for learning and innovation in the fast-moving world of tech.

Keren Fanan
MyOp, Israel
Keren Fanan is the co-founder and CEO of Myop, a developer-first platform transforming how UI and UX are built, controlled and optimized in production.
Keren has held key leadership positions at Moon Active and Gett and has a proven track record of success in scaling startups, launching strategic partnerships and driving profitability.
At Gett, a global B2B transportation leader and unicorn, Keren served as Chief Revenue Officer and GM Enterprise. She was instrumental in scaling the company from its early stages to over $200 million in revenue, leading international SaaS strategy and overseeing marketing, sales, and business development.
Following Gett, Keren joined Moon Active, a $5B gaming company, as VP of Product & Monetization. There, she led cross-functional teams, shaped product direction, and grew average daily revenue from $10K to $200K, contributing to over $1.5B in total revenue.
Keren is a passionate advocate for women’s inclusion in tech and serves as a board member at Women in Tech (WIT). She also actively mentors and supports the next generation of female tech leaders.

