JavaScript experts, mentors, speakers

Software developer with more than 20 years of professional experience. Team member of Vite and Svelte.

Marco Pierobon is a seasoned Developer at Thoughtworks with well over a decade of experience in designing and implementing distributed applications. Specializing in cloud native technologies, he has led cross-functional teams in transitioning from project-based to product-oriented approaches. Marco has successfully orchestrated the migration of over 15 legacy systems to modern web-based platforms, significantly enhancing system scalability and performance. An active contributor to the tech community, he has presented at industry and tech conferences alike. Marco is passionate about driving innovation and efficiency in software development, aligning with the latest trends in cloud computing and AI integration.

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.

Business-oriented software product engineer (M.Sc. in computer science) featuring 15 years of professional involvement in the entire life-cycle of digital products. Experience developing a variety of disruptive Internet technologies. Insights into modern travel, smart cities, the gig economy and social networking services.

Tech Lead and Senior Software Engineer with 12+ years' experience, believes that collaboration changes every game. Holds Bachelor's and Master's degrees.

Mofei started programming when she realized it can help her cheat in video games. She focused on operating systems in undergrad / grad school, but now finds herself happily tinkering on React. Outside of work, she enjoys debugging bouldering problems and planning her next backpacking trip(s).

Samiul Huque is a senior software engineer at Bloomberg, where he works on the company’s Instant Bloomberg (IB for short) chat tool. He works across the stack, building full-stack products where he primarily uses a combination of JavaScript/TypeScript and Python. Outside of work, Samiul plays tennis, competes in MMA, and eats his steak medium rare. Samiul earned his bachelor’s degree in economics and mathematics from the University of Richmond.

Mateusz is a Principal Software Developer at Workflow Builder with seven years of experience in React. He specializes in building data visualization solutions and interactive diagramming interfaces. He combines technical expertise with a business focus to develop practical, high-impact applications.

A serial tools builder, I'm super passionate about creating a magical and seamless developer experience. Have been working on creating tools, infrastructure and systems for developers over the past 7 years, and going strong!

Ilia has been working as a Web Developer since 2008 and has rich experience in creating complex web applications and writing reliable client and server-side application logic in JavaScript. He worked both in a large corporation and in a small company, where he realized how to make decisions, take responsibility and manage a team. Created his own startup, which he successfully sold. Passionate about computer science, mathematics and finding answers to challenging questions. He always has high demands for the quality of his own code and does not compromise in terms of the logic and speed of the code. He loves minimalism in code, design, and life.

Todd has a passion for promoting a healthy product and engineering culture, collaboratively exploring ways to solve both organizational and engineering needs, as well as holding regular discussions around how to evolve the software engineering craft. Todd believes in a human centered approach to engineering, where the experience of those creating and evolving the product is just as important as those that use the product. A native to California's bay area, Todd’s journey into programming started over two decades ago and he has been privileged to work with many technologies as well as leadership roles over the years. With his experience as a Principal of Software Engineering Practices, in the Technology Center of Excellence at Pluralsight, Todd supported both individual software engineers and the technical leadership team in helping to continually improve and work together in a way that enables everyone to do their best work. Todd loves to play the guitar, and is always open to jamming out and frequently enjoys paired programming with strangers.

Alex Shershebnev is a seasoned Computer Vision and MLOps Engineer with over nine years of experience shaping the future of AI-driven software development. Currently, Alex leads the ML/DevOps team at Zencoder, where he leverages his extensive background in Software Engineering, ML and DevOps to deliver high-quality machine learning solutions. His work spans complex data pipelines, cloud infrastructure management (GCP, Kubernetes), and advanced ML/DevOps pipelines, ensuring scalability and efficiency.

Heena is an open-source enthusiast since her college days. She completed her Bachelor of Technology from Delhi Technological University, 2011-2015 in computer engineering. She contributed to KDE organization during Google Summer of Code. Later, she mentored open-source contributors as a Google Code In, 2013 mentor and made the KDE community even more stronger by her diligent demonstration of mentorship skills. She was also one of the co-administrator and mentor for Search of KDE, 2014 and Google Code In, 2014. She has represented KDE organization in various Google Summer of Code knowledge sharing sessions held in DTU. She also presented KDE plasma projects in FOSSASIA 2015, Singapore. She also organized a Google Summer of Code meetup in Delhi which was featured in Google open-source blog. Apart from her open-source contributions, she has over 8 years of work experience as a software developer. She is currently working at Expedia as a Software Development Engineer III for Flights. She is one of the service owner for flights progressive web application. She has done several pipeline improvements for an efficient release process and is responsible for ensuring timely releases using the release pipeline for the same. She is a part of flights performance project where she shares a crucial role in making the flights progressive web application performance efficient. She has presented on “Portfolio Management through storytelling using narrative visualizations with advanced filtering” in Hong Kong Open Source Conference, 2017. She also presented a poster on “Optimal financial planning through storytelling using narrative visualizations with advanced filtering“ in Grace Hopper Conference India, 2017. She was also a mentor in “Learn IT, Girl” 2015 in which she mentored female developers.

My degree is in Graphic Design, but when I started coding by accident, I fell in love with the beauty of good code. I've never looked back. I've worked for tiny sole proprietorships and giant multinationals, startups and mature companies. I've found something interesting and worth doing at all of them.

Vadim Zhamkov is a Fronted Architect with 14+ years experience in web development. Organiser of AmsterdamJS, React Amsterdam and AI Tinkerers Amsterdam meetups. Former organiser of MoscowJS meetups.

Benjamin Swerdlow took a break from his studies at UChicago, to go work as a Senior Backend Engineer for Apple, who recently took a break from Apple to build Freestyle. He's been building in the Open Source community since high school, and was a technical lead for the World Health Organization's COVID-19 App team.

Graham is the Co-founder and CEO of GrowthBook, the most popular open-source feature flagging and A/B testing platform. GrowthBook is backed by Y Combinator and Khosla Ventures. Before starting GrowthBook, Graham was the CTO of Education.com for 6 years. Graham is a three-time startup founder, including starting an international non-profit to increase access to communication in the developing world, particularly sub-Saharan Africa. He has a degree in Physics from CMU.

Phil is Head of Developer Relations at Deno. With a passion for browser technologies, and the empowering properties of the web, he loves seeking out ingenuity and simplicity, especially in places where over-engineering is common. After 25 years of building web applications for companies such as Google, Apple, Nike, R/GA, and The London Stock Exchange, Phil has worked to challenge traditional technical architectures in favour of simplicity and effectiveness. Phil is co-author of “Modern Web Development on the Jamstack” (O’Reilly, 2019).

As a QA Engineer and Enthusiast, Olga loves to use modern and practical approaches to improve product quality. She believes that AI will never replace human work, but could help to improve the quality of testing and reduce efforts for a manual one.

Andreia brings a wonderful mix of academic experience and open-source passion to Genezio. Her expertise shines through in her contributions to streamlining FaaS/serverless deployments for the end users. Andreia is a passionate public speaker and technology advocate. She empowers developers to write clean, bulletproof code through her talks and articles. When she's not elbow-deep in writing code, you might find her talking about best practices for cloud and backend development at conferences or meetups.

Andrew Murphy started his career as a Software Engineer but, after a decade in technology leadership, he decided to focus on teaching the skills that he learnt the hard way. When he moved into leadership there was no support, so he had to make all the mistakes (a lot of them!) and learn from them. His goal is now to make sure that tech leaders don’t have to do things the hard way by providing them with the mindsets and skillsets that can make them happy, confident and effective leaders. His company, Tech Leaders Launchpad, currently focuses specifically on the new and emerging leader space, as that's the place we can have the biggest impact on the students, and the industry.

Hello, my name is Shivakant Shukla, and I am a MERN stack developer with four years of experience in creating dynamic and user-friendly web applications. My passion for technology, coupled with a strong foundation in front-end development, has been the driving force behind my career. In the realm of Front-end development, I excel in crafting interactive and responsive user interfaces using technologies such as React, Redux, JavaScript, HTML5, and CSS3. I take pride in my ability to transform design concepts into functional, pixel-perfect websites that provide exceptional user experiences. Whether it's optimising performance, ensuring cross-browser compatibility, or enhancing accessibility, I am committed to delivering high-quality front-end solutions. While my primary expertise lies in front-end development, I have had the opportunity to work with back-end technologies like Node.js, Express.js, Nest.js, and MongoDB.

Hadar is the co-founder and CTO of Myop, a developer-first platform transforming how UI and UX are built, controlled and optimized in production. Hadar brings over 15 years of hands-on development experience and a deep focus on frontend infrastructure. Over the past decade, he’s led engineering teams at some of Israel’s top tech companies. At Wix, Hadar served as an architect and then head of the frontend guild, managing over 700 developers and helping shape the company’s core frontend systems. Prior to that, he held senior R&D leadership roles at Jive Software and Rafael, driving large-scale frontend development across complex products. A Unit 8200 alum, Hadar brings not only technical depth but also a strong understanding of organizational scale, cross-team architecture, and how to evolve legacy systems. His experience spans both building systems from scratch and leading long-term frontend transformations in high-growth environments.

Nica Mellifera (She/Her) was a developer for seven years before moving into developer relations. She specializes in containerized workloads, serverless, and public cloud engineering. Nica has long been an advocate for open standards, and has given talks and workshops on OpenTelemetry and Kubernetes architecture.