JavaScript experts, mentors, speakers

I currently work at ByteDance as an Engineering Lead for E-Commerce payments system software driving the business of TikTokShop product in the US. I graduated from Carnegie Mellon University with a Masters degree and Vellore Institute of Technology with a Bachelor's degree. I’m a seasoned Silicon Valley professional in the Payments domain with proven engineering expertise for 10+ years. I pioneered the Software Engineering marvel resulting in the increase of user count of products by about 800 times in less than 6 months, generating kick-start revenue of $120k per week during 0 to 1 product growth, tripling the revenue from $5 billion to $14 billion in less than 5 years by getting over the plateau growth, for some of the prominent products in the world like iPhone, Apple Watch, iPad, AWS Amplify, Amazon Alexa mobile app, TikTok shop and Oracle backend server supercluster. The by-products of these business results are multifold improvement in Engineering productivity and grooming myriad software professionals for world class companies like Apple, Amazon, Oracle, SanDisk.

m4dz is a curious animal. Former Frontend Dev, Devtools enthusiast, he has made the Developer eXperience (DX) his cherished topic. All the technologies are under his radar to get things ever simpler. His moto: "Developers are users just like you." As a life-long dreamer his favorite book will ever remains "Alice's Adventures in Wonderland".

Software Engineer with over a decade of industry experience in developing reliable and scalable software systems. Specialities & Interests: Distributed Systems, Server Engineering, API Design, System Architecture, Data Modeling, Caching Solutions, Databases, Algorithms, Server Infrastructure and Operations.

Samuel Pinto is a Frontend Engineer since 2013, he has been working with large using facing applications in companies like Microsoft, Bumble, and OLX. He worked from 5 different countries and loves to be involved and learn new cultures.

Kat works as Quality Engineer at Zoopla. Tried lots of paths: fine arts, comparative literature, social psychology and cognitive science studies before discovering the most enjoyable so far tech path. Kat solves automation testing challenges at work and jigsaw after work. Lives in Scotland.

I'm a frontend developer specializing in JavaScript and React, with a passion for crafting seamless user experiences. Beyond coding, I'm a content creator who loves exploring topics like productivity, creativity, and balancing life as a tech professional and a parent. I empower women in tech through a thriving Facebook group and share insights via my newsletter and podcast.

Hey, I am Joban, and I am currently working as a software engineer at Microsoft Azure. I have been developing planet-scale backend services for the past 2 years and would like to share my experience with Microsoft Orleans Framework, we have been using at Microsoft Teams.

Alex is Partner Program Manager on the Microsoft Edge team and Blink API OWNER. Before joining Edge in 2021, he worked on Chrome’s Web Platform team for a dozen years where he helped design many new features. He served as overall Tech Lead for Chromium’s Project Fugu, lead Chrome’s Standards work, and acted as a platform strategist for the web. He also served as a member of ECMA TC39 for more than a decade and was elected to three terms on the W3C’s Technical Architecture Group. His technical projects have included Fugu, Progressive Web Apps, Service Workers, and Web Components, along with ES6 features like Classes and Promises. Previously he helped build Google Chrome Frame and led the Dojo Toolkit project. Alex plays for Team Web.

Sebastian Witalec is the head of Developer Relations at Weaviate. He loves working on both serious and fun projects, and one day he will use his robot army to conquer the world. He is always happy to learn about new stuff and to pass the knowledge as far as his voice (or the wire) can take him. Sebastian is based in Copenhagen, actively working with various Dev communities across Europe. When not acting techie, he is a massive football fan/player (probably bigger at heart than in skills).

Oleksandr Tryshchenko - Senior Engineering Manager @ Personio He has experience with micro-frontends across three SaaS companies. Initiated and led the migration of FreshBooks from a monolithic UI to a micro-frontends architecture. Currently, he serves as a Senior Engineering Manager at Personio, where he leads the efforts to migrate the entire organization, which encompasses over 130 micro-frontends, to a new design system.

An avid technologist, Richard has worked on a variety of projects with a diverse range of people, crossing technologies, languages, and continents. With a particular focus on the front end space, he is currently working across teams to help build and develop the tech function at Sainsbury’s. Passionate about teaching and sharing, he’s also a co-organizer of JavaScript London and was previously a senior coach at React GraphQL Academy helping professional devs take their skills to the next level.

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 Developer Advocate at Codium where I geek out over generative AI, automation, and the magic of scripting. When I'm not advocating, I'm usually elbow-deep in API adventures, because who needs free time when there's APIs that fail to do what I want them to do..

Game developer with a healthy curiosity for the web. Worked at Wooga for a few years, then freelanced in several game studios. Now in charge of making tech work at PlayPack here in Berlin.

John joined React Flow in 2022 and takes care of the documentation, communication and community.

Saki is a seasoned software developer with decades of experience, specializing in JavaScript and modern web technologies. He has led the development of numerous web applications across various industries, blending deep technical knowledge with hands-on problem-solving. As a consultant and trainer, he supports teams in building scalable, high-quality solutions. His passion is sharing knowledge and promoting clean, maintainable code.

Abeetha Bala is a seasoned Product Leader, with over a decade of expertise in cloud computing, observability, and enterprise software. Over the past several years, she has played a pivotal role in shaping and enhancing Amazon CloudWatch Logs, leading multiple high-impact initiatives for AWS customers worldwide. In addition to her technical leadership, Abeetha is actively involved with TechWomen, a US Dept of State initiative that empowers emerging women leaders in STEM fields worldwide. Through this initiative, she mentors aspiring Emerging Leaders, sharing her technical expertise and experiences to foster diversity and innovation in the tech industry.

Experienced Customer Success professional with a history of working in developer tooling and startups. Extensive background as a support professional.

I'm a frontend engineer at Polar Signals working on continuous profiling visualization tools. When I'm not coding, I enjoy watching The Office and taking pictures on my analog camera.

Over a decade building seamless web experiences. Web accessibility advocate. Technical lead behind award-winning sites. Design system tinkerer. Community and event ambassador.

I’ve spent over 15 years in tech, building products and leading engineering teams that scale. From writing code to shaping strategy, I love solving complex problems and turning ideas into real-world solutions. I believe great products are built by empowered teams, and I’m passionate about creating spaces where engineers can collaborate, innovate, and make an impact.

Rodrigo is a focused developer who produces digital projects for agencies around the world. He has 20 years of experience using various methodologies and tech in most web and mobile projects. He has a strong knowledge base of the WordPress world and is very engaged with the community: building custom themes, plugins, and core customizations. He specializes in WordPress, developing for the front-end back-end and in managing digital projects.

Manasa is a seasoned software engineer with 12 years of experience, specializing in event-driven architectures, data engineering, and scalable systems. She has worked for top companies like Splunk, Selector AI, Celcom, Taulia, and RingCentral, and recently spoke at Grace Hopper Celebration 2024, receiving a standing ovation. Passionate about empowering women in tech, she mentors aspiring engineers and shares her journey from intern to lead engineer. Manasa balances career growth with family, continuously striving to lead with emotional intelligence and technical excellence.

Developer Experience Engineer @ Sentry, organizer of React Toronto community, tinkerer.