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!
Jason Santos
Jason Santos
Rangle, USA
Jason Santos is a Senior Solution Architect at Rangle.io, where he is responsible for mentoring teams, understanding problems, finding solutions, and providing technical expertise to different projects. In the few years he has been at Rangle, he was able to contribute to the success of large projects in the Banking, Healthcare and Electronic Payment spaces, helping shape Enterprise architecture, leading teams and implementing full stack solutions using NodeJS microservices and cloud-native technologies, as well as both Angular and React. He brings with him 30 years of experience in building software across multiple languages and environments, from embedded software to IDEs and Debugging tools -- designing and implementing software frameworks and building applications on both back-end and front-end since the late 1990s. Being a certified SAFe Agilist, Jason is a strong advocate of process improvement, DevOps and agile delivery practices; he is also passionate about knowledge sharing and mentoring other developers.
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.
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.
Phil Hawksworth
Phil Hawksworth
Deno, UK
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).
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.
Carmen Huidobro
Carmen Huidobro
Directus, Austria
Carmen Huidobro is a developer advocate and dev education enthusiast. She thrives on lifting others up in their tech careers and loves a good CSS challenge. Always excited to talk about teaching tech, especialmente en Español, oder auf Deutsch.
Ian Schwartz
Ian Schwartz
Cargurus, USA
Ian Schwartz is a Principal Developer at Cargurus with nearly a decade of experience in JavaScript, and more recently, TypeScript. His passion lies in functional programming, which he loves to integrate with React to build robust and scalable web applications. With a strong background in modern JavaScript frameworks and libraries, He is dedicated to pushing the boundaries of what's possible in web development while fostering a collaborative and innovative environment. He has a dog that looks like a cow.
Mathilde Buenerd
Mathilde Buenerd
Shopify, Spain
I am a Frontend Developer at Shopify and a certified Web Accessibility Specialist. My expertise lies in creating complex user interfaces that are both user-friendly and compliant. At Shopify, I develop No Code tools, enabling all users to effortlessly customize their Online Store.
Jaap Brasser
Jaap Brasser
Codium, Netherlands
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..
Kritiketan Sharma
Kritiketan Sharma
Shine Solutions, Australia
Kritiketan (aka Kittu) is a Managing Consultant at Shine Solutions, and have been building consumer facing applications for a decade. He is passionate about knowledge sharing, developer experience and web development. He believes technology should simplify lives and make them better. He is getting closer to finding the world's best sandwich.
Lean Vilas
Lean Vilas
Team Lead @ Appinio, Germany, Hamburg
Lean Vilas is a Senior Software Engineer, Team Lead, and mentor with over a decade of experience helping developers grow into confident, high-impact contributors. Known for blending technical expertise with a deep focus on people, he teaches software engineers how to navigate career transitions, especially the leap from individual contributor to engineering manager. Through his newsletter From IC to EM and conference talks, he shares practical, human-centered leadership insights that resonate with devs who want to lead without losing themselves.
Vijay Ramesh
Vijay Ramesh
Demandbase, USA
Vijay has been building software professionally for 20 years, focusing mostly on full-stack and backend development for the first half of his career before transitioning into data engineering and applied data science roles, and eventually into engineering leadership. Today at Demandbase he heads up two of the main application groups - supporting Account Based Experience and Advertising - as well as leading the Core and Shared Services platform team.
Nica Mellifera
Nica Mellifera
Checkly, USA
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.
Akshay Ranganath
Akshay Ranganath
Cloudinary, USA
Akshay Ranganath is a Solution Architect at Cloudinary responsible for bringing customers on-board, helping them create work-flow for media management and media delivery. While not working, you'll find him holding camera and indulging in some photography.
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.
Shane Ketterman
Shane Ketterman
Toptal, USA
The scripted part: Experienced and results-driven Customer Success Manager with a proven track record of driving customer satisfaction, retention, and revenue growth. I am passionate about building strong relationships with customers and helping them achieve their goals based on outcomes-based thinking and maximizing the value they derive from products or services. Unscripted: I am an empath, product nerd, people nerd, and a consultant/coach. My background in business, marketing, tech, and SaaS, allows me to bring a lot of great ideas and discussion to the CSM table. One can often find me learning AI, metrics, psychology, and trying to continually answer the question, "what can CSMs do to help customers solve real problems while also seeing future value in a product or service?"
Rebecca Warren
Rebecca Warren
StackHawk, USA
I build product marketing and sales enablement organizations at technical start-ups and scale ups. I have experience in cybersecurity, DevSecOps, computer networking and MarTech.
 Dirk-Willem van Gulik
Dirk-Willem van Gulik
The Netherlands
Dirk-Willem van Gulik is one of the internet engineers behind the world wide web and of the founding fathers of the apache web server. He was the President of the Apache Software Foundation during its first 10 years. He has worked for the Joint Research Centre of the European Commission, the United Nations, telecommunications firms, several satellite & space agencies and founded several startups. He participated in different international standards bodies, such as the IETF and W3C on metadata, GIS, PKI, Security, Architecture and Internet standard since the early days. He build the initial engineering team at the very first ‘webserver’ startup: Covalent, helped make big-data and the semantic web reality at Asemantics and created the first first instant play P2P viewer at joost.com. He was the Chief Technical Architect at the BBC where he shaped the audience facing development-delivery platform Forge in the time for the 2020 Olympics and where he made information security and compliance a core enabler for business processes. He provides technical due diligence to investors and assists companies with their technology; taking an (interim) CTO role where needed. He currently works on several medical and privacy intensive security projects with a heavy emphasis on Architecture and Governance. During the Corona crisis he assisted the Ministry of Health of the Netherlands, the EU and the UN with the `CoronaMelder'; where opensource, cryptography and security-by-design helped build trust. And, more recently has spend waay to much time in Brussels on the Cyber Resilience Act (CRA) and the Product Liability Directive (PLD) as Europe brings in significant regulation of IT and Open Source. When not at work, he loves to sail or hang out with the lovely people at his local https://makerspaceLeiden.nl.
Francesco Sciuti
Francesco Sciuti
Devmy, Italy
CEO @Devmy, DevRel Expert @Codemotion, Google Developer Expert (GDE), Microsoft MVP, Google Certified Developer, LEGO Serious Play Facilitator, Projects Manager, Software Engineer, Speaker/Evangelist/Trainer, AWS UG Lead Francesco is a Google Developer Expert, Google Certified Developer, Microsoft MVP ed AWS UG Leader and an accomplished programmer with several years of experience in enterprise programming , high skilled in web development (frontend and backend) and in team project management. I’ve worked for a long time as a employee and then as a freelancer, but nowadays I has my own company: Devmy – Software Factory (former Acadevmy), founded with my friend Andrea. He was also Content Manager and DevRel of Codemotion, the largest tech community in Europe with more than 200,000 developers, as well as the largest IT conference in Italy and one of the most important in Europe. I love reading comics (strictly Batman!), playing the drums, riding a motorbike, playing padel and spending a lot of time with his beloved family.
Richard Davison
Richard Davison
AWS, Sweden
Richard is a Sr. Partner Solutions Architect at AWS focusing on Application modernization using Serverless and Containers. During his 3-year tenure at AWS he has played a pivotal role assisting partners & customers in various industries with their cloud adoption and modernization strategies. Richard collaborates with the development teams and engineering leaders to optimize software delivery in the cloud, emphasizing best practices and AWS's capabilities.