December 7 - 11, 2023
TestJS Summit
Berlin, Germany & Online
TestJS Summit 2023

Test JavaScript. Test with JavaScript.

TestJS Summit is getting back in 2023 in hybrid format with the first in-person day streamed from the Berlin venue including hybrid networking features and interactive entertainment; and second day, as well as the numerous free workshops, streamed to the global audience online. TestJS Summit is event for QAs and software developers to get up to date with JS testing best practices, sharpen skills and get latest updates from top products core teams. Get a full ticket to participate in workshops, and network with others JS testing folks on December 7-11, 2023.

Replay.ioPostmanFocusReactiveChromaticCodiumAI
Debbie O'Brien
Debbie O'Brien
Microsoft, Spain
Talk: Everyone Can Easily Write Tests
Senior Program Manager at Microsoft. Over 10 years experience in Frontend development. Google Developer Expert in web technologies, GitHub Star and Cloudinary Media Developer Expert, an Auth0 Ambassador and Nuxt Ambassador and previous Microsoft Most Valuable Professional in developer technologies. International Speaker. Teacher at Vue School and Jamstack Explorers. Writer for Ultimate Courses.
Maya Shavin
Maya Shavin
Microsoft, Israel
Talk: Component Testing With Vitest
Maya is Senior Software Engineer in Microsoft, working extensively with JavaScript and frontend frameworks and based in Israel. She founded and is currently the organizer of the VueJS Israel Meetup Community, helping to create a strong playground for Vue.js lovers and like-minded developers. Maya is also a published author, international speaker and an open-source library maintainer of frontend and web projects. As a core maintainer of StorefrontUI framework for e-commerce, she focuses on delivering performant components and best practices to the community while believing a strong Vanilla JavaScript knowledge is necessary for being a good web developer.
Marie Cruz
Marie Cruz
Grafana Labs, UK
Talk: Holistic Web Performance With Grafana and K6
Marie is currently a Developer Advocate at k6.io, a Grafana Labs company. In the past, she has been an Engineering Manager, a Principal Engineer and a Test Consultant. She is also a tech blogger at testingwithmarie.com, an accessibility advocate and an online course instructor at Ministry of Testing and Test Automation University.
Artem Zakharchenko
Artem Zakharchenko
Freelancer, Czechia
Talk: Mock Service Worker 2.0
Hi! My name is Artem. I'm a self-taught software engineer. I've built this thing called Mock Service Worker, which has changed the lives of developers all around the world. I'm extremely thankful for that. I love testing, and I love writing and teaching about it even more. And coffee, yes, I like that one as well.
Filip Hric
Filip Hric
Replay.io, Slovakia
Talk: Fighting Test Flakiness with Time Machines
Filip Hric is a DevRel at Replay.io He teaches testers about web development and developers about testing. Filip has a Cypress.io ambassador, leads a “Learn Cypress.io” community on Discord and has a blog at filiphric.com where he publishes Cypress.io tips. He’s an international keynote speaker and leading expert on test automation in Cypress.io. As author and instructor of live Cypress workshop, he has taught hundreds of testers and developers about good practices and advanced concepts for testing in Cypress. Enjoys running, playing guitar and spending time with his wife and four children.
Ramona Schwering
Ramona Schwering
Auth0 by Okta, Germany
Talk: Measure and Improve Frontend Performance by Using Test Automation
Ramona is a Developer Advocate at Auth0, with a software engineering and quality assurance background. She bridges the gap between testers and developers and fosters trust in identity topics. Ramona is also a Google Developer Expert in Web Technologies and a Women Techmaker and Cypress Ambassador.
Mo Khazali
Mo Khazali
Theodo UK, UK
Talk: The Art of ‘Humble Views’: Testing React Native Apps the Smart Way
Mo is the Head of Mobile and a Tech Lead at Theodo UK, having worked on several projects with startups and established enterprises to create cross-platform mobile application in React Native. He's passionate about React Native, MobileDevOps, and pushing the boundaries of combining code across web and mobile. Before joining Theodo, Mo was a full-stack developer at Nasdaq. He is a graduate from the University of Edinburgh.
Carly Richmond
Carly Richmond
Elastic, UK
Talk: Synthetic Monitoring and e2e Testing: 2 Sides of the Same Coin
Carly is a Developer Advocate at Elastic, based in London, UK. Before joining Elastic in 2022, she spent over 10 years working as a technologist at a large investment bank, specialising in Frontend Web development and agility. She is an agile evangelist, UI enthusiast, and regular blogger. In her spare time, she enjoys cooking, photography, drinking tea and chasing after her young son.
Murat K Ozcan
Murat K Ozcan
Extend, USA
Talk: Cypress Component Testing vs React Testing Library
Murat was born in Turkey and has lived around Chicago for over 20 years. He graduated from Illinois Institute of Technology with a computer engineering bachelor's and contributed at Siemens for over a decade. He is married with two daughters; 9 and 11 years old. He lives to do corrective deeds; learn, teach, fix what is broken, improve and optimize all things around at work, open source, and home life. He is a tech enthusiast in love with testing, development, devops, web and cloud. Currently he is a Staff Engineer & Test Architect at Extend.
Lia Moreira
Lia Moreira
Blip, Portugal
Mentorship available
Talk: Playwright Fixtures - Little Walkthrough
Software developer in test automation, with major focus on Frontend. Huge passion to learn and pass through the knwolegde that already have.
Kat Kmiotek
Kat Kmiotek
Zoopla, Scotland
Talk: Exploring Node Modules for Test Automation
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.
Cecelia Martinez
Cecelia Martinez
Ionic, USA
Talk: Mobile Device Testing for Cross-Platform Apps
Cecelia Martinez is a Developer Advocate for Appflow at Ionic, a company that helps web developers build cross-platform applications using modern technology. She is dedicated to creating better, more inclusive developer experiences for all. Previous companies include Cypress and Replay, with areas of expertise including web & mobile development, testing, developer tools, and open source. She is a Lead Volunteer with Women Who Code FrontEnd, Chapter Head of Out in Tech Atlanta, and a GitHub Star.
David Burns
David Burns
BrowserStack, UK
Talk: Testing Frameworks, Mobile Frameworks, and Browsers Love Developers and Testers
David Burns, heads the Open Source office at BrowserStack. He is also a core contributor to the Selenium project and Chair for the W3C Browser Testing and Tools Working Group.
Júlio de Lima
Júlio de Lima
CAPCO, USA
Talk: What I Learned About Software Quality From The 10 Most Popular Javascript Projects On Github
Júlio de Lima is a specialist in Software Testing with 13 years of experience. Júlio has a Bachelor's Degree in Software Engineering, a specialization in Teaching in Higher Education and a Master's Degree in Electrical and Computational Engineering with a focus on Testing and Artificial Intelligence. He currently lives in Orlando, Florida. He serves as Principal QA Engineer at Capco, helping financial institutions establish robust and sustainable testing strategies. He uses his coding and architecture skills to contribute to software quality at all system layers. Júlio has contributed to the software testing community through his channels on YouTube, Instagram, Spotify, and in articles for technical and scientific magazines. He has experience as a speaker at international events and has trained more than 9,000 students through his online training in Portuguese.
Marco Ippolito
Marco Ippolito
NearForm, Italy
Marco is a Senior Developer Experience Engineer at NearForm. Currently serving as a maintainer of Node.js, Fastify and Mercurius and member of Node.js security team, Marco brings years of experience in designing, developing and testing high scalability and distributed cloud applications, committed to contributing to open source projects and helping the Node.js community grow.
Lucas Estevão
Lucas Estevão
Avenue Code, USA
Lucas is a proud dad and kickboxing brown belt. He has over 15 years of experience in large-scale software development, from system design and architecture to engineering management of front-end teams. In addition, he invests time in influencing technical recruitment processes, mentoring engineers, and, most recently, hosting a career podcast in Brazilian Portuguese. Currently working at Apple as a contractor from Avenue Code.
Norbert de Langen
Norbert de Langen
Chromatic, Netherlands
Talk: How We Test Storybook Itself
Norbert de Langen is a full-time open-source maintainer of Storybook working for Chromatic, the company behind Storybook.
Marcela State
Marcela State
Cognizant Romania, Romania
Talk: Unlocking Rapid Delivery - perspective of a shift from DevOps to QAOps
With over 14 years of extensive engineering experience, I am a seasoned QA Engineering Manager with a profound passion for technology, a strong affinity for open source, and an unwavering commitment to fostering vibrant and inclusive communities.
Theodore Vorillas
Theodore Vorillas
Proximity, Greece
Talk: Rise of the Robots
Theodore Vorillas is a software engineer with a focus on JavaScript development. As an independent developer, he works on exploring various aspects of software creation, delving into the realms of IoT, human interaction, and ethical software building.
Mesut Durukal
Mesut Durukal
Indeed, Japan
Talk: The Future is Today: Leveraging AI in Software Testing
Mesut has 15+ years of experience in Industrial Automation, IoT platforms, SaaS/PaaS and Cloud Services, the Defense Industry, Autonomous Mobile Robots and Embedded and Software applications. Along with having proficiency in CMMI and Scrum & PMP experiences under his belt, he has taken various roles (as Quality Owner, Hiring Manager, and Chapter Lead) in multinational projects. He has expertise in test automation and continuous testing in CI/CD pipelines. Besides, he has been facilitating test processes and building the test strategy and lifecycle of the projects. He is a frequent international speaker, the best presentation award winner, and a member of various program committees. He has spoken at 100+ international conferences (6 continents, 25+ countries: 10+ of them are in-person).
Olga Trofimova
Olga Trofimova
Splicky, Germany
Talk: AI in API Testing: How to Test Faster With ChatGPT
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.
Matan Borenkraout
Matan Borenkraout
Microsoft, Israel
Talk: Testing Library: Everybody Uses It, But Nobody Understands It
Matan is a Senior Software Engineer at Microsoft, speaker and a tech blog writer. He is a React enthusiast and a Testing Library maintainer who's aiming to understand how things work rather than satisfying on a given API. Matan believes that knowledge is worth nothing if not spread.
Reuben Ellis
Reuben Ellis
Chromatic, USA
Talk: Visual Testing: Optimize Storybook and Win
My name is Reuben Ellis, and I'm the lead solutions engineer at Chromatic. I've been using Storybook and various visual regression test tools for years. My primary passion and focus have always been on automation testing and integrations! Ultimately, my goal is to make the day-to-day better for other engineers.
Todd Fisher
Todd Fisher
Verdi AI, USA
Talk: Generative Ai In Your App? What Can Possibly Go Wrong?
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.
W. Ian Douglas
W. Ian Douglas
Postman, Denver, CO
Talk: We've Rested Long Enough, What's Next?
I am a long-time open-source developer, educator, manager and mentor. I encourage everyone around me to share their collective knowledge, and am a strong champion of diversity in the tech industry. When I'm not working, I'm live-streaming about career advancement and interview preparation, tinkering with 3D printing or IoT projects, or telling dad jokes on Twitter.
Jason Laster
Jason Laster
Replay.io, USA
Talk: Stop Triaging Your Test Suite
Jason is a JS time traveler, DevTools dev, and recent dad exploring the joys of fatherhood.
Renaldi Gondosubroto
Renaldi Gondosubroto
SEEK, Australia
Mentorship available
Talk: Revolutionizing JS Testing with AI: Unmasking the Future of Quality Assurance
Renaldi Gondosubroto is a Software Developer from Seek Limited, where he works on the backend of the home page which is accessed by all jobseekers who search for jobs on the site as well as the infrastructure which powers it. Previously he has worked as a .NET software developer for automobile companies and has been active within the research community; putting a lot of his research focus within IoT and virtual reality. Through his passion of developing software and contributing to the opensource community, Renaldi wants to encourage the innovation of new solutions to usher forward and promote a new era of innovations that can be used by everyone. Having spoken at 20+ events and conferences, he has also been active on the open source community for the past five years, building solutions on the cloud and sharing his experiences and projects.
Petros Plakogiannis
Petros Plakogiannis
Trasys Greece, Greece
Talk: From Good to Great: Elevate Testing with Cypress Contract Tests
Petros Plakogiannis has graduated the University of Piraeus and the Technological Educational Institute of Crete. He has been working professionally as a software tester for 15 years, with strong focus on automated testing. Petros is also the main organizer of the Ministry of Testing Athens meetups.
Tally Barak
Tally Barak
Yoobic, Israel
Talk: Zen and the Art of UI Components Testing
Tally has over 30 years of software development, product management, and consulting experience. Today Tally works for Yoobic as an architect responsible for all the Frontend tooling, testing, and DevOps processes. Tally loves Javascript and its ecosystem and is happily sharing this knowledge with other developers. Playwright Ambassador.
Jaap Brasser
Jaap Brasser
Codium, Netherlands
Talk: Code coverage with AI
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..
Walmyr
Walmyr
Talking About Testing online school, Barcelona
Talk: No More Flaky Tests!
Hi, I'm Walmyr. I'm a software engineer who loves testing. I'm also a clean coder, blogger, YouTuber, podcaster, Cypress.io Ambassador, online instructor, mentor, speaker, an active member of the testing automation and JavaScript communities, and a fan of good music, tattoos, gardening, vegan 🌱 food, and skateboarding.