20 Best Developer Conferences to Join in 2025

Whether you’re a front-end specialist, web developer, or app creator, attending the best developer conferences can accelerate your career growth and broaden your professional network.

Staying updated with the latest tools, trends, and technologies is more challenging than ever. Developers often find themselves caught in daily routines, making it difficult to keep pace with rapid changes.

Attending developer conferences is one of the best ways to break out of that cycle. These events provide invaluable opportunities to learn from industry leaders, gain practical skills, and connect with peers who share similar passions.

From the biggest developer conferences to niche web development conferences, there’s something for everyone. These programming conferences and coding conferences serve as platforms to discover innovative ideas, explore new technologies, and engage in hands-on workshops.

In this guide, we highlight the 20 best developer conferences to attend in 2025, including top web developer conferences, app developer conferences, and front-end conferences.

Whether you’re looking for a major industry event or a focused application development conference, these web dev conferences and development conferences will keep you at the cutting edge of software innovation.

20 Best Developer Conferences

1. NDC Melbourne 2025

Dates: April 29-May 1, 2025
Location: Melbourne, Australia

NDC (Norwegian Developers Conference) is widely recognized as one of the best developer conferences globally, attracting over 2,500 attendees per event.

Since its inception in Oslo in 2008, originally focusing on .NET and Agile, NDC has evolved to cover a broad spectrum of modern software development technologies and practices.

The conference spans five days—two dedicated to pre-conference workshops and three to core sessions—offering a rich mix of hands-on learning and expert talks suitable for both beginners and experienced professionals.

NDC stands out among coding conferences, app developer conferences, and front end conferences by featuring sessions led by industry pioneers and thought leaders.

Attendees gain deep insights into the latest tools, frameworks, and methodologies, making it an essential web developer conference for developers seeking to stay ahead in their fields.

With its comprehensive program and focus on quality education, NDC continues to be a top choice for software professionals worldwide.

2. FOSDEM

Dates: February 1–2, 2025
Location: Brussels, Belgium

FOSDEM (Free and Open Source Developers’ European Meeting) is a premier annual event dedicated to free and open-source software (FOSS).

This non-commercial, two-day conference is entirely volunteer-organized and offers free admission, making it accessible to a broad range of developers and contributors.

FOSDEM serves as a dynamic platform for networking, knowledge sharing, and collaboration among open-source enthusiasts.

The event features “developer rooms” where project teams gather to discuss recent advancements, showcase their work, and deliver talks led by project leaders and key committers.

Since its inception in 2000, FOSDEM has grown into one of Europe’s largest developer gatherings, drawing over 5,000 attendees each year.

It is an ideal venue for developers to stay up-to-date with the latest open-source trends, tools, and projects, fostering community engagement and innovation in the open-source ecosystem.

3. DeveloperWeek

Dates: February 11 – 13, 2025
Location: California, USA

DeveloperWeek is the largest developer conference in the world, attracting over 8,000 developers, engineers, software architects, managers, and executives from more than 70 countries.

This comprehensive event includes a conference, expo, hackathon, tech hiring fair, workshops, technical talks, and keynotes, making it a must-attend for anyone in the software industry.

Attendees get the chance to explore the latest advancements in developer technologies across diverse fields such as VR development, Artificial Intelligence, Blockchain, IoT, Serverless architecture, Microservices, and emerging JavaScript frameworks.

A highlight of DeveloperWeek is the expanded DevExec World, offering two days of focused roundtable discussions and networking opportunities tailored for engineering managers, tech executives, and lead developers.

The event boasts participation from tech giants like Google, Facebook, IBM, and Microsoft, reinforcing its status as a premier gathering for innovation and professional growth. DeveloperWeek remains an essential platform for learning, collaboration, and career development in the global developer community.

4. BASTA! Spring

Dates: March 3 – 7, 2025
Location: Frankfurt, Germany

BASTA! Spring is one of the best developer conferences in Europe, especially for professionals focused on .NET, web development, and AI innovation. Held in Germany, it draws over 600 software architects, developers, and IT professionals, particularly from the German-speaking region.

Recognized among leading web developer conferences and app developer conferences, BASTA! Spring offers a rich mix of knowledge-sharing, networking, and skill-building opportunities.

The five-day event features over 70 sessions, including workshops, live coding, and two-day boot camps. Topics range from C# and .NET to AI, cloud computing, JavaScript, and front-end technologies, making it a strong contender in the list of coding conferences and front end conferences in Europe.

Whether you’re looking to deepen your expertise in the Microsoft stack, stay ahead in emerging tech, or connect with like-minded professionals, BASTA! Spring is a must-attend development conference for those committed to pushing the boundaries of software innovation.

5. Flutter Heroes

Date: March 12, 2025
Location: Turin, Italy

Flutter Heroes is a rising star among front end conferences and app developer conferences, with a laser focus on the Flutter framework. Launched in 2022, it’s one of the newest additions to the world of developer conferences but has quickly gained attention within the Flutter and mobile development communities.

Although it’s a single-day event, Flutter Heroes punches above its weight. Last year, it welcomed over 220 in-person attendees and 150+ remote participants from across the globe. With an impressive international speaker lineup and sponsors deeply rooted in mobile development, it offers great value for Flutter enthusiasts seeking practical insights and community connection.

The conference includes hands-on workshops, deep-dive technical talks, and interactive sessions tailored to both beginners and seasoned Flutter developers. Its intimate setting fosters high-quality engagement and learning, making it a great pick for developers focused on cross-platform mobile apps and front-end innovation. Flutter Heroes is fast becoming one of the best developer conferences for mobile UI.

6. JSWorld 2025

Dates: March 12-14, 2025
Location: Amsterdam, Netherlands

JSWorld Conference is one of the most dynamic and content-rich web developer conferences globally. As a premier gathering for JavaScript enthusiasts, it attracts over 2,500 developers, engineers, and tech leaders from more than 50 countries every year.

Known for its cutting-edge focus, JSWorld dives deep into both foundational and emerging trends in JavaScript development.

This year’s agenda highlights hot topics like AI in Frontend, LLMs and Generative AI, Agnostic JavaScript Tooling, and Web Performance—making it one of the best developer conferences for professionals keen on staying at the forefront of innovation.

Sessions span across technologies such as TypeScript, Deno, Astro, WebXR, Three.js, Node.js, and major frameworks like React, Angular 15, Vue, Qwik, and Vite.

Beyond talks, JSWorld includes live coding, networking lounges, and immersive workshops. A fun twist in 2025 is “The Big JavaScript Game Show,” where participants can win prizes and test their JS knowledge, blending entertainment with learning at one of the top front end conferences.

7. VSLive! Orlando:

Dates: November 16 – 21, 2025
Location: Orlando, USA

VSLive! (Visual Studio Live!) is one of the most recognized developer conferences in the Microsoft ecosystem, making it a must-attend for developers specializing in .NET, Azure, Visual Studio, and other Microsoft platforms.

Held in multiple cities across the U.S., as well as in hybrid formats, VSLive! offers both in-person engagement and virtual accessibility, appealing to a global audience of tech professionals.

As one of the best developer conferences for those working with Microsoft tools, VSLive! covers a broad range of topics including cloud computing, web development, DevOps, AI, machine learning, and modern frameworks like Angular and React. Attendees benefit from hands-on workshops, expert-led sessions, and real-world coding practices that support practical skill development.

The conference is particularly valued for its technical depth, offering tracks from beginner to expert levels. Sessions are led by seasoned developers, industry leaders, and Microsoft MVPs, making VSLive! a top-tier coding conference and one of the most trusted app developer conferences for those focused on enterprise solutions and Microsoft-powered development.

8. QCon San Francisco 2025

Dates: November 17-19
Location: San Francisco, USA

QCon is a global series of high-caliber developer conferences renowned for targeting senior software engineers, architects, and technical leaders. With events held in major cities like London, San Francisco, and New York, QCon consistently draws over 1,000 attendees per event.

Unlike many broad tech gatherings, QCon zeroes in on practitioner-first content—meaning real-world case studies, production-grade architectures, and lessons from engineers at early adopter companies.

QCon is often regarded as one of the best developer conferences for professionals seeking depth in software architecture, DevOps, machine learning, and cloud computing. Its focus on emerging trends and future-facing technologies makes it an ideal space for staying ahead of the curve. Attendees benefit from a mix of keynotes, hands-on workshops, and technical sessions led by top-tier engineers from organizations like Netflix, Uber, and Google.

Whether you’re looking for web development conferences, app developer conferences, or simply a venue to explore software innovation, QCon provides a dynamic learning and networking environment tailored to serious developers and technical leaders committed to professional excellence.

9. React Miami

Dates: April 17 – 18, 2025
Location: Florida, USA

React Miami is one of the standout web developer conferences focused on the ever-evolving React ecosystem. Held annually in sunny Miami, it draws over 500 developers, engineers, and tech enthusiasts from 20+ countries, making it both an intimate and international event.

As one of the best developer conferences for React professionals, it offers a rich mix of talks, live coding sessions, and interactive workshops led by industry experts and framework contributors.

The event covers everything from core React principles and component architecture to cutting-edge topics like server-side rendering (SSR), React Server Components, performance tuning, and automated testing. Whether you’re a frontend developer or an architect, React Miami is an excellent venue to explore practical insights and learn real-world techniques.

Besides its technical rigor, the conference boasts a laid-back, community-first atmosphere that makes networking easy and enjoyable. If you’re looking for front end conferences, coding conferences, or app developer conferences centered around React, this event offers the perfect blend of learning, community, and coastal vibes.

10. PyCon Europe (EuroPython)

Dates: July 14-20, 2025
Location: Prague, Czech Republic

PyCon stands as one of the best developer conferences globally for anyone in the Python ecosystem—from beginners to seasoned pros. Organized by the Python Software Foundation (PSF), PyCon attracts thousands of Python developers, data scientists, educators, and open-source enthusiasts from around the world.

While PyCon US is the flagship event, regional conferences like PyCon Europe and PyCon Asia-Pacific ensure global reach and inclusivity.

As a comprehensive coding conference, PyCon covers diverse topics such as Python frameworks, machine learning, web development, cybersecurity, automation, and data visualization. The conference includes keynote talks, hands-on tutorials, lightning talks, and extended post-event sprints that encourage open-source collaboration.

For Python users interested in real-world applications, PyCon is also a prime app developer conference, showcasing how Python powers startups, enterprises, and scientific research.

Whether you’re into AI/ML, DevOps, or front end development, PyCon offers unmatched learning and networking opportunities, making it a must-attend web developer conference for the Python community.

11. Google I/O 2025

Dates: May 12-14, 2025
Location: Mountain View, USA

Google I/O is a globally recognized developer conference hosted by Google, and it has been a cornerstone event in the tech calendar since 2008.

Each year, it gathers developers, engineers, and tech enthusiasts from around the world—both virtually and in person—to explore the latest innovations across Google’s vast ecosystem.

Whether you’re building Android apps, working on the web, or exploring the frontiers of machine learning and AI, Google I/O offers valuable insights and tools.

The conference typically features major keynote announcements—ranging from updates to Android and Chrome to new capabilities in Google Cloud, Flutter, and emerging AI models like Gemini. Attendees benefit from in-depth coding conference sessions, hands-on labs, workshops, and one-on-one learning with Google engineers. As an app developer conference, it’s especially beneficial for those working in mobile and cross-platform environments.

If you’re looking for a forward-thinking web developer conference or interested in Google’s roadmap for the future of tech, Google I/O is a must-attend event.

12. International JavaScript Conference

Dates: May 12-15, 2025
Location: London, UK

The International JavaScript Conference is a premier global event that brings together over 4,000 JavaScript professionals each year. It serves as a vital hub for frontend and backend engineers, designers, and tech leaders seeking to stay ahead of the curve in the ever-evolving world of JavaScript development.

Attendees can expect expert-led keynotes, deep-dive technical sessions, and hands-on workshops covering a wide range of topics—from cutting-edge frameworks like React, Angular, and Vue.js to Node.js, full-stack JavaScript, web performance, and modern development best practices.

The conference also focuses on current and future trends in JavaScript development, ensuring participants gain insights that are both actionable and forward-looking.

As one of the most influential JavaScript developer conferences, it fosters collaboration, innovation, and professional growth. Developers from startups to large enterprises come together to network, learn from each other, and explore new tools and techniques. Whether you’re building for the web, mobile, or server-side, the International JavaScript Conference is a key event for staying connected to the pulse of the JavaScript ecosystem.

13. Microsoft Build 2025

Dates: TBA (usually held last days of May)
Location: Seattle, USA

Microsoft Build is a premier annual conference tailored for software developers, engineers, and IT professionals working within the Microsoft ecosystem. Focused on innovation, productivity, and cloud development, the event showcases the latest updates and advancements in Microsoft technologies such as Azure, Visual Studio, .NET, and Microsoft 365.

A key highlight of Microsoft Build is its emphasis on AI and developer tools. Recent editions have introduced breakthroughs like the Azure OpenAI Service, Microsoft Copilot, and powerful AI integrations across Microsoft products.

Attendees can engage in hands-on coding sessions, gain early access to new frameworks and APIs, and explore best practices for building cloud-native applications, integrating DevOps, and deploying scalable web solutions.

Originally a sold-out, in-person event, Microsoft Build adapted during the pandemic to offer a fully virtual experience, making its world-class content accessible to a global audience. In 2023, it evolved into a hybrid format, combining free virtual access with paid, in-person sessions and workshops, continuing to offer value for developers across all levels.

Microsoft Build remains a must-attend for those looking to stay ahead with Microsoft’s cutting-edge tools, AI platforms, and development strategies.

14. RenderATL

Date: June 11 – 13, 2025
Location: Georgia, USA

RenderATL is an emerging standout among front end conferences and web developer conferences, dedicated primarily to web and software development with a strong emphasis on front-end technologies.

Since its inception in 2019, this annual event has rapidly grown in popularity, attracting over 4,500 attendees in 2024—a staggering 1,200% increase from previous years.

Initially centered around React, RenderATL has expanded its scope to cover a broad spectrum of topics including JavaScript, Vue.js, web performance, CSS, and UX/UI design. It offers sessions and hands-on workshops led by industry experts, catering to developers at all skill levels.

Known for its welcoming, community-focused atmosphere, RenderATL fosters collaboration, networking, and knowledge sharing among developers, engineers, and designers worldwide. Its fast growth and quality content make it a must-attend event for anyone passionate about the future of web development and front-end innovation.

RenderATL stands out as one of the best coding conferences for staying current with modern web technologies.

15. React Summit US

Dates: November 19-22, 2025
Location: NY, USA

React Summit is one of the largest and most influential front end conferences dedicated to React developers worldwide. Attracting over 10,000 frontend and full-stack engineers, this premier annual event offers a comprehensive look at the latest advancements in React development.

Initially an in-person gathering held in Amsterdam, React Summit has evolved into a hybrid conference, allowing both remote and onsite participation, broadening its reach globally.

Featuring more than 60 expert speakers, the conference covers a wide range of topics, including React frameworks, tooling, best practices, and emerging trends. Attendees benefit from engaging sessions, hands-on workshops, and vibrant networking opportunities with peers, industry leaders, and speakers.

The event also hosts the prestigious React Open Source Awards, recognizing significant contributions to the React ecosystem.

Expanding its footprint, React Summit is set to launch a new edition in the United States, making it an essential event for anyone involved in React development. With its mix of learning, networking, and social events—including city tours and parties—React Summit is a must-attend for web developer conferences and coding conferences focused on React technology.

FAQs

What makes a developer conference one of the “best”?
The best developer conferences offer high-quality content led by industry experts, cover a wide range of relevant and emerging technologies, provide hands-on workshops, and create strong networking opportunities for attendees. Accessibility, diversity of sessions, and post-event resources also matter.

How do I choose the right developer conference for my skills and interests?
Consider your technology stack, career goals, and preferred learning style. Look for conferences focused on your primary programming languages or frameworks, whether it’s web development, AI, mobile apps, or cloud computing. Check the agenda, speaker lineup, and format (in-person, virtual, hybrid) before registering.

Are developer conferences worth the time and investment?
Yes, attending developer conferences can accelerate learning, expose you to industry trends, connect you with peers and mentors, and often provide access to job opportunities. Many conferences also offer virtual options to reduce costs while maintaining valuable content and networking.

Conclusion

Attending the best developer conferences is invaluable for staying current, expanding skills, and building professional networks.

These events foster innovation, provide hands-on learning, and connect you with industry leaders. Whether virtual or in-person, they offer essential opportunities for growth in today’s fast-evolving tech landscape.

20 Best Developer Conferences to Join in 2025