Spring I/O 2026 – The Spring Developer Conference, Barcelona, Spain
Overview
Spring I/O 2026 is the leading European conference dedicated to the Spring Framework ecosystem, returning to the vibrant city of Barcelona for its 13th edition. This premier event brings together more than 1,300 Spring professionals, core committers, and open-source enthusiasts from over 50 countries. It serves as the ultimate meeting point for the Java community to discuss the latest advancements in backend architecture, cloud-native development, and the evolving world of enterprise software.
The 2026 agenda is meticulously curated to provide deep technical learning across a wide spectrum of topics, including Spring Boot 4, Spring Framework 7, and the integration of Artificial Intelligence through Spring AI. Over three intensive days, the conference offers a mix of high-level keynotes, over 60 technical sessions, and hands-on workshops. Attendees have the unique opportunity to interact directly with the architects behind the tools they use daily, gaining insights into the roadmaps of major projects like Spring Data, Spring Security, and GraalVM.
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Buy on AmazonSet against the beautiful Mediterranean backdrop of Barcelona, the event is hosted at a world-class venue designed for high-density networking and technical immersion. Beyond the sessions, the conference emphasizes community collaboration through dedicated networking lounges, partner showcases, and informal after-hours meetups. Whether you are a senior architect or a passionate developer, Spring I/O 2026 provides the perfect environment to share knowledge, discover best practices, and influence the future of the Spring ecosystem.
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Event Highlights
- Expert-Led Technical Sessions: Engage with over 60 deep-dive talks delivered by the original creators and world-renowned experts of the Spring Framework ecosystem.
- Full-Day Intensive Workshops: Participate in hands-on, small-group labs focused on practical applications of Spring AI, observability, and advanced testing strategies.
- Spring AI and LLM Integration: Explore the latest breakthroughs in building production-ready AI agents and integrating large language models into enterprise Java applications.
- Roadmap and Future Trends: Gain exclusive early access to the strategic directions of Spring Framework 7 and upcoming performance optimizations in the Java and JVM landscape.
Why Attend
Spring I/O 2026 is the essential destination for backend developers and system architects who want to stay at the absolute forefront of the Java world. It is the only event in Europe where the concentration of Spring core committers is this high, providing an unparalleled opportunity to get your most complex technical questions answered. For teams, it serves as a powerful professional development tool, ensuring that your organization is adopting the most efficient, secure, and modern practices available in the ecosystem.
The benefit of attending lies in the balance between visionary theory and “production-ready” practice. You will not only learn about future trends like Project Leyden and AOT optimizations but also walk away with concrete skills to improve your current application’s startup time, security, and developer productivity. The networking aspect is equally vital; the human connections made in the “hallway track” often lead to collaborative open-source contributions, career advancements, and long-term strategic partnerships across the global tech community.
Date & Duration
- Event Date: April 13 – 15, 2026
- Event Duration: 3 Days
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Ticket Information
- How Tickets Are Sold: Tickets are sold exclusively through the official Spring I/O registration portal with a tiered release system.
- Admission Type: Registration options include full 3-day Conference + Workshop passes, 2-day Conference-only tickets, and individual Workshop tickets.
- Ticket Pricing: Pricing ranges from $445 for early-bird tickets to $730 for late-registration standard conference passes.
- Special Seating Options: Workshop sessions have strictly limited capacity and require pre-selection during the registration process to guarantee a seat.
- VIP Options: Corporate and Sponsor passes include access to private networking lounges, speaker receptions, and dedicated booth spaces for recruitment and showcases.
Venue / Location
- City and Country: Barcelona, Spain
- Venue Name: Palau de Congressos de Catalunya
- Google Maps Address: Av. Diagonal, 661, Les Corts, 08028 Barcelona, Spain
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Contact Information
- Email: info@springio.net
- Phone Number: +34 932 332 000
- Official Website: https://2026.springio.net/
Getting There
- Nearest Airport: Barcelona-El Prat Airport is approximately 11 kilometers from the venue and can be reached in 15 minutes by taxi or 30 minutes via Aerobús.
- Nearest Train/Metro Station: Zona Universitària Station (Metro Lines L3 and L9 South) is located directly beside the venue for easy city-wide access.
- Bus Routes or Public Transport Options: The venue is served by multiple bus lines including 7, 33, 67, and H6, as well as the Trambaix tram system.
- Parking Availability: Secure underground parking is available directly at the Catalunya Congress Centre and the adjacent Torre Melina hotel.
- Directions by Car: Accessible via the B-20 (Ronda de Dalt) or the C-31 highway, following signs for the city center and the Avenida Diagonal district.
What is this event?
Spring I/O is the premier international conference focused on the Spring Framework and the broader Java ecosystem. It gathers the world’s leading developers and architects to share technical expertise through high-level talks and hands-on workshops.
The event serves as a central hub for the Spring community to explore new technologies, discuss industry best practices, and collaborate on the future of enterprise software. It is an annual celebration of open-source innovation and professional technical excellence.
Why is it popular?
The event is popular because it offers direct access to the Spring core team and the industry’s most influential voices in an intimate and collaborative setting. It is famous for its high technical bar, ensuring that sessions are informative, practical, and free of marketing fluff.
Its popularity also stems from its location in Barcelona, providing a stunning and vibrant environment for networking and social events. The conference’s reputation for fostering a welcoming and diverse community makes it a favorite for developers from all over the world.
Attendee Experiences
- Being able to talk directly with the project leads about my specific architectural challenges was an absolute game-changer.
- The workshop on Spring AI was the most practical and well-delivered technical training I have attended in years.
- The energy in the main hall during the keynotes is incredible and it really makes you feel part of a global movement.
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FAQ's
What is the difference between the first day and the following two days?
The first day of the conference, April 13, is dedicated exclusively to full-day intensive workshops which require separate registration and have very limited capacity for hands-on learning. The following two days, April 14 and 15, constitute the main conference program featuring the keynote speeches, breakout technical sessions, and the massive networking expo floor.
Will the sessions be recorded for those who cannot attend in person?
Yes, all of the standard technical sessions and keynote speeches are professionally recorded and will be uploaded to the official Spring I/O YouTube channel a few weeks after the event concludes. However, the hands-on workshops and some interactive roundtable discussions are not recorded to protect the privacy of the participants and encourage open dialogue.
Is there a call for papers if I want to apply as a speaker?
The Call for Papers typically opens in the late fall of the previous year and stays open until early January 2026, allowing developers from all backgrounds to submit their proposals. The program committee looks for technical depth and real-world case studies, and selected speakers usually receive a free conference pass and assistance with their travel and accommodation.
Are there any recommended hotels located near the congress center?
The Torre Melina Gran Meliá is the recommended urban resort located directly beside the Palau de Congressos de Catalunya, offering the most convenient access for attendees. Other popular options include the AC Hotel Victoria Suites and various business hotels along Avenida Diagonal, which are all within walking distance or a short tram ride from the venue.
Does the registration fee include meals and refreshments?
Yes, your conference ticket includes a high-quality catering service for the duration of the event, including morning coffee breaks, a full buffet lunch, and afternoon refreshments. The organizers also host a welcome reception with food and drinks on the first evening of the main conference, providing an excellent opportunity to network with fellow attendees in a relaxed setting.
