Spring I/O @spring_io
A two-day conference full of Spring and Cloud awesomeness in Barcelona. +1200 attendees. Next edition: 13-15 April 2026 Organized by @sergialmar springio.net Barcelona, Spain Joined November 2010-
Tweets3K
-
Followers27K
-
Following143
-
Likes1K
📢 Spring AI 1.1.0-M2 released! Highlights: • Enhanced MCP support (Java SDK v0.13.1) • Google GenAI integration enhancements • ZhipuAI integration improvements • Mistral OCR API integration • Anthropic cache management • API consistency, improvements & bug fixes
🍃 Panta rhei: runtime configuration updates with Spring Boot by @jkuipers @ Spring I/O 2025 ▶️ Video: youtu.be/5EQzjkvLQP8 🔗 Slides: 2025.springio.net/slides/panta-r… #springio25
🍃 Modern Authentication Demystified: A Deep Dive into Spring Security’s Latest Innovations by @andifalk @ Spring I/O 2025 ▶️ Video: youtu.be/MO0eAEjQxHQ 🔗 Slides: 2025.springio.net/slides/modern-… #springio25
🍃 A cloud cost saving journey: Strategies to balance CPU for containerized JAVA workloads in K8s by @LaurrMarinescu / Ajith Ganesan @ Spring I/O 2025 ▶️ Video: youtu.be/zyvB96DEhsc 🔗 Slides: 2025.springio.net/slides/a-cloud…
🍃 Taming Testing of AI apps by @alexsotob @ Spring I/O 2025 ▶️ Video: youtu.be/7BWsvHDC-d8 🔗 Slides: docs.google.com/presentation/d… #springio25
🍃 What's (new) with Spring Boot and Containers? by @maeddes / Eva Panadero @ Spring I/O 2025 ▶️ Video: youtu.be/nesRmaUi4Ts 🔗 Slides: speakerdeck.com/maeddes/whats-… 🛠️ Repo: github.com/maeddes/spring… #springio25
🍃 From Beans to Boot, Aspects to AI by @springrod / @springjuergen / @starbuxman @ Spring I/O 2025 ▶️ Video: youtu.be/i_fiHmg1qM0 #springio25
Still on Java 17 and planning to upgrade? ☕️ Skip 21 and go straight to 25. Java 25 provides memory efficiency gains and garbage collection improvements with zero code changes. Align it with your Spring Framework 7/Spring Boot 4 upgrade. Strong recommendation by @springjuergen
Big week 👇 ☕️ Java 25 (Tue 16) 🍃 Spring Boot 4.0.0-M3 (Thu 18, last milestone!) The next gen of Spring Boot is here 🚀 When do you plan to start testing it?
🍃 Secure Java Applications against Quantum Threats by @ammbra1508 @ Spring I/O 2025 ▶️ Video: youtu.be/qBC6bg0dqfs #springio25
🍃 Better Assertions with AssertJ by @TimteBeek @ Spring I/O 2025 ▶️ Video: youtu.be/k7sXn1v4fYc 🔗 Slides: 2025.springio.net/slides/better-… 🛠️ Repo: github.com/timtebeek/bett… #springio25
🚀 Spring AI 1.1.0-M1 is here! Featuring: • Comprehensive MCP integration including the support for Streamable HTTP client & server transports • New MCP annotations framework • Google GenAI SDK integration • Anthropic Claude prompt caching and more 🔗 spring.io/blog/2025/09/0…
🍃 Four Approaches to Reducing Java Startup Time: AppCDS, Native Image, Project Leyden, CRaC by @asm0di0 & @cat_edelveis @ Spring I/O 2025 ▶️ Video: youtu.be/UVFJ0VXWBZo 🔗 Slides: code-with-bellsoft.github.io/java-startup-t… 🛠️ Repo: github.com/code-with-bell… #springio25
🍃 Top 10 Rest API Design Pitfalls by @VictorRentea @ Spring I/O 2025 ▶️ Video: youtu.be/u_5JppAExDs #springio25
🚀 Exciting news for #SpringBoot devs! The Spring team will share weekly updates on Spring Boot 4.0 features all the way to GA this November. Follow along with The Road to GA blog by @michaelminella 👉 spring.io/blog/2025/09/0…
🍃 You don't need Elasticsearch! Fuzzy Search with PostgreSQL and Spring Data by Thomas Gräfenstein @ Spring I/O 2025 ▶️ Video: youtu.be/2kARdnzB5Gg 🔗 Slides: github.com/g-stone7/fuzzy… 🛠️ Repo: github.com/g-stone7/fuzzy… #springio25
🍃 Dependency Injection Revisited by @springjuergen @ Spring I/O 2025 ▶️ Video: youtu.be/AvZEoxH_wGo #springio25
🍃 From Single-Shot LLMs to Intelligent Agents: Building Scalable AI Systems with Spring AI and MCP by @christzolov @ Spring I/O 2025 ▶️ Video: youtu.be/l38CPjOYsHk 🔗 Slides: 2025.springio.net/slides/from-si… 🛠️Repo: github.com/spring-project… #springio25
🚀 Your Spring app could start up way faster. With AOT Cache (introduced in Java 24) + Spring AOT, startup times drop like magic. Curious how much you can gain? 👇
🍃 The simplest way to build resilient applications by Giselle van Dongen @ Spring I/O 2025 ▶️ Video: youtu.be/lYcEa8APBTQ 🔗 Slides: 2025.springio.net/slides/the-sim… 🛠️ Repo: github.com/gvdongen/resta… #springio25 @restatedev

Vlad Mihalcea @vlad_mihalcea
89K Followers 137 Following @Java Champion, author of High-Performance Java Persistence and @Hypersistence Optimizer. Blogging at https://t.co/GWdHta4mMO
Maciej Walkowiak 🍃 @maciejwalkowiak
41K Followers 958 Following Freelance Java Consultant - Java, Spring Boot, AWS 👉 https://t.co/5hDONs8nrh 📺 https://t.co/xtk152k8qm
javinpaul @javinpaul
104K Followers 7K Following Blogger - https://t.co/Cxgp9zzN3y Creator - https://t.co/GYls4Lx9DW newsletter - https://t.co/P8jiQ5GW16 youtube - https://t.co/vs4WjwaEQ6
Java Guides @GuidesJava
89K Followers 447 Following Blog about #java #restapi #springboot #microservices #fullstackwebdevelopment YouTube: https://t.co/4HGAJGcW7T Website: https://t.co/6cg0xznQMB
Josh Long @starbuxman
83K Followers 4K Following Spring Developer Advocate (@Java_Champions & @Kotlin @GoogleDevExpert) @VMwareTanzu 🍃🐲 📽️ https://t.co/A2wBUe0b0A
Dan Vega @therealdanvega
23K Followers 6K Following 🍃 Spring Developer Advocate @Broadcom ☕️ Java Champion 📹 YouTuber https://t.co/1qzY9JT3ct 🎙️ Podcast https://t.co/z0vkODhi20 🤖 ByteSized AI https://t.co/cRZyDygvrI
Siva @sivalabs
13K Followers 378 Following 💻 Pragmatic Software Developer | ☕ Developer Advocate @JetBrains | https://t.co/BDIwltQgQ3 | https://t.co/aQz0JrvXbH
Baeldung @baeldung
76K Followers 846 Following Passionate about everything Java. Teaching Spring on https://t.co/vh3oOY6ka6. Java Champion.
Andy Wilkinson @ankinson
7K Followers 268 Following Rarely checked. You can find me on Mastadon instead. I work on @SpringBoot and @SpringRestDocs at @VMware. iOS developer at @DeftMethods.
Viktar Patotski @xpvit
4K Followers 1K Following Oracle Certified Java Developer. Tweets: Java, Linux, K8s, Cloud development and deployment, random topics. Stop global warming - write efficient code!
Simon Martinelli @simas_ch
9K Followers 2K Following Java Champion, Vaadin Champion, Oracle ACE Pro, International Speaker, Programming Architect, and Lecturer.
Laur Spilca @laurspil... @laurspilca
6K Followers 391 Following A #java guy /Pacifist 🕊 / A supporter of educational causes ▶️ https://t.co/KoBiXCrg8b ☕👉 https://t.co/geSl4ypOCR
SpringCentral @springcentral
100K Followers 671 Following Spring helps development teams everywhere build simple, portable, fast and flexible JVM-based systems and applications.
Principe do Oceano @rponte
14K Followers 2K Following Príncipe do Oceano, Marajá dos Legados e agora um dev cansado também no BlueSky com @rafaelponte.bsky.social . Me segue ✌🏻https://t.co/TDmRghB8iv
Trisha Gee @trisha_gee
36K Followers 2K Following Engineer, author, keynote speaker, developer champion, catalyst. Developer Advocate @ Gradle for Developer Productivity Engineering. She/her.
Tom Hombergs @TomHombergs
5K Followers 470 Following Simplicity nerd. Engineer @Atlassian. Occasional writer. Book: https://t.co/TWbIsTaLub. Newsletter: https://t.co/c4nrYan90A.
Victor Rentea @VictorRentea
9K Followers 20 Following Trainer and Consultant 🌐https://t.co/rSuIHVDLLk 👨🏫Training: https://t.co/eqV4UX517Q 📺https://t.co/Fx0YU9jugl 🤝https://t.co/ykPommpmUB
Mark⚡️Heckler �... @mkheck
18K Followers 3K Following Senior Director of Field Engineering @Moderne, comp scientist+MBA, pilot, inglés+español. @Java_Champions, ⭐️presenter, author @springbootbook. Ex @Microsoft
Wim Deblauwe @wimdeblauwe
2K Followers 712 Following Software Engineer. Writes mostly Java. Author of "Taming Thymeleaf". Blogs at https://t.co/71SqVTdybX. YouTube: https://t.co/VDk0TAdgLN
Sergi Almar 🍃 @sergialmar
5K Followers 658 Following Independent Software Engineer. Spring Trainer @VMwareTanzu, @apachekafka Trainer @confluentinc, @spring_io / @wasm_io organizer. Tennis Lover, Marathoner
Ndiyakholwa Mnqanqeni @Ndiyakholwa30
1 Followers 94 Following
Devashish kumar @KumarDevas36384
0 Followers 12 Following
chkm8dev @chkm8dev
0 Followers 401 Following
Bibek Jha @zhabibek4u
27 Followers 100 Following MERN STACK DEVELOPER | Freelancer | At Power Saving Mode
Jan Olsson @_i_m_lagom_
1 Followers 119 Following
Ahmed Shaiea @AhmedSh1518
0 Followers 95 Following
ali sayge @ASayge84806
1 Followers 44 Following
MaximWgnr @MaximeWgnr
1 Followers 26 Following
Eva @Eddie122299
93 Followers 2K Following
maindevenergy @maindevenergy
52 Followers 301 Following Software Engineer | Building JAIPilot : One-click Java AI Agent Unit Test Generator | All things AI, Software Engineering, & Java ⚡ DM = open
Avinash Singh @AvinashSin69491
1 Followers 133 Following
Juan Camilo Pérez @juankprz1
137 Followers 500 Following Dios es el fundamento de mi actuar. La web mi gran pasión!!! PHP Developer, Javascript Developer Python Student,.NET Student
pankaj sharma @pankaj_046
0 Followers 30 Following
Taj M Daudpota...🇵... @TajMDaudpota
65 Followers 918 Following Data Analyst, Technolagist by profession, & Researcher
angelra18 @angelra18145047
4 Followers 121 Following
Vinicius @vinicaoneves
64 Followers 456 Following
vaishnavi madalapure @vaishnavi_m03
0 Followers 6 Following
Sathiya @masalldosa
0 Followers 27 Following
Saravanan K @SaranKandaswamy
1 Followers 76 Following
서현주 @wowowowow12377
1 Followers 7 Following
suneela krishna @KrishnaSun2739
0 Followers 6 Following
Nieves Jimenez @nievesInCode
2 Followers 94 Following "Un día sin programar es como un día sin postres" - ¡Amante de ambas cosas! También disfruto de leer y explorar nuevos lugares, team clima frío. ❄️💻📚🌍🧁
tim @timgrk2016
7 Followers 231 Following
Ahmed Al-Nabhani @AhmedNabhani
1K Followers 4K Following Technology Transformational Strategist 👨🏻💻☁️🧠
Ganesh Durgam @ganeshdurgam143
49 Followers 191 Following
William Callahan @WilliamCallahan
951 Followers 4K Following Building @aVentureVC (Techstars ‘23, a VC/startup research platform - https://t.co/B2EnOfV0UY). CFA. Angel & VC investor.
Bruno Martins @brunMP666
55 Followers 578 Following
Le Thanh Cong interli... @LeThanhCong80
2 Followers 22 Following official interlink labs intern ambassador - building human network - interlink ID 15122012
John Dalton @JD77581
16 Followers 152 Following
Azdren @iamazdren
109 Followers 539 Following A Software Developer on a perpetual journey of learning and growth.
Hamza Azam khan @ibn_e_azam
103 Followers 1K Following "Self-taught Flutter & Node.js developer | Freelancer with a passion for learning | Exploring Java and more tech 🚀"
gdaddy.fun @GdaddyF
0 Followers 134 Following
Falgun Rangani 🇮�... @falgun_rangani
69 Followers 2K Following
Franciszek Miąskiewi... @aktrawaz1864
21 Followers 75 Following
Shubham Lekule @lekule_shubham
0 Followers 43 Following
Sajjad Asaad @Sajjad__Asaad
0 Followers 14 Following
Ashutosh Singh Goud @Ashu_Goud_8246
4 Followers 20 Following Aspiring Backend Dev | https://t.co/AYIYKH7td1 CSE 2025 | Java, C/C++, Python, Kotlin | Hibernate, MySQL | Open to SDE 🚀 | https://t.co/z49orK3Myd
raja eko wibowo @eko250395
52 Followers 5K Following #indonesia #general #COPILOT Link : _https://t.co/4psy7IfsXC _https://t.co/OUwSjV2Gyk _https://t.co/Shrv0DOAuy
Indana Narsarao @madhu_indana
14 Followers 270 Following
Maciej Walkowiak 🍃 @maciejwalkowiak
41K Followers 958 Following Freelance Java Consultant - Java, Spring Boot, AWS 👉 https://t.co/5hDONs8nrh 📺 https://t.co/xtk152k8qm
Josh Long @starbuxman
83K Followers 4K Following Spring Developer Advocate (@Java_Champions & @Kotlin @GoogleDevExpert) @VMwareTanzu 🍃🐲 📽️ https://t.co/A2wBUe0b0A
Venkat Subramaniam @venkat_s
67K Followers 420 Following Programmer, author, speaker, founder Agile Developer, Inc., co-founder of @dev2next Conference, professor @CSatUH
Baeldung @baeldung
76K Followers 846 Following Passionate about everything Java. Teaching Spring on https://t.co/vh3oOY6ka6. Java Champion.
Markus Eisele @myfear
29K Followers 2K Following Something at @IBMResearch. Legal thinks you need to know that I'm speaking for myself here. I believe you knew.
Andy Wilkinson @ankinson
7K Followers 268 Following Rarely checked. You can find me on Mastadon instead. I work on @SpringBoot and @SpringRestDocs at @VMware. iOS developer at @DeftMethods.
SpringCentral @springcentral
100K Followers 671 Following Spring helps development teams everywhere build simple, portable, fast and flexible JVM-based systems and applications.
Sébastien Deleuze @sdeleuze
7K Followers 0 Following
Trisha Gee @trisha_gee
36K Followers 2K Following Engineer, author, keynote speaker, developer champion, catalyst. Developer Advocate @ Gradle for Developer Productivity Engineering. She/her.
JetBrains @jetbrains
205K Followers 53 Following The World's Leading Provider of Professional Development Tools. Makers of IntelliJ IDEA, ReSharper, PyCharm, TeamCity, Kotlin, and more.
Sergi Almar 🍃 @sergialmar
5K Followers 658 Following Independent Software Engineer. Spring Trainer @VMwareTanzu, @apachekafka Trainer @confluentinc, @spring_io / @wasm_io organizer. Tennis Lover, Marathoner
Andres Almiray @aalmiray
11K Followers 373 Following I code for fun and help others in the process. Java Champion Alumni. Co-founder of Hackergarten & Hack.Commit.Push. Creator of @jreleaser 🚀
Chris Richardson @crichardson
16K Followers 1K Following Learn-Build-Assess: https://t.co/rXmFfuwqJe, transactional microservices. https://t.co/MyA2SnQxqI patterns. Author of Microservices Patterns. Frameworks. Consulting
Tech Documentaries @TECHDOCU
2K Followers 138 Following A global production house specialised in cinematic stories of tech innovation. Subscribe on YouTube: https://t.co/ijKD1WRbDf
YugabyteDB @Yugabyte
9K Followers 900 Following The high-performance #DistributedSQL database for building cloud-native applications at scale. 🚀 100% open source and PostgreSQL code compatible | https://t.co/jn1Wc0bJeX
Martin Kleppmann @martinkl
49K Followers 948 Following Find me at @martin.kleppmann.com on Bluesky, @[email protected] on Mastodon. Author of @intensivedata, Associate Professor @Cambridge_CL. he/him
codebar Barcelona @codebarBCN
345 Followers 23 Following Free programming workshops for adults to help promote diversity in tech. Part of the @codebar family. Register at: https://t.co/bqDEuShgD9
WWCode Barcelona 🏳... @WWCodeBarcelona
2K Followers 383 Following ⚡️Empowering diverse women to excel in technology careers👩💻 | 🌍 320k members 147 countries |📍 Barcelona chapter @womenwhocode | 🗣 501(c)(3) non-profit
Katie Levy @klevy110
2K Followers 919 Following Software Engineer @amazon. #Tech fanatic. #Speaker #Kotlin #Java #FP #Spring #Android
Women Techmakers @WomenTechmakers
131K Followers 673 Following @Google's global program dedicated to helping women thrive in tech through visibility, community, & resources.
Diversify Tech @DiversifyTechCo
22K Followers 192 Following We connect underrepresented folks in tech with career opportunities. Join: https://t.co/pWqotscp6j Post a job: https://t.co/CJxPSBRLnB
#cfpwomen @CfpWomen
360 Followers 674 Following Share some love! Help us get more women talking at events recommending one using #cfpwomen | Find a conference https://t.co/lO80reQTor 💁♀️💚
Billy Korando 🍃☕... @BillyKorando
8K Followers 1K Following #Java Developer Advocate @Oracle ☕️🥑. @KCJUG co-organizer. Formerly; @IBM, @KeyholeSoftware, @niprcom. Opinions are my own. Trolled by @briseida_ko 💍
Hdiv Security @hdivsecurity
623 Followers 418 Following Acquired by Datadog in Jun 2022. Unified Application Security platform. IAST-SCA-RASP. Detect & Protect your applications #Appsec #DevSecOps
CallbackWomen @CallbackWomen
7K Followers 2K Following Code women who are tech speakers. Programming conferences, shout out with Call for Proposals when you're looking for code women to callback to it.
Burr Sutter @burrsutter
8K Followers 1K Following CodeCaster, Java Champion, #Kubernetes Trainer, Live-Demo Trapeze Artist, true believer in open source & community
Spring Framework @springframework
95K Followers 36 Following
Juven @juvenxu
566 Followers 406 Following
sındnp uɐıʇsıɹ�... @cdupuis
1K Followers 282 Following sr principal engineer @Docker, previously: co-founder @atomist (acquired by Docker), @pivotal, @vmware and @springcentral (acquired by VMware)
Spring Cloud @springcloud
51K Followers 76 Following
Scott Frederick @scottyfred
1K Followers 490 Following Software architect and developer working on Never-Ending Support for Spring at HeroDevs.
James Ward @JamesWard
18K Followers 3K Following My book: https://t.co/QGevhw6nyE | My podcast: @HappyPathProg | Working on Agentic Architectures at @AWSCloud | My opinions are mine
Christoph Engelbert /... @noctarius2k
5K Followers 3K Following #Devrel @simplyblock_io, #Opensource, @Java_Champions, Ex Timescale, Instana, Ubisoft, Hazelcast - Views are my own Linktree: https://t.co/L0qZ9KuYRC
Jakub Kubrynski @jkubrynski
3K Followers 189 Following DevSkiller CEO & Founder / IT Skills Management Strategist / IT Strategy Consultant
Christian Schneider @chrschneider
111 Followers 175 Following
🇺🇦walery strauc... @walery
248 Followers 1K Following Born in Lviv, Ukraine 🇺🇦 Computer, Programming
Michael Duergner @duergner
306 Followers 142 Following Tech geek, serial entrepreneur, doing some amateur photography - Founder of @theamazeapp (sold to @zalando), Ex-Zalando @ZalandoTech
Rafal Borowiec @kolorobot
665 Followers 475 Following Software developer, Engineering Manager, Agile practitioner, occasional blogger, lecturer. Open Source enthusiast, quality oriented and open-minded.
Petar Tahchiev @ptahchiev
542 Followers 300 Following Founder of @nemesissoftware. Mathematician from Bulgaria, author @ManningBooks, ex #maven developer and Jakarta PMC member @TheASF
Oliver J. White - #St... @eOliverWhite
2K Followers 639 Following Tech Communities, writing, videos, podcasts - I do marketing at @gradle, formerly @Lightbend, #JRebel, @virtualjug. I enjoy books, chess, and quality hiphop.
Tim Spann @PaaSDev
4K Followers 5K Following SR Solutions Engineer @ Snowflake. https://t.co/FMRomHxR8A xPivotal #NiFi xCloudera 🐈⬛https://t.co/pMKuYwi4X3. ❄️
Txema ⚡ @durbon
3K Followers 2K Following Director of Mobile @jobandtalentEng. Formerly @idealista @genbetadev También escribo sobre tecnología https://t.co/4N8UPJ5GOR Del Rayo ⚡Runner
michaelisvy @michaelisvy
449 Followers 146 Following VP of Engineering at Cynpase, Spring fan, co-organiser of SingaDEV (Singapore group for polyglot developers)Karl David Moore @karldmoore
167 Followers 344 Following Hands on architect. Interested in Design, Development, Architecture, Continuous Improvement, Knowledge sharing, Open source. Just trying to make a difference!
Jonas Partner @jonaspartner
328 Followers 562 Following
Lari Hotari 🇫🇮�... @lhotari
2K Followers 4K Following OSS contributor, Distributed Systems Engineer. Principal Engineer at @streamnativeio. Apache Pulsar PMC member. Apache Software Foundation member.
Madhusudhan Konda @mkonda007
290 Followers 147 Following https://t.co/QyRCQCmAGC… Author/Developer/Solution Architect/Mentor/Speaker, working in London.
Ivar Grimstad @ivar_grimstad
6K Followers 948 Following Java Champion | Jakarta EE Developer Advocate | The guy with the Duke tattoo | @JakartaEE @EclipseFdn https://t.co/6ge0KSy9XT
Jacob Aae Mikkelsen @JacobAae
650 Followers 367 Following Groovy enthusiast, IT Manager with hands on approach at Danish Genetics in Vejle/Denmark