About
Software developer since 1990
"solid and extensive technical skills" - Dick Wall…
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14K followers
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James Ward reposted thisJames Ward reposted thisSpring AI 2.0.0-M5 is out. What's new: the existing spring-ai-openai module now uses the official OpenAI Java SDK, Anthropic native web search + thinking display, other enhancements and bug fixes: https://lnkd.in/ercr6jZR
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James Ward reposted thisJames Ward reposted thisHow do #MCP maintainers decide what to build next — and how does Amazon Web Services (AWS) decide what's worth contributing? I sat down with Alex Wilhelm and The New Stack at the #MCPDevSummit to dig into both — plus how contributions like Tasks and Elicitations came out of real customer use cases. Thanks to Alex for the sharp questions! Read more: https://lnkd.in/giNnna-D
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James Ward shared thisNow I can check this one off my bucket list! Here is the session recording: https://lnkd.in/g4hXnTqkJames Ward shared thisI am beyond thrilled that I got to co present with two legends, Dr. Venkat Subramaniam and James Ward, at Voxxed Days Amsterdam, and even more so that they both sat down for a quick discussion with me right before that presentation. Enjoy! https://lnkd.in/d3yHgsV7
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James Ward shared thisPresenting today at GIDS with Varsha Das 🇮🇳 about Spring AI, MCP, and Amazon Bedrock!
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James Ward shared thisIt was an honor to be on The Marco Show! And to be clear, we need many more MCP servers. In the episode I go into detail on why there has been a shift from MCP to Agent Skills for AI code assistants and why MCP is great for enterprise agent integration. Let me know what you think!James Ward shared thisWhat does the AI agent stack actually look like for Java and Kotlin developers in 2026? In this episode, James Ward (Developer Advocate at AWS, Agentic AI Foundation Technical Committee Member) makes a case most developers aren't expecting: the JVM is no longer behind Python for building AI agents, it may actually be ahead. They dig into why typed languages give you a structural advantage when working with AI, how a new approach to agent orchestration is changing the way enterprises build AI systems, and why most MCP servers probably shouldn't exist. 📺 Watch the full conversation: https://lnkd.in/d_nean99
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James Ward shared thisOn my way to Bangalore to present at GIDS about Spring AI & Amazon Bedrock (with Varsha Das 🇮🇳), and MCP. Can’t wait to be with this passionate developer community again!
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James Ward posted thisThe past 3 months have been the most intense and fruitful of my entire career. I've been cooking, coding, vibing, architecting, designing, imagining, and delivering production systems while teaching developers around the world how to build enterprise-grade AI systems. I'm on my way home from the amazing Spring I/O conference and reflecting on the seemingly insane number of things I've delivered / helped with over the past few months. Here are the most interesting: - SkillsJars: Agent Skills for the JVM ecosystem. Gaining rapid ecosystem adoption for enterprise needs. - javadocs.dev: Improvements for Java / Kotlin / Scala library Agent Experience (Valkey caching, more MCP tools, a new Scala ZIO HTTP MCP library to power it) - ai4jvm.com: A curated AI resource list for Java & Kotlin developers (along with a generalized approach to spec driven, AI assisted websites) - Spring AI AgentCore 1.0: The easy way to deliver enterprise-grade AI Agents & MCP servers on AWS - acp2web: Local code assistants available anywhere via ACP - MCP server for my Effect Oriented Programming book - MCP server for the Spring AI book that Josh Long are working on Along the way I presented and led hands-on Spring AI / Bedrock & MCP sessions at Jfokus, DevNexus, JavaOne, Voxxed Amsterdam, AI4J, Spring I/O, and GIDS in Bangalore next week. And I joined the Agentic AI Foundation Technical Committee, helping steer standards for the agentic world. It has been a wild ride and I'm loving how AI has empowered me to move at a pace that a year ago was inconceivable. There is much more to come and I’m grateful for the support and collaboration with so many amazing people, including: My dear friends and Coffee & Software co-conspirators: Josh Long DaShaun C. Spring AI: Christian Tzolov Dariusz Jędrzejczyk Daniel Garnier-Moiroux AWS: Andrei Shakirin Matt Meckes Maximilian Schellhorn Yuriy Bezsonov Anna-Chiara Bellini Arnaud Jean Varsha Das 🇮🇳 Antje Barth Greg Wilson Enterprise AI folks who help expand my perspectives (Embabel, Koog, etc): Rod Johnson Sushila Sahay Mark Fisher Andrey Santrosyan Vadym Kazulkin 🇺🇦 Vadim Briliantov
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James Ward shared thisSuper excited to announce the Spring AI Amazon Bedrock AgentCore 1.0 release! This release makes it super easy to deploy Java / Kotlin Spring AI agents on AWS. You can also use AgentCore Memory, Code Interpreter, and Browser either with your agents on AgentCore Runtime or running wherever you want (EKS for example). Huge thank you to all the amazing work by my colleagues: Yuriy Bezsonov Andrei Shakirin Maximilian Schellhorn Matt Meckes Muhammad Hamza Usmani Details in our blog: https://lnkd.in/g3MH4HsH
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James Ward reposted thisJames Ward reposted thisAI4J Virtual Conference is starting in 6 hours! https://lnkd.in/dMa2Sqrg The speaker lineup is impressive, you'll learn from Java Champions, Developer Advocates and Java & AI experts Simon Ritter (Azul) , Frank Greco , Venkat Subramaniam , Jennifer Reif (Neo4j) , Ken Kousen , Josh Long (Broadcom), Brayan M. , José Rafael Almonte Cabrera, James Ward (AWS) and Nyah Macklin (Neo4j). Expect a mix of practical sessions around LLM integrations, AI agents and how they all fit into modern Java architectures. There’s been a lot of noise around AI lately, but this event is very much focused on what it actually means for Java developers - how to build, integrate and run AI-driven features in real systems. See you there! Azul #JavaAI #JavaCommunity #PayaraCommunity #OpenSource #OpenJDK #AI4J Payara
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James Ward liked thisJames Ward liked thisThe Spring Documentary is live! https://lnkd.in/ec8PkH7t
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James Ward liked thisJames Ward liked thisDevoxx UK you were absolutely incredible! Together with hundreds of attendees we Hacked our Brains! 🧠 ⚡ I do have one more favor to ask though.. 😇 🙏 I know I rushed us out for lunch, but I would love to get your feedback on the talk! This helps me understand what I should keep or improve and it helps me with future submissions to other conferences like these. The link to the form is: https://lnkd.in/exKrzhms . Thank you so much in advance🙏 It was so exciting to see a full room of people who were not only fully engaged but also so pro-active in interacting throughout the talk. I know it can feel a bit uncomfortable, but I definitely felt we were in this together. Thank you for all your positivity and energy! 🔥 Mark Hazell, thank you so much for trusting me with the big stage! And of course for all your warmth and enthusiasm, which always brighten both my personal days and the conference itself! You sprinkle the magic that makes #DevoxxUK one of a kind! 🎊🪄 Kim Fletcher, thank you again for all your amazing care! Without your drive, we'd still be building up the conference instead of breaking it down 😉
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James Ward liked thisJames Ward liked thisOver the past few weeks, I’ve been publishing a growing series of Spring AI Recipes covering agents, MCP, A2A, memory, workflows, tools, and more. There’s now a central place to find all of the recipes in one spot: https://lnkd.in/gE3wwtZv New recipes every Monday, Wednesday, and Friday. #SpringAI #Java #AgenticAI #MCP #LLM
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James Ward liked thisJames Ward liked thisTLDR: 10 days in Bangalore = 1 AI mixer, 1 Dev Talks, 2 office days, 4 community events, 1 Swiftie concert, 1 fall, countless conversations, and people who felt like home. -- Bangalore, what a ride it was Ten days. So many people. So much coffee. So many conversations I didn't want to end. Hosted the YC Startup School after-event, the AI Community Mixer, with Devfolio, Qualcomm, New Relic, and Google for Devs. Worked from the Devfolio office, met the team, had whiskey barrel coffee by Ashwin. I still think about it. Lunch at Paper and Pie. That evening, WhyC Roast by Priyanshu. AI Weekend energy is just different. Zo House with the Residency Bangalore team, building artistic travel residencies for founders. Dinner with friends, had to make a LUMA listing because there were SO many people I wanted to see 😭 LossFunk's office next. Then DevRelJam by Yashraj Nayak, Atsushi's talk, and the Neo4j afterparty. AI hardware, biotech, neuroscience, compliance, graphs. Fascinating mix of people. Walked around HSR, Beanlore coffee, Irani Chai, met Kartikey Rawat, Khalid Khan, Akshata and more. Had mental health conversations that scared a few 😅 Google x Sarvam on Friday. Khyati Mehra Vinayak Gavariya, Bhavishya Pandit, aerospace engineers, media builders, coffee farmers. One of my favourite evenings. Then Divya showed me the core Indiranagar like a true local 🙌 Missed Claude Code Bangalore, but caught "AI's Missing Primitive" by Dots-In Research Lab. Would recommend attending their events if you're in Bangalore. Then the Indiranagar photo walk with Aditya, dinner with community friends and new ones. Sunday evening, Swiftchella. What an incredible bunch of women!! Then I fell 😂 Monday chai with Nimit. Tuesday, flight home. Bittersweet. Micro SaaS, neuroscience, AI, psychology, machine learning, and just. Life. Probably only in Bangalore? PS - If we met at any of the events, please do comment! I have a memory issue xD
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James Ward liked thisJames Ward liked thisYesterday I had an amazing day at #AWS #Summit in #Warsaw 🚀 Together with Yuriy Bezsonov, I had the opportunity to talk about developing AI Agents with #SpringAI and integrating with #BedrockAPI and #BedrockAgentCore in our session: "Build AI Agents in Java with Spring AI". The experience was truly incredible. We chose the Chalk Talk format, and I absolutely loved it — so many great questions, engaging conversations, exciting discussions about Agentic AI solutions, and strong interest in Java AI frameworks and AgentCore. A huge thank you to all participants for actively listening, asking thoughtful questions, and driving the discussions forward! Thanks Yuriy Bezsonov - it was really a pleasure speaking together! And big thanks to Amazon and all the teams involved for creating such an inspiring atmosphere and making events like this possible. You are awesome!
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James Ward liked thisJames Ward liked this🚀 AWS MCP Server + Agent Toolkit for AWS are both GA! What does this mean? You can now use AI agents (Claude, Kiro, etc.) to set up, manage, and troubleshoot AWS services — guided by curated skills that know the APIs, best practices, and common pitfalls. I contributed skills for EFS and S3 Files that help agents: - Walk you through setup - Diagnose mount failures, permission issues, and connectivity problems - Explain service behavior without you reading 20 doc pages Try it → just ask your agent "help me set up EFS" or "why can't my instance mount S3 Files?" 📎 https://lnkd.in/etrmP4Gg 📎 https://lnkd.in/emUzeafy #AWS #AI #MCP #EFS #S3Files #DevTools
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James Ward liked this"Kotlin Multiplatform has quietly become one of the fastest-growing approaches to mobile development." 👏James Ward liked thisWe just launched Bugsee for Kotlin Multiplatform — public beta, live now. KMP teams have been dealing with a frustrating gap: shared Kotlin code crashes, and suddenly you're back to two separate observability stacks, two integrations, two interpretations of the same problem. The Bugsee KMP SDK fixes that. One integration, one API, full session replay + crash reporting + network tracing across Android and iOS — powered by the same native engines we've been shipping for nearly a decade. If you're building with KMP, give it a spin. Honest feedback welcome. 👉 https://lnkd.in/g_2E7ktXBugsee for Kotlin Multiplatform - Now Live | BugseeBugsee for Kotlin Multiplatform - Now Live | Bugsee
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James Ward liked thisJames Ward liked thisKMP is gaining steam. More and more people asking about it. Clear need in the market and demand for it. - Joop Korteweg from RevenueCat https://lnkd.in/dJ7UyFnV #KotlinMultiplatform #KMPBuilding KMP Libraries: The RevenueCat Story | Talking Kotlin #137Building KMP Libraries: The RevenueCat Story | Talking Kotlin #137
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James Ward liked thisJames Ward liked this🚀 I am thrilled to share that the AWS MCP Server is now Generally Available! The AWS MCP Server gives AI agents and AI-native IDEs secure, auditable access to AWS services through the Model Context Protocol (MCP), helping AI agents build on AWS more effectively. It empowers organizations to let coding agents interact with AWS confidently, maintaining strict visibility and control through IAM-based guardrails, Amazon CloudWatch metrics, and AWS CloudTrail logging. With this GA launch, customers can now use their AI agents to: ✨ Call any of the 15,000+ AWS APIs: Unlock the full power of AWS by seamlessly executing any operation, including complex tasks that require file uploads or long-running execution. 🛠️ Leverage Curated Agent Skills: We have transitioned from Agent SOPs to dynamically loaded Skills to supercharge your agent's capabilities! Agents can now discover and load AWS-validated guidance on demand, keeping context window usage low. 📚 Access AWS Knowledge: Learn about AWS services through documentation search, operational guidance, and specialized AWS domains. Documentation search and skill discovery are now available without requiring AWS credentials. ⚡ Run Sandboxed Code: Run sandboxed Python code against AWS services for multi-step operations, without requiring access to the local filesystem or shell tools. 🙌 Huge thanks to our incredible preview community! Your feedback directly shaped many of the capabilities included in this GA launch. Ready to transform your AI workflows with seamless AWS access? Start using today at no additional cost. Learn more 👉 https://lnkd.in/dPbNjnXK #AWS #AI #GenAI #MCP #AgenticAI #CloudEngineering #DeveloperTools #AWSMCPServer
Experience
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Education
Publications
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Effect Oriented Programming
Have you wondered what makes functional programming such a big deal, but haven't been able to get through any of the explanations? We wrote this book for you.
Four years in the making!
Phone-friendly: the code listings are easily readable without phone gymnastics.
A small book, and it took an enormous amount of effort to make it so!
Effects are the unpredictable elements in your programs.
Concerns like network communication or user interaction might seem easy,…Have you wondered what makes functional programming such a big deal, but haven't been able to get through any of the explanations? We wrote this book for you.
Four years in the making!
Phone-friendly: the code listings are easily readable without phone gymnastics.
A small book, and it took an enormous amount of effort to make it so!
Effects are the unpredictable elements in your programs.
Concerns like network communication or user interaction might seem easy, but they are devilishly difficult to get right. The pristine world of algorithms devolves into the gory reality of failures and inconsistency.
Traditionally, we've coped with Effects incompletely and often unwittingly. Programs have been difficult to build, adapt, and maintain.
Discover a groundbreaking approach to software development using Effect Systems to control the unpredictable elements in your systems. We focus on practical techniques you can apply immediately, making complex concepts accessible to all developers. You'll learn resilient system development in a straightforward, pragmatic way, using simplified code examples and clear explanatory prose.Other authors -
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First Steps in Flex
Need to learn Flex, but find all those thick books intimidating? First Steps in Flex was designed to be small (only 140 pages!). Each chapter is only a few pages long, and contains just enough to get you comfortable with the topic. We don't want to bury you in details, but we provide plenty of resources when you need them; there's a site dedicated to further learning links.
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Patents
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Workflow version management
Issued US US20200242530A1
See patentTechniques are disclosed relating to a system capable of processing instances of different versions of a workflow. The system may store workflow information indicating different versions of a workflow. The system may receive requests to create instances of the workflow. The requests may include a first request associated with a first, non-current version of the workflow and a second request associated with a second, different version of the workflow. The computer system may create a set of…
Techniques are disclosed relating to a system capable of processing instances of different versions of a workflow. The system may store workflow information indicating different versions of a workflow. The system may receive requests to create instances of the workflow. The requests may include a first request associated with a first, non-current version of the workflow and a second request associated with a second, different version of the workflow. The computer system may create a set of instances of the workflow, including a particular instance corresponding to the first request. The computer system may receive a request to migrate the particular instance to a particular version different from the non-current version associated with the first request. The computer system may migrate the particular instance to the particular version of the workflow, such that subsequently received instance data for the migrated particular instance is processed according to the particular version.
Projects
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Happy Path Programming Podcast
No-frills discussions between Bruce Eckel and James Ward about programming, what it is, and what it should be.
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Effect Oriented Programming Book
A Paradigm for Creating Reliable, Adaptable, Testable Systems - Using Scala and ZIO
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WebJars
See projectWebJars are client-side web libraries (e.g. jQuery & Bootstrap) packaged into JAR (Java Archive) files.
Honors & Awards
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Testcontainers Community Champion
AtomicJar
Testcontainers Community Champions actively contribute to the growth and betterment of the Testcontainers community. They are passionate about Testcontainers, and use their knowledge and skills to help others succeed.
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Java Champion
Oracle
Java Champions come from a broad cross-section of the Java community. They are leaders; candidates are leading Java-related projects, JUG communities, and so on. They are technical luminaries; the candidate should be a Java engineer or architect who is relatively senior and has lots of experience. Java Champions are independent-minded and credible. They are also involved with applications of Java Technology or some humanitarian or educational effort openly available to the Java community (vs. a…
Java Champions come from a broad cross-section of the Java community. They are leaders; candidates are leading Java-related projects, JUG communities, and so on. They are technical luminaries; the candidate should be a Java engineer or architect who is relatively senior and has lots of experience. Java Champions are independent-minded and credible. They are also involved with applications of Java Technology or some humanitarian or educational effort openly available to the Java community (vs. a company-proprietary or government-classified project).
Java Champions are also able to evangelize or influence other developers through their own professional activities (via consulting, teaching, writing, speaking, etc.). They have the opportunity to provide feedback, ideas, and direction that will help Oracle grow the Java platform. This interchange may be in the form of technical discussions and/or community-building activities with Oracle's Java Development and Developer Program teams.
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Chronosphere
Log data is growing fast. A little too fast. Kubernetes environments generate incredible volumes, but most of it is actually noise. And the cost is even worse. Chronosphere Logs helps teams take back control and manage data growth in K8s environments. Here's how. 🔍 Cut through the noise with intelligent insights and smart recommendations 📉 Reduce log costs by 52% without sacrificing what matters ⚡ Investigate any time range with 99.99% uptime and consistent performance 🧩 Unify logs, metrics, traces, and events in one powerful platform It’s not about logging everything. It’s about logging what matters. Read the solutions brief below.
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Matty Stratton
ClickHouse doesn't have built-in schema migration support. In 2026. For a database used in production by thousands of companies. https://lnkd.in/gCU-4Fry That's not a niche edge case. Schema changes are one of the most common operations in any production database. And in ClickHouse, what looks like a simple column addition can trigger a full table rewrite when you're streaming hundreds of megabytes per second. Tinybird's own migration story is telling. Their first approach to handling materialized view changes was, in their words, "bulletproof but brutally inefficient." Touch just one materialized view and you'd migrate terabytes of upstream data. For a 14TB Kafka table, that meant days-long deployments. Every database has tradeoffs. ClickHouse is genuinely fast for narrow analytical queries. But if your workload evolves (and it will), the operational cost of that evolution is worth understanding before you're 14TB deep. What's the most painful schema migration you've dealt with?
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Linearloop
Your CI/CD bill is not exploding because of “expensive runners,” it is bleeding out through flaky tests, over-parallelized jobs, and slow feedback loops that quietly tax every deploy This piece shows you how to redesign pipelines so you cut compute waste, shrink queues, and speed up developer flow without adding yet another approval gate or YAML religion Full breakdown in the comments. #DevOps #CICD #PlatformEngineering
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LearnKube
Master Kubernetes with LearnKube's Advanced Kubernetes workshop! What should you expect? - Learn how to architect and design clusters from the ground up (in the cloud or on-prem). - Explore the Kubernetes internal component and how the system is designed with resiliency in mind. - Deep-dive into the networking components and observe the packets flowing into the cluster. - Hands-on labs to test the theory with real-world scenarios! - And more. The next course starts in September: https://lnkd.in/ge4aYVZq We also run in-person courses and private training: https://lnkd.in/g9N3m-Xr
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Networking Pulse
Redis Releases Critical Patch (CVE-2025-49844) A 13-year-old use-after-free flaw in Redis could allow remote code execution via crafted Lua scripts—affecting thousands of cloud instances. 🔹 Redis powers ~75% of cloud environments 🔹 Patch immediately & review Lua configurations 🔹 Audit access and monitor for suspicious activity NetworkingPulse can assist with patch validation, hardening, and threat monitoring. https://lnkd.in/efDZTvWC #Redis #Security #NetworkingPulse
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IBM Kubecost
Kubernetes makes multi-tenancy easy—but chargeback? Not so much. Our K8s Guide, "Kubernetes Chargeback," explains how to build a cost allocation and reporting model for Kubernetes that engineering and finance can trust. If you're scaling Kubernetes across teams or business units, this is your playbook for turning shared infrastructure into shared accountability. 📘 Read the guide: https://lnkd.in/ea3nTuE3 #Kubernetes #DevOps #CloudNative #Kubecost
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