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What you need to
know about Developer
Experience in 2025
Mauricio Salatino
Software Engineer at Diagrid
@Salaboy
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• Creating and Managing Kubernetes
• Build production-grade containers
• GitOps (Deploying stuff)
• Security and Observability
• Creating cloud resources on Cloud Providers
• Creating APIs to abstract away complexity
• I made a lot of friends …
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Platform Engineers
care about…
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Friends teach you things
June 2022: https://www.youtube.com/watch?v=OJwQkFl7gRY
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Friends teach you things
June 2022: https://www.youtube.com/watch?v=OJwQkFl7gRY
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Developers care about…
• Having the right tools for their apps
• Frameworks to save time
• Infra they need to run and test their
applications
• Understand what happens when things go
wrong in production (observability)
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There is a big gap,
we need to talk about it
• Part I: The Inner Development Loop
• Part II: Cloud Native Runtimes
• Part III: The Path to Production
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We noticed…
“PE and DE are
NOT two separate
problems”
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Platform
Engs …
The current DevEx has a
direct impact on how
successful your platform
initiatives will be.
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Devs know…
Platform initiatives will
directly affect their
DevEx
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10 Friction Points of
Developers Experience
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10 Friction
Points of
DevEx
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1. Kicking Off a New Project
2. Setting Up a Development Environment
3. Making a Change
4. Testing a Change
5. Running a Change
6. Debugging a Change
7. Integrating a Change with the Mainline
8. Validating a Change
9. Deploying a Change
10. Observing a Change
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#1 Pattern:
Development Environment Activation
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CDEs @ Spring I/O 2025 by Saeed Zarinfam
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#1 Pattern:
Development
Environment
Activation
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1. With containers
2. Without containers
Two different approaches
DevContainers
(https://containers.dev/)
Nix DevBox
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NixOS
(https://nixos.org)
without containers
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DevBox
WIKI / Github README.md:
• ✅ Java 25
• ✅ Maven 3.9.11
• ✅ kubectl 1.33.3
• ✅ dapr-cli 1.16.0
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10 Friction Points of
Developers Experience
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1. Kicking Off a New Project
2. Setting Up a Development
Environment
3. Making a Change
4. Testing a Change
5. Running a Change
6. Debugging a Change
7. Integrating a Change with the
Mainline
8. Validating a Change
9. Deploying a Change
10. Observing a Change
Contracts
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• We have been using containers as our contracts
• What else can we provide to developers to simplify their tasks when building
distributed applications?
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Part II: Cloud Native Runtimes
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Spoiler Alert!
APIs are always the answer
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But there is a gap…
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Platform people like CLIs
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Decoupling
applications from
infrastructure
with APIs
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Integrating with the Application layer
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Relying on specs for
consistency and integrations
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https://www.dash0.com/blog/observing-dapr-with-opentelemetry-and-dash0
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Crafting local development experiences
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Local developer experience without K8s
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Dapr Spring Boot Testcontainers Microcks
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1. More and more teams are using LLMs
2. Platform Engineering teams struggle to enable dev teams
3. New friction points and patterns are popping up 👀
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Let’s reflect on:
PE + DevEx + AI Agents
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Make friends!
https://github.com/devex-on-k8s/book/
https://www.manning.com/books/developer
-experience-on-kubernetes
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