Uploaded April 2026 | Updated September 2026, 2 weeks ago
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Tired of your deployments breaking mysterious downstream services you've never heard of? Fed up with "works on my machine" integration bugs that only surface in production? Ready to stop playing deployment roulette with your microservices?
Contract testing is the engineering solution that transforms service integration from a game of chance into a predictable, automated process. While your teammates are still debugging cryptic 500 errors across ten different services at 2 AM, you'll be shipping with confidence, knowing exactly what will break and what won’t, before you even hit deploy.
Contract testing is battle-tested engineering that solves the fundamental problem every microservices developer faces: How do you know if your changes will break someone else's code? The answer lies in treating service interfaces like the critical system boundaries they are, with explicit contracts that both sides can validate independently.
What you'll learn
Why E2E tests are lying to you: How traditional integration testing creates false confidence and why contract testing catches the failures that matter
The deployment anxiety cure: Build contracts that let you deploy independently without coordinating with twelve other teams
Schema evolution without the drama: Handle API changes like a pro using contract versioning strategies that actually work
Pact : Hands-on explanation of PACT along with integration with your existing CI/CD pipeline
Real failure scenarios: Live demos of contract tests catching
Please subscribe to our YouTube channel @ youtube.com/@DevoxxForever
Subscribe to LinkedIn @ linkedin.com/company/voxxed-days-amsterdam
Follow us on Twitter @ twitter.com/voxxedamsterdam
Tired of your deployments breaking mysterious downstream services you've never heard of? Fed up with "works on my machine" integration bugs that only surface in production? Ready to stop playing deployment roulette with your microservices?
Contract testing is the engineering solution that transforms service integration from a game of chance into a predictable, automated process. While your teammates are still debugging cryptic 500 errors across ten different services at 2 AM, you'll be shipping with confidence, knowing exactly what will break and what won’t, before you even hit deploy.
Contract testing is battle-tested engineering that solves the fundamental problem every microservices developer faces: How do you know if your changes will break someone else's code? The answer lies in treating service interfaces like the critical system boundaries they are, with explicit contracts that both sides can validate independently.
What you'll learn
Why E2E tests are lying to you: How traditional integration testing creates false confidence and why contract testing catches the failures that matter
The deployment anxiety cure: Build contracts that let you deploy independently without coordinating with twelve other teams
Schema evolution without the drama: Handle API changes like a pro using contract versioning strategies that actually work
Pact : Hands-on explanation of PACT along with integration with your existing CI/CD pipeline
Real failure scenarios: Live demos of contract tests catching
![[VDBUH2026] Magda Miu & Alin Miu - Engineering Leadership in the Age of AI](https://i.ytimg.com/vi/DAgVdXO4NFM/mqdefault.jpg "[VDBUH2026] Magda Miu & Alin Miu - Engineering Leadership in the Age of AI
Engineering management isn’t a promotion, it’s a career shift from solving technical problems to navigating human complexity. In the AI era, this shift becomes even more challenging as leaders must make high-stakes decisions under uncertainty and guide teams through rapid change.
This talk is a condensed “management lab” for senior engineers and new managers, offering practical frameworks for building psychological safety, running effective feedback systems, coaching for autonomy, and making AI-aware decisions.
You will leave with actionable tools, not theory, to help you lead with clarity, confidence, and strategic impact from day one.")
