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Field Notes

Engineering logs, architectural patterns, and R&D findings.

We use this space to think in public while building software. Mostly focused on the practical side of Engineering and Product Development. If you're solving similar problems or looking for a technical partner, feel free to read more about our background or reach out directly.

Archive:
2025 (4)
LLMOpsDeepEvalCI/CD
LLMOps: Production-Grade Testing for AI Applications
2025-12-21

How to move beyond 'vibes-based' testing with DeepEval, CI/CD tiering, and pragmatic quality gates for AI agents.

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Cloud ArchitectureSovereigntyScaleway
EU Sovereign Cloud: Building AI Apps on Scaleway vs. Azure
2025-12-20

A pragmatic comparison of deploying modern AI stacks on European sovereign cloud vs. Big Tech. Is the 60% cost saving worth the trade-off?

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Data EngineeringDagsterInfrastructure
Constraint-Driven Data Engineering: Architecting a Modern Data Platform on a Single €6 VM
2025-10-23

Why you don't need a cloud budget to do rigorous data engineering. A deep dive into Headless Dagster, Local Delta Lake, and the art of constraint.

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System DesignPostgreSQLFastAPI
Proactive Scaling: Designing Signale's Architecture for 1,000 Concurrent Users
2025-08-23

Scaling backend APIs for high concurrency: A deep dive into connection pooling, sidecar patterns, and the nuance of prepared statements in Python.

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