Gareth Clubb
Founder · Implera
Founder of Implera. Writes about codebase quality, AI-assisted development and the signals engineering teams should track to ship reliable software.
Articles by Gareth Clubb
What Is Deterministic Code?
Deterministic code returns the same output for the same input every time. Learn what breaks determinism and why non-deterministic code causes flaky tests.
Per-PR vs Nightly Scans: When to Run Each CI Check
Some CI checks belong on every pull request, others belong on a nightly schedule. A practical guide to deciding scan cadence without slowing merges.
Code Maintenance Best Practices for 2026
Code maintenance keeps a codebase shippable for years, not just months. Eleven practical habits that separate a healthy repo from a fragile one.
How to Fix Circular Dependencies in JavaScript
How to fix circular dependencies in JavaScript and TypeScript: detect with madge, break cycles with type-only imports, shared contracts and DI.
Slow Drift in AI-Assisted Codebases
AI-assisted codebases do not break, they drift. Nothing looks urgent until it is. Why measuring change over time is the new quality problem.
Why Code Quality Matters More in the Age of AI
AI tools generate code faster than ever. Without quality measurement, speed creates risk. Learn why automated quality checks matter more now.
How AI Coding Assistants Affect Your Codebase Health
AI assistants accelerate development, but what happens to architecture, consistency, and testing? Explore the benefits, risks, and fixes.
PR Quality Gates: A Complete Guide
Learn how to set up PR quality gates that catch real problems without blocking your team. Covers thresholds, domains, and common pitfalls.
Understanding Circular Dependencies and How to Fix Them
Circular dependencies cause subtle build failures, testing pain and tight coupling. Learn how to detect them and practical strategies for breaking the cycle.
Static Analysis vs AI Code Review
Static analysis and AI code review each have strengths. Learn how deterministic tools and AI complement each other for more effective code quality.
How to Improve Your Codebase Architecture
Practical steps for improving codebase architecture. Cover module boundaries, coupling, layered patterns and measuring progress.
Why Documentation Is a Code Quality Signal
Documentation reflects how well a team understands its codebase. Good docs reduce onboarding friction and operational risk.
Performance Anti-patterns in Modern JavaScript
Common JavaScript performance mistakes: sequential awaits, N+1 patterns, heavy imports and large bundles. How to detect and fix them.
Accessibility in Code: Beyond the Frontend
Accessibility issues hide in code, not just designs. Learn how to detect common patterns like missing alt text and removed focus styles early.
Code Quality in 2026: Trends and Predictions
How code quality practices are evolving in 2026. From AI-assisted reviews to multi-domain scoring, here is what engineering teams should know.