Backend
How to Design Idempotent API Endpoints
A practical guide to designing idempotent API endpoints. Covers idempotency keys, HTTP semantics, storage patterns and the edge cases that usually bite first.
Zubair Hasan 9 min read Developer productivity that works
Practical advice for engineers who want to ship better software, faster.
Zubair Hasan 9 min read Code Quality
Refactoring Legacy Code Without Breaking It
Refactoring legacy code safely: a practical playbook with characterisation tests, seams, strangler fig, and small changes that keep production up.
Gareth Clubb 11 min read Architecture
Message Queues for Developers: RabbitMQ vs Kafka vs SQS
A practical comparison of message queues for developers: when to reach for RabbitMQ, Kafka, or SQS, plus delivery guarantees, ordering, and real costs.
Gareth Clubb 10 min read Code Quality
Why Your Tests Are Flaky and How to Fix Them
A practical guide to identifying and fixing flaky tests. Root causes from timing and async bugs to test pollution, with strategies to stabilise CI.
David White 7 min read Code Quality
How to Audit a Legacy Codebase: A Step by Step Guide
A practical guide to legacy code analysis: how to audit an unfamiliar codebase, identify risks, map dependencies, and plan a safe path forward.
Zubair Hasan 12 min read Backend
The Developer's Guide to API Versioning
A practical guide to API versioning strategies, from URL paths and headers to semantic versioning, with real-world examples and trade-offs.
David White 8 min read Code Quality
The Developer's Guide to Secure Coding Practices
Learn secure coding practices every developer should know, from input validation and dependency auditing to secrets management and threat modelling.
Jonny Rowse 10 min read Collaboration
How to Write Technical Documentation That Developers Actually Read
Learn how to write technical documentation developers actually read, from READMEs and API docs to architecture decision records.
Gareth Clubb 11 min read Architecture
The Developer's Guide to Serverless Computing
A practical guide to serverless computing covering FaaS, BaaS, cold starts, pricing, and when serverless is the right choice for your project.
Zubair Hasan 8 min read