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Software Engineering 02 Sep 2026 8 min read

Code Reviews That Improve Change Quality

Code review is one of the few engineering practices that can improve a change before it reaches production while also spreading knowledge across a team. It can catch defects, expose unclear assumptions, improve maintainability, and help engineers understand parts of the system they did not write. It can also become slow and frustrating when reviewers focus on preferences, authors submit changes that are too large to reason about, or nobody is clear about what approval means.

Software Engineering 02 Sep 2026 5 min read

Architecture Decision Records That Stay Useful

Software systems accumulate decisions that are obvious at the time and mysterious six months later. A database was chosen for a reason, a synchronous call became asynchronous for a reason, and a service boundary exists because some trade-off mattered. Architecture Decision Records, or ADRs, preserve that reasoning in small documents close to the code. Record decisions, not meetings An ADR should answer a future engineer’s practical questions: What problem were we solving? What constraints mattered? What did we decide? Which alternatives were considered? What consequences did we accept? Has this decision been replaced? It does not need to reproduce a design meeting transcript.

Software Engineering 01 Sep 2026 3 min read

Use the Strangler Fig Pattern for Incremental System Modernization

Large rewrites concentrate technical and delivery risk. Teams can spend months reproducing existing behavior before users receive any benefit, while the original system continues to change. The strangler fig pattern takes a different approach: replace capabilities incrementally and route traffic to the new implementation as each slice becomes ready. Choose a bounded slice Start with a capability that has a clear input, output, and ownership boundary. Good first candidates are important enough to validate the migration approach but not so central that every subsystem must move at once.

Web Development 01 Sep 2026 5 min read

Feature Flags Without Long-Lived Technical Debt

Feature flags decouple code deployment from feature release. A team can deploy dormant code, enable it for internal users, roll it out gradually, and disable it without rebuilding the application. The cost is hidden control flow. Every long-lived flag creates another possible system configuration, and interacting flags multiply those configurations quickly. The engineering goal is therefore not “use flags everywhere.” It is to make each flag temporary, observable, and owned.

Software Engineering 01 Sep 2026 5 min read

Evolving APIs Without Breaking Clients

An API is not only an HTTP path or function signature. It is a contract about syntax, semantics, timing, errors, ordering, defaults, and lifecycle. Breaking changes often happen because a server remains syntactically compatible while changing one of those less-visible assumptions. Safe API evolution starts by identifying what clients can reasonably depend on and designing changes that allow old and new versions to coexist. Compatibility has multiple dimensions A change can preserve JSON shape and still break clients.

Software Engineering 01 Sep 2026 4 min read

Contract Tests for Reliable Service Boundaries

Distributed systems fail in an awkward place: each service can pass its own tests while the interaction between two services is incompatible. A provider may rename a JSON field, tighten validation, change an enum, or stop returning a value that a consumer quietly depends on. Contract tests make those cross-service assumptions executable. What a contract is A contract describes an observable interaction between a consumer and a provider. For an HTTP API, it might specify: