Older Posts — Page 12 of 18
Prompt injection’s hidden AWS tax
How unsanitized prompt templates leak instructions, trigger retry storms, and inflate token bills — plus concrete hardening steps and code.
12 min read · 3 July 2026
Serve 4G-as-baseline apps in 2026
Design APIs for 300 ms RTT, packet loss and data caps: payload budgets, stale-while-revalidate caching, adaptive fetch and honest measurement.
14 min read · 3 July 2026
Designing Fintech Backends Around Audit Deadlines
Regulatory audit deadlines change how you should split services. A worked example of transaction boundaries, outbox patterns and WAL-based audit reads.
13 min read · 3 July 2026
Keeping AI-Generated Code from Rotting Your Repository
How to detect and contain AI-generated code debt with linters, review gates, and measurement instead of expensive governance platforms.
12 min read · 3 July 2026
AI UI generation: what it fixed and what still breaks
AI UI generators produce plausible React and Tailwind fast, but miss platform quirks, architecture and tests. Here is where they help and where review must start.
11 min read · 3 July 2026
Stop false positives in CI scanning now
Static ignore files rot as dependencies change. A triage layer between scanners and PR comments filters alerts using live context instead.
14 min read · 3 July 2026
AI scanners overlook real vulns
AI scanners catch pattern-level flaws but miss logic bugs. Learn a layered approach using deterministic rules, fuzzing, and runtime monitoring.
12 min read · 2 July 2026
Stop the writes — zero-downtime DB migrations
Zero-downtime migrations fail when writes keep flowing during the copy. A drain-copy-flip state machine, with instrumentation and a decision checklist.
13 min read · 2 July 2026
Meter dev-tool pricing in 2026
Build usage-metered pricing for a dev tool: Stripe metered billing, Redis counters, idempotent usage events, and the edge cases that break first.
11 min read · 2 July 2026
AI memory systems: context that survives sessions
Why AI agents silently lose memory across restarts, how to scope memory to a session, and how to test persistence before production.
12 min read · 2 July 2026
Postgres 17 swallowed Redis, Kafka, Timescale
How to evaluate consolidating Redis, Kafka and a time-series database into Postgres extensions, with honest limits, failure modes and a checklist.
14 min read · 2 July 2026
M-Pesa Daraja 2.0: your 2026 migration checklist
A practical checklist for migrating an M-Pesa Daraja integration across a breaking API change: auth, idempotency, callbacks, error handling and rollout.
14 min read · 2 July 2026
AI chat's hidden WCAG fails
Why AI chat UIs break screen readers: dynamic ARIA roles, focus hijacking, and contrast failures, plus how to test and prevent them.
14 min read · 2 July 2026
AI agents killed dev tool sales cycles
How agent-driven evaluation changes integration design, onboarding, and pricing for developer tools, with concrete patterns and a 30-minute test.
10 min read · 2 July 2026
Test AI code without testing the AI
A practical testing strategy for AI-assisted code: property-based, contract, fuzz, snapshot, and chaos testing, with worked examples and a decision table.
16 min read · 1 July 2026
Debug AI agents: failures aren't just bugs
AI agent postmortems need different questions than service incidents. Compare structured failure narratives with LLM-assisted causal graphs, and when each wins.
11 min read · 1 July 2026
AI-proof your mid-level salary
Tracking commits and story points keeps engineers in the layer AI automates best. Here is how to measure p99 latency, cost per request and error rate instead.
15 min read · 1 July 2026
9 Vibe coding traps that break production code
Nine patterns that make AI-assisted prototypes fail under load, with the instrumentation to catch each one before it reaches production.
11 min read · 1 July 2026
AI wrote the docs — humans wrote the gaps
AI generates API reference docs well but omits rate limits, deprecations and retry rules. A pattern for keeping human-written edge cases in sync with code.
13 min read · 1 July 2026
5 ways to find hidden latency before production
Five practical ways to surface hidden latency before production: traffic replay, synthetic probes, profiling diffs, query plan diffs, and dependency latency budgets.
12 min read · 30 June 2026
RAG on legacy systems: vector DB vs. full-text SQL
Compare vector databases and in-database vector search for adding RAG to legacy systems, with latency, cost, and operational trade-offs.
14 min read · 30 June 2026
Double the price, double the revenue
How to design four-tier pricing for a developer tool: seat limits, usage counters, feature gates, plan enforcement, and how to measure whether it converts.
13 min read · 30 June 2026
AI UI tools: promise vs. production
AI UI generators produce plausible React fast, but token drift, inline styles and missing a11y still need human review before merge.
11 min read · 30 June 2026
2026 AI stack: solo SaaS cost showdown
A framework for choosing between AI-generated and hand-written infrastructure for a solo SaaS, with cost models, failure modes and a 30-minute audit.
13 min read · 30 June 2026