Engineering Insights

Securing Financial APIs in 2026: Implementing Global Request Interceptors and Automated Audit Trails in Spring Boot

With the recent surge in security vulnerabilities across the Spring ecosystem in the first half of 2026, relying on scattered security validation inside individual REST controllers is no longer an option—especially for banking and financial applications. Security must be tight, centralized, and fully auditable. ​In this article, we will look at how to build an enterprise-grade API architecture that secures endpoints globally using a HandlerInterceptor and automatically logs every user transactio

I built an app where the AI invents its own generators

The premise started as a workplace joke: photograph someone and have an AI generate a fictional corporate manual about them. "Subject encountered in break room. Optimal operation: compliment the coffee. Known failure mode: discussing weekend plans before 10am." That generator ships as one of three built-in makers in MakerMaker, an iOS entertainment app from Niixo. The others produce a mock spec sheet and a fabricated news headline. All three take a photo as input and run it through Gemini 2.5 Fl

Hice un centro de búsqueda de empleo local-first — sin nube, sin telemetría

Buscando trabajo me cansé de saltar entre la terminal, Claude Code y un montón de archivos markdown — y no quería subir mi CV a otro SaaS más. Así nació career-ops-ui: una interfaz web sobre el pipeline career-ops que corre completamente en tu propia máquina. Escucha en 127.0.0.1 por defecto. Tus datos no salen de tu equipo. Sin telemetría, sin cuentas. No postula automáticamente (solo arma una lista). Evalúa la oferta contra tu CV con una rúbrica 0–5, genera un PDF a medida y hace seguimiento

A Scatter-Plot Explorer for World Statistics — Log Scales and Hand-Rolled Pearson Correlation

"Do countries with higher GDP per capita also have longer life expectancy?" I built a tool that lets you explore questions like that across 48 countries by picking any two of five metrics as scatter-plot axes. Two implementation hinges: (1) metrics that span orders of magnitude (population: Singapore 5.6M to India 1,417M, a 250× range) must be plotted and correlated on a log scale or every point collapses to one corner, and (2) a hand-rolled Pearson correlation coefficient recomputed live as you

Hi guys! We are Chaotic Studios (VR). We are a virtual reality game development studio that is currently making a game called Chaos Crew VR. So far, we have added the movement, multiplayer, and character. Thanks for reading :)

Defensive Algo Design: Error Handling, Backtesting, and Mitigating Simulated Slippage

Every quant developer knows the feeling: you write an algorithmic strategy, run it against a basic backtesting script, and the equity curve looks like a flawless, vertical rocket ship. You feel like a market genius. But then you deploy that exact same strategy against a high-fidelity system—or live capital—and it immediately bleeds money. What happened? The strategy worked perfectly on paper because paper lacked friction. In Series 1 of this architectural deep dive, we pulled back the curtain

Getting Creative with Perlin Noise Fields

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Derbyshire Police officer accused of using AI to 'create evidence'

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