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ExternalSoftware Engineering
DEV Community

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

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ExternalSoftware Engineering
DEV Community

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

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ExternalSoftware Engineering
DEV Community

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

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