Technical writing on systems architecture, automation, trading systems, cloud infrastructure, and software engineering. https://sageideas.dev/blog en-us sage@sageideas.org (Jason Teixeira) Mon, 27 Apr 2026 21:08:11 GMT 60 https://sageideas.dev/blog/designing-a-185-table-database-schema-lessons-from-building-nexural https://sageideas.dev/blog/designing-a-185-table-database-schema-lessons-from-building-nexural Wed, 22 Apr 2026 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/building-a-fintech-platform-solo-185-tables-69-apis-7-systems https://sageideas.dev/blog/building-a-fintech-platform-solo-185-tables-69-apis-7-systems Mon, 20 Apr 2026 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/real-time-websocket-architecture-patterns-that-actually-scale https://sageideas.dev/blog/real-time-websocket-architecture-patterns-that-actually-scale Sat, 18 Apr 2026 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/building-an-ai-discord-bot-for-a-trading-community https://sageideas.dev/blog/building-an-ai-discord-bot-for-a-trading-community Wed, 15 Apr 2026 00:00:00 GMT AI sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/stripe-integration-lessons-what-the-docs-don https://sageideas.dev/blog/stripe-integration-lessons-what-the-docs-don Sun, 12 Apr 2026 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/why-i-treat-my-portfolio-like-a-production-system https://sageideas.dev/blog/why-i-treat-my-portfolio-like-a-production-system Fri, 10 Apr 2026 00:00:00 GMT Cloud Automation sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/monolith-vs-microservices-why-i-chose-a-modular-monolith-for-nexural https://sageideas.dev/blog/monolith-vs-microservices-why-i-chose-a-modular-monolith-for-nexural Wed, 08 Apr 2026 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-recruiter-pack-why-i-give-away-my-qa-playbooks https://sageideas.dev/blog/the-recruiter-pack-why-i-give-away-my-qa-playbooks Sun, 05 Apr 2026 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/feature-engineering-for-trading-200-indicators-that-actually-matter https://sageideas.dev/blog/feature-engineering-for-trading-200-indicators-that-actually-matter Wed, 01 Apr 2026 00:00:00 GMT Trading sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/building-a-backtesting-engine-that-doesn https://sageideas.dev/blog/building-a-backtesting-engine-that-doesn Sat, 28 Mar 2026 00:00:00 GMT Trading sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/portfolio-risk-math-explained-var-cvar-and-why-covariance-estimation-matters https://sageideas.dev/blog/portfolio-risk-math-explained-var-cvar-and-why-covariance-estimation-matters Sun, 22 Mar 2026 00:00:00 GMT Trading sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/terraform-module-patterns-how-i-structure-iac-for-reuse https://sageideas.dev/blog/terraform-module-patterns-how-i-structure-iac-for-reuse Wed, 18 Mar 2026 00:00:00 GMT Cloud Automation sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/docker-in-ci-cd-the-patterns-that-cut-my-pipeline-time-by-82 https://sageideas.dev/blog/docker-in-ci-cd-the-patterns-that-cut-my-pipeline-time-by-82 Thu, 12 Mar 2026 00:00:00 GMT DevOps sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/aws-cost-optimization-how-i-keep-a-production-platform-under-50-month https://sageideas.dev/blog/aws-cost-optimization-how-i-keep-a-production-platform-under-50-month Sun, 08 Mar 2026 00:00:00 GMT Cloud Automation sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/test-strategy-for-startups-what-to-test-when-you-can https://sageideas.dev/blog/test-strategy-for-startups-what-to-test-when-you-can Thu, 05 Mar 2026 00:00:00 GMT Testing sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/eliminating-flaky-tests-a-systematic-approach https://sageideas.dev/blog/eliminating-flaky-tests-a-systematic-approach Sat, 28 Feb 2026 00:00:00 GMT Testing sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/owasp-top-10-automated-testing-a-practical-implementation https://sageideas.dev/blog/owasp-top-10-automated-testing-a-practical-implementation Sun, 22 Feb 2026 00:00:00 GMT Security sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/what-i-learned-building-in-public-as-a-solo-engineer https://sageideas.dev/blog/what-i-learned-building-in-public-as-a-solo-engineer Sun, 15 Feb 2026 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-solo-engineer https://sageideas.dev/blog/the-solo-engineer Sun, 08 Feb 2026 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-bug-that-taught-me-more-than-any-course-ever-did https://sageideas.dev/blog/the-bug-that-taught-me-more-than-any-course-ever-did Sun, 01 Feb 2026 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/your-test-coverage-number-is-lying-to-you https://sageideas.dev/blog/your-test-coverage-number-is-lying-to-you Wed, 28 Jan 2026 00:00:00 GMT Testing sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/i-read-50-senior-engineer-job-descriptions-here https://sageideas.dev/blog/i-read-50-senior-engineer-job-descriptions-here Thu, 22 Jan 2026 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/why-i-use-raw-sql-instead-of-an-orm-most-of-the-time https://sageideas.dev/blog/why-i-use-raw-sql-instead-of-an-orm-most-of-the-time Sun, 18 Jan 2026 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/what-trading-futures-taught-me-about-writing-software https://sageideas.dev/blog/what-trading-futures-taught-me-about-writing-software Mon, 12 Jan 2026 00:00:00 GMT Trading sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/github-oidc-aws-no-long-lived-keys-cloud-automation-the-right-way https://sageideas.dev/blog/github-oidc-aws-no-long-lived-keys-cloud-automation-the-right-way Sat, 10 Jan 2026 00:00:00 GMT Cloud Automation sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/how-i-debug-production-issues-a-real-framework-not-guessing https://sageideas.dev/blog/how-i-debug-production-issues-a-real-framework-not-guessing Mon, 05 Jan 2026 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/authentication-is-harder-than-you-think https://sageideas.dev/blog/authentication-is-harder-than-you-think Sun, 28 Dec 2025 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-architecture-decision-nobody-writes-down https://sageideas.dev/blog/the-architecture-decision-nobody-writes-down Sat, 20 Dec 2025 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/rate-limiting-the-feature-nobody-thinks-about-until-it https://sageideas.dev/blog/rate-limiting-the-feature-nobody-thinks-about-until-it Mon, 15 Dec 2025 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/how-to-review-your-own-code-when-there https://sageideas.dev/blog/how-to-review-your-own-code-when-there Mon, 08 Dec 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-case-against-over-engineering-from-someone-who https://sageideas.dev/blog/the-case-against-over-engineering-from-someone-who Mon, 01 Dec 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/supabase-in-production-what-i-wish-i-knew-before-185-tables https://sageideas.dev/blog/supabase-in-production-what-i-wish-i-knew-before-185-tables Sat, 22 Nov 2025 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/environment-variables-the-security-hole-in-every-startup https://sageideas.dev/blog/environment-variables-the-security-hole-in-every-startup Sat, 15 Nov 2025 00:00:00 GMT Security sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/how-i-structure-a-next-js-project-after-6-production-apps https://sageideas.dev/blog/how-i-structure-a-next-js-project-after-6-production-apps Sat, 08 Nov 2025 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/monitoring-that-actually-tells-you-something https://sageideas.dev/blog/monitoring-that-actually-tells-you-something Sat, 01 Nov 2025 00:00:00 GMT DevOps sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/git-workflows-that-don https://sageideas.dev/blog/git-workflows-that-don Sat, 25 Oct 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/why-most-api-documentation-is-useless-and-how-to-fix-yours https://sageideas.dev/blog/why-most-api-documentation-is-useless-and-how-to-fix-yours Sat, 18 Oct 2025 00:00:00 GMT Architecture sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-myth-of-the-10x-developer https://sageideas.dev/blog/the-myth-of-the-10x-developer Fri, 10 Oct 2025 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/building-for-the-next-engineer-code-that-outlasts-you https://sageideas.dev/blog/building-for-the-next-engineer-code-that-outlasts-you Wed, 01 Oct 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/running-an-llc-as-an-engineer-what-nobody-tells-you https://sageideas.dev/blog/running-an-llc-as-an-engineer-what-nobody-tells-you Mon, 22 Sep 2025 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-technical-interview-from-both-sides-of-the-table https://sageideas.dev/blog/the-technical-interview-from-both-sides-of-the-table Mon, 15 Sep 2025 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/the-automation-mindset-if-you-do-it-twice-script-it https://sageideas.dev/blog/the-automation-mindset-if-you-do-it-twice-script-it Mon, 08 Sep 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/writing-a-120-000-word-book-while-building-software-full-time https://sageideas.dev/blog/writing-a-120-000-word-book-while-building-software-full-time Mon, 01 Sep 2025 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/error-handling-that-respects-your-users https://sageideas.dev/blog/error-handling-that-respects-your-users Mon, 25 Aug 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/why-i-document-every-system-i-build-and-the-template-i-use https://sageideas.dev/blog/why-i-document-every-system-i-build-and-the-template-i-use Mon, 18 Aug 2025 00:00:00 GMT Engineering sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/everything-i-shipped-this-year-and-what-i https://sageideas.dev/blog/everything-i-shipped-this-year-and-what-i Sun, 10 Aug 2025 00:00:00 GMT Career sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/building-a-production-ready-api-testing-framework https://sageideas.dev/blog/building-a-production-ready-api-testing-framework Mon, 15 Jan 2024 00:00:00 GMT API Testing sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/page-object-model-beyond-the-basics https://sageideas.dev/blog/page-object-model-beyond-the-basics Wed, 10 Jan 2024 00:00:00 GMT Selenium sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/fixing-docker-compose-connection-errors-in-ci-cd https://sageideas.dev/blog/fixing-docker-compose-connection-errors-in-ci-cd Fri, 05 Jan 2024 00:00:00 GMT CI/CD sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/performance-testing-from-zero-to-production https://sageideas.dev/blog/performance-testing-from-zero-to-production Thu, 28 Dec 2023 00:00:00 GMT Performance sage@sageideas.org (Jason Teixeira) https://sageideas.dev/blog/mobile-test-automation-with-appium-the-complete-guide https://sageideas.dev/blog/mobile-test-automation-with-appium-the-complete-guide Wed, 20 Dec 2023 00:00:00 GMT Mobile Testing sage@sageideas.org (Jason Teixeira)