Insights from a Senior Frontend Engineer on React, TypeScript, testing, performance, accessibility, career and modern web development best practices.https://radosvet.dev/en-gbhttps://radosvet.dev/posts/career/a-mentoring-win-that-made-me-proud/https://radosvet.dev/posts/career/a-mentoring-win-that-made-me-proud/A reflection on mentoring an engineer through interview preparation, focusing on positioning, structured communication, and building confidence so they could perform calmly when it mattered most.Tue, 10 Feb 2026 00:00:00 GMThttps://radosvet.dev/posts/career/6-years-at-jpmorgan-chase/https://radosvet.dev/posts/career/6-years-at-jpmorgan-chase/After six years in one place, I reflect on what truly remains once projects change, code evolves, and teams move on.Mon, 30 Mar 2026 00:00:00 GMThttps://radosvet.dev/posts/career/from-newsletter-to-open-source/https://radosvet.dev/posts/career/from-newsletter-to-open-source/A personal story about discovering npmx through a newsletter, contributing for the first time, and realising that open source is all about community.Tue, 03 Mar 2026 00:00:00 GMThttps://radosvet.dev/posts/career/how-to-ace-technical-react-interview-practical-guide/https://radosvet.dev/posts/career/how-to-ace-technical-react-interview-practical-guide/A practical, mentor-led guide to preparing for technical React interviews: mental models, what to practise, how to communicate, and a checklist to bring on the day.Thu, 02 Oct 2025 00:00:00 GMThttps://radosvet.dev/posts/architecture/stop-guessing-start-measuring-the-frontend-quality-playbook/https://radosvet.dev/posts/architecture/stop-guessing-start-measuring-the-frontend-quality-playbook/A practical guide to building maintainable, measurable, high-quality frontend systems - inspired by timeless software engineering principles and reimagined for modern teams.Mon, 15 Sep 2025 00:00:00 GMThttps://radosvet.dev/posts/career/interviews-as-win-win-or-no-deal/https://radosvet.dev/posts/career/interviews-as-win-win-or-no-deal/Why engineers should approach interviews with a win/win or no deal mindset. Interviews are about alignment not about impressing and don't get upset if you get rejectionMon, 25 Aug 2025 00:00:00 GMThttps://radosvet.dev/posts/career/what-i-wish-i-knew-when-learning-frontend-practical-framework/https://radosvet.dev/posts/career/what-i-wish-i-knew-when-learning-frontend-practical-framework/A practical roadmap for learning frontend engineering from scratch: start with the end in mind, break concepts into measurable tasks, and focus on building and feedback.Fri, 15 Aug 2025 00:00:00 GMThttps://radosvet.dev/posts/architecture/react-hooks-practical-guide/https://radosvet.dev/posts/architecture/react-hooks-practical-guide/Learn how to use React hooks effectively in real projects: from useState and useEffect to custom hooks, pitfalls to avoid, and best practices for maintainable code.Sun, 10 Aug 2025 00:00:00 GMThttps://radosvet.dev/posts/architecture/when-dry-goes-wrong/https://radosvet.dev/posts/architecture/when-dry-goes-wrong/Why chasing DRY too early in frontend development can lead to brittle, confusing, and unmaintainable code.Mon, 04 Aug 2025 00:00:00 GMThttps://radosvet.dev/posts/career/managing-time-as-senior-engineer/https://radosvet.dev/posts/career/managing-time-as-senior-engineer/Practical ways I manage my time as a senior engineer, from focusing on important but not urgent work to applying the 80/20 rule and protecting time for high-leverage impact.Mon, 23 Jun 2025 00:00:00 GMThttps://radosvet.dev/posts/career/from-athlete-to-engineer/https://radosvet.dev/posts/career/from-athlete-to-engineer/How 15+ years as a professional hockey goalie shaped my mindset as a software engineer, from discipline and teamwork to resilience and long-term growth.Wed, 11 Jun 2025 00:00:00 GMThttps://radosvet.dev/posts/security/frontend-security-practical-guide/https://radosvet.dev/posts/security/frontend-security-practical-guide/Why frontend developers are on the front lines of web security and how to protect your users from common attacks. A practical guide on most common frontend threatsFri, 06 Jun 2025 00:00:00 GMThttps://radosvet.dev/posts/tooling/the-one-tool-you-cant-afford-to-skip/https://radosvet.dev/posts/tooling/the-one-tool-you-cant-afford-to-skip/Why ESLint is not an optional tool, but an essential foundation for writing consistent, bug-free, and maintainable code, especially for junior developers.Mon, 26 May 2025 00:00:00 GMThttps://radosvet.dev/posts/performance/performance-does-not-matter-until-it-works/https://radosvet.dev/posts/performance/performance-does-not-matter-until-it-works/Why performance means nothing without correctness, and why clarity is often the most valuable optimisation of all.Tue, 20 May 2025 00:00:00 GMThttps://radosvet.dev/posts/testing/testing-strategies-for-modern-react-apps/https://radosvet.dev/posts/testing/testing-strategies-for-modern-react-apps/A beginner-friendly guide to testing React apps using React Testing Library, Playwright, focusing on maintainable and reliable tests.Tue, 22 Apr 2025 00:00:00 GMThttps://radosvet.dev/posts/testing/how-to-actually-test-your-frontend-code/https://radosvet.dev/posts/testing/how-to-actually-test-your-frontend-code/Writing tests that matter is hard. Here's how shifting my mindset from code coverage to user behaviour changed the way I test frontend applications.Sat, 19 Apr 2025 00:00:00 GMThttps://radosvet.dev/posts/testing/why-stopped-obsessing-over-100-percent-unit-test-coverage/https://radosvet.dev/posts/testing/why-stopped-obsessing-over-100-percent-unit-test-coverage/How enforced coverage targets led to poor practices and how focusing on the user helped rebuild confidence.Thu, 17 Apr 2025 00:00:00 GMT