--- title: "Mario Cervera (@macerub) | Hashnode" description: "Software craftsman. I write about Software Engineering (clean code, design, testing, ...) and also about Algorithms & Data Structures." url: "https://hashnode.com/@macerub" --- @macerub # Mario Cervera @macerub · Spain · Joined October 2020 Software craftsman. I write about Software Engineering (clean code, design, testing, ...) and also about Algorithms & Data Structures. ### [Is Software Engineering Really Dead in the AI era?](https://mariocervera.com/is-software-engineering-really-dead?utm_source=hashnode&utm_medium=feed) Is Software Engineering really dead in the Artificial Intelligence (AI) era? This question is both provocative and widely debated. It is generating a great deal of discussion on social media and among software developers in general. In this post, I s... 8 min read · [mariocervera.com](https://mariocervera.com/is-software-engineering-really-dead?utm_source=hashnode&utm_medium=feed) [Feb 3](https://hashnode.com/posts/is-software-engineering-really-dead/698281ec4f800e4c016d5574) ### [Key Challenges of AI-Assisted Software Engineering](https://mariocervera.com/key-challenges-ai-assisted-software-engineering?utm_source=hashnode&utm_medium=feed) Recently, I published a post on accelerating software engineering with the help of Artificial Intelligence (AI). In that post, I shared my team’s hands-on experience with AI agents, exploring four scenarios where we could easily achieve a significant... 7 min read · [mariocervera.com](https://mariocervera.com/key-challenges-ai-assisted-software-engineering?utm_source=hashnode&utm_medium=feed) [Jan 6](https://hashnode.com/posts/key-challenges-ai-assisted-software-engineering/695d9ad14e1b7940412f139b) ### [Leveraging AI to Accelerate Software Engineering](https://mariocervera.com/leveraging-ai-accelerate-software-engineering?utm_source=hashnode&utm_medium=feed) Over the past few months, my team and I have been making extensive use of Artificial Intelligence (AI) – specifically Cursor IDE – in our day-to-day work. It started as a small experiment, but it quickly evolved into a deeper exploration of how Large... 7 min read · [mariocervera.com](https://mariocervera.com/leveraging-ai-accelerate-software-engineering?utm_source=hashnode&utm_medium=feed) [Dec 12, 2025](https://hashnode.com/posts/leveraging-ai-accelerate-software-engineering/693b5d5dfc4c47ff19b1a5e8) ### [Characterization testing: adding tests to legacy code](https://mariocervera.com/characterization-testing-adding-tests-to-legacy-code?utm_source=hashnode&utm_medium=feed) Some people feel uneasy when they test-drive code, so they favor the traditional workflow where testing is an after-development activity. Other people, on the contrary, believe that adding automated tests after development is more challenging, so the... 7 min read · [mariocervera.com](https://mariocervera.com/characterization-testing-adding-tests-to-legacy-code?utm_source=hashnode&utm_medium=feed) [Nov 30, 2025](https://hashnode.com/posts/characterization-testing-adding-tests-to-legacy-code/692c61f0f2d62488058aca50) ### [Common test smells](https://mariocervera.com/common-test-smells?utm_source=hashnode&utm_medium=feed) Most of us are familiar with the problems exhibited by the systems that contain design smells (understanding the term “smell” as defined in Martin Fowler’s book Refactoring: Improving the Design of Existing Code). Some of these problems are: The sys... 6 min read · [mariocervera.com](https://mariocervera.com/common-test-smells?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/common-test-smells/614a06a520bcc6765ac05303) [Sep 21, 2021](https://hashnode.com/posts/common-test-smells/614a06a520bcc6765ac05303)