A creative thinker. Telco sw/hw/networking background. Nowadays trying to make great companies products even better with testing in Jira. Thoughts & views mine.

Joined April 2007
566 Photos and videos
Join me today on this free webinar "Ship with confidence: Agentic AI-Driven Quality with Rovo Dev and Xray". I'll blend a bit development and testing, together :D ministryoftesting.com/partne… #testing #softwaretesting #quality #rovodev #atlassian #mot #AI #xray
1
3
98
Isabel Evans presenting the IDEA-T concept based on research in the #testing space #testbash
1
47
Learning more about #testing systems adopting €AI with @CarlosKidman at #testbash
1
4
74
Just made a quick sightseeing in Carisbrooke Castle and tomorrow I'll meet many #testing friends at the pre #TestBash event at Brighton. I hope to share and learn with many of you from this great Ministry of Testing community! See you soon! #softwaretesting #quality #xray
2
68
Sergio Freire retweeted
7 Aug 2025
Is Chain-of-Thought Reasoning of LLMs a Mirage? ... Our results reveal that CoT reasoning is a brittle mirage that vanishes when it is pushed beyond training distributions. This work offers a deeper understanding of why and when CoT reasoning fails, emphasizing the ongoing challenge of achieving genuine and generalizable reasoning. ... Our findings reveal that CoT reasoning works effectively when applied to in-distribution or near in-distribution data but becomes fragile and prone to failure even under moderate distribution shifts. In some cases, LLMs generate fluent yet logically inconsistent reasoning steps. The results suggest that what appears to be structured reasoning can be a mirage, emerging from memorized or interpolated patterns in the training data rather than logical inference. ... Together, these findings suggest that LLMs are not principled reasoners but rather sophisticated simulators of reasoning-like text.
194
910
5,805
793,253
Sergio Freire retweeted
OpenAI has released a guide on how to finetune their open-source models: cookbook.openai.com/articles…
24
301
1,916
201,679
Sergio Freire retweeted
5 Aug 2025
Comprehensive Taxonomy of LLM Hallucinations Nice report covering common hallucinations, root causes, and mitigation strategies.
34
175
993
108,231
Just released version 0.5.0 of our integration with latest version 1.51 of #testing framework #Playwright! This allows users to use most recent innovations to perform their automated tests, integrating these results into Jira and @XrayApp lnkd.in/dEUywJX7 #testautomation
61
The meaning of life is a profound philosophical question that has been pondered for centuries. It often involves seeking purpose, understanding existence, and finding fulfillment.
1
3
104
My journey at Agile Testing Days is over for this year. It ended with a panel on AI with @tariq_king and @rahullko32. It was great to see many existing from this and on other #testing events, and new friends to add to that list. Wish y'all a safe return back home! #agiletd
2
7
413
If you are at #agiletd, it's time to come to the Xray booth for the raffle to win an iPad! The iPad will be drawn exactly at 11h30am! Come slightly before. In case you haven't filled the challenge, you still have time! #testing
178
Glad to be with these two #testing friends @chrissbaumann and Tamara. thanks so much for the feedback Tamara on my webinars! I deeply deeply appreciate it!! Made my day! @chrissbaumann #agiletd
1
1
227
Exploratory Testing, that topic that I love. This time about exploratory ensemble testing with Tobias Geyer #agiletd #testing
1
2
269
Are you at #AgileTD and you wanna win an iPad? Just pass in the Xray booth, solve a puzzle and come back tomorrow for the raffle! Don't miss this. It's fun and you can get an iPad ;) #testing #challenge
3
193