
Alexandre Pesant
Software that builds software at Lovable
Stockholm, Sweden
Joined July 2025
Network
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Summary
Alexandre is a deeply experienced software engineer and product manager with over 15 years in the tech industry, having worked across various roles from embedded systems to senior software engineering and technical product management. His career demonstrates a strong foundation in building complex software solutions and leading development teams. twimlai
He is a recognized AI expert and lead, particularly known for his work in AI-assisted coding and Large Language Models (LLMs). He's currently an AI Lead at Lovable, where he is involved in 'vibe coding' and building the gptengineer app. His past role as Founding Engineer at Opper AI further highlights his expertise in generative AI and democratizing access to these technologies. twimlai+2
Alexandre has a keen interest in optimizing LLM performance, authoring articles on topics like Chain-Of-Thought reasoning and structured generation. He also developed 'Delvin,' a state-of-the-art bug-fixing agent, showcasing his practical application of AI in software development. opper+1
With a strong academic background in microelectronics and hardware/software development from top French institutions, Alexandre bridges the gap between theoretical knowledge and practical application in cutting-edge AI and software engineering. rocketreach
Work
Education
Writing
Introducing Delvin: State of the art bug fixing agent
May 20, 2024Introduces Delvin, an agent designed for fixing bugs, reaching high accuracy on the SWE-Bench dataset.
Getting the best out of LLMs, part 1
April 12, 2024Explores how to improve LLM performance, specifically with GPT3.5 Turbo on math problems, using structured generation and Chain-Of-Thought techniques with the Opper SDK.
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