Julien Leray
Associate
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolJulien Leray is an experienced software professional with 11 years delivering product-focused engineering, data and tech-due-diligence services from Paris. He co-founded Quanted Square to give no-nonsense, engineer-led tech diligence for investors and has a track record helping startups move from idea to MVP rapidly as an Engineering Associate at Techstars. Julien blends hands-on full‑stack and data experience—from building DMP features and REST APIs to training ML models during his time at Ve Global and Roland Berger—with pragmatic product advice for corporate intrapreneurs at Techstars. Now an Associate at Code & Co., he advises funds on AI, cyber, product and IT risks, spotting the technical red flags that often surface after acquisitions. Known for shipping fast proof‑of‑concepts and hiring technical leads when needed, he combines founder pragmatism with advisory rigor. Fluent in both technical delivery and investor-facing communication, he thrives at the intersection of code quality, team capability, and business outcomes.
11 years of coding experience
10 years of employment as a software developer
EpitechEngineer's Degree Computer Science, Engineer's Degree Computer Science at Nelson Mandela University
English, French
Stackoverflow
1,657reputation
147kreached
44answers
29questions
Github Skills (130)
realtime10
postgresql10
testing10
firebase10
auth10
javascript10
firefox10
ai10
reactive-programming10
firebase-database10
database10
build-system10
firestore10
nodejs10
supabase10
Programming languages (11)
Github contributions (5)
lerayj/lerayj.github.io
Feb 2016 - Apr 2017
Contributions:31 pushes, 1 branch in 1 year 1 month
beautiful-jekylljekylljekyll-thememobile-firstbeautiful-jekyll-theme
QuantedSquare/icd10
Dec 2018 - Dec 2018
Contributions:3 commits, 2 pushes, 1 branch in 1 day
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