About
Jonathan Tiret is co-founder and CTO of Upstream. He began developing software as a teenager on Dino Gaia, a French online game, and has held engineering leadership roles at companies in ride-hailing, fintech, and legaltech, most recently as VP of Engineering at Doctrine prior to its acquisition.
Founder at UpstreamYC S23
Intro paths
Jonathan went through Y Combinator (Summer 2023) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Upstream's batch and knows the company first-hand. YC profile ↗
In turn, Jonathan can intro founders to Upstream's investors below.
Upstream's investors · 4
Co-founders at Upstream
Experience
- Upstream (YC S23)Co-founder & CTOcurrent2023 — presentParis, Île-de-France, France
- Angel InvestorSeed Investorcurrent2020 — present
- Self-employedCTO & VP Engineering as a Service2021 — 2022Paris, Île-de-France, France
- DoctrineVP, Engineering2019 — 2020Greater Paris Metropolitan Region
- PhotoBoxDirector of Engineering2018 — 2019Paris Area, France
- HiPay GroupDirector, Platform Integration & Omnichannel Solutions2015 — 2018Paris Area, France
- Dino GaiaFounder2005 — 2017France
- LeCabHead Of Engineering2012 — 2015Greater Paris Metropolitan Region
- Appsfire.comSoftware Engineer2011 — 2012Greater Paris Metropolitan Region
- DegetelJunior iOS Engineer2011Greater Paris Metropolitan Region
- Klee GroupJunior Android Engineer2010Greater Paris Metropolitan Region
Skills & more
+11 more
IT StrategyProduct StrategyProduct ManagementManagementRecruitingWeb DevelopmentPHPChefOnline GamingJavaScriptSQLLanguages English · French
- TOEIC — ETS
From Jonathan's professional profile.
Frequently asked questions
- Who is Jonathan Tiret?
- Jonathan Tiret is co-founder and CTO of Upstream. He began developing software as a teenager on Dino Gaia, a French online game, and has held engineering leadership roles at companies in ride-hailing, fintech, and legaltech, most recently as VP of Engineering at Doctrine prior to its acquisition.
- Where does Jonathan Tiret work?
- Jonathan Tiret is Founder of Upstream.
- What companies did Jonathan Tiret found?
- Jonathan Tiret founded Upstream.
- Where did Jonathan Tiret go to school?
- Jonathan Tiret studied at Y Combinator; EFREI - Grande école du numérique (Engineering degree, Computer science); King's College London (Mathematics).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
+ 4,709 more
King's College London mafia51
Also came through, then founded or led a company.
+ 44 more
EFREI - Grande école du numérique mafia3
Also came through, then founded or led a company.
Klee Group mafia2
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
+ 1,994 more
Also attended EFREI - Grande école du numérique5
.avif)
Also attended King's College London233
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+ 227 more
