Learn how a data science executive thinks about building scalable data systems at startups.
Stef Lewandowski
Fractional CTO / tech lead working on applied AI
I’m an experienced early-stage startup tech/product lead with a mix of overlapping skills in software development, design, and business model innovation.
Throughout my career, I’ve sought to find repeatable ways to discover new opportunities, prototype and develop early-stage tech startups and scale them to have an impact on solving problems the world faces.
Work
Translucent - The CFO super-app for multi-entity finance teams
https://translucent.ioTranslucent is the CFO super-app that solves the everyday problems of finance teams. Connect to your existing accounting solutions to create a single system of record.
Led the development of the first prototype, wrote the first lines of code, hired the early team, enabled the company to raise $9m seed, got to first revenue, handed over to ongoing leadership.
Experience
On Deck
Director of Platform
Mar 2021 - Sep 2022
Where top tech talent goes to explore what’s next.
Oak National Academy
Head of Engineering
Mar 2020 - Mar 2021
When COVID hit, I helped build a platform to support 4.5M children per month to continue learning online.
ING Bank
Venture Builder
Aug 2018 - Apr 2020
A pioneer in digital banking for retail and wholesale clients, driving innovation and sustainability initiatives.
Rainmaking
Venture Builder
Sep 2016 - Aug 2018
We unleash the power of entrepreneurship to solve big problems with the world’s leading companies.
Makeshift.io
Founder and Chief Technology Officer
Jan 2013 - Jan 2015
Startup studio building and testing digital products on repeat
Aframe
Technical Co-founder
Mar 2009 - Mar 2012
Co-founded a media collaboration platform startup which raised over $15m of investment.
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Built teams for startups and big tech. 20+ years eng experience.
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