Simon White

Simon White

Y Combinator Logo Batch: W19

Achievements

  • Y Combinator W19 alum, co-founded Rebank, processed over $100M across 55 countries
  • Built secure systems for Australian Dept of Defence at Thales Australia
  • Led tech at Soreto Limited, reaching millions of users with retail rewards platform
  • Previously developed cloud-native investment platform at Fincluster
  • Current founding software engineer at Maihem (Y Combinator W24), focusing on AI security testing
  • Holds a Bachelor of IT from ANU and certifications from Stanford in growth marketing and supervised machine learning

Obsessing over Simon White

Spotlight on the one and only Simon White. This guy’s the real deal in the startup and tech world, no cap. He’s a YC alum from W19, which already puts him in that top tier of founders. But what’s wild is his process, it’s like a nonstop hustle from the start.

Simon kicked things off with a solid background in systems engineering, working at places like Thales Australia and Unisys Australia. He was designing secure systems for the Australian Department of Defence and supporting immigration systems, so the dude’s been deep in the trenches of serious tech security. That’s not some random background, it’s legit top-shelf stuff. He’s got a Bachelor of IT from ANU and even picked up certifications in growth marketing and supervised machine learning from Stanford, so he’s got the brains and the hustle.

Then he jumped into startups, first as a Senior Developer at Fincluster, building cloud-native investment platforms, which shows he’s got that fintech itch. But the real game changer was when he co-founded Rebank in W19. Dude crushed it with Rebank, it processed over $100 million across 55 countries in 17 currencies. That’s not small fries. Rebank was all about making banking and payments easier for international startups, basically solving real pain points for founders trying to go global. That’s the kind of startup that’s not just cool tech, but actually makes a difference.

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He then took on a leadership role at Soreto Limited, running tech for a social media rewards platform for big UK retail brands. Basically, he’s been managing teams and delivering products that touch millions of users. That shows he’s not just a coder, he’s a builder and a leader.

Now, here’s the move that shows he’s always pushing forward, he’s currently a founding software engineer at Maihem (YC W24), working on automated QA and security testing for AI apps. Basically, he’s jumping into the hottest tech right now, AI and security, making sure these applications are safe and reliable. That’s the kind of stuff that’s gonna shape the future.

What does all this say about him? It’s simple. Simon’s driven by solving hard problems, especially where security and finance meet. He’s not about bullshit ideas, he’s about building stuff that actually works, that scales, and that matters. His process from serious security engineering to fintech to AI testing shows he’s got that entrepreneurial fire, always looking for the future trend to crush.

Bottom line? Simon White’s a tech veteran, a startup beast, and a guy who’s always pushing the limits. His experience shows he’s more than just a coder, he’s about building systems that move the world, all fueled by that relentless startup hustle. No Cap.

Founder ID: 105895

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