Jane Smith

Background

Jane Smith is a co-founding Partner at Acme Ventures, where she has led investments in fintech and developer tools since 2018. Before starting Acme, she spent six years at Stripe, where she rose from engineer to Head of Platform Partnerships ¹. She holds a BS in Computer Science from MIT and an MBA from Stanford GSB ².

Prior to Stripe, Jane was an early engineer at Square (2011-2012), giving her nearly fifteen years of experience in payments infrastructure ¹. She is a regular speaker at fintech conferences and publishes a widely-read newsletter, The Seed Stack, covering early-stage fintech and infra trends ³.

Jane serves on the board of Ledgerly and Vaultkey, and as a board observer at NomadPay ².

Stated Thesis

Jane has articulated her investment thesis across multiple public forums. Her core belief is that “the payments stack is being unbundled and rebuilt by engineers who lived inside the old one” ⁴. Key themes she emphasizes:

• API-first financial infrastructure – she favors companies building modular, composable financial services rather than monolithic platforms.
• Developer experience as moat – she believes that in infrastructure, the quality of documentation and DX determines adoption.
• Repeat technical founders – she has publicly stated a preference for founders on their second or third company ³.

“I want to fund the person who spent five years at Stripe or Plaid, saw what was broken from the inside, and now can’t stop thinking about how to fix it.” – SeedConf 2025 ⁴

Inferred Thesis

Based on analysis of Jane’s 14 known personal lead investments:

• 57% fintech and payments
• 29% developer tools and infrastructure
• 14% data and analytics platforms

Notable patterns:

• 86% of founders she backed had at least 4 years of experience at a payments or fintech company before founding ²
• 71% of her investments were in companies with a working API or SDK at the time of investment
• 64% involved at least one founder she had a pre-existing relationship with (former colleagues, conference connections, newsletter subscribers)
• 50% of her seed investments converted to Series A within 18 months
• She has never led an investment in a consumer fintech product; all are B2B or infrastructure

Her deal sourcing appears heavily relationship-driven, with a disproportionate number of founders coming from the Stripe and Plaid alumni networks ⁵.

Portfolio

In Their Own Words

“I don’t invest in markets. I invest in the specific human being who understands a problem so well they can explain it to me in thirty seconds and then spend an hour on the nuances.” ⁴

“The best seed-stage signal I’ve found is: does this founder’s Slack light up when they talk about the problem? Not the market size. Not the exit. The problem.” – The Seed Stack newsletter, Issue 42 ³

“I tell every founder I back: I will always pick up the phone. I might not have the answer, but I will always pick up.” – Venture Voices podcast ⁶

“We pass on more deals because of founder-market fit than anything else. You can have a great idea in a great market, but if you haven’t lived in the trenches of that problem, someone who has will outrun you.” ⁴

What Founders Say

“Jane’s feedback on our API design was more useful than most of the feedback we got from our own engineering advisors. She thinks like a platform builder because she was one.” – Priya Kapoor, CEO of Ledgerly ⁷

“When we had a critical outage three weeks after closing the seed, Jane was the first investor to text me – not to ask what happened, but to ask how she could help. She connected us with an SRE from her Stripe network that same night.” – Carlos Mendez, CTO of Vaultkey ⁸

“She’s direct in a way that’s rare. When our pricing model wasn’t working, she didn’t sugarcoat it. She pulled up benchmarks from three comparable companies and walked us through what needed to change.” – Aisha Okafor, CEO of NomadPay ⁹

Sources