At MassMutual Ventures, we are fortunate to have been early and long-term partners to our portfolio of category-defining businesses that are located across the globe. Learn more about their available opportunities below.
Y Combinator
We are building the next-generation accounting and finance platform to enable lean finance teams to run massive enterprises.
We have raised over $21M from top-tier investors including : YC, YC Continuity, Valar Seedcamp, WndrCo, Moonfire, Bradley Horowitz (VP Product, Google) and more.
We are helping thousands of companies to streamline their financial workflows and we have hundreds of 5/5 ratings on G2.
Our founding team previously worked at Europe's fastest growing fintech , Revolut.
As a Product Founder , you’ll be responsible for building new products from the ground up and taking them from 0 to 1 —driving non-linear growth and shaping the future of our platform.
This role is perfect for a former founder or someone with an unstoppable entrepreneurial drive who thrives on creating products from scratch.
What you will do:
Build and launch new products from scratch, taking them from idea to market.
Own your product as a business line — you have full P&L responsibility.
Lead a team of engineers and designers to bring your vision to life.
Move fast and iterate — test, learn, and refine at lightning speed.
Who you are:
Deeply entrepreneurial —you love building and selling.
Proven track record of launching and scaling products from the ground up.
Ideally, a former founder (even if your startup didn’t succeed).
Thrives in uncertainty and moves forward without all the answers.
Strong intuition and judgment —you trust yourself to make big calls.
You report directly to Lasse, CEO/Founder.
📍 Location: New York or San Francisco/Bay Area.