Founder's Associate, Strategy Team

Flex is building the AI-native private bank for business owners .

Were re-architecting the entire financial system for entrepreneursfrom the first dollar a business earns to how that value compounds moves and is ultimately spent in real life. Banking credit payments personal finance and financial operationsrebuilt from the ground up as a single intelligent system. Flex is the full financial home for ambitious owners.

Since launching publicly in September 2023 Flex has scaled from zero to nine-figure annualized revenue with a clear path to profitability by late 2026 . We move fast ship relentlessly and operate with extreme ownership.

Our customers are affluent business owners ($3$200M in revenue) the backbone of the economy and one of the most underserved segments in finance. Theyre stuck with outdated banks and fragmented tools. Were replacing all of it. The opportunity is massive: a $1T revenue market hiding in plain sight. Our ambition is to build a $100B company by delivering a product that is fundamentally betternot incrementally improved.

Flex has raised $100M in equity and $300M in debt.

- Mission-critical problems : We build software that directly controls how money moves at scale.

- High bar low ego : Small teams exceptional people real ownership.

- Speed over comfort : We prioritize execution quality clarity and results.

- Enduring impact : What were building will define how a generation of owners runs their businesses.

Team & Locations

We hire exceptional people who want to build hard things and see their work matter immediately. Roles are available in: San Francisco Miami New York and fully remote.

Flex Fuels Ambition.

About the Role

This is a new program and the chance to be part of the founding team of the Office of the CEO. Were creating a small team of high-caliber operators working directly for our Founder & CEO on whatever the companys highest-priorities are. It is not a rotational program or a fixed analyst lane scope is set by what the company needs solved not by a job description. You will be the one to help identify what these opportunities are.

What Youll Do

• Take on the CEOs highest-priority problems directly strategic projects market research and competitive work financial analysis and cross-functional execution often with no existing playbook

• Identify problems develop solutions and execute them; often working on multiple initiatives

• Build and own the models and analyses that inform major company decisions

• Collaborate with and move fluidly across various departments as business priorities shift

• As the early stages of this team grows you will help recruit ramp and manage the associates who join after you

Requirements

• 35 years in top-tier investment banking (TMT/fintech coverage) private equity management consulting late-stage venture capital or a fast-growing startup

• A track record of outperformance clear signals you were trusted with more scope faster than your peers

• Strong quantitative and analytical skills: advanced Excel working knowledge of SQL and comfort dissecting messy data and building models from scratch

• Extreme rigor and comfort operating in ambiguity at speed priorities here change faster than the plan does

• Demonstrated ability to sustain a high-intensity pace: this role will regularly require 12-hour days 56 days a week especially in year one

• This role is based in Miami or NYC but will involve travel

Nice to Haves

• Ideal background in math physics or another highly quantitative field

• Understanding of fintech banking or financial infrastructure

$200000 - $200000 a year

The starting base salary for this role is $200k equity. This is a full-time role with benefits. Final compensation is commensurate with candidate experience work location and interview performance.

Why Join Us

Build something generational Capture the full lifecycle of money for ambitious business owners.

Work on real money real risk Payments credit and banking at serious scale.

Solve hard problems AI underwriting compliance and global finance from first principles.

True ownership Small teams high trust real accountability.

Founder-level exposure Direct access to leadership customers and investors.

High bar high taste Move fast without cutting corners.

Elite peers People here are builders not tourists.

Real upside Meaningful equity if you help build something big.

Flexbase Technologies Inc.

Required Experience:

Founder