Founder's Associate, Strategy Team

Flex AI-native Private Bank for Business OwnersFlex is building the AI-native private bank for business owners. We're 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. They're stuck with outdated banks and fragmented tools. We're 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 we're building will define how a generation of owners runs their businesses.Team & LocationsWe 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.About the RoleThis is a new program and the chance to be part of the founding team of the Office of the CEO. We're creating a small team of high-caliber operators working directly for our Founder & CEO on whatever the company's highest-priorities are. It is not a rotational program or a fixed analyst lanescope 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 You'll DoTake on the CEO's highest-priority problems directlystrategic projects, market research and competitive work, financial analysis, and cross-functional execution, often with no existing playbookIdentify problems, develop solutions, and execute them; often working on multiple initiativesBuild and own the models and analyses that inform major company decisionsCollaborate with and move fluidly across various departments as business priorities shiftAs the early stages of this team grows, you will help recruit, ramp, and manage the associates who join after youRequirements35 years in top-tier investment banking (TMT/fintech coverage), private equity, management consulting, late-stage venture capital, or a fast-growing startupA track record of outperformanceclear signals you were trusted with more scope, faster, than your peersStrong quantitative and analytical skills: advanced Excel, working knowledge of SQL, and comfort dissecting messy data and building models from scratchExtreme rigor and comfort operating in ambiguity at speedpriorities here change faster than the plan doesDemonstrated ability to sustain a high-intensity pace: this role will regularly require ~12-hour days, 56 days a week, especially in year oneThis role is based in Miami or NYC but will involve travelNice to HavesIdeal background in math, physics, or another highly quantitative fieldUnderstanding of fintech, banking, or financial infrastructure$200,000 - $200,000 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 UsBuild something generationalCapture the full lifecycle of money for ambitious business owners.Work on real money, real riskPayments, credit, and banking at serious scale.Solve hard problemsAI, underwriting, compliance, and global finance from first principles.True ownershipSmall teams, high trust, real accountability.Founder-level exposureDirect access to leadership, customers, and investors.High bar, high tasteMove fast without cutting corners.Elite peersPeople here are builders, not tourists.Real upsideMeaningful equity if you help build something big.