Founder's Associate, Strategy Team

The role

You will work directly for the Founder and CEO as part of a new team called the Office of the CEO. You will take on the company's highest-priority problems, including strategy, market research, financial analysis and cross-functional execution.

What you will do

• Take on the CEO's highest-priority problems directly, including strategic projects, market research and competitive work, financial analysis, and cross-functional execution
• Identify problems, develop solutions, and execute them, often on multiple initiatives at once
• Build and own the models and analyses that inform major company decisions
• Work across departments as business priorities shift
• As the team grows, help recruit, ramp and manage the associates who join after you

Required qualifications

• 3 to 5 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, with clear signs you were trusted with more scope, faster, than your peers
• Strong quantitative and analytical skills: advanced Excel, working knowledge of SQL, and comfort building models from scratch and working with messy data
• Extreme rigor and comfort operating in ambiguity at speed
• Ability to sustain a high-intensity pace, including about 12-hour days, 5 to 6 days a week
• Based in Miami or NYC, with travel

Nice to have

• Background in math, physics, or another highly quantitative field
• Understanding of fintech, banking, or financial infrastructure

Benefits

• Meaningful equity if you help build something big
• Founder-level exposure, with direct access to leadership, customers and investors
• Work on real money and real risk at serious scale
• Small teams, high trust and real accountability

Before you apply

• This is a new program with no fixed analyst lane; scope is set by what the company needs

About the company

Flex is building AI-native financial services for business owners, covering banking, credit, payments, personal finance and financial operations. It launched publicly in September 2023 and has raised $100M+ in equity and $300M+ in debt.