About FlexFlex is building the AI-native private bank for business owners.We’re re-architecting the entire financial system for entrepreneurs—from 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 operations—rebuilt from the ground up as a single, intelligent system.Since launching publicly in September 2023, Flex has scaled from zero to nine-figure annualized revenue, with a clear path to profitability by late 2025. 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 They’re stuck with outdated banks and fragmented tools.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 better—not incrementally improved. Flex has raised $100M+ in equity and $300M+ in debt.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.Flex Fuels Ambition🕺About the RoleWe're looking for a Software Engineer II to help build product features that power financial services. You'll work on systems that handle payments, credit, and other core products that our customers rely on daily to drive business operations.What You’ll DoOwn the full lifecycle of medium-sized features and tasks across our product stackBuild user-facing features, internal tools, APIs, and backend servicesWrite clear, maintainable, and tested code that you'll be responsible for long-termParticipate in code reviews and provide timely feedback to teammatesBuild features with the end product and user in mind, not just the codeReason carefully about how your work extends in service of larger product needsBuild upon systems and features that others depend onBalance speed with reliability and compliance in a regulated environmentCollaborate with other engineers and product team members to deliver high-impact workWhat Makes You a Great FitHave strong fundamentals in software development and ability to work effectively within established systemsProduct sense—you think about the user impact and business value of your workAbility to take responsibility for the maintenance and quality of what you buildExperience with financial services, regulated industries, or handling sensitive data is a plus but not requiredAbility to research and proactively solve problems, bring solutions to the tableEnglish proficiencyA strong work ethicTechnical environment: We primarily use Typescript, PostgreSQL, and GCP. We are building in a monorepo with a lean towards rapid value creation through trunk based development. Deploying to production 3-5 times a week is the average velocity of a team member.What matters to us: We value ownership, product sense, and clear communication. You should be someone who thinks beyond just shipping code to understanding the impact on users and the business. We're a small team, so everyone wears multiple hats and jumps in where needed.Salary Range$35,000 - $55,000 a yearWhy Join UsFlex is growing quickly — you’ll help shape the direction of a product and company with real momentum.We’re well-capitalized with strong backing and a clear long-term vision.You’ll work with a sharp, driven team that values autonomy, clarity, and quality.Join ambitious builders who care deeply about winning together — and having fun while doing it.Annual team on-sites. From Bogota to Mexico City, the entire Flex team gets together once a year to align and build camaraderie.AI DisclaimerWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.Apply
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