Flex is a growth-stage, NYC headquartered FinTech company that is building the payment layer for life's financial obligations, giving households one place to see, split, and pay their bills around how they live and get paid. By offering greater choice over how and when payments are made and allowing eligible on time payments to help build a positive credit history, Flex puts households back in control of their cash flow.

That work brings together people with different perspectives who challenge the status quo and take ownership of solving difficult problems. For you, that means doing the best work of your career next to people who make you better, and together bringing ideas to life that make a real impact for the people we serve.

About the Job

Flex is a growth-stage, NYC-headquartered FinTech company building the payment layer for life’s financial obligations—giving households one place to see, split, and pay their bills around how they live and get paid. By giving people greater choice over how and when they pay, and helping eligible on-time payments build a positive credit history, Flex puts households back in control of their cash flow.

Building on our roots in rent, we’re expanding into a broader consumer bill management platform that helps people manage essential spend and align payments with their finances. Our Consumer engineering team within the New Verticals division is at the forefront of this expansion, building a new business line within Flex. We’re looking for motivated leaders who thrive in ambiguity, turn new ideas into products, and help shape how millions of people manage their financial lives.About the Role

We are looking for an experienced Senior Engineering Manager to own consumer engineering teams within the New Verticals division. These teams partner closely with the product and the business to deliver high quality and delightful user experiences and the systems that power them.

You will own multiple workstreams that tie directly to critical business KPIs. You will work closely with product managers to drive delivery of their workstreams with your team of highly adaptable, AI-enabled engineers who reside in the Consumer organization but range across the entire Flex system as necessary.

You will serve as a key technical partner to Product, business leadership, and cross-functional teams (such as Lifecycle Marketing (LCM), Legal & Compliance, and Risk) to drive outcomes across your workstreams. You will also represent Consumer engineering and New Verticals in Flex-wide architecture and quality initiatives, ensuring we build solutions that scale across Flex as a whole.

Our Engineering Teams

Consumer Engineering: Builds the APIs and backend systems powering Flex’s consumer-facing mobile and web apps. This team focuses on delivering high quality, delightful and trustful customer experiences.
Partner Integrations Engineering: Owns the backend services and integrations that connect Flex to financial partners and payment networks, ensuring secure, reliable payment flows and partner-facing experiences.
Core Platform Engineering: Maintains the backend services and infrastructure supporting all business features, including Payments, Ledger, Identity, and Settlement, providing the foundation for all of Flex’s products.

What You’ll Do

Technical Leadership

Define and execute the consumer architecture supporting New Verticals’ expansion into essential spend.
Partner with engineering leaders across Flex to align technical decisions, reuse shared capabilities, and build systems that scale across business divisions.
Guide design reviews and make high-impact technical decisions, balancing speed of experimentation with long-term maintainability.
Ensure reliability, data integrity, and financial correctness across consumer workflows.

Execution & Delivery

Partner with Product and business leadership to shape initiatives and connect engineering investments to customer value and business outcomes.
Lead large, ambiguous projects from early exploration through launch and scale.