The Opportunity

ModernFi is seeking software engineers to build the foundation of the platform that powers banks and credit unions nationwide. From day one, you will have significant ownership and the opportunity to shape the direction of our platform, our engineering culture, and the broader trajectory of the company. As a member of a talented and collaborative team, you will design and build the systems at the core of how ModernFi operates.

Your work will be instrumental in building the products that help banks and credit unions better serve their communities, improving financial health nationwide. This role offers the opportunity to build impactful solutions with real autonomy, work on mission-critical systems, grow your technical expertise, and influence how the team builds as we scale during a period of rapid growth.

We are hiring across levels (mid-level, Senior, and Staff), and your level will be determined during the interview process based on your technical performance.

At ModernFi, your work will directly fuel our vision and mission to serve as systemically important financial infrastructure that drives the American economy and to empower our partner financial institutions to grow and better serve their communities.

The Role

Responsibilities

• Design and build scalable, maintainable, and correct backend services to support ModernFi’s core products and bank integrations.
• Lead or contribute to technical initiatives, with opportunities to define architecture, lead projects, and mentor teammates.
• Partner closely with Product to define requirements, translate business needs into technical specs, and ship elegant, impactful features.
• Uphold and evolve engineering best practices, including code quality, testing, CI/CD pipelines, and documentation.
• Participate in design discussions, conduct code reviews, and contribute to technical decisions that scale with our business.
• Tackle challenging technical problems with innovative and pragmatic solutions.
• Help cultivate an inclusive, high-performing engineering culture grounded in trust, ownership, and collaboration.

Tech Stack

• Python (FastAPI, SQLAlchemy), Typescript
• Retool (React, Vite, Tailwind)
• PostgreSQL Database
• AWS / Pulumi IaC
• Tools: Auth0, Datadog, Fern

About You

• Proven ability to independently design, develop, and maintain backend systems.