Software Engineer

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

Requirements

• Proven ability to independently design, develop, and maintain backend systems.
• Strong understanding of software engineering principles, with tangible experience writing high-quality, production-ready code.
• Experience leading or contributing significantly to complex engineering projects (for more senior candidates).
• Excellent communication skills with the ability to explain technical concepts clearly to both technical and non-technical audiences.
• Comfortable operating in a fast-paced, dynamic environment with shifting priorities.
• High level of empathy, integrity, and calmness under pressure.
• 4+ years of software engineering experience (flexible depending on level), ideally with Python, AWS, or similar modern technologies.
• Interest in financial systems and the opportunity to work on meaningful problems with real-world impact.

Benefits

• Generous salary, unlimited PTO, 401(k), and premium health, dental, and vision insurance.
• Significant equity as an early hire.