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Software Engineer

Builds scalable backend services and integrations for fintech platform using Python and AWS. Collaborates with product team on features, upholds best practices, and contributes to engineering culture. Requires 4+ years experience, ideally in Python/AWS.

150k – 220kNew York, NYBackend EngineeringOnsite4+ YOE

About 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

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.

Skills

PythonFastAPISqlalchemyTypeScriptReactPostgresAWSPulumiAuth0Datadog

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