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.
About the job
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
Python, FastAPI, Sqlalchemy, TypeScript, React, Postgres, AWS, Pulumi, Auth0, Datadog
Similar jobs
Backend Engineering jobs
Postman
Cupertino, CA
Build secure, scalable identity and access management platforms, APIs, and internal tooling using JavaScript, Node.js, React.js, and distributed-systems expertise. The role requires 5+ years of backend or distributed-systems experience and familiarity with authentication protocols is a plus.
Cribl
United States
Build backend systems and APIs that ingest, process, and route large-scale telemetry data in real time. The role requires strong computer science fundamentals, Node.js/TypeScript experience, distributed-systems knowledge, and ownership of reliable cloud software.
Censys
United StatesBuild and maintain highly available, scalable distributed systems, data pipelines, messaging systems, and services powering Internet intelligence products. The role requires 5+ years of distributed-systems experience and proficiency with Go, cloud platforms, databases, and messaging technologies.
Square
New York, NY
Build and maintain backend systems powering Cash App Taxes, translating complex federal and state tax requirements into reliable filing and e-file functionality. The role requires 4+ years of software development experience, strong system design skills, and a bachelor's degree or equivalent experience.
Figma
San Francisco, CABuild shared Ruby backend foundations for APIs, asynchronous jobs, workflow orchestration, and developer tooling. The role requires 5+ years of software engineering experience, including 3+ years with production Ruby systems, plus expertise in distributed systems and large codebases.