Software Engineer

ModernFi; New York (NY); Hybrid; USD 120,000 - 210,000; Full time

Benefits offered by this job

Unlimited PTO

401(k)

Premium health, dental, and vision insurance

Equity opportunities

Job summary

A leading financial technology firm in New York is seeking software engineers to join their talented team. You will design, build, and maintain the foundational systems that power the company's products and integrations. The role requires 4+ years of experience in software engineering, particularly with Python and AWS. The firm values collaboration, impact, and personal growth, offering generous benefits including unlimited PTO and equity opportunities.

Qualifications

• 4+ years of experience in software engineering, ideally with Python and AWS.
• Strong understanding of software engineering principles.
• Excellent communication skills and proactive team player.
• Excellent communication across technical and non-technical audiences.

Responsibilities

• Design and build scalable backend services for core products.
• Lead technical initiatives and mentor team members.
• Collaborate with Product to translate needs into technical specs.
• Uphold engineering practices: code quality, testing, CI/CD, and docs.
• Participate in design reviews and technical decision-making at scale.
• Solve challenging technical problems with pragmatic solutions.
• Foster an inclusive, high-performing engineering culture.

Skills

Backend system design

Python

Software engineering principles

Communication skills

Team collaboration

Tools

FastAPI

SQLAlchemy

Typescript

PostgreSQL

AWS

Fern

Job description

The Opportunity

ModernFi is hiring software engineers to join a talented and collaborative team building the foundation of our platform. You’ll work on critical systems from day one, with meaningful ownership and the opportunity to shape the direction of our products and infrastructure.

You will join a talented and collaborative team to design, build, and maintain foundational systems that power ModernFi’s products and integrations. From day one, you’ll have significant ownership and the opportunity to shape the direction of our platform, engineering culture, and broader company trajectory.

We believe in hiring top talent and giving you the autonomy to build impactful solutions, while fostering a culture of collaboration and learning. You’ll grow your expertise, work on mission‑critical systems, and contribute to products that help banks and credit unions better serve their communities, improving financial health nationwide.

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

Responsibilities

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

Tech Stack:

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

About You

• 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.
• You’re a thoughtful IC who thrives on shipping great software, improving team practices, and supporting those around you.

About Us

The caliber and character of the ModernFi team set us apart.

We value competence and drive over experience and seek compassionate people with diverse backgrounds. We appreciate technical ability, dedication, and humble confidence. Above all, we value respect – respect for our colleagues, clients, partners, and ourselves.

Our team pushes each other to be better every day, supports each other when challenges arise, and grows together on this journey. Because we are a close‑knit team, we are selective and considerate with every hire.

The people at ModernFi could be doing anything in the world, yet they choose to be here.

Benefits

We offer a generous salary, unlimited PTO, 401(k), and premium health, dental, and vision insurance. As an early hire, you will have access to significant equity at a critical stage of the company’s growth.

The Process

During the recruitment process, you’ll meet the our leadership team and, provided conversations go well, will be invited to an onsite presentation.

We are excited to get to know you, learn about what motivates you, and ensure that we can accelerate your personal and professional growth.