Fullstack Software Engineer (Node & React)

Location: New York City, Hybrid

Salary: $150–250k + Equity

Start Date: ASAP

Company:

Our client is one of the fastest-growing early-stage fintech startups in the US, automating financial operating systems for small businesses. Backed by a powerful mission and early traction, the company is using cutting-edge tech to rebuild trust and financial access for the tens of millions of small businesses, that need modern financial software that works for them.

Small businesses, such as community pharmacies and independent auto dealers, are the heart of the US economy. However, due to the rise of AI, A digital economy, private equity consolidation, and inflationary pressures, a massive operational gap is forming between these SMBs and larger enterprises / tech-forward industries. These larger companies employ full finance teams and leverage the latest finance software. Small businesses deserve the same resources.

This role is ideal for someone who wants to be early at a fintech Rocketship, close to product and customers, and have a transformative career experience. You’ll help rewrite the financial future of America’s SMBs — and be deeply proud of what you’ve built.

About the Product:

The platform is transforming how SMBs manage finances. By combining automation, data intelligence, and embedded finance, they’re closing the gap between legacy spreadsheets and the sophisticated tools used by large enterprises.

Think: vertical SaaS + fintech infra + AI-powered insights, purpose-built for businesses like community pharmacies and auto dealers that are grinding it out daily without the tools they deserve.

Funding & ARR:

Achieved a $17 million Series A, 6 months after Seed funding. Achieved $7 million in ARR with a team of 10 people in 15 months.

About the Team:

The company is led by two founders from UC Berkeley, who have already had success with founding and investing into companies, who have built relationships with business owners from the ground up, earning their trust in a sector plagued by scepticism. Now, they’re partnered with influential trade associations across the country, to onboard their clients with the entities that will support them. They are operating in all 50 states (plus Puerto Rico), with concentration in states like Tennessee, Oklahoma, and Missouri.

The team is currently 10 people and operates in-person from a beautiful Flatiron-based office in NYC. They’re hands-on, ambitious, and customer obsessed. This is a team that doesn’t punch the clock, just like their customers don’t. deep product immersion is part of the culture, and they pride themselves on doing what it takes to deliver.

If you’re looking for a cushy Big Tech gig, this isn’t it. But if you want to stretch yourself, grow fast, and build something that matters — this could be your career-defining moment.

About the Role:

As a Fullstack Engineer, you’ll be responsible for shaping the financial backbone of American SMBs by building the systems that unlock financial data and intelligence, automate work-flows, and co-pilot their decisions. Your expertise won't just be used to build software. It will empower the tens of millions of hard-working SMB owners across America.

Responsibilities:

• Own and lead full-stack development across the lifecycle: architecture, coding, testing, deployment, and production support.
• Collaborate closely with internal stakeholders and SMB customers to translate business challenges into robust technical solutions.
• Refine engineering tools, processes, and systems to scale productivity and improve quality.
• Play a key role in shaping the engineering culture and best practices.
• Contribute beyond engineering — we value builders who lean in on product, design, and business too.

Tech Stack:

• Frontend/Backend: JavaScript, TypeScript, React, Node.js, Express
• Infrastructure: AWS
• Other Tools: SQL, CI/CD pipelines, containerized microservices (Docker/Kubernetes a plus)

Your Experience:

• 2–15 years of experience as a Fullstack engineer with React & Node
• Strong foundation in CS (preferably from a top-tier school or equivalent experience).
• History of early-stage startup or founding engineer experience.
• Demonstrated experience shipping 0–1 products and architecting end-to-end solutions.
• SQL schema design and hands-on backend development are core strengths.
• Worked in environments with fast-paced iteration, ambiguity, and a deep customer focus.
• Passionate about the mission and long-term impact of empowering underserved business owners.

You will be a cultural fit if…

• You’ve had fast career progression (Senior/Staff-level growth early in your career).
• You have a high-ownership mentality, you treat code, product, and customer outcomes as your responsibility. You drive your own results and are proactive at solving problems.
• You thrive in high-accountability, high-reward environments.
• You want to work in person with driven peers to iterate fast, learn fast, and win fast.
• You’ve interned or worked at top-tier startups or tech companies.
• You’re relentlessly curious and think like a founder, you ask business questions and want to understand “why” just as much as “how.”
• You are an intelligent individual with analytical thinking, problem solving skills and can communicate eloquently.
• You want to push yourself, the company and the team to be the best and have the confidence to give your opinion on topics.

Benefits:

• Competitive salary & equity
• 100% employer-paid Health, Dental, and Vision insurance
• Relocation reimbursement to NYC
• Daily team-provided lunch & dinner (in-office)
• Paid tech setup (laptop, monitor, peripherals)
• Beautiful Flatiron office

Interview Process:

1. Intro Call with Co-Founder
2. Second Call with other Co-Founder
3. Technical Interview

• One focused on architecture and a case study with the engineering team
• Once focused on backend Design and coding

1. Final Pre-Offer Meeting

• Culture fit, Q&A, compensation alignment
• ✔️ Fast decision turnaround — you’ll know where you stand.