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Cadre Inc

Full Stack Engineer (NYC/Onsite)

Cadre Inc, New York, New York, us, 10261

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Full-stack Software Engineer (3+ Years Experience) Affiniti (NYC, Onsite – Flatiron)

About Affiniti Affiniti is

automating financial operating systems for SMBs

— empowering small businesses such as community pharmacies and independent auto dealers with the same finance tools and automation large enterprises use. Their mission: unlock

$2.3T in potential revenue and cash flow for underserved Main Street businesses.

Founded in

2022 , Affiniti is one of the

fastest-growing early-stage fintechs

in the U.S., already serving

customers in all 50 states and Puerto Rico . The team is small but highly effective — just

10 employees — with deep product, engineering, and fintech expertise. Backed by

$28M in venture funding , Affiniti is scaling rapidly to bring modern financial infrastructure to America’s small business backbone.

What You’ll Do

Build, scale, and maintain Affiniti’s core financial automation platform used by thousands of SMBs nationwide.

Own end-to-end feature development across backend services, APIs, and front-end interfaces.

Design, optimize, and evolve

SQL database schemas

to ensure scalability and data integrity.

Collaborate with founders and cross-functional teammates to ship fast, iterate quickly, and deliver measurable value to users.

Operate in a fast-moving, high-ownership environment — you’ll shape technical architecture, product decisions, and engineering culture from the ground up.

What We’re Looking For

3+ years of experience as a

Full-stack Software Engineer , ideally with exposure to early-stage startups or high-growth environments.

Prior experience at a

VC-backed tech or SaaS company

or a

top quantitative firm .

Former

founding engineer or founder

experience strongly preferred — someone comfortable with ambiguity and scaling from zero to one.

Top 25 Computer Science undergraduate degrees

with strong academic fundamentals.

Completed

SWE internships

during undergrad (demonstrating consistent technical growth).

Deep proficiency in

JavaScript, TypeScript, Node.js, Express, and GCP .

Extensive experience designing and managing

SQL database schemas .

Strong communication and collaboration skills, with the ability to influence product direction and strategy.

Compensation & Details

Competitive salary and meaningful equity

Onsite in

Flatiron, NYC

(flexible hybrid options)

Opportunity to work directly with founders and shape the future of SMB financial systems

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