Senior Software Engineer
New York, NY or Remote | Full-time | Salary + Benefits
About Collectors Card
Collectors Card is building the first rewards credit card designed specifically for collectors. We're creating a platform that turns everyday spending into collectible-focused rewards including cash back, grading discounts, exclusive drops, and vaulting benefits that let cardholders use their collections as collateral for enhanced rewards and lower APRs. We are pre-launch, have a waitlist that is growing rapidly, and a very strong team with experience to bring this to market.
The Role
We're seeking our first engineering hire to architect and build our entire platform from the ground up. You'll own all technical decisions, design our system architecture, and build the core infrastructure that powers our credit card program and mobile app. This role combines deep backend systems work with full-stack responsibilities across our entire product.
What You'll Do
Platform Architecture & Backend
Design and build our core platform from scratch, including user management, transaction processing, rewards engine, and vaulting systems
Integrate with card issuing APIs (Stripe Issuing, Highnote) to power our credit card program
Build secure, compliant systems for handling financial data and meeting PCI requirements
Design scalable APIs to support mobile app and web interfaces
Full-Stack Development
Work across the entire stack from backend services to mobile app integration
Build admin dashboards and internal tools for operations and customer support
Collaborate on mobile app development and API integration
Implement real-time features for transaction notifications and rewards tracking
Technical Leadership
Make all foundational technology decisions including tech stack, infrastructure, and development practices
Establish engineering culture, coding standards, and development processes
Set up monitoring, deployment pipelines, and operational systems
Future responsibility for hiring and mentoring additional engineers as we scale
What We're Looking For
Experience & Skills
5+ years of software engineering experience with significant backend/systems focus
Experience in fintech, payments, or similarly regulated industries
Strong background in building scalable APIs and distributed systems
Proficiency in modern backend technologies (Node.js/TypeScript, Python, or similar)
Experience with cloud platforms (AWS, GCP) and infrastructure-as-code
Understanding of database design, security best practices, and compliance requirements
Fintech Domain Knowledge
Experience with payment processing, card issuance, or banking systems
Familiarity with financial regulations and compliance (PCI, KYC/AML)
Understanding of credit card transaction flows and authorization systems
Previous work with fintech APIs (Stripe, Plaid, banking-as-a-service providers)
Founding Team Qualities
Proven ability to take ownership of ambiguous, large-scope projects
Experience building products from zero to one
Strong communication skills and ability to work directly with founders
Entrepreneurial mindset with bias toward action and rapid iteration
Interest in collectibles market and understanding of collector behavior
Why Join Us
Ground floor opportunity: Shape our entire technical foundation and product direction
Technical ownership: Make all major technical decisions and build exactly what you think is right
Growth potential: Clear path to engineering leadership as we scale the team
Mission alignment: Build for a passionate community of collectors with genuine product-market fit
Competitive package: Strong salary, significant equity stake, full benefits
To Apply
Email hello@collectorscard.com with:
Your resume
Your LinkedIn or GitHub profile
A quick note on what excites you about working on a fintech product for collectors
Briefly describe a backend system or API integration project you’ve worked on