Senior Fullstack Engineer, Payments

🕒 February 8

🇺🇸 United States – Remote

💵 $140k - $180k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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ALT

WebsiteLinkedInAll Job Openings

51 - 200 employees

At ALT, we’re on a mission to unlock the value of alternative assets, and looking for talented people who share our vision.

📋 Description

• Engineer Financial Integrity: Build and maintain our custom-built double-entry ledger system to ensure every cent is accounted for across the platform. • Own Lending Infrastructure: Design and scale our lending products—from the logic of credit disbursements to the automated lifecycle of loan management. • Architect Integrations: Design and implement robust integrations with payment gateways and banking partners, ensuring 99.99% reliability and seamless reconciliation. • Own the UX of Money: Create high-trust user interfaces for payments and lending that make complex financial actions feel simple, transparent, and secure. • Balance Rigor with Speed: Make thoughtful trade-offs between rapid feature shipping and the uncompromising correctness required for financial systems. • Be a Multiplier: Level up the team through rigorous code reviews, technical documentation, and mentorship.

🎯 Requirements

• 5+ years of experience with a heavy focus on backend systems (Python, Postgres, AWS) and a proven ability to build modern frontends (React, TypeScript) • Fintech or Payments experience: You’ve worked with ledgers, payment processors, or lending products and understand the complexities of moving money. • Database Mastery: You are an expert in SQL and relational database design—you know how to write a transaction that won't fail under load. • Fullstack Ownership: A track record of taking a complex financial feature from a technical design doc all the way to a polished UI in production. • Bonus: Experience with distributed systems, credit/risk modeling, or the alternative asset space.

🏖️ Benefits

• A seat at the table to help shape the future of Alt and the alternative asset space • Autonomy and ownership on projects that matter • $100/month work-from-home stipend • $200/month wellness stipend • WeWork office stipend • 401(k) retirement benefits • Flexible vacation policy • Generous paid parental leave • Competitive healthcare benefits, including HSA, for you and your dependent(s)