Senior Backend Developer / Systems Architect – Double-Entry Ledger & Stripe Integration We are looking for a Senior Backend Developer / Systems Architect to design and harden the financial backbone of a growing B2B SaaS platform. In this role, you will architect and evolve a double‑entry credit ledger system that powers credit purchases, user wallets, campaign balances, and financial reporting across our platform. You will transform an existing credit wallet and transaction system into a fully immutable, double‑entry transaction journal , ensuring every financial movement is traceable, auditable, and aligned with professional accounting standards. Your work will become the single source of truth connecting our internal admin suite, Stripe‑powered purchases and subscriptions, Shopify fulfillment flows, and internal accounting systems. HOW WE WORK ✅ Daily commits to ensure rapid iteration and continuous improvement. ✅ Autonomous problem‑solving, with a bias toward action. ✅ Honest and constructive feedback, fostering a culture of learning. ✅ Agile methodology, with short, incremental development cycles. WHO YOU ARE You think like a systems architect , not just a developer—you design backend systems that are scalable, reliable, and financially sound. You understand that financial systems require immutable transaction histories , not mutable balances. You enjoy working on high‑impact backend infrastructure where precision and data integrity matter. You are comfortable working across payments, financial data models, and backend architecture . You are excited by the challenge of designing systems that integrate Stripe, Shopify, SaaS billing models, and internal accounting tools . You take ownership of complex technical problems and enjoy creating elegant solutions that improve long‑term system reliability. WHAT WE OFFER USD Salary Compensation 100% Remote Work – Work from anywhere! Impactful Platform – Help build the financial backbone of a platform powering meaningful global initiatives.