Payment Engineer

Role overview Develop backend services and infrastructure for payment processing, with responsibility for routing transactions, connecting to payment providers, and supporting reliable, secure operations. The work includes high-volume data handling, real-time event processing, and fraud and risk controls, with a stated availability target above 99.9%.

Responsibilities - Design transaction routing and fallback behavior across payment providers. - Build APIs and integrations for payment processors. - Implement security controls and support PCI DSS compliance. - Develop webhook handling and event-driven payment notifications. - Improve database performance for high-volume transactions. - Contribute to fraud detection, risk management, and payment service reliability.

Requirements - Backend development skills in Node.js with TypeScript or Python. - Experience with PostgreSQL or another relational database and REST API design. - Familiarity with payment provider APIs, payment flows, and card processing. - Knowledge of PCI DSS requirements, webhook processing, and event-driven design. - Experience with Docker, Git, CI/CD, and basic Linux or Unix administration. - A security-minded approach, strong problem-solving skills, and experience building scalable systems.

Nice to have - Three or more years in backend or full-stack development, especially in financial technology or payments. - Cloud platform experience, Redis, message queues, and observability tools. - Exposure to recurring or international payments, high-risk processing, alternative payment methods, or cryptocurrency integrations. - Experience with performance tuning, Kubernetes, or open-source fintech projects.

Benefits and work setup - Full-time remote role aligned to Europe or US time zones. - Advertised base salary of $90,000–$140,000 per year, plus an annual performance bonus. - Health, dental, and vision coverage; a MacBook Pro and $2,000 equipment budget; and a $2,500 annual learning budget.