Senior Full Stack Engineer (Checkout)

Accountabilities:

• Design, build, and maintain backend systems powering checkout and transaction flows, including sessions, quotes, provider integrations, status handling, and recovery processes.


• Develop scalable integration patterns for external providers such as payment services, exchanges, and on-ramp platforms while ensuring a consistent user experience.


• Define and maintain reliable backend contracts between frontend interfaces, provider systems, and execution infrastructure.


• Build and improve long-running transaction workflows with strong attention to observability, resilience, failure handling, and recovery mechanisms.


• Contribute to frontend development when required, particularly around UI states tightly coupled with backend workflows and APIs.


• Collaborate with cross-functional engineering teams to ensure architectural consistency and seamless integration across products and services.


• Participate in technical discovery, system design discussions, and roadmap planning for future checkout and payment-related capabilities.


• Continuously improve performance, maintainability, and scalability across distributed services and user-facing components.

Requirements

• Strong professional experience in backend engineering using Node.js and TypeScript, combined with full-stack capabilities using React and TypeScript.


• Proven expertise integrating external APIs and managing provider-specific edge cases in complex asynchronous systems.


• Solid understanding of distributed systems, observability, recovery flows, and resilient backend architecture.


• Working knowledge of Web3 technologies, including blockchain transactions, wallets, DEX aggregators, and related ecosystem concepts.


• Experience with modern development environments and infrastructure tools such as Docker, Kubernetes, AWS, MongoDB, Redis, and GitOps workflows.


• Familiarity with frontend libraries and frameworks such as React, viem, wagmi, or similar technologies is a plus.


• Strong communication and collaboration skills, with the ability to work independently across multiple teams and codebases.


• Comfortable operating in fast-paced, high-growth, and highly iterative product environments.


• Passion for crypto, fintech, payments, or decentralized technologies is highly valued.


• Eligibility to work remotely within the EMEA region is required.

• Fully remote work environment with flexible working hours and location flexibility across the EMEA region.


• 30 days of paid time off annually.


• Equity participation from day one.


• Annual international team offsites in unique global destinations.


• Choice of work equipment and home office flexibility.


• One-time remote work budget to support office setup or coworking expenses.


• Annual professional development budget for continued learning and skill growth.


• Collaborative, transparent, and inclusive company culture focused on ownership, growth, and innovation.


• Opportunity to work on cutting-edge Web3 infrastructure with high technical impact and product ownership.

Deze vacature komt van ats_lever. Originele vacature bekijken ↗