Senior Card Developer (Fintech)

TL;DR

Senior Card Developer (Fintech): Designing, developing, and deploying high-performance and scalable backend services using Go for a novel web2-web3 product bridging self-custodial crypto assets with global Visa acceptance. Focus on architecture, implementation, and rollout of Gnosis Pay to clients, and integrating with card scheme rails.

Location: Remote, work from Portugal or Germany

Company

Gnosis Pay provides API and card-program infrastructure enabling wallets, fintechs, and businesses to issue stablecoin-powered payment cards and create custom payment flows.

What you will do

• Design, develop, and deploy high-performance and scalable backend services using Go.
• Develop and maintain RESTful APIs and integrate with payment platforms like Formance ledger and WorkOS.
• Apply Domain-Driven Design (DDD) principles and contribute to system architecture.
• Collaborate with product managers and designers to translate requirements into technical solutions.
• Troubleshoot and resolve production issues effectively.
• Provide guidance in the migration from TypeScript to Go for backend development.

Requirements

• 6+ years of proven experience in software development with a strong focus on backend, ideally in Fintech or Payments.
• Proficiency in Go.
• Hands-on experience integrating with and operating card scheme rails (e.g., Visa), including scheme rules, message flows, and real-world production issues around authorizations, clearing, settlement, and disputes.
• Familiarity with best practices, standards, and requirements of the payments industry.
• Passion for building innovative financial products and working at the intersection of traditional finance and blockchain.

Culture & Benefits

• Personal education budgets and conference allowances for professional development.
• Dedicate Friday afternoons to research or side projects within the ecosystem.
• Flat hierarchy where ideas and contributions are valued.
• Flexible and remote working schedules with a long-standing remote culture.
• Latest hardware and all necessary tools provided.
• Opportunities for significant impact as Gnosis expands.
• Join a team passionate about its mission and driven by a shared goal.