Staff Engineer – Trust & Vault

• Own the architecture of Trust & Vault across vaulting, authentication, optimization, account updater, and portfolio migration
• Set technical direction with versioned APIs and event-driven design
• Architect systems that tokenize, store, and retrieve raw card data within the PCI boundary
• Build and evolve 3DS/SCA and network tokenization authentication capabilities
• Design payment optimization capabilities to improve authorization and acceptance rates
• Design headless, PCI-compliant, bank-grade resilient systems
• Champion the You Build It, You Run It culture
• Design for multi-tenancy, elastic scaling, and automated observability
• Own microservices in production
• Mentor engineers and partner with Product, the CTO Office, and Staff Engineers across domains
• Deliver complex cross-team work
• Lead architecture of at least one core Trust & Vault capability within the first 6–12 months

• +8 Years of Experience
• Extensive software engineering experience
• Deep expertise in Go and/or Kotlin and strength across the full stack
• Proven track record architecting robust, scalable, and maintainable distributed systems
• Experience with event-driven platforms, APIs (gRPC/REST), and cloud-native or serverless architectures
• Experience building foundational platform capabilities or complex distributed systems
• Strong experience with AWS and cloud-native services (RDS, ECS, EKS, S3, and similar)
• Excellent unit, integration, and end-to-end automated testing practices
• Experience within Agile, DevSecOps, and CI/CD workflows
• Proven technical leadership, mentoring, technical vision, and complex cross-team project delivery
• Advanced English proficiency, written and spoken
• Preferred: PCI DSS card vaulting, tokenization, network tokenization, 3DS/SCA, account updater, payment optimization, payments or fintech experience, performance optimization, efficient algorithms, static analysis, code-quality tooling, and mature CI/CD pipelines
• Nice to have: new engineering practices across teams, open-source contributions or technical writing, Spanish proficiency

• Competitive Compensation
• Remote Work — you can work from everywhere
• Home Office Bonus — a one-time allowance to set up your ideal home office
• Work Equipment
• Stock Options
• Health Plan wherever you are
• Flexible Days Off
• Language, Professional, and Personal Growth courses