Fullstack Engineer

Summary

Join Kraken, a leading cryptocurrency company, and become a Backend Integrations Engineer. Design and implement scalable backend services integrating with banking APIs, payment processors, and blockchain networks. Build and maintain user-friendly frontend interfaces using React and React Native. Develop reusable libraries and APIs to streamline system interactions. Own and evolve critical components of Kraken's financial infrastructure, ensuring auditability and compliance. Collaborate with cross-functional teams and monitor production systems for reliability. This fully remote position offers the opportunity to work at the intersection of crypto and fiat, building the future of finance.

Requirements

• 3+ years of software engineering experience, with a focus on backend systems and exposure to frontend development
• Proven ability to write clean, production-grade TypeScript/Node.js services and React/React Native applications
• Experience working with financial platforms, banking integrations, or other regulated systems at scale
• Solid understanding of distributed systems, event-driven architectures, RPC protocols, and streaming data pipelines (e.g. Kafka)
• Security-first mindset when designing and deploying systems that handle sensitive financial data
• Comfortable debugging issues across the entire stack — from frontend performance to backend infrastructure
• Strong communication and collaboration skills to work effectively with cross-functional teams
• Ownership mentality with a passion for delivering high-quality, reliable financial systems

Responsibilities

• Design and implement scalable backend services that integrate with banking APIs, payment processors, blockchain networks, and internal financial systems
• Build and maintain intuitive frontend interfaces using React and React Native for both internal tools and customer-facing experiences related to financial operations
• Develop reusable libraries, APIs, and tooling that streamline interactions between systems, platforms, and stakeholders
• Own and evolve critical components of Kraken’s financial infrastructure
• Build robust workflows to ensure auditability, compliance, and financial accuracy across all integrated platforms
• Collaborate closely with stakeholders across Finance, Product, Compliance, and Engineering to understand requirements and deliver full-stack solutions
• Monitor production systems for reliability and performance, proactively addressing any issues across the stack
• Maintain strong unit and integration test coverage and deliver comprehensive documentation to support long-term maintainability and scalability

Preferred Qualifications

Experience in FinTech, crypto finance, or integrations with core banking, treasury, or accounting platforms