Senior Software Engineer

Summary

Join Kraken's Payments & Blockchain team as a Senior Software Engineer and contribute to the future of crypto payments. You will design, develop, and maintain high-quality payment processing systems, focusing on security and user experience. This fully remote role requires 6+ years of software development experience with expertise in React Native, API design, and frontend technologies. You will work with various blockchains to ensure timely and secure transaction processing. The ideal candidate possesses strong communication skills and a deep understanding of financial systems. Kraken offers a collaborative environment and the opportunity to shape product decisions within a fast-growing company.

Requirements

• 6+ years of experience in software development, with a focus on web and mobile applications
• Deep understanding of JavaScript/TypeScript and proficiency with React Native frameworks
• Strong experience of API design, security, and performance optimization
• Experience with Next.js and WebSockets
• Experience with frontend testing frameworks
• Familiarity with modern front-end build pipelines and tooling
• Strong understanding of UI/UX best practices and principles
• Experience within a large technology organization or fast growing startup
• Hands-on experience in consumer payments, crypto or fintech mobile applications
• Strong written and verbal communication skills in English

Responsibilities

• Design, develop, and maintain high-quality payment processing systems using React.js and other relevant technologies
• Build and refine seamless transaction experiences that optimize fund transfers for speed, security, and reliability
• Ensure an efficient and intuitive onboarding experience for users interacting with payment systems, reducing friction and improving trust
• Develop innovative features that enhance engagement, retention, and loyalty within the payments ecosystem
• Set the standard for high-quality, secure code and lead the development of complex financial software systems
• Influence technical decisions, contribute to strategy discussions, and shape product/domain decisions with a deep understanding of financial systems and security best practices
• Mentor engineers, foster a culture of technical excellence, and drive process improvements in financial software development
• Design and implement scalable, maintainable, and fault-tolerant financial systems, ensuring compliance and security best practices

Preferred Qualifications

• Familiarity with native mobile app development (iOS/Android)
• Knowledge of the cryptocurrency industry and blockchain technology