Fullstack Engineer – Custody

November 7

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Kraken Digital Asset Exchange

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Crypto • Finance • Fintech

Kraken Digital Asset Exchange is a cryptocurrency platform that facilitates the buying and selling of over 200 cryptocurrencies, including Bitcoin, Ethereum, and many others. Founded in 2011, Kraken provides a comprehensive suite of features for both beginner and advanced traders, such as advanced trading interfaces and margin trading. The platform emphasizes industry-leading security, deep liquidity, and 24/7 customer support, making it a trusted choice for users worldwide. Kraken caters to individual investors as well as institutional clients, offering services like OTC trading and custody. The company is committed to transparency with its proof of reserves and mission-driven values. Kraken operates globally, supporting clients in over 190 countries, with a quarterly trading volume exceeding $207 billion. However, users are advised of the high risk of crypto investments and the lack of regulation in some jurisdictions.

1001 - 5000 employees

Founded 2011

₿ Crypto

💸 Finance

💳 Fintech

📋 Description

• Collaborate with product managers, architects, and DevOps engineers to design and deliver secure, scalable, and high-performance custody solutions. • Build and maintain new backend microservices in TypeScript, Node.js, powering custody, staking, and wallet services. • Integrate with blockchain networks and external systems to support asset movements, transactions, and key management workflows. • Contribute to frontend applications built with React and Next.js, ensuring clear operational visibility and seamless user experience. • Develop event-driven systems using Kafka for real-time data processing and inter-service communication. • Write reusable, testable, and efficient code, maintaining high standards for performance, observability, and fault tolerance. • Collaborate across teams to design and optimize data models, APIs, and distributed architectures. • Participate in technical reviews, mentor other engineers, and take ownership of services throughout their full lifecycle — from RFCs and design to deployment and maintenance.

🎯 Requirements

• 5+ years of professional experience in fullstack or backend engineering within high-scale, high-availability systems. • Expert-level proficiency in Node.js and TypeScript, with hands-on experience using NestJS or similar frameworks. • Deep understanding of microservices, event-driven architectures, and CQRS/DDD design patterns. • Proven ability to design and deliver RESTful APIs and asynchronous event-based communication systems. • Strong experience with SQL databases and schema design for performance and reliability. • Solid understanding of React and modern frontend best practices. • Deep knowledge of state management (React Query, Context API, custom hooks). • Experience with Next.js, Tailwind CSS, and component-driven architecture. • Hands-on experience with Docker, CI/CD, and observability tools such as Prometheus and Splunk. • Excellent collaboration and communication skills — capable of working effectively in distributed, cross-functional teams.

🏖️ Benefits

• Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures