[Remote] Fullstack Engineer - Custody at Kraken

United Kingdom

Kraken Logo
Not SpecifiedCompensation
Junior (1 to 2 years)Experience Level
Full TimeJob Type
UnknownVisa
Cryptocurrency, FintechIndustries

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 development practices

Responsibilities

  • 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

Skills

Backend Development
Custody
Security
Key Management
Wallet Orchestration
Transaction Pipelines
Compliance Systems
Scalable Services
Performance

Kraken

Cryptocurrency exchange for buying and trading

About Kraken

Kraken is a cryptocurrency exchange platform that allows users to buy, sell, and trade various digital assets. It offers features that cater to both beginners and experienced traders, making it easy to navigate the cryptocurrency market. Users can execute trades with high liquidity, which means their transactions are completed quickly. The platform charges low transaction fees, sometimes as low as 0%, helping users keep more of their profits. Kraken also provides advanced charting tools to help investors track their investments effectively. Security is a major focus, with multiple protective measures in place to keep user assets safe. The platform supports 70 different asset pairs and is continuously expanding its offerings. Additionally, Kraken offers 24/7 global support to assist users with any questions or issues.

San Francisco, CaliforniaHeadquarters
2011Year Founded
$108.5MTotal Funding
SERIES_CCompany Stage
Crypto & Web3, Financial ServicesIndustries
501-1,000Employees

Benefits

Competitive salary and equity plan
401k contribution plan
Vacation & Generous PTO
Paid Tranings

Risks

Increased competition from Binance and Coinbase could impact Kraken's market share.
Regulatory scrutiny in the EU may raise Kraken's compliance costs.
The volatility of cryptocurrency prices can affect Kraken's revenue from transaction fees.

Differentiation

Kraken offers both spot and futures trading for over 40 digital assets.
The platform provides advanced charting tools for professional traders and technical analysts.
Kraken's 24/7 global support ensures assistance for users at any time.

Upsides

Kraken's acquisition of Staked enhances its staking services for consumers and institutions.
Sponsorship deals with major soccer clubs boost Kraken's visibility and brand recognition.
The rise of crypto derivatives attracts advanced traders to Kraken's sophisticated tools.

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