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Software Engineer - Frontend - Payments

Job Overview

Location

United Kingdom

Job Type

Full-time

Category

Software Engineer

Date Posted

July 21, 2026

Full Job Description

đź“‹ Description

  • • We are seeking an experienced Senior Software Engineer to join our growing Payments & Blockchain team to be focused on our payments systems.
  • • As a member of this team, your focus is on protecting client funds. You will be responsible for building systems that communicate with various blockchains to enable the timely processing of client transactions, while also ensuring the safety and security of all funds on the exchange.
  • • 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

🎯 Requirements

  • • 5+ years of experience in software development, with a focus on web and mobile applications
  • • Deep understanding of JavaScript/TypeScript and proficiency with React and React Native frameworks
  • • Experience with Next.js, RESTful APIs 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
  • • Strong written and verbal communication skills in English

🏖️ Benefits

  • • Competitive salary
  • • Comprehensive benefits package
  • • Opportunities for professional growth and development
  • • Collaborative and dynamic work environment
  • • IMPORTANT CATEGORIZATION:
  • • We have categorized this job posting as 'Software Engineering' because the job title 'Software Engineer' and the description clearly mention software development, React.js, and other relevant technologies.
  • • IMPORTANT LOCATION EXTRACTION:
  • • city: London
  • • region: England
  • • country_code: GB
  • • is_remote: false

Skills & Technologies

JavaScript
TypeScript
React
Next.js
REST
Frontend
Onsite

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About Kraken

Kraken is a global cryptocurrency exchange established in 2011, offering spot and futures trading for Bitcoin, Ethereum and 200+ digital assets. Headquartered in San Francisco with entities worldwide, it serves retail and institutional clients, providing custody, staking, an NFT marketplace and OTC desk. The platform emphasizes security, regulatory compliance and educational resources.

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