Software Engineer – Frontend, Payments

Kraken Digital Asset Exchange

Senior Software Engineer developing payment processing systems at Payward. Building secure, reliable solutions for seamless fund transfers using React.js and modern tech stacks.

Posted 7/20/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing high-quality payment processing systems using React.js, JavaScript, and TypeScript, while ensuring compliance with security best practices. Proven ability to mentor engineers and influence technical decisions within financial software development.

Highest-signal resume keywords

React.js DevelopmentJavaScript/TypeScript ProficiencyPayment Processing SystemsUI/UX Best PracticesMentorship in Software Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

React.jsJavaScriptTypeScriptNext.jsRESTful APIsWebSocketsFrontend Testing FrameworksBuild PipelinesPayment Systems DevelopmentFinancial Software Development

Soft Skills

Strong Communication Skills

Industry Keywords

Payment ProcessingFinancial SystemsSecurity Best PracticesUser OnboardingTransaction Experience

Tech Stack

Tools & technologies

JavaScriptNext.jsReactReact NativeTypeScript

About the role

Key responsibilities & impact

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

What you’ll need

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

Comp & perks

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As an equal opportunity employer, we don't tolerate discrimination or harassment of any kind.