Senior Software Engineer - Frontend

Kraken

Get hot jobs first on Telegram

New positions appear faster in our channel

Location: United States
Job Type: full-time
Salary: $110.4K – $220.8K
Posted: February 13, 2026

Job Description

Building the Future of Crypto

Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology.

What makes us different?

Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world.

As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space.

Become a Krakenite and build the future of crypto!

Proof of work

The team

We are currently seeking an experienced Senior Software Engineer to join our growing Payments & Blockchain team to be focused on our payments systems. The Payments & Blockchain team is responsible for the first and last mile of every dollar (digital or fiat) that goes in or out of Kraken.

Join our Payments team to help integrate Kraken’s systems with an ever-expanding universe of payment providers.

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.

The opportunity

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

Skills you should HODL

6+ 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

Nice to haves

Knowledge of the cryptocurrency industry and blockchain technology

Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis.

Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.

We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgable about crypto!

As an equal opportunity employer, we don’t tolerate discrimination or harassment of any kind. Whether that’s based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.

🎯 Who is this job for?

This role is ideal for a Senior Frontend Engineer with 6+ years of experience and deep expertise in JavaScript/TypeScript, React, and React Native, preferably with exposure to Next.js and real-time systems (WebSockets). It suits someone comfortable building secure, high-performance payment flows, integrating with APIs and blockchain systems, and owning complex financial features end-to-end. You should be ready to influence architecture, mentor other engineers, and uphold high standards of security, reliability, and UX in a fast-growing crypto environment.

💬 Potential Interview Questions

How would you design a secure and reliable frontend payment flow for crypto and fiat transactions?
I focus on clear state handling for each transaction step, strong validation, idempotent requests, and explicit user feedback to prevent duplicate submissions and reduce risk.
How do you ensure security best practices in frontend financial applications?
I avoid exposing sensitive data, use secure storage patterns, enforce strict input validation, follow CSP policies, and collaborate closely with backend teams to ensure proper authentication and authorization.
What challenges arise when integrating with multiple payment providers or blockchains?
Inconsistent APIs, varying response times, and edge cases around transaction states are common. I abstract integrations behind consistent interfaces and build resilient UI states for pending, failed, or partial transactions.
How would you handle real-time transaction updates in a React application?
I use WebSockets or polling with proper cleanup, manage subscription lifecycles carefully, and ensure UI updates are efficient and consistent with backend-confirmed states.
How do you design intuitive onboarding for users interacting with complex payment systems?
I reduce cognitive load with progressive disclosure, clear explanations of fees and risks, contextual tooltips, and strong visual feedback to build trust and clarity.
What performance considerations are critical in high-traffic financial applications?
Optimizing bundle size, minimizing blocking scripts, using code splitting, and monitoring real user metrics are essential to ensure fast, reliable experiences under load.
How do you approach testing in a payments-focused frontend system?
I combine unit tests for logic-heavy components, integration tests for flows, and end-to-end tests for critical transaction paths to reduce regressions in high-risk areas.
How do you design fault-tolerant frontend systems for financial workflows?
I anticipate failure scenarios, design clear retry mechanisms, handle partial states gracefully, and ensure users always understand the current status of their funds.
How do you influence technical and product decisions in a senior frontend role?
I contribute architectural proposals, assess trade-offs between speed and risk, align solutions with security and compliance needs, and mentor others toward high standards.
How would you improve user trust and engagement within a crypto payments experience?
By prioritizing transparency (clear fees, confirmations, transaction history), responsive UI feedback, consistent branding, and a strong emphasis on security indicators throughout the journey.

📋 Job Summary

Kraken is a mission-driven crypto company accelerating global financial freedom through secure, world-class blockchain products. We’re hiring a Senior Software Engineer – Frontend (Payments) to design and scale high-performance payment systems using React, TypeScript, Next.js, and modern web technologies, ensuring seamless and secure fund transfers across fiat and blockchain networks. This is a full-time remote role in the United States with a competitive base salary range of $110.4K–$220.8K, plus equity and bonus. Join Kraken to build critical financial infrastructure, influence product and technical strategy, and shape the future of crypto payments at global scale.