Software Engineer II - React Native - Krak

JobCubby; San Francisco, Northern (CA, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Payward, the parent company behind Kraken, is seeking a React Native engineer to join a cross-functional Consumer pod. You will build and scale core Krak experiences, delivering seamless mobile experiences across Krak app.

Collaborate with Product, Frontend, and the Rust backend engineers to deliver features with measurable customer value. You will own features end-to-end, uphold UX quality, performance and reliability, and contribute to code quality across the mobile codebase.

Qualifications

• 3+ years of software development experience on web or mobile apps.
• Strong knowledge of JavaScript/TypeScript and React Native.
• Experience consuming APIs with focus on security and performance on mobile.
• Experience with frontend testing frameworks and modern front-end build pipelines.
• Excellent written and verbal English communication.
• Customer-focused mindset and UX-driven approach.

Responsibilities

• Design, develop, and maintain React Native mobile apps with TypeScript.
• Own end-to-end delivery of Krak features from design to release.
• Build maintainable, performant screens and components.
• Write clean, well-tested code and participate in code reviews.
• Contribute to technical design discussions within the pod.
• Collaborate with Product, Designers, and Rust backend engineers.

Skills

React Native

JavaScript/TypeScript

APIs

Frontend testing

UI/UX awareness

English communication

Tools

Next.js

WebSockets

Rust

Job description

Building the Future of Open Finance

Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system.

Before you apply, we encourage you to explore our culture page to understand what drives us and how we work.

The team

Founded in 2011, Kraken is one of the world’s longest-standing crypto platforms, trusted by over 10 million individuals and institutions across the globe. It offers spot trading, margin, futures, staking, and OTC services, with products built for both individual investors and institutional clients.

We’re looking for a React Native engineer to join a cross-functional Consumer pod focused on building and scaling core Krak experiences. You’ll build alongside Product, Frontend and Backend Engineers in your pod, delivering seamless, performant user experiences across our Krak app, holding the features you ship to a high bar for UX, technical quality, and reliability. It’s an opportunity to build high-impact, consumer-facing functionality used daily by a global user base.

The opportunity

• Design, develop, and maintain high-quality mobile applications using React Native and TypeScript
• Own the end-to-end delivery of assigned Krak features, from technical design through release and post-launch iteration
• Build screens and components that are maintainable, performant, and resilient, applying established architecture and design patterns
• Write clean, well-tested code and take an active part in code review, applying the team’s engineering standards consistently
• Contribute to technical design discussions within your pod, raising clear proposals and trade-offs for the work you own
• Work closely with Product Managers, Designers, and the Rust backend engineers in your pod to deliver features with measurable customer value
• Help improve code quality, shared components, and tooling across the Krak mobile codebase, keeping current with the React Native ecosystem

What you bring

• 3+ years of experience in software development, with a focus on web or mobile applications
• Solid working knowledge of JavaScript/TypeScript and hands-on experience building with React Native
• Experience integrating and consuming APIs, with attention to security and performance on mobile
• Experience with frontend testing frameworks and modern front-end build pipelines and tooling
• Strong understanding of UI/UX best practices, empathy for the customer, and a passion for building intuitive, performant consumer experiences
• Strong written and verbal communication skills in English

Nice to haves

• Familiarity with native mobile app development (iOS/Android)
• Experience developing micro interactions and animations in React Native
• Experience with Next.js and WebSockets
• Experience within a large technology organization or fast growing startup
• Hands-on experience in consumer payments, crypto or fintech mobile applications
• Working knowledge of Rust (or similar languages such as Go or C++), and familiarity with async architectures, APIs, and microservices
• Experience building large-scale consumer or financial products
• Contributions to open-source or the broader engineering community

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.

Our commitment

Payward is powered by people from around the world and we celebrate the diverse talents, backgrounds, contributions, and unique perspectives that everyone brings to the table. We hire based on merit, seeking out people with the right abilities, knowledge, and skills 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 knowledgeable about crypto.

We may ask candidates to complete job-related skills or work-style assessments as part of our hiring process. These assessments evaluate competencies relevant to the role and are applied consistently across candidates for similar positions. Results are considered alongside experience and interviews, and are not the sole basis for any employment decision.

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