We are looking for a Senior Frontend Software Engineer with strong expertise in React Native to provide technical leadership in building our UX Toolkit (Web/Native) at Marqeta. This is a newly formed area of focus needing a technical leader with deep experience in building cross-platform mobile and web applications from the ground up, collaborating with product and design teams to develop innovative cardholder experiences across web and mobile platforms.
As a Senior React Native Engineer, you will independently transform product requirements and designs into a functional, high-performance mobile application. Key architectural decisions, timeline management, and ensuring a smooth and stable app experience across both iOS and Android platforms will be expected.
Take on a critical role defining and leading technical excellence across all consumer app experiences at Affirm. You’ll collaborate with engineering leaders, create and implement technical strategy across full-stack teams, and coordinate closely with stakeholders to build scalable, reliable, and high-performing solutions. Help shape best practices, guide architectural choices, and drive the successful delivery of critical initiatives.
As the founding Engineering Lead for the Polygon Fintech Labs team, you’ll own the technical vision for the application layer's suite of products. You’ll be the architect behind the MVP and will operate like a startup CTO, working closely with product and design from day one. If you’re excited about abstracting Web3 complexity to unlock everyday utility to payments, yield, programmable flows then this is your moment to build from zero.
As a key member of our Growth & Engagement squad, you will own the design, implementation, and optimization of user-facing growth features action cards, referral flows, push-notification experiences, Phantom Pro upsells, and onboarding enhancements. You’ll partner with Product, Design, and Backend to turn hypotheses into polished, performant, and A/B-test-ready interfaces, build reusable component libraries, and instrument every feature for real-time analytics and rapid iteration.
We're looking for a front-end engineer to join our Trade team, building out the core trading experiences that power hundreds of millions in onchain volume on Zora. You’ll own and evolve existing trade features, as well as shape new features from design to launch.
The Mobile Developer plays a key role in building intuitive, high-performance mobile applications using React Native and TypeScript. This role involves hands-on development, architectural input, and active collaboration with cross-functional teams to deliver seamless user experiences. The ideal candidate has strong experience consuming REST and GraphQL APIs, contributing to CI/CD pipelines, and applying best practices in code quality, accessibility, and performance.
Seeking a Senior Full Stack Software Developer to join the web platform team. You will be a key contributor to the architecture and development of internal tools, system integrations, and new platform features—from initial concept to production deployment.
🦅 US
🏖️Unlimited PTO👶11w maternity👨👧11w paternity
You will gain ownership over our existing suite of web products, as well as the ability to influence the creation, design, and execution of future products. You will be responsible for ensuring a consistent, high-quality user experience across trading interfaces, data-heavy analytics pages, documentation portals and more.
As a React Native Engineer at OnePay, you’ll craft simple, elegant mobile experiences that sit at the heart of our customers’ financial lives. You will build and ship features that drive measurable customer outcomes. You will collaborate cross-functionally to shape end-to-end solutions. You will own your work from concept to launch, earning the trust of teammates through accountability and transparency.