Frontend Engineer

As a Frontend Engineer at Coinflow, you'll be the first dedicated front end engineering hire, responsible for building both the design system and shipping polished, production-ready UI end to end. You'll work directly with the CTO and founding engineers, moving from rough product idea to shipped feature without handoff, defining interaction models and owning the React that powers them.

What you'll do

• Build and own the design system on top of shadcn/ui and Tailwind, creating components, tokens, patterns, and documentation that the rest of engineering can use independently.
• Design and ship full features end to end: wireframe or go straight to high-fidelity, build the production component, wire it to real data, and iterate based on how it feels in practice.
• Redesign and modernize existing surfaces such as merchant onboarding, dashboards, and checkout flows that were built for speed rather than polish.
• Set the visual direction for a fintech product that needs to feel trustworthy, fast, and precise, reflecting the nature of a payments platform rather than a consumer app.
• Make architecture decisions about component composition, theming, and reusability that will scale as the product surface area grows.
• Collaborate closely with backend engineers to ensure the front end accurately represents complex systems such as multi-chain settlement, card networks, and fraud and risk states without oversimplifying them.

What you bring

• Strong command of shadcn/ui, Radix primitives, Tailwind CSS, and React with TypeScript, including understanding of why shadcn's composition model works the way it does.
• A portfolio or GitHub history showing products you designed and built yourself from start to finish, not just isolated components or design shots.
• Real product design judgment in typography, spacing, color systems, information hierarchy, and the ability to simplify complex, data-heavy interfaces.
• Comfort owning ambiguity and deciding what the right interaction pattern is, rather than implementing someone else's spec.
• Experience building or significantly extending a design system in a real production codebase, including versioning, theming, and documentation practices that scale.

Nice to have

• Experience in fintech, crypto, or other data-dense, trust-sensitive product categories.
• Familiarity with Next.js, React Native, or motion and animation libraries such as Framer Motion or GSAP.

What we offer

• Base salary of $150,000 to $180,000 USD, depending on experience, education, skills, and qualifications.
• An equity grant, allowing you to share in the long-term success of the company.
• Health and wellness benefits, 401(k) savings plan, and flexible time off.

About Coinflow

Coinflow is a next-generation payment service provider founded in 2023, serving marketplaces, fintechs, remittance providers, gaming platforms, and ecommerce merchants worldwide with stablecoins, AI-driven fraud prevention, and instant settlement. Since its seed round in 2024, the company achieved 23x revenue growth and scaled to multi-billion-dollar annual transaction volume. Coinflow raised a $25M Series A in October 2025, led by Pantera Capital, CMT Digital, Coinbase Ventures, Jump Crypto, and Reciprocal Ventures, and is headquartered in Chicago, IL.