Staff Software Engineer - Frontend (Payments & Commerce)

Bolt

San Francisco, CA

Full Time

Senior

16 days ago

Job Description

About the Role

We're a fast-growing fintech startup transforming modern commerce and financial infrastructure. Our platform powers next-generation payments and embedded finance experiences for large-scale merchants. With strong backing from leading investors, we're scaling fast and looking for mission-driven engineers to shape our future.

Key Responsibilities

Architect and build modern frontend applications for merchants and end-users: payment flows, checkout experiences, dashboards, subscriptions, invoicing, and loyalty tools.
Drive frontend architecture and establish best practices for performance, accessibility, security, and code quality.
Collaborate with product, design, and backend teams to deliver cohesive, intuitive user experiences.
Lead frontend strategy and contribute to design systems, SDKs, and component libraries.
Ensure seamless integration with backend systems (payment routing, fraud prevention, ledgers).
Mentor engineers through design reviews, pair programming, and code reviews.

Requirements

8+ years of frontend experience, including React, TypeScript, GraphQL, or similar frameworks.
Expertise in building secure, performant, and scalable applications for high-traffic products.
Experience designing complex interfaces for financial or commerce systems.
Familiar with integrating frontend apps with real-time APIs and backend services.
Strong product sensibility and ability to advocate for user-centered design.

Nice to Have

Experience with mobile SDKs, payments UIs (e.g., checkout flows, tokenized wallets).
Familiarity with PCI-compliant frontend patterns and secure data handling.
Contributions to design systems or frontend open-source libraries.

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