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Senior Full Stack Engineer (Mobile & Web) - Fintech Product Development

Arcadia • San Francisco Bay Area
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Lead end-to-end development of consumer-facing mobile and web applications for a high-growth fintech startup. Own product architecture, technical standards, and user experiences while collaborating with cross-functional teams to build scalable, high-performance financial platforms. Drive innovation in payments, automation, and intuitive UX with significant autonomy in a fast-paced environment.

Key Highlights
Ownership of full-stack development for mobile and web applications in fintech
Collaborate with backend and operations teams to ensure scalable, reliable integrations
Shape technical architecture, engineering best practices, and product improvements using analytics and user feedback
Key Responsibilities
Design, build, and launch end-to-end features for consumer-facing mobile and web applications
Develop intuitive user flows for payments, reimbursements, and transaction tracking
Collaborate with backend and operations teams to ensure scalable application architecture and reliable integrations
Leverage user analytics and experimentation to identify friction points and improve customer experience
Shape technical architecture, establish best practices for code quality, testing, and deployment processes
Work closely with customers and stakeholders to translate feedback into product improvements
Technical Skills Required
JavaScript API Design & Integration Modern Software Architecture
Benefits & Perks
Competitive compensation with meaningful equity upside
Visa sponsorship support available
Early-stage opportunity with significant influence over product and technical decisions
Nice to Have
Experience building consumer-facing fintech, payments, or financial services products
Experience developing both mobile and web applications
Familiarity with product analytics, experimentation, and user behavior tracking
Experience working at an early-stage startup or in a small engineering team
Interest in AI-powered products and intelligent automation

Job Description

Full Stack Engineer (Mobile & Web)

Location: San Francisco (On-site) - 996

Employment Type: Full-Time

Industry: Fintech / Consumer Technology

About the Opportunity

We're partnering with a well-funded, high-growth fintech startup that's building innovative financial products designed to make everyday financial experiences simpler, faster, and more accessible.

Backed by leading venture capital investors, the company is developing a modern consumer platform that combines payments infrastructure, intelligent automation, and intuitive user experiences.

They're looking for a talented Full Stack Engineer to take ownership of their customer-facing mobile and web applications.

Want the full job description? Read the complete details on LinkedIn, the original posting.
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