Senior Web Platform Engineer

SoFi•New York, NY

About The Position

We’re looking for a highly experienced Senior Frontend Engineer to join Web Core, a new web platform team at SoFi. This team will be central to scaling our 80+ consumer-facing and internal web applications. In this role, you’ll drive the design, architecture, and development of platform-level tools, libraries, documentation, and frontend patterns that power our web ecosystem. As a hands-on platform engineer, you’ll shape the future of SoFi’s web platform infrastructure—enabling consistency, performance, and scalability across products. You’ll collaborate closely with engineering, product, design, infrastructure, and executive leadership to define and execute a strategic vision that supports company-wide goals. The team will be an AI-first team, adopting LLM/agentic-powered technologies to accelerate and scale our web platform. An engineer should ideally be excited about learning and integrating with these new tools.

Requirements

Deep expertise in frontend web engineering (3+ years), with a strong focus on scalable web platforms.
Proven experience designing and building reusable SDKs, UI libraries, and platform APIs.
Expertise in modern frontend frameworks (React preferred), build tooling, and testing frameworks.
Strong knowledge of CI/CD pipelines, web performance optimization, and accessibility standards.
Excellent cross-functional communication and leadership skills.
Experience with mobile-web and responsive web frameworks.

Nice To Haves

Experience with monorepos and frontend infrastructure tooling.
Familiarity with micro-frontend patterns and federated module systems.
Strong instincts for developer experience and system design at scale.
Experience building GraphQL infrastructure and models.

Responsibilities

Execute the architecture and development of reusable frontend platform tools, SDKs, and shared libraries.
Design and maintain systems that improve developer experience across CI/CD, testing, and deployment pipelines.
Define standards and best practices for performance, accessibility, and design system adoption.
Partner with cross-functional teams to drive adoption and alignment of core platform capabilities.
Tackle complex technical and organizational challenges that span teams and products.
Mentor engineers across the org, championing engineering excellence and knowledge-sharing.

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