Senior Web Accessibility Engineer

Fiserv•Sunnyvale, CA

About The Position

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Web Accessibility Engineer Staff Web Engineer - Web Platform Clover is looking for a Staff Web Engineer with deep expertise in front end architecture to join our Web Platform team. This team’s primary objective is to provide Clover web engineers with exceptional development experience across our web platforms while supporting the large-scale expansion of our engineering teams. With hundreds of engineers building web experiences across 4 continents, Clover’s patterns and tooling for web development are critical to its ability to effectively deliver business value to our customers. As a member of the Web Platform Team focusing on App Infrastructure, you will own the design, implementation, support and improvement of crucial foundational libraries, architectural patterns and self-service tools leveraged actively by web engineers across the company.

Requirements

8+ years of professional software development experience, with a heavy focus on web platforms, web architecture, and full-stack runtime systems.
Bachelor's Degree (preferably Computer Science or Engineering) or equivalent practical technical education.
Proven experience building and maintaining large-scale web applications, web infrastructure, or shared developer platform tools.
Hands-on background delivering web UIs as a feature developer alongside deep knowledge of browser execution models, JavaScript/TypeScript ecosystems, and HTML/CSS standards.
Strong proficiency with version control and automated CI/CD pipelines (GitHub Enterprise, Jenkins, or similar).
Excellent verbal and written technical communication skills with a track record of cross-functional collaboration.

Nice To Haves

Deep knowledge of React / Webpack / modern tools
Experience with Typescript
Writes clean code, uses modern JS syntax.
Cares about code quality
Experience with localization
Experience with javascript test frameworks - jest etc.
Experience writing scripts, tools, etc
Very comfortable in Node.js
Some DevOps experience / Cloud Platform experience AWS / GCP
Experience with npm packages, versioning
Understanding of web performance
Strong communication skills - written and verbal
Creative and innovative mentality
Willingness to put ideas forward
Open mindedness
Empathy for developers and teammates
Desire for excellence
Enjoys a light-hearted work environment
Talented with meme-based slack communication
Experience with GCP, terraform, puppet
Experience with Micro Front-end architecture
Experience with javascript Module Federation

Responsibilities

Design end-to-end web architectures, micro-frontends, API integrations, and server-side rendering (SSR) implementations optimized for high traffic, low latency, and high availability.
Partner with product management and business leaders to define long-term technical direction, evaluate emerging technologies, and guide multi-quarter roadmaps.
Establish coding standards, testing frameworks, CI/CD practices, continuous performance monitoring, and web accessibility (WCAG) guidelines across the organization.
Provide technical leadership and sponsorship for senior, mid-level, and junior engineers. Lead design and code reviews to elevate team technical capabilities.
Hands-on development of core platforms, critical SDKs, complex web interfaces, and high-risk technical migrations.