Job Description
Immediate hiring!!
Job Title: Senior React Developer
Location: San Leandro, CA (Onsite) Locals only
ONLY for W2 Candidates
Role Overview
We're seeking a Senior React Developer with a strong programming background to lead the design and implementation of high-quality, performant front-end applications. You will shape UI architecture, mentor engineers, and collaborate closely with product, design, and backend teams to deliver resilient, accessible, and scalable user experiences.
Key Responsibilities
- Lead front-end architecture and develop complex, reusable React components and hooks.
- Drive state management patterns (e.g., Redux) and ensure predictable data flows in large applications.
- Integrate REST APIs, handle JSON payloads, and optimize network interactions.
- Enforce coding standards, conduct code reviews, and improve test coverage with Jest/React Testing Library/Enzyme.
- Partner with designers to implement responsive, accessible UIs using HTML5, CSS3/SASS, and component libraries (e.g., Material UI/React Bootstrap).
- Champion performance and accessibility best practices; instrument and debug with modern browser tools.
- Collaborate in Agile ceremonies; help define stories, acceptance criteria, and release plans.
Required Qualifications
- 6 10+ years of professional software development, with 4+ years focused on React.js at scale.
- Expert-level JavaScript/TypeScript and deep knowledge of ES6+ patterns and React internals. ,
- Proven experience with Redux , component composition, custom hooks, and performance optimization. ,
- Strong front-end engineering fundamentals: semantic HTML, modern CSS, responsive design, and accessibility (WCAG/ADA).
- Hands-on testing experience (unit, integration, E2E) with Jest/RTL/Enzyme ; CI integration. ,
- Proficiency with Git and common workflows; comfort with Agile/Scrum delivery.
Preferred Qualifications
- Familiarity with Next.js , charting/grid libraries (e.g., agGrid , Recharts/Highcharts ), and modern build tooling.
- Experience collaborating with cross-functional teams in regulated or enterprise environments.
Work Conditions
- Location: Onsite at San Leandro, CA .
- Occasional flexibility may be required for cross-time-zone collaboration and release milestones.
Nice-to-Have (Domain)
- Experience in banking/financial services or other enterprise-grade platforms is a plus (helps with stakeholder expectations and compliance).
Please share resume at Crystal@americanunit.com
Job Tags
Local area, Immediate start,