Senior UI React JS Developer
Listed on 2025-12-28
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IT/Tech
Web Developer, UI/UX Design
- 5 years of professional software engineering experience with formal training or certification
- Deep expertise in modern front-end technologies React (hooks, component-based architecture, state management, context
Redux) - CSS (modern techniques, preprocessors, responsive design) Single-Page Applications (SPAs) and RESTful integrations
- Proficient with build tools and version control Webpack, Rollup, Git Git Hub
- Strong understanding of enterprise web application lifecycle (design, build, deploy)
Experience with UI testing and quality frameworks Jest, Cypress, React Testing Library - Familiarity with accessibility standards (ADAWCAG), UI design systems, and content management systems
- Exposure to web analytics, digital-marketing experimentation, and performance metrics
- Hands-on with CICD and Dev Ops tooling (e.g., Jenkins pipelines)
- Excellent collaboration and influencing skills across product, UX, analytics, and compliance teams
ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters.
Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract
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