Lead React Developer

Looking for only local candidates who are willing to go for an in person interview.

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.

• 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.

• 6–10 years of professional software development with 4 years focused at scale.
• Expert‑level JavaScript/Type Script 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.

• Familiarity with charting/grid libraries (e.g., ag‑Grid, Recharts, Highcharts) and modern build tooling.
• Experience collaborating with cross‑functional teams in regulated or enterprise environments.

• Administrative Skills
• Facilities Management
• Biotechnology
• Creative Production
• Design and Estimation
• Architecture

Location:

San Leandro, CA (W2)

Employment Type:

Contract

Experience

Required:

10+ years

Role:
Senior React Developer

Conch Technologies Inc

Please note:

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