Senior Frontend Engineer

RainesDev • San Francisco, CA

1d

About The Position

We're seeking an experienced frontend developer to architect user interfaces for a platform connecting consumer brands with digital content creators. You'll define engineering practices while building features that thousands of users interact with daily across multiple social shopping ecosystems. Your contributions will be visible immediately—this role offers direct production impact and the opportunity to shape our technical foundation during a growth phase.

Requirements

• 3 -6 years delivering frontend systems at companies focused on product excellence
• Demonstrated skill translating visual designs into production -ready, accessible applications
• Deep interest in user experience, interface design, and product thinking—not just implementation
• History of driving substantial projects independently (component frameworks, optimization initiatives, feature modules)
• Proven capability setting technical direction and becoming the subject matter expert
• Passion for developing others and improving team output
• Independent operator who excels with ambiguous requirements
• Strong instincts for product decisions and willingness to challenge specifications for better outcomes
• Foundation: React, TypeScript, Next.js proficiency
• Design Implementation: Modern CSS frameworks, component libraries, design tool workflows
• Data Handling: Application state patterns, API integration approaches
• Reliability: Testing frameworks, end -to -end validation tools
• System Design: Reusable component strategies, inclusive design principles, speed optimization
• Influence: Peer review, knowledge sharing, pattern establishment

Nice To Haves

• Background at companies in early growth stages or as initial technical hires
• Experience creating shared component ecosystems used across products
• History driving frontend technical strategy or team leadership
• Implementation of user behavior tracking for informed development
• Development of admin panels, visualization tools, or operational interfaces at scale
• Partnership with design professionals throughout the creative process
• Comfort with experimental approaches and incremental releases
• Enthusiasm for emerging technologies in AI, digital commerce, or process automation
• Personal projects or community code contributions

Responsibilities

• Take full ownership of interface development from initial research through deployment and monitoring
• Define our approach to component architecture, code standards, and quality assurance
• Coach team members on frontend practices and create reusable patterns
• Engage with end users to clarify needs and craft elegant solutions
• Implement responsive web applications leveraging React, TypeScript, and contemporary styling frameworks
• Create maintainable, tested code that scales with the product
• Make architectural choices around data flow and application state
• Execute quickly in a high -velocity environment

Benefits

• Established product with active customer base
• Authority to establish frontend practices as we expand
• Significant independence—impactful work, not maintenance tasks
• Rapid feedback loops from development to user hands
• Technical excellence is foundational to our culture
• Influence over both product direction and organizational growth

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed