Qureos Mentor

Splash Software

<div>Role Overview
We are seeking a Senior Front-End Engineer with deep expertise in Next.js 16+ to architect and deliver high-performance, secure, and scalable web applications. The ideal candidate has 5+ years of effective front-end experience working on complex, production-grade systems and demonstrates strong ownership of architecture, performance, and browser-level behavior.
Core Responsibilities
<ul><li>Architect and develop large-scale applications using Next.js 16+ (App Router).
</li><li>Design systems and reusable component libraries aligned with accessibility and scalability standards.
</li><li>Implement modern rendering strategies (static, dynamic, streaming, PPR).
</li><li>Leverage Cache Components (&quot;use cache&quot;), revalidateTag(), updateTag(), and cache invalidation strategies effectively.
</li><li>Optimize navigation and prefetching strategies (layout deduplication, incremental prefetch).
</li><li>Integrate and optimize RESTful APIs with proper caching, error handling, and data consistency.
</li><li>Apply advanced browser performance optimization (hydration control, critical rendering path, reflow/repaint minimization).
</li><li>Ensure security best practices across Server and Client Components (XSS, CSRF, auth boundaries, RSC attack surface awareness).</li><li>
Collaborate with backend and DevOps teams on CDN, edge runtime, and caching-layer strategies.
</li><li>Lead code reviews, mentor engineers, and define engineering standards.
</li></ul>Required Technical Expertise
<ul><li>Next.js 16+
</li><li>App Router architecture</li><li>
React Server Components (RSC)</li><li>
Client/Server boundary management (use client)
</li><li>Server Actions
</li><li>Advanced SEO techniques
</li><li>Cache Components (&quot;use cache&quot;)
</li><li>Data cache control (revalidateTag, updateTag)
</li><li>Streaming &amp; Suspense
</li><li>Partial Prerendering (PPR)
</li><li>Route groups, parallel routes, loading/error boundaries
</li><li>Proxy model (proxy.ts)
</li><li>Edge vs Node runtimes
</li><li>Advanced state management
</li></ul>React &amp; TypeScript
<ul><li>Advanced React patterns
</li><li>Hooks, context, composition patterns
</li><li>React Compiler awareness
</li><li>Strong TypeScript typing patterns for large codebases
</li></ul>Performance &amp; Tooling
<ul><li>Bundlers and build optimization
</li><li>Bundle analysis &amp; performance profiling
</li><li>Hydration debugging &amp; mismatch resolution
</li><li>Web Vitals optimization
</li><li>Lazy loading &amp; code splitting strategies
</li></ul>Browser &amp; Web Fundamentals
<ul><li>Deep understanding of:
</li><li>Event loop &amp; task queues
</li><li>Rendering lifecycle (layout, paint, compositing)
</li><li>Memory management
</li><li>Network layers &amp; HTTP caching
</li><li>Accessibility (WCAG compliance)
</li><li>Modern CSS architecture &amp; scalable styling systems
</li></ul>Security
<ul><li>Secure RSC boundaries
</li><li>API layer protection
</li><li>Secure headers &amp; CSP
</li><li>Authentication/authorization flows
</li><li>Awareness of framework-level vulnerabilities and patch management
</li></ul>Experience Requirements
<ul><li>Minimum 5 years professional front-end development experience
</li><li>Proven involvement in complex, high-traffic, or mission-critical applications
</li><li>Demonstrated ownership of architectural decisions and performance improvements
</li><li>Experience building and maintaining design systems in production
</li></ul>Preferred
<ul><li>Familiarity with distributed caching strategies (CDN, edge caching)
</li><li>CI/CD and deployment optimization experience
</li><li>Backend familiarity (Node.js, NestJS or similar)
</li></ul>If you tick all the boxes and this sounds like your kind of challenge, drop your details below. We're looking for our next frontend superstar.</div>

Senior Front-End Engineer

Join Splash Software and explore 1   exciting career opportunities. They're hiring for various roles with options for remote or on-site work. Apply today and become part of their innovative team.

Splash Software

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Senior Front-End Engineer