Senior Front End Engineer

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    "description": "<p><span style=\"color: rgb(0, 0, 0); font-size: 12pt\"><span style=\"font-weight: bold\">StellarTech</span> is looking for Senior React Developer to join our team and lead the development of high-performance marketing funnels. In this role, you will architect and build custom UI components from scratch — covering 95% of the UI without relying on third-party component libraries — ensuring our funnels are fast, conversion-optimized, and fully tailored to our brand.</span></p>\n<p><br></p>\n<p><span style=\"color: rgb(0, 0, 0); font-size: 12pt; font-weight: bold\">What You’ll Do:</span></p>\n<ul>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\"><span style=\"font-weight: bold\">Custom Component Development: </span>Build and maintain a comprehensive internal component library covering 95%+ of the UI surface. Components are built from scratch without third-party libraries (no MUI, Chakra, Ant Design, etc.), with clean APIs and clear documentation. Collaborate with designers to deliver functional, brand-aligned implementations.</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\"><span style=\"font-weight: bold\">Marketing Funnel Engineering: </span>Architect and develop multi-step marketing funnels, including landing pages, lead capture flows, upsell sequences, and thank-you pages. Implement dynamic content rendering, conditional logic, and form validation. Integrate with marketing platforms via REST APIs and manage funnel state across steps using appropriate storage strategies.</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\"><span style=\"font-weight: bold\">Payment Integrations: </span>Integrate payment gateways (Stripe, PayPal, or similar) into funnel flows, including secure form handling, webhook processing, and error recovery.</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\"><span style=\"font-weight: bold\">Performance Optimization: </span>Own Core Web Vitals across all funnel pages targeting Lighthouse scores of 95+. Apply code splitting, lazy loading, tree shaking, and critical CSS. Use React DevTools Profiler and Chrome Performance panel to identify and eliminate redundant re-renders through memo, useMemo, useCallback, and smart component splitting.</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"color: rgb(0, 0, 0); font-size: 12pt; font-weight: bold\">What We’re Looking For:</span></p>\n<ul>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt; font-weight: bold\">5+ years of professional React development experience</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Proven track record building 90%+ custom UI without component libraries</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Understanding of the Critical Rendering Path</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Deep understanding of React reconciliation, the virtual DOM, and rendering behavior</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Experience with state management solutions (Redux Toolkit, Zustand, Jotai) and knowing when to use global vs local state</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Solid understanding of Local Storage, Session Storage, and cookies — including security implications and appropriate use cases within funnel flows</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Hands-on experience with React DevTools Profiler and techniques to prevent redundant re-renders</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Experience integrating payment gateways (Stripe, PayPal, or similar) in production</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Strong command of HTML5, CSS3, and modern TypeScript</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"color: rgb(0, 0, 0); font-size: 12pt; font-weight: bold\">Nice to have:</span><br></p>\n<ul>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Experience with Next.js and server-side rendering</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Familiarity with feature flagging tools</span></li>\n<li><span style=\"color: rgb(0, 0, 0); font-size: 12pt\">Familiarity with A/B testing and analytics event tracking</span><br></li>\n</ul>\n<p><br></p>\n<p><span style=\"color: rgb(29, 28, 29); font-size: 12pt; font-weight: bold\">Why You'll Love Working With Us:</span></p>\n<ul>\n<li><span style=\"color: rgb(29, 28, 29); font-size: 12pt\">Innovative Environment: We're all about trying new things and pushing the envelope in EdTech.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-size: 12pt\">Totaly remore setup.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-size: 12pt\">Health: company-provided medical expense compensation.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-size: 12pt\">AI solutions: АІ subscription and other tools.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-size: 12pt\">Balance: Flexible paid time off, you get 21 days of annual leave + 10 bank holidays.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-size: 12pt\">Collaborative Culture: Work alongside passionate professionals who are as driven as you are.</span></li>\n</ul>",
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