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Senior Full-Stack JavaScript Engineer (Next.js / React / AWS) - Backend Focus Open to Full or Part-time We are seeking an accomplished Senior Full-Stack JavaScript Engineer to lead the design, development, and optimization of high-performance, customer-facing web applications. The ideal candidate brings strong architectural thinking, hands-on technical depth, and the ability to mentor a team while upholding best practices across the stack. You will own the end-to-end delivery of scalable, SEO-optimized, and visually rich experiences built on modern web technologies such as Next.js, React, and TypeScript, while leveraging AWS, Cloudflare, and GraphQL for performance, resilience, and extensibility. Key Responsibilities Architect, develop, and maintain full-stack web applications using Next.js, React, and TypeScript, following modern design and development standards. Lead technical decision-making and enforce best practices in code structure, performance, testing, and documentation. Collaborate with product managers, designers, and backend teams to translate complex business needs into scalable technical solutions. Build and maintain reusable, performant, and accessible UI components using Chakra UI, Tailwind, or similar frameworks. Integrate with headless CMS platforms (e.g., Contentful or equivalent) and Stripe for dynamic content and secure payment processing. Implement robust data integrations using GraphQL and RESTful APIs. Experience with PostgREST Leverage Cloudflare for edge rendering, CDN caching, and performance optimization. Enhance search capabilities through AWS OpenSearch and implement advanced SEO strategies and Core Web Vitals optimizations. Mentor and guide junior engineers, conduct code reviews, and drive a culture of technical excellence and collaboration. Core Skills & Qualifications 5+ years of professional experience in full-stack JavaScript/TypeScript development. Expert proficiency with React.js, Next.js, HTML5, CSS3, and modern build pipelines. Strong understanding of Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISR). Deep experience with state management libraries such as Jotai, Zustand, or Recoil. Proven ability to architect and optimize large-scale web applications for SEO, performance, and accessibility. Experience with AWS (Lambda, ECS/Fargate, OpenSearch, S3) and Cloudflare Workers or equivalent CDN-edge technologies. Originally posted on Himalayas