Salary
≈ $18k – $41k per year (Estimated)
Location
In office (Bengaluru)
Seniority
Senior · 4+ years exp
First seen by Alion on Oct 20, 2026.
Overview
Company
Impact
Profile match
Sparkinity is a UK B2B wholesale marketplace connecting independent retailers with brands and suppliers, offering curated products, free samples, flexible payment terms, ordering, logistics and retail growth tools.
We are seeking a Senior Web Developer to own, scale, and optimize high-performance web applications using React.js, Next.js, and Tailwind CSS. Join our core technology team to build seamless, user-focused digital experiences from development to deployment.
Responsibilities:
- Own the development and delivery of complex web features from requirement gathering to production.
- Build scalable, reusable, and high-performance applications using React.js, Next.js, and Tailwind CSS.
- Translate product and design requirements into robust technical solutions.
- Design and integrate APIs while collaborating closely with backend engineers.
- Identify and resolve performance, scalability, and reliability issues across the application.
- Participate actively in code reviews and establish engineering best practices.
- Contribute to technical architecture, technology decisions, and long-term product scalability.
- Mentor junior engineers and help improve overall engineering quality and development processes.
- Own our core web architecture and drive high-impact technical decisions.
- Build rapid-delivery systems scaled for millions of active daily users.
- Accelerate your career in a high-growth, venture-backed engineering environment.
- Collaborate with elite developers solving complex, real-world commerce challenges.
Requirements:
- 4-6 years of professional experience in web development, preferably in product/startup environments.
- Strong hands-on experience with React.js and modern frontend architecture.
- Strong proficiency in Next.js, including routing, server-side rendering, API routes, and performance optimization.
- Excellent knowledge of JavaScript/TypeScript, ES6+ concepts, asynchronous programming, and modern development practices.
- Strong experience with Tailwind CSS and building responsive, pixel-perfect user interfaces.
- Experience designing and integrating REST APIs and working with backend services.
Skills
JS, JavaScript, Next.js, Nextjs, React, React.js, TypeScript
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