Senior Software Engineer (Frontend)

About Halcyon Labs Every day, millions turn to AI for answers, and if your brand isn't there, you're nowhere. Halcyon Labs is leading the way with the world's most advanced AI SEO and Generative Engine Optimization (GEO) platform, helping brands monitor and improve visibility across AI search engines like ChatGPT, Claude, Perplexity, and Google AI Overviews. Trusted by marketers worldwide, Halcyon Labs unifies GEO insights with traditional SEO, helping businesses understand how AI sees their brand and giving them the tools to improve visibility faster. We're Hiring: Senior Software Engineer (Frontend) We're looking for a highly qualified Senior Software Engineer with a strong frontend focus who loves building fast, scalable, and beautifully crafted products. This role is ideal for someone who has worked in a high-growth B2B SaaS environment, thrives in fast-moving teams, and enjoys owning products from concept to production. While this is a frontend-heavy role, backend experience is a strong advantage. We're especially interested in candidates from Tier 1 engineering institutes (IITs, BITS, IIITs, NITs) or those who have built products at Y Combinator-backed startups . What You'll Be Doing Build high-performance, scalable web applications using React, Next.js, TypeScript, and modern frontend technologies. Develop intuitive, responsive, and pixel-perfect user experiences. Work closely with product, design, and engineering teams to deliver features end-to-end. Optimize applications for speed, scalability, and reliability. Debug complex issues and maintain high code quality through testing and engineering best practices. Contribute to architecture discussions and continuously improve engineering standards. Work across the stack when needed. Experience with Python and backend development is a plus. Requirements What We're Looking For At least 2 years of professional software engineering experience . Experience building products in a B2B SaaS company. Strong preference for candidates from Tier 1 engineering colleges (IITs, BITS, IIITs, NITs) or engineers with experience at Y Combinator-backed startups . Strong expertise in JavaScript, TypeScript, React, and Next.js. Excellent understanding of HTML5, CSS3, responsive design, and frontend performance optimization. Experience integrating REST APIs and working with modern frontend architectures. Backend experience with Python is a strong plus but not mandatory. Strong problem-solving skills, attention to detail, and a product ownership mindset. Excellent communication and collaboration skills. Benefits Why You'll Love Working With Us Competitive salary with performance-based growth opportunities. Potential to earn up to 1.5x your monthly salary through overtime. We believe in rewarding commitment and exceptional execution. Work alongside some of the best engineering talent and accelerate your learning. Ship meaningful features at high velocity with real ownership from day one. Flexible working hours and a remote-first culture. High-impact role with significant autonomy and the opportunity to shape products used by millions. We're a small, ambitious team that values talent, execution, and ownership. If you enjoy solving hard problems, moving quickly, and building products that matter, we'd love to hear from you. Originally posted on Himalayas