Software Engineer
Led newsletter migration to Next.js micro-frontend architecture and delivered global unsubscription flows across 50+ countries.
I am Sanu Kumar, a frontend and mobile engineer focused on conversion-critical flows, scalable architecture, and speed improvements that stakeholders can actually measure.
7+
Years Experience
35%
Perf Improvement
20%
Load Time Drop
50+
Countries Supported
01 - About
I work at the intersection of product engineering and business impact: architecture that teams can evolve, interfaces people can trust, and performance that improves actual conversion journeys.
Enterprise product focus
Cross-country products, high-traffic pages, measurable KPIs.
Engineering quality
Testing discipline, accessibility standards, and maintainable code paths.
02 - Experience
Led newsletter migration to Next.js micro-frontend architecture and delivered global unsubscription flows across 50+ countries.
Migrated legacy stack to Next.js, built reusable design-system components, and reduced costs with monorepo practices.
Built onboarding platform from scratch and reduced onboarding time by 40% through workflow automation and role-based access.
03 - Skills
04 - Projects
H&M newsletter platform modernization with improved user experience and scalable architecture.
SaaS modernization for textile design workflows with distributed access and scalable architecture.
Cross-platform flight booking app with performance-first mobile UX and stable integration patterns.
05 - Education
Techno Main Salt Lake, Kolkata · Aug 2015 - Jun 2019
CGPA: 7.8 / 10
06 - Contact
I am available for freelance, full-time roles and interesting side projects. Draft your message and I will get back to you.