SujanShrestha

Enhanced accessibility and cross-device usability by upgrading legacy systems with responsive design, keyboard navigation, and WCAG compliance, reducing accessibility-related support tickets by 35% and enabling clients to serve a broader audience.

Improved Core Web Vitals by reducing Largest Contentful Paint (LCP) from 2.78s to 1.95s and Cumulative Layout Shift (CLS) from 0.21 to 0.09, contributing to improved search visibility and user engagement.

Modernized a legacy application by introducing modular architecture and reusable domain-driven components following SOLID principles, reducing technical debt, accelerating feature delivery, and improving long-term maintainability.

Architected a serverless image delivery pipeline using AWS S3 and CloudFront (OAC), offloading image optimization from Next.js servers and reducing EC2 CPU utilization by 75%. Eliminated Node.js image-processing bottlenecks under high e-commerce traffic, improving image TTFB from ~1.2s to <50ms at the edge and preventing server instability during peak loads.

Improved release reliability by enhancing CI/CD pipelines and deployment workflows, reducing manual deployment effort and enabling faster, more predictable software releases.

Migrated GraphQL queries from inline .gql usage to .graphql file-based structure, introducing cursor pagination and persisted queries, improving API performance, maintainability, and query consistency.

Delivered multiple client projects end-to-end, working closely with cross-functional teams to transform business requirements into maintainable and scalable software solutions.

Explored and implemented authentication strategies using NestJS, including JWT-based authentication and TOTP-based two-factor authentication, improving application security for sensitive user actions and strengthening overall access control design.

Built server-side rendered applications using Next.js, evaluating different rendering, caching, and data-fetching approaches to improve performance and reduce page load times by ~25%.

Researched and integrated third-party services such as Zendesk and Recommbee by analysing API documentation and adapting integration strategies to improve support workflows and user personalisation.

Worked closely with designers to translate Figma designs into responsive and accessible interfaces, iterating based on feedback to improve usability and user experience.

Designed and implemented backend services using NestJS, building REST APIs, validation layers, and core business workflows to support frontend applications and ensure reliable and consistent data flow.