Harshna N Haswani

Full stack web developer · Full-time · December 2022 – 2025

• Architected scalable, CMS-powered frontend with Next.js and Tailwind across 3+ apps ; built a modular design system with 40+ WCAG-compliant components, enabling rapid A/B testing of page layouts and higher conversion without code changes.
• Improved Core Web Vitals to 92%+ scores ( LCP 0.6s , TBT 80ms , CLS 0.002 ).
• Developed a Natural Language Interface that replaces complex filter arrays with a conversational sentence structure, simplifying loan discovery and delivering a native-grade experience inside third-party embedded widgets.
• Engineered a Server-Driven UI (SDUI) engine that decoupled frontend release cycles from business logic, cutting new journey deployment from weeks to minutes and affiliate onboarding from one week to a half-day .
• Built a dynamic lead scoring system for 200+ B2B affiliates and sub-affiliates, achieving 100% test lead clearance and 60% reduction in spam leads, with transparent reporting for partners and QA.
• Implemented a layered RBAC system for 100+ tables with CMS-editable permissions, tenant-aware restrictions, audit logging , and field-level control.
• Processed 130,000+ structured XML product records with clean schema mapping and data integrity for AI training ; built Python pipelines to ingest XML into PostgreSQL .
• Spearheaded platform modernization: migrated APIs from REST to GraphQL and database from CMS to custom backend; executed 8+ version updates and breaking changes with zero data loss and 100% uptime .
• Managed payment workflows with Stripe

Software Developer / WordPress Developer · Contract · August – October 2024

• Served as technical advisor during design, providing feasibility assessments and guiding stakeholders through UI/UX trade-offs ; executed end-to-end deployment upon approval.
• Translated high-fidelity client designs into a fully responsive WordPress site, with consultation on hosting and SEO best practices.

Junior developer · Contract · October 2021 – December 2022

• Built 2 custom Eleventy plugins for pagination and folder-based collection generation, re-used across Coko’s Eleventy projects.
• Co-developed an MVP for a task-based team management tool using JavaScript and WebSocket , enabling real-time collaboration and concurrent editing.
• Contributed to database schema design using Strapi CMS for efficient data organization and retrieval.
• Authored comprehensive documentation for Flax , an Eleventy-based journal site boilerplate, streamlining development for future contributors.
• Co-developed the HTML-to-print publishing workflow with PagedJS , generating hundreds of publication-quality PDFs in minutes
• Migrated the Paged.js website codebase from Hugo to Eleventy for simplicity and flexibility.
• Refactored and modularized indexing and pagination code using Nunjucks macros , improving reusability and maintainability.
• Strengthened frontend skills in UX , logic building, and technical documentation ; streamlined content operations through custom tooling.

3D & AR/VR Intern · Internship · August – September 2020

• Led a research team on AR/VR applications for web and mobile; created interactive 3D product models for web ( Three.js ) and mobile ( Unity ).