Keegan Colaco.

Frontend Developer

Lucres · Remote

• Built and shipped features across a 75-route Next.js App Router platform serving 23,000+ active users — job search, applicant tracking, real-time messaging, an AI resume builder, admin dashboards with role-based access and analytics, and multi-tenant white-label careers sites.
• Primary maintainer of a 130+ component design system — component architecture, design tokens, theming and dark mode — partnering with designers on Figma handoffs to ship pixel-perfect responsive UI with consistent Framer Motion interaction feedback.
• Engineered a scalable real-time chat system in Next.js and TypeScript using Socket.IO, supporting 1:1 and group communication with optimistic updates, virtualized threads, presence tracking and resilient reconnect strategies.
• Built an AI-powered resume builder end to end: a contentEditable rich-text editor, PDF parsing for one-click import into structured fields, a live preview engine across 4 templates with instant layout switching and A4 pagination, and a contextual AI suggestion system.
• Architected multi-tenant SSR career pages, letting companies launch fully branded portals on subdomains or custom domains with SSO authentication and server-rendered CSS custom properties for correct branding on first paint.
• Improved performance on data-heavy feeds and dashboards by migrating caching to TanStack Query v5 for request deduplication and cache invalidation, and resolved a production OOMKill crash-loop that improved SSR stability and cut infrastructure costs by 40%.
• Raised accessibility to WCAG 2.1 across the messaging surface with focus trapping, focus restore, keyboard operation and correct dialog semantics for all modals and action menus.

Freelance Frontend Web Developer

Freelancer · Remote

• Delivered 8+ production websites end to end for dermatology and dentistry clients using React.js and Next.js, owning scoping, pixel-perfect Figma-to-code implementation, deployment and post-launch iteration as the sole developer.
• Drove a 60% lift in organic search traffic within 2 months through on-page SEO and Lighthouse-guided Core Web Vitals optimization.
• Implemented Generative Engine Optimization (GEO) strategies to enhance client discoverability on AI search platforms like ChatGPT and Perplexity, driving visibility for niche healthcare practices.
• Built accessible, conversion-driven interfaces with WCAG-compliant markup and strategic CTAs, translating client business goals into measurable patient lead generation.

Frontend Developer Intern

Deviant Strokes · Goa, India

• Translated Figma designs into pixel-perfect, responsive UIs adhering to UI/UX principles and design systems, ensuring consistent visual fidelity across the platform.
• Created dynamic user interfaces using HTML, CSS, JavaScript and Bootstrap, conducting thorough testing and debugging to ensure cross-browser compatibility and resolving 15+ issues.
• Optimized web performance and accessibility by implementing lazy-loading, image compression, and semantic HTML with ARIA attributes, improving Lighthouse scores.