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Marlon Mora

@marlonmora

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Senior Frontend Engineer specializing in high-performance React/Next.js applications and accessibility.

United States

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What I'm looking for

I seek senior frontend roles focused on high-performance, scalable web apps where I can lead migrations, optimize UX and collaborate cross-functionally to deliver measurable impact.

I am a Senior Frontend Engineer with 9+ years building high-performance, production-grade web applications using React, Next.js, and TypeScript. I architect modular frontend systems, lead migrations from legacy frameworks, and optimize rendering and data flows to deliver fast, reliable user experiences for data-heavy and real-time dashboards.

I collaborate closely with backend, AI, and product teams to translate complex business logic into intuitive interfaces, improve developer velocity, and harden security and accessibility. My work has driven measurable improvements in load performance, feature delivery time, and user engagement across financial and AI-driven products.

Experience

Work history, roles, and key accomplishments

Senior Frontend Engineer

Apr 2023 - Nov 2025 (2 years 7 months)

Improved dashboard load performance by 35% through rendering optimizations and memoization; architected reusable component systems that reduced feature delivery time by 25% and integrated real-time AI-driven insights into data-heavy dashboards.

React Next.js TypeScript Performance Optimization Virtualization State Management Accessibility Security

Senior Full Stack Developer

PrescientEdge

Sep 2021 - Mar 2023 (1 year 6 months)

Developed secure React analytics dashboards for high-volume datasets and improved rendering performance by 30% via optimized state management and data-fetch strategies; standardized API integration and error-handling patterns to reduce UI defects.

React Vue.Js JavaScript State Management API Integration Performance Optimization Error Handling Dashboards

Senior Frontend Engineer

Initiate.ai

Oct 2020 - Aug 2021 (10 months)

Built dynamic UI workflows for AI-driven text and image generation that increased user engagement by 20%, led frontend migrations from Angular to Next.js, and reduced load times through bundle optimization and code splitting.

Next.js Angular React Real Time Updates Frontend Architecture

Frontend Developer

Epsilon

Oct 2017 - Oct 2020 (3 years)

Developed responsive web applications using React and modern web technologies, improving frontend performance by 25% through rendering optimizations and efficient API integration while ensuring cross-browser compatibility.