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I'm a frontend and fullstack engineer with 4+ years of experience building scalable web applications, multi-tenant systems, and secure enterprise platforms. I specialize in React, Next.js, NestJS, and performance optimization (SSR/SSG). I also have experience with advanced RBAC systems and comprehensive testing strategies. I'm open to remote, part-time contractor roles and enjoy turning complex requirements into maintainable software. I value clean architecture, code quality, and collaborative teamwork.…I'm a frontend and fullstack engineer with 4+ years of experience building scalable web applications, multi-tenant systems, and secure enterprise platforms. I specialize in React, Next.js, NestJS, and performance optimization (SSR/SSG). I also have experience with advanced RBAC systems and comprehensive testing strategies. I'm open to remote, part-time contractor roles and enjoy turning complex requirements into maintainable software. I value clean architecture, code quality, and collaborative teamwork.

David Drah Llensa

Full Stack Developer, Front-End Developer, Web Developer, +2

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I'm a frontend and fullstack engineer with 4+ years of experience building scalable web applications, multi-tenant systems, and secure enterprise platforms. I specialize in React, Next.js, NestJS, and performance optimization (SSR/SSG). I also have experience with advanced RBAC systems and comprehensive testing strategies. I'm open to remote, part-time contractor roles and enjoy turning complex requirements into maintainable software. I value clean architecture, code quality, and collaborative teamwork.…I'm a frontend and fullstack engineer with 4+ years of experience building scalable web applications, multi-tenant systems, and secure enterprise platforms. I specialize in React, Next.js, NestJS, and performance optimization (SSR/SSG). I also have experience with advanced RBAC systems and comprehensive testing strategies. I'm open to remote, part-time contractor roles and enjoy turning complex requirements into maintainable software. I value clean architecture, code quality, and collaborative teamwork.

Available to hire

I’m a frontend and fullstack engineer with 4+ years of experience building scalable web applications, multi-tenant systems, and secure enterprise platforms. I specialize in React, Next.js, NestJS, and performance optimization (SSR/SSG). I also have experience with advanced RBAC systems and comprehensive testing strategies.

I’m open to remote, part-time contractor roles and enjoy turning complex requirements into maintainable software. I value clean architecture, code quality, and collaborative teamwork.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Work Experience

Frontend Engineer at FK TECH

January 1, 2023 - Present

Built an e-commerce platform from scratch using React, Next.js, and Redux. Implemented BFF architecture and integrated third-party payment gateway. Developed advanced product search and filtering logic. Applied SSR & SSG strategies for performance optimization. Conducted testing with Jest and Cypress.

Fullstack Contractor at Ewents

December 1, 2025 - February 28, 2026

Developed Launchpad Trust Center (Frontend & Backend). Frontend: React 18+, Vite, TanStack Query, SCSS Modules. Authentication: Okta integration, JWT fallback, RBAC system. Backend: NestJS modular architecture, Prisma ORM, PostgreSQL. Designed multi-tenant architecture and workflow state machines. Implemented real-time communication with WebSockets.

Frontend Developer at Globant

January 1, 2021 - December 31, 2023

Developed blog platform integrating Headless CMS with Next.js. Implemented SSR, SSG, CSR strategies. Integrated Google Analytics and improved SEO performance. Built reusable UI components for shared design systems.