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Hi there! I’m Mariano Zamora, a Senior Full-Stack JavaScript Developer based in Madrid with a passion for clean architecture, performance, and user-focused solutions. I enjoy bridging frontend and backend work to deliver cohesive, scalable web applications for fast-moving startups and established teams alike. I collaborate effectively with remote, global teams, leveraging React, Next.js, Node.js, and TypeScript to ship solutions that feel seamless to users while remaining robust and maintainable on the backend. I’m continually learning and applying best practices to keep pace with the evolving web landscape.…Hi there! I’m Mariano Zamora, a Senior Full-Stack JavaScript Developer based in Madrid with a passion for clean architecture, performance, and user-focused solutions. I enjoy bridging frontend and backend work to deliver cohesive, scalable web applications for fast-moving startups and established teams alike. I collaborate effectively with remote, global teams, leveraging React, Next.js, Node.js, and TypeScript to ship solutions that feel seamless to users while remaining robust and maintainable on the backend. I’m continually learning and applying best practices to keep pace with the evolving web landscape.

Mariano Zamora

Full Stack Developer, Front-End Developer, Back-End Developer, +1

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Hi there! I’m Mariano Zamora, a Senior Full-Stack JavaScript Developer based in Madrid with a passion for clean architecture, performance, and user-focused solutions. I enjoy bridging frontend and backend work to deliver cohesive, scalable web applications for fast-moving startups and established teams alike. I collaborate effectively with remote, global teams, leveraging React, Next.js, Node.js, and TypeScript to ship solutions that feel seamless to users while remaining robust and maintainable on the backend. I’m continually learning and applying best practices to keep pace with the evolving web landscape.…Hi there! I’m Mariano Zamora, a Senior Full-Stack JavaScript Developer based in Madrid with a passion for clean architecture, performance, and user-focused solutions. I enjoy bridging frontend and backend work to deliver cohesive, scalable web applications for fast-moving startups and established teams alike. I collaborate effectively with remote, global teams, leveraging React, Next.js, Node.js, and TypeScript to ship solutions that feel seamless to users while remaining robust and maintainable on the backend. I’m continually learning and applying best practices to keep pace with the evolving web landscape.

Available to hire

Hi there! I’m Mariano Zamora, a Senior Full-Stack JavaScript Developer based in Madrid with a passion for clean architecture, performance, and user-focused solutions. I enjoy bridging frontend and backend work to deliver cohesive, scalable web applications for fast-moving startups and established teams alike.

I collaborate effectively with remote, global teams, leveraging React, Next.js, Node.js, and TypeScript to ship solutions that feel seamless to users while remaining robust and maintainable on the backend. I’m continually learning and applying best practices to keep pace with the evolving web landscape.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Portuguese

Advanced

Work Experience

Senior TypeScript Engineer (Contractor) at Paramo Technologies

July 1, 2025 - September 24, 2025

Developed high-quality, scalable frontend applications using React and TypeScript, and backend services with Node.js. Built a complex BFF dashboard for traders at betonline.ag, featuring advanced management tools and real-time data handling. Collaborated with a fully remote global team to deliver clean, maintainable, high-performance code. Used containerization and orchestration technologies such as Docker and Kubernetes for deployment and scalability. Integrated backend services built on .NET, ensuring smooth communication and API reliability. Implemented best practices in architecture, code quality, and performance optimization in a fast-paced remote environment.

Senior Software Engineer (Freelance TypeScript) at Avantica

May 31, 2023 - September 24, 2025

Developed scalable frontend components with React, Next.js and Vue, and backend APIs with Node.js. Led frontend development, integrated REST and GraphQL APIs; managed state with Redux and React Context. Optimized performance via code splitting and frontend best practices. Refactored legacy code to improve maintainability and reduce technical debt.

Technical Lead at Banco de Crédito del Perú (BCP)

December 31, 2021 - September 24, 2025

Led frontend and backend initiatives with TypeScript; contributed to architecture decisions; mentored teams; collaborated across departments to deliver fintech solutions.

Senior Frontend Developer at Avantica

August 1, 2020 - September 24, 2025

Led frontend development with React and Angular, built data models, applied Atomic Design principles to UI architecture, and delivered secure, scalable web apps for banking clients. Optimized JavaScript performance and data queries; managed Git workflows for collaboration.

Senior Frontend Developer at Urbaner

May 31, 2018 - September 24, 2025

Led frontend development with React and Angular, and backend APIs with Node.js. Applied Atomic Design to UI structure, built real-time tracking features, interactive maps, and live data components.