I am Mariano De Simone Furnari, a Senior Full Stack Developer with 8+ years of frontend experience and 3+ years in backend. I specialize in React, Next.js, and TypeScript, with solid expertise in Node.js/Express and modern UI libraries like Material UI, Tailwind, and Bootstrap. I lead full-stack squads, define technical strategy, and deliver scalable, high-performance web applications. Throughout my career I have built large-scale frontend apps for telecom and SaaS products, mentored teams, and driven architectural decisions. I enjoy mentoring, code reviews, and leveraging AI-driven features and automation to improve delivery. I am passionate about design patterns, modular architecture, and creating maintainable software while aligning with business goals.

Mariano De Simone Furnari

I am Mariano De Simone Furnari, a Senior Full Stack Developer with 8+ years of frontend experience and 3+ years in backend. I specialize in React, Next.js, and TypeScript, with solid expertise in Node.js/Express and modern UI libraries like Material UI, Tailwind, and Bootstrap. I lead full-stack squads, define technical strategy, and deliver scalable, high-performance web applications. Throughout my career I have built large-scale frontend apps for telecom and SaaS products, mentored teams, and driven architectural decisions. I enjoy mentoring, code reviews, and leveraging AI-driven features and automation to improve delivery. I am passionate about design patterns, modular architecture, and creating maintainable software while aligning with business goals.

Available to hire

I am Mariano De Simone Furnari, a Senior Full Stack Developer with 8+ years of frontend experience and 3+ years in backend. I specialize in React, Next.js, and TypeScript, with solid expertise in Node.js/Express and modern UI libraries like Material UI, Tailwind, and Bootstrap. I lead full-stack squads, define technical strategy, and deliver scalable, high-performance web applications.

Throughout my career I have built large-scale frontend apps for telecom and SaaS products, mentored teams, and driven architectural decisions. I enjoy mentoring, code reviews, and leveraging AI-driven features and automation to improve delivery. I am passionate about design patterns, modular architecture, and creating maintainable software while aligning with business goals.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Spanish; Castilian
Fluent

Work Experience

Team Lead at Qida
January 1, 2024 - Present
Led the Prevention Squad delivering full-stack applications; defined architecture and technical strategy.
Senior Frontend Developer at Etereo / +Orange
March 1, 2023 - December 1, 2024
Developed and maintained large-scale frontend applications for telecom users.
Senior Frontend Developer at Cognizant
January 1, 2022 - April 1, 2023
Worked as a Senior Frontend Developer for European clients; stack includes ReactJs, SASS, Redux Toolkit, unit testing, and E2E testing.
Digital Products Engineering Manager at BairesDev
September 1, 2020 - January 1, 2022
Led a team of 7 developers delivering internal web platforms.

Education

B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - October 27, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - November 30, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - November 30, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - December 1, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - December 1, 2025
Global Dev Expert: Software Architecture (Honors) at Pontificia Universidad Católica Argentina
January 11, 2030 - December 1, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - December 1, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - December 8, 2025
B.A. in Communication at Pontificia Universidad Católica Argentina
January 11, 2030 - December 22, 2025
Bachelor's degree in Communications at Pontificia Universidad Católica Argentina
January 11, 2030 - February 12, 2026
Software Architecture Graduate with Honors at Global Dev Expert
January 11, 2030 - February 12, 2026

Qualifications

Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - October 27, 2025
Global Dev Expert: Software Architecture
January 11, 2030 - November 30, 2025
Global Dev Expert: Software Architecture
January 11, 2030 - November 30, 2025
Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - November 30, 2025
Global Dev Expert: Software Architecture (Honors)
January 11, 2030 - December 1, 2025
Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - December 1, 2025
Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - December 8, 2025
Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - December 8, 2025
B.A. in Communication
January 11, 2030 - December 8, 2025
Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - December 22, 2025
Global Dev Expert: Software Architecture (Honors Graduate)
January 11, 2030 - December 22, 2025
Software Architecture Graduate with Honors
January 11, 2030 - February 12, 2026

Industry Experience

Software & Internet, Healthcare, Professional Services, Real Estate & Construction, Financial Services, Media & Entertainment, Education, Telecommunications