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I am a senior fullstack engineer (Node.js, React, Next.js) with 6 years of international experience across Italy and Spain, fluent in English and Spanish. I specialize in building products end-to-end: from architecture design and cloud infrastructure to backend APIs, frontend development, CI/CD pipelines, and testing. I have delivered complete MVPs for startups and contributed to large companies on a task-based basis, always working autonomously and ensuring scalable, production-ready solutions. I thrive in short, high-impact projects (2–6 weeks) where fast execution and ownership are essential.…I am a senior fullstack engineer (Node.js, React, Next.js) with 6 years of international experience across Italy and Spain, fluent in English and Spanish. I specialize in building products end-to-end: from architecture design and cloud infrastructure to backend APIs, frontend development, CI/CD pipelines, and testing. I have delivered complete MVPs for startups and contributed to large companies on a task-based basis, always working autonomously and ensuring scalable, production-ready solutions. I thrive in short, high-impact projects (2–6 weeks) where fast execution and ownership are essential.

Alessio Nannipieri

PRO

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

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I am a senior fullstack engineer (Node.js, React, Next.js) with 6 years of international experience across Italy and Spain, fluent in English and Spanish. I specialize in building products end-to-end: from architecture design and cloud infrastructure to backend APIs, frontend development, CI/CD pipelines, and testing. I have delivered complete MVPs for startups and contributed to large companies on a task-based basis, always working autonomously and ensuring scalable, production-ready solutions. I thrive in short, high-impact projects (2–6 weeks) where fast execution and ownership are essential.…I am a senior fullstack engineer (Node.js, React, Next.js) with 6 years of international experience across Italy and Spain, fluent in English and Spanish. I specialize in building products end-to-end: from architecture design and cloud infrastructure to backend APIs, frontend development, CI/CD pipelines, and testing. I have delivered complete MVPs for startups and contributed to large companies on a task-based basis, always working autonomously and ensuring scalable, production-ready solutions. I thrive in short, high-impact projects (2–6 weeks) where fast execution and ownership are essential.

Available to hire

Pisa, Italy

I am a senior fullstack engineer (Node.js, React, Next.js) with 6 years of international experience across Italy and Spain, fluent in English and Spanish. I specialize in building products end-to-end: from architecture design and cloud infrastructure to backend APIs, frontend development, CI/CD pipelines, and testing. I have delivered complete MVPs for startups and contributed to large companies on a task-based basis, always working autonomously and ensuring scalable, production-ready solutions. I thrive in short, high-impact projects (2–6 weeks) where fast execution and ownership are essential.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Italian

Fluent

English

Fluent

Spanish; Castilian

Advanced

Work Experience

Freelance Software Engineer at Independent / Freelance

January 1, 2025 - November 7, 2025

Freelance helping companies in digital transformation and development of new software-hardware technologies. Led R&D teams and architected solutions tailored to stakeholder and company needs. Designed, implemented, and maintained cloud infrastructure, including testing environments, CI/CD pipelines, testing frameworks, and best practices. Designed and implemented custom frontend/backend applications including payments systems and telemetry dashboards. Researched, assessed, and developed new software and hardware features to enhance products and drive innovation.

Software Engineer at Viaplay Group

September 1, 2024 - September 1, 2024

Migrated the legacy PHP checkout frontend to a modern ReactJS-based frontend, improving performance and maintainability. Developed an end-to-end testing framework using Cypress and TypeScript to ensure the reliability of critical features. Implemented and monitored telemetry data using Splunk and Splunk Cloud for proactive issue detection and system health insights. Designed and managed scalable cloud infrastructure on AWS using Infrastructure as Code tools (e.g., Terraform) to automate deployments and ensure consistency.

Software Engineer at BANANAS

January 1, 2023 - January 1, 2023

Worked on backend-focused development in Barcelona, primarily in subscription, payments, and checkout areas. Designed and implemented backend using Express, TypeScript, and PostgreSQL. Ensured comprehensive unit testing with Jest (90%+ coverage). Used Python to scrape data from over 200 metrics-enabled web pages to enrich available data. Efficiently deployed the server and a microservice API to optimize performance and functionality.

Software Engineer at Selenia Italia

July 1, 2021 - December 1, 2022

Advocated for a major hardware technology change with stakeholders, resulting in increased sales thanks to new functionalities. Wrote custom C software to control RF/US boards. Boosted system functionality by up to 40% via scripting and automation of software updates. Developed a 'Customer Area' portal aligned with Industry 4.0 principles using Vue.js + TypeScript + PostgreSQL. Projects included: Solana Transactions Wrapper, a library to facilitate SOL transactions.