Gabriele Ferreri — CTO

Senior Full-Stack Engineer with 25+ years of experience building enterprise-scale web applications. I specialize in React, TypeScript, Node.js, and PostgreSQL—technologies I use daily to solve complex technical challenges. **What I Do:** Currently working full-time at ColPal on healthcare payment systems, digital payments platforms, and AI-powered applications. I also take select consulting projects through Toptal, where I help companies build production-ready systems. **Real Impact:** • Optimized enterprise data processing from 2 weeks to 15-30 minutes (99% improvement) • Architected 100+ API integrations for a unified platform • Processed several million addresses for market intelligence systems • Built component libraries used across multiple enterprise products **Technical Expertise:** Frontend: React (10+ years), TypeScript, Next.js, Redux, Tailwind CSS Backend: Node.js (10+ years), Express, REST APIs Databases: PostgreSQL, SQL Server, Redis Cloud: Google Cloud (Cloud Run, Cloud Functions), Docker, CI/CD Tools: Jest, Storybook, Lerna, Git workflows **Approach:** I focus on clean, maintainable code over clever hacks. I believe in proper testing, iterative development, and building what users actually need—not what assumptions suggest. Every solution I build is backed by data and real-world validation. **Current Focus:** Exploring developer tools and productivity solutions for React/TypeScript developers. Also building my presence through technical content that shares real experiences, not generic advice. **Want to Connect?** I'm always open to discussing: - Complex React/TypeScript architecture challenges - Performance optimization at scale - API design and integration patterns - Transitioning from legacy systems to modern stacks Also active on Codementor as a highly-rated React expert, helping developers debug applications and improve their code architecture.

Stackforce AI infers this person is a Full-Stack Engineer specializing in Healthcare and SaaS solutions.

Location: Francavilla Fontana, Apulia, Italy

Experience: 19 yrs 8 mos

Skills

React
Node.js
C#
Angular
Asp.net

Career Highlights

25+ years of experience in full-stack development
Expert in React, TypeScript, and Node.js
Proven track record in optimizing enterprise systems

Work Experience

Freelance

Self Employed (1 mo)

Self Employed (0 mo)

Self Employed (1 mo)

Localli

Chief Technology Officer (5 yrs 4 mos)

Toptal

Full Stack Senior Developer (React/Node.js/Typescript) (6 yrs 8 mos)

Sphera

Full Stack ASP.NET Senior Developer (C#, Angular, TypeScript, SQL Server) (18 yrs 8 mos)

UN - International Computing Centre

Developer (1 yr)

Developer (0 mo)

DS Group

C# Developer (1 yr)

Education

Laurea in Informatica at Università degli Studi di Bari

Laurea at Università degli Studi di Bari

Gabriele Ferreri

CTO

Francavilla Fontana, Apulia, Italy19 yrs 8 mos experience

Most Likely To SwitchAI ML Practitioner

Key Highlights

25+ years of experience in full-stack development
Expert in React, TypeScript, and Node.js
Proven track record in optimizing enterprise systems

Stackforce AI infers this person is a Full-Stack Engineer specializing in Healthcare and SaaS solutions.

Contact

Skills

Core Skills

ReactNode.jsC#AngularAsp.net

Other Skills

TypeScriptSQL ServerASP.NET CoreGoogle BigQueryFacebook Marketing APIFFmpegGoogle Maps APIPythonGen AISoftware DevelopmentMicrosoft SQL ServerXMLVisual Studio.NETAngularJS

About

Experience

19 yrs 8 mos

Total Experience

6 yrs 10 mos

Average Tenure

18 yrs 8 mos

Current Experience

Freelance

5 roles

Self Employed

Jun 2021 – Jul 2021 · 1 mo

Data Entry System and Complex Reports (PDFs, Excel)
The Health Council of West Central Florida was looking to update their old entry and reporting system with something easier to use and more modern.
Designed and implemented a React and ASP.NET Core web application to speed up their intense data entry.
Implemented complex reports and allow users to export them in PDF and Excel.

ReactASP.NET CoreASP.NET

Self Employed

Feb 2021 – Mar 2021 · 1 mo

Web Application to Allow Companies to Generate Surveys (NDA)
This project allows the company to configure dynamic surveys based on specific requirements and provide custom URLs and credentials to allow users to compile them.
Designed and implemented a React and Node.js admin web application to configure surveys.
Designed and implemented React and Node.js public-facing application that allows users with URL and credentials to compile the survey.
Implemented reports that show the results of the surveys.

ReactNode.js

Self Employed

Nov 2020 – Dec 2020 · 1 mo

Optimize Ads using Google BigQuery and Facebook Marketing API (NDA)
This project allows the company to optimize its manual process to handle several hundred ads on Facebook.
Designed and implemented a Node.js application that reads data stored in Google BigQuery and uses it to apply changes to Facebook Ads.
Implemented log of the changes and the result for each change.

Node.jsGoogle BigQueryFacebook Marketing API

Self Employed

Sep 2020 – Sep 2020 · 0 mo

Automatic video editing (NDA)
In this project, the company needed to automatically manipulate a huge amount of videos in a very short time because they have a fixed deadline. I was able to complete everything, included the processing, two days before the deadline.
Designed and implemented a Node.js application that uses the FFmpeg library to convert from multiple video formats to MP4.
Implemented overlay company logo over the videos based on certain requirements and configurations.
Implemented process to generate multiple screenshots and thumbnails of the videos.

Node.jsFFmpeg

Self Employed

Aug 2020 – Sep 2020 · 1 mo

Web Application with Google Maps API (NDA)
This project allows the company to identify addresses that are close to each other and bring valuable market insights. The project handled several million addresses.
Designed and implemented React and Node.js web application that integrates Maps with custom animated markers.
Integrated Google Maps API into the web application to identify latitude and longitude of a list of addresses and then, using an algorithm, identify which ones are close to each other.
Implemented filter and customization of the result to allow the company to get more valuable insights.

ReactNode.jsGoogle Maps API

Localli

Chief Technology Officer

Dec 2020 – Present · 5 yrs 4 mos

Toptal

Full Stack Senior Developer (React/Node.js/Typescript)

Aug 2019 – Present · 6 yrs 8 mos · Remote

I work as a top-notch freelance remote Full Stack Senior Developer (React/Node.js/Typescript) for Toptal clients. Toptal - is an exclusive network of the top 3% of freelance software developers, designers, and finance experts in the world.
Check my availability now via Toptal here: https://www.toptal.com/resume/gabriele-ferreri

ReactNode.jsTypeScript