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Resume

Hi,

I am

I’m a Fullstack developer with over 5 years of experience in software development, user interface (UI) design, and user experience (UX). I’ve worked in various professional settings, from company roles to freelance projects, where I refined my skills in software engineering, architecture, and interface design.

Resume
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Introduction

About me

Technology enthusiast focused on front-end/back-end development, interface design, and software engineering. I strive for continuous growth as a professional by applying my knowledge in practice, sharing insights, and exchanging experiences throughout the journey. Graduated in Information Systems, I develop applications independently, always seeking new challenges with charisma, dedication, and passion.

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Avatar borderLeonardo Dias Lissone Santomero
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What I Have Done So Far

Work Experiences

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G5 Partners

Development Analyst

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    Planned and developed scalable software architectures for internal systems.

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    Actively contributed to innovation projects, applying software engineering best practices.

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    Refactored codebases with a focus on scalability and reusability.

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    Created tools and features aimed at automating operational processes.

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    Performed preventive, corrective, and evolutionary maintenance on internal applications.

February 2024 - Present
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Santander

Innovation Intern

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    Planned and prototyped an internal project aimed at improving productivity and system integration for credit analysts.

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    Reorganized Excel-based reports into interactive dashboards using UX principles and data analysis.

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    Developed front-end features for internal tools using Angular.

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    Generated routine reports using big data tools and technologies.

September 2021 - March 2022
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Serget

Development Intern

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    Deployed a special parking permit management system, generating direct impact on public sector operations.

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    Maintained and developed tools and features for both public and private internal systems.

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    Redesigned internal web software with interface prototyping using Figma.

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    Collaborated in the planning and design of new system architectures.

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    Refactored code and improved architecture in legacy projects.

January 2020 - September 2021
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My works

Projects I've Developed

Delicias da Si

Sweet delivery e-commerce with rewards, coupon marketplace, dynamic order management, and exclusive design.

ReactJs NextJs Typescript Firebase Prismic CMS React Google Maps Nodemailer Styled Components
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Dota 2 - Quiz Game

Quiz site design for the game Dota 2, with private rooms, difficulty levels, and time limits for answers.

Figma
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Point Control

A complete project of internal people management control, aimed at the human resources sector of any type of company.

Typescript NodeJs ReactJs NextJs AngularJs ChakraUI Redis SqlServer
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Qatar 2022 - Stikers

Qatar 2022 World Cup album sticker management application design. With statistics, backup and exchange system.

Figma
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Eficient

Landing page design for selling capture pages and customized and personalized websites according to the client's brand.

Figma
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Dan Doceria

Ecommerce website design for varied sweets, with rewards for each order placed and coupon market as a differential. Focus on responsiveness of mobile devices.

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What’s Next?

Contact me

Got something interesting in mind or want to exchange experiences? I’m always open to great connections.

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