Hello, I'm Daniel Allegretti. Senior Frontend Software Engineer / Tech Lead from Brazil. Passionate about building things, solving problems, and helping people.

Senior Frontend Software Engineer / Tech Lead from Brazil. Passionate about building things, solving problems, and helping people.
Daniel Allegretti

About

A curious software engineer driven by challenges, with experience in developing web applications, mobile applications, games, and open-source projects. Always eager to learn new technologies and improve my skills.

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Tivita platform

Automating billing, document issuance, medical records, and scheduling for clinics and medical offices. Front-end development, feedback collection, and analytics.

React
Next.js
Typescript
TailwindCSS
Shadcn UI
Testing Tools
Playwright
Unleash

Nike BR e-commerce

One of the websites with the highest traffic in the country. Development of wholesale and retail e-commerce, back-office applications, and system design.

React
Next.js
Typescript
Styled-Components
Testing Tools
Playwright
Unleash
Stripe

Centauro e-commerce

Development for centauro.com.br, including e-commerce, marketplace, design system and other back-office applications.

React
Next.js
Typescript
Styled-Components
Mobx
Testing Tools
Playwright
Unleash

Praia Bingo game

Built game mechanics, HUD, core systems, back-end server integration and visual effects.

ActionScript
Adobe Air
Starling Framework

Work Experience

T

Tivita

Front-end Tech Lead
Jun 2024 - Oct 2025
Technical leadership of the front-end team. Web application architecture, development, tech talks, and mentorship. Stack: React, Next.js, Tailwind, TypeScript, Testing Tools, Playwright.
N

Nike BR / Grupo SBF

Senior Front-end Engineer
Feb 2021 - Oct 2023
Front-end for wholesale and retail e-commerce (nike.com.br), back-office applications, and Design System. Stack: React, Styled-Components, TypeScript, Jest, Testing Tools, Playwright.
C

Centauro / Grupo SBF

Senior Front-end Engineer
Sep 2018 - Feb 2021
Front-end for e-commerce (centauro.com.br), marketplace seller portal, and Design System. Stack: React, MobX, PWA, Aphrodite, Styled-Components, TypeScript, Jest, Testing Tools, Server-Side Rendering.
E

Eleven Chimps / Pet Nativa

Software Engineer
Nov 2017 - Aug 2018
Full-stack development for institutional site, e-commerce, and a web app used by veterinarians during client onboarding. Stack: Vue.js, Vuex, PWA, Styled-Components, TypeScript, Jest, Testing Tools.
G

Ghaio Personal Finance

Co-founder
Oct 2015 - Jul 2017
Developed a personal finance app for iOS and Android. Stack: React Native, Redux, Styled Components, Parser Server, MongoDB.
G

Germinadora de Startups

Software Engineer
Aug 2016 - Jul 2017
Full-stack development of web and mobile applications focused on education. Stack: React, Redux, React Native, Sagas, UWA, PWA, Mocka, Chai, Enzyme.
S

Sprinklr / Scup

Software Engineer
Sep 2015 - Mar 2016
Front-end development for customer experience management platform app and JavaScript libraries. Stack: React, Redux, Remix, JavaScript, SASS, LESS.
I

Insane Media / Insane Games

Game Developer
Feb 2015 - Sep 2015
Developed educational game Luminamente for Windows, macOS, iOS, and Android. Stack: ActionScript 3, Adobe Air, Parse, Starling Framework, JavaScript, C#.
P

Pipa Studios / Assukar Games

Game Developer
Jan 2014 - Aug 2014
Developed games Praia Bingo and Magic Casino for iOS and Android. Stack: ActionScript 3, Adobe Air, Starling Framework.
E

Ebix

Front-end Developer
Jun 2013 - Jan 2014
Developed prototypes and front-end systems for insurance companies and brokers (segurar.com and Sincor). Stack: ActionScript 3, Adobe Air, Starling Framework.
S

Slikland

Co-founder
Oct 2012 - Mar 2013
Built websites, apps, prototypes, and Facebook games. Stack: ActionScript 3, Adobe Air, HTML, CSS, JavaScript, C++.
V

Vostu Games

Game Developer
Jan 2011 - Feb 2012
Developed and maintained social network games for Orkut and Facebook: Pet Mania, MegaCity, Café Mania, Flying Kingdoms, and World Mysteries. Stack: ActionScript 3, Adobe Air, Pixel Bender, HTML, CSS, JavaScript, PhoneGap.
A

Abril Digital / Editora Abril

Senior Creative Developer
Sep 2008 - Jan 2011
Researched new technologies/interfaces, developed web and desktop apps, prototypes and augmented reality apps, data visualization and image editing. Stack: ActionScript 3, Adobe Air, Pixel Bender, Objective-C.
A

Agencia Ginga

Senior Creative Developer
Aug 2007 - Feb 2008
Developed Flash front-ends, prototypes and libraries. Led tech team for clients such as Paris Filmes, Grupo Skin, Infraero, and Shiseido Cosméticos. Stack: ActionScript 3, Adobe Flash.
G

Garage Interactive Marketing

Creative Developer
Jan 2007 - Aug 2007
Developed front-end websites for clients such as Skol and Toyota. Stack: ActionScript 3, Adobe Flash.
M

McCann Erickson

Creative Developer
Apr 2006 - Jan 2007
Full-stack development for Flash sites, PHP backends, tracking systems and newsletters. Led technology team. Clients included Coca-Cola, GM, Microsoft, ACDelco, Arcor, Nestlé, TIM. Stack: ActionScript 2 and 3, Adobe Flash, PHP, MySQL.
G

Grafikonstruct

Web Developer
Mar 2005 - Apr 2006
Full-stack website development and tracking systems for newsletters. Clients included Motorola, Arezzo, Democrata, Morumbi Shopping. Stack: ActionScript 2, Adobe Flash, PHP, MySQL, SQL Server.
B

BSI Tecnologia

Web Developer
Oct 2004 - Mar 2005
Corporate website development and application maintenance, plus e-learning courses. Stack: ActionScript 2, Adobe Flash, PHP, MySQL, AICC, SCORM.
W

Web80 / Ezzato

Webmaster
Aug 2002 - Jul 2003
Developed websites, web applications, banners, animations and presentations.
P

Primeway Informática

Webmaster
Jun 2000 - Apr 2001
Developed websites, banners, image treatment and production, animations, presentations and CD-ROMs.

Get in Touch

Want to chat? Just shoot me a dm with a direct question on WhatsApp and I'll respond whenever I can. I will ignore all soliciting.