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Breno – React, Angular, Typescript, experts in Lemon.io

Breno

From Brazil (UTC-3)flag

Full-stack Web Developer|Middle-to-senior

Breno – React, Angular, Typescript

Breno is a Full-stack Engineer with 8 years of experience across startups and enterprises, specializing in Node.js, AWS, and Angular. He has led cross-functional teams, currently manages 7 developers, and is known for clear communication, ownership, and client-focused delivery. Strong in back-end architecture and performance optimization, he also brings practical AI experience, including an OpenAI-based legacy migration POC and daily use of Copilot and Claude Code to accelerate development and improve code quality.

8 years of commercial experience in
Agritech
AI
Banking
Beauty
Data analytics
Farming
Fintech
IoT
Manufacturing
UI/UX
B2B2C
B2C
Cooperative
Mobile apps
Web development
Software development
Financial asset management
Main technologies
React
4.5 years
Angular
6 years
Typescript
8.5 years
Node.js
6 years
AWS
5 years
Additional skills
AWS Lambda
CI/CD
Nest.js
React Native
Azure DevOps
Spring
Java
Angular.js
Tailwind CSS
UI/UX
Agile
Vue.js
Design system
JavaScript
Next.js
MCP Server
AI API integration
Angular Material
Material UI
Python
WebSocket
Direct hire
Possible
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Experience Highlights

Full-stack Developer & Tech Lead
Aug 2023 - Ongoing2 years 7 months
Project Overview

It’s two projects I worked on: one is a React Native fintech mobile app with AWS-based microservices, and the other is an AI platform for modernizing legacy codebases.

Responsibilities:
  • Led full-stack development of React Native mobile app with plugin architecture and AWS Lambda microservices.
  • Architected cloud infrastructure and implemented CI/CD pipelines.
  • Mentored engineers across all seniority levels.
  • Led Angular micro-frontend implementations using Single-SPA.
  • Established BFF architecture standards with Nest.js.
  • Championed WCAG compliance initiatives.
Project Tech stack:
React Native
AWS Lambda
CI
CD
Angular
Nest.js
Node.js
AI API integration
MCP Server
Python
Independent Developer
Nov 2017 - Jan 20257 years 2 months
Project Overview

It’s independent, end-to-end product development, building web and mobile apps for early-stage clients from concept to production, with full ownership across tech and delivery.

Responsibilities:
  • Led front-end development across Vue.js, React, and Angular with micro-frontend architecture.
  • Designed scalable micro-frontend solutions and contributed to the design system establishment.
  • Collaborated cross-functionally to define UI/UX patterns and drove design system component adoption.
  • Streamlined UI development using Tailwind CSS within Agile iterative processes.
Project Tech stack:
Vue.js
React
Angular
Tailwind CSS
Design system
UI
UX
Agile
Node.js
Solutions Architect
Jun 2022 - Aug 20231 year 2 months
Project Overview

It’s a digital banking platform for a credit cooperative to enable independent team development and scalable feature delivery.

Responsibilities:
  • Architected enterprise-grade front-end solutions across 5+ projects.
  • Designed cloud-native architectures using Azure DevOps and AWS.
  • Established architectural standards for multiple enterprise initiatives.
  • Migrated 3 legacy applications to modern cloud-native architectures.
Project Tech stack:
React
Nest.js
Azure DevOps
AWS
Angular
Angular Material
Material UI
Software Engineer
Sep 2019 - May 20222 years 8 months
Project Overview

It’s an enterprise online banking web app that enables independent team delivery and provides accessible, full-service banking features.

Responsibilities:
  • Developed front-end features with AngularJS/Angular.
  • Built back-end logic with Node.js/Java Spring.
  • Guided team on software engineering best practices and continuous evolution training.
Project Tech stack:
Angular.js
Angular
Node.js
Java
Spring
Python
Front-end Lead Engineer
Sep 2018 - Sep 20191 year
Project Overview

It’s two platforms I worked on: one is a real-time manufacturing monitoring system for production operations, and the other is an agricultural management platform for tracking farm workflows and data.

Responsibilities:
  • Led front-end teams across manufacturing and agricultural technology projects.
  • Established development standards and coordinated with backend teams.
  • Managed a team of 3 front-end developers.
  • Delivered manufacturing platform ahead of schedule.
Project Tech stack:
Angular
Typescript
Tailwind CSS
Angular Material
Design system
WebSocket

Education

2020
Software Engineering
Postgraduate Degree
2015
Computer Science
Exchange Program - Science without Borders
2010
Computer Science
Technical Degree

Languages

Portuguese
Advanced
English
Advanced

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