Logo
Diogo – AWS, Python, React, experts in Lemon.io

Diogo

From Brazil (UTC-3)

flag
Full-stack Web DeveloperSenior
Hire developer
11 years of commercial experience
Govtech
Legal tech
Sales
Transportation
SaaS
Web development
Lemon.io stats

Diogo – AWS, Python, React

Meet Diogo, a Senior Software Engineer with over a decade of commercial experience spanning industries like legaltech, govtech, transportation, and SaaS. Proficient in Node.js, React.js, TypeScript, AWS, and Next.js, he excels at building applications from the ground up and making strategic, independent decisions to solve complex challenges.

Diogo's prior experience in people management showcases his exceptional leadership abilities, making him a valuable asset to any team. With a proven track record of delivering impactful results across multiple projects, he’s ready to elevate your team to new heights.

Main technologies
AWS
5 years
Python
3.5 years
React
9 years
Typescript
6 years
Node.js
5 years
PostgreSQL
5 years
Additional skills
Express.js
Nest.js
Next.js
Amazon S3
OpenAI API
GraphQL
React Native
Material UI
MongoDB
.NET
LangChain
Pinecone
Prompt engineering
Ready to start
To be verified
Direct hire
Potentially possible

Ready to get matched with vetted developers fast?
Let’s get started today!Hire developer

Experience Highlights

Founding Engineer (Staff Software Engineer)
Sep 2021 - Ongoing3 years 4 months
Project Overview

A robust legal operations platform designed to streamline and automate corporate functions, including entity management, contract lifecycle management, permit and license tracking, dispute resolution, and legal project management. The company centralized critical processes, ensuring compliance across 130+ countries and all U.S. states while reducing administrative burdens and costs. By enhancing efficiency and collaboration, it empowered businesses to focus on strategic growth and operational excellence.

Skeleton
Skeleton
Skeleton
Responsibilities:

As a Founding Engineer, Diogo's scope of responsibilities included:

  • designed and implemented the initial backend setup using Nest.js and frontend setup using Next.js;
  • set up CI/CD pipelines using GitHub Actions for seamless deployment;
  • configured and managed production and staging environments on AWS;
  • created a highly scalable document management solution tailored to specific needs;
  • developed the foundational AI infrastructure using Python (Flask), Langchain, OpenAI, and Pinecone for advanced functionality;
  • built a custom calendar solution for managing appointments, ensuring compliance with UI/UX requirements;
  • led a cross-functional team spanning US/Brazil time zones to address customer and operational requests efficiently.
Project Tech stack:
Next.js
React
Python
Nest.js
Node.js
OpenAI API
AWS
Amazon S3
Senior Software Engineer (Frontend & Integration focused)
Dec 2017 - Dec 20203 years
Project Overview

A technology-driven platform specializing in connecting skilled professionals with companies in need of innovative solutions. The company focused on fostering collaboration and delivering high-quality outcomes through a network of experienced talent. Its solutions empower businesses to scale efficiently and achieve their goals.

Skeleton
Skeleton
Skeleton
Responsibilities:

Diogo's main responsibilities were the following:

  • acted as a decision-maker for software architecture and technology selection for a high-traffic Single Page Application (SPA) portal;
  • designed and implemented key features that successfully grew the active user base from 10K to 1M users;
  • led the development of an onboarding portal for customers redirected from the main landing page using Next.js;
  • built a robust User/Company dashboard utilizing Next.js, Apollo, and GraphQL, transitioning from a mixed Express.js and AWS service integration to a fully optimized GraphQL API;
  • delivered multiple landing pages using React.js to onboard diverse customer segments.
Project Tech stack:
AWS
Next.js
React
Redux
Express.js
Apollo GraphQL
GraphQL
Software Engineer
Dec 2015 - Dec 20183 years
Project Overview

An experience dedicated to cutting-edge web, mobile applications, and APIs tailored for governmental use. Solutions supported various departments, both internally and internationally, enhancing efficiency, communication, and service delivery across borders.

Skeleton
Skeleton
Skeleton
Responsibilities:

Diogo's accomplishments included the following:

  • developed cutting-edge web applications, mobile applications, and APIs for government projects in Brazil and internationally;
  • designed and implemented RESTful APIs using Express.js, Node.js, MongoDB, and JWT for secure and efficient data handling;
  • built React Native mobile applications to seamlessly integrate with the developed APIs;
  • created a responsive and user-friendly web portal using React.js and Material UI, ensuring smooth API integration and a cohesive user experience.
Project Tech stack:
React
Express.js
Node.js
MongoDB
JWT
MongooseODM
Material UI
React Native

Education

2014
Computer Science
Undergraduate

Languages

Portuguese
Advanced
English
Advanced

Hire Diogo or someone with similar qualifications in days
All developers are ready for interview and are are just waiting for your requestPlace a free quotedream dev illustration
Copyright © 2025 lemon.io. All rights reserved.