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Matheus – Django, Python, JavaScript, experts in Lemon.io

Matheus

From Brazil (GMT-3)

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Full-stack Web DeveloperSenior
Hire developer
9 years of commercial experience
Biotech
Construction
Credit and lending
Customer support
Human resources
Travel
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Matheus – Django, Python, JavaScript

Matheus is a Senior Full-stack Developer with extensive experience in frontend, backend, and DevOps. He demonstrates strong problem-solving skills and a product-first mindset, backed by his 8 years of experience in web development. While he is primarily a backend-focused engineer, utilizing Python and Django, he is also capable of handling significant frontend tasks using React.

Main technologies
Django
6 years
Python
6.5 years
JavaScript
9 years
React
3 years
Django REST
4 years
Additional skills
Node.js
MongoDB
Express.js
Ionic
Vue.js
Angular
Lambda
AWS
Auth0
Knockout.js
HTML
SASS
Lambdas
Terraform
Apollo GraphQL
CSS
Celery
OpenAPI
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Senior Software Engineer
May 2023 - Mar 202410 months
Project Overview

A company that offers SAAS products and API integrations for the Mortgage industry.

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Responsibilities:
  • His main activity, which took several months, in the company was to work on a new feature/project to reduce the amount of processing time in a process that demanded a ton of data to send and receive. Clients used to hit a single endpoint a hundred (or even more) times in a row to get results for several scenarios. Matheus' job was to develop, with another team, a feature to process all those scenarios at once, in batches. Using async tasks handled by Celery, the initial result, before wide release, was a contract that helped to reach USD 10mi ARR for the company.
  • Proposed the use of OpenAPI to document our API.
  • Led a project that the outcome, before wide release, was a contract that helped to reach USD 10mi ARR milestone for the company.
  • Helped document almost half of endpoints.
Project Tech stack:
Django
Django REST
Celery
OpenAPI
Senior Software Engineer
Jan 2022 - May 20231 year 4 months
Project Overview

A custom software and app development company that solves hard problems. Business & systems integration.

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Responsibilities:
  • The first client was in the client support business. Developed more integrations to their services. Demonstrated the need for more testing and the lack of a few team policies.
  • The next client was in the HR business. Worked on the UI side and front-end business cases. Also, addressed key issues on tooling, preventing broken code from being committed to the main repository; addressed long non-resolved performance issues.
  • The last client, on the third-party services contractors. Led research to refactor an important part of the application that was slow and malfunctioning. Demonstrated important solutions and ways to refactor and improve that area. Worked on developing new features and maintaining the web and mobile versions of the application.
  • Addressed key issues on tooling, preventing broken code from being committed to the main repository.
  • Addressed long non-resolved performance issues.
  • Led research to refactor an important part of the application that was slow and malfunctioning.
  • Demonstrated the need for more testing and the lacking of a few team policies.
Project Tech stack:
Python
React
Vue.js
Node.js
Apollo GraphQL
Lambdas
Ionic
Terraform
Python
AWS Chalice
Terraform
Ionic
Vue.js
Typescript
Apollo GraphQL
React
Full-stack Software Engineer
Jan 2021 - Dec 202111 months
Project Overview

It is an outsourcing company that connects startups to Eastern European tech talent. Matheus worked for a single client, a huge US genetics laboratory, building a platform for thousands of its internal customers.

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Responsibilities:
  • Participated in the early stages of the new service writing different microservices;
  • Co-authored discussions about the architecture of the platform and the legacy system;
  • Led a few researches that helped to guide the course of the project, such as microservices communication and stream data service;
  • Worked on adding more features, refactoring existing code, and adding tests to a key microservice;
  • Led research and refactoring that improved the API response of this service by up to 30%.
Project Tech stack:
Python
Django
Django REST
React
Auth0
React
Django
Python
Django REST
Full-stack Software Engineer
Sep 2018 - Jan 20212 years 3 months
Project Overview

A cloud-native core platform for P&C insurers. This new platform was meant to substitute the legacy one that Matheus worked with before.

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Responsibilities:
  • Led discussions that ended up improving the performance and UX of a few pages;
  • Authored important features, such as a heavy feature that compares large objects and shows that comparison in an easy way to the user;
  • Debugged and resolved the application issues;
  • Increased the performance by 50% of one of the most important pages of a system that loaded hundreds of items.
Project Tech stack:
Python
Django
Django REST
Vue.js
Front-end Developer
Nov 2016 - Jan 20181 year 2 months
Project Overview

One of the leading organizers of study and adventure trips in German-speaking countries, with around 60,000 guests a year and a turnover of 100 million euros.

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Responsibilities:
  • Worked on a team that rewrote a new front-end user interface from scratch, integrating with a legacy back-end supported by the client;
  • Proposed components architecture that improved performance;
  • Authored one of the main modules of the platform: the checkout module;
  • Authored a microservice responsible for searching documents related to the trips.
Project Tech stack:
SASS
Angular
Node.js
MongoDB
Express.js
HTML
CSS
HTML
SASS
Angular
Express.js
MongoDB
Node.js

Education

2010
Computer Engineering
Bachelor's
2015
Opinion Mining; Data Extraction; Fuzzy Systems / Computer Science
Master's

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