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Luiz – Python, Django, Flask, experts in Lemon.io

Luiz

From Brazil (GMT-3)

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Back-end Web DeveloperMiddle
Hire developer
6 years of commercial experience
AI
Banking
Edtech
Fintech
Photography
Sports
Marketplace
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Luiz – Python, Django, Flask

Luis is a dedicated Middle Back-End Developer with over 6 years of comprehensive experience and a degree in Software Engineering. He consistently works hard to enhance his skills and knowledge. Known for his exceptional analytical and critical thinking abilities, Luis takes a proactive approach and demonstrates a strong work ethic. He excels in fast-paced, deadline-driven team environments.

Main technologies
Python
5 years
Django
5 years
Additional skills
Flask
NoSQL
API
Bootstrap
Pandas
FastAPI
Microsoft SQL Server
PHP
Docker
Celery
Redis
RabbitMQ
Google API and Services
PostgreSQL
GCP
JavaScript
SQL
Linux
MariaDB
Swagger
Lambda
AWS
Bootstrap
MongoDB
REST API
GitLab CI/CD
Microservices
MySQL
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Senior Back-end Engineer
Jun 2022 - Ongoing1 year 11 months
Project Overview

A Brazilian financial institution that specializes in providing banking and financial services primarily to small and medium-sized businesses (SMEs) and entrepreneurs. The bank focuses on offering payment solutions, business digital accounts, and other financial services to help businesses efficiently manage their finances.

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Responsibilities:
  • Designed and implemented back-end architecture;
  • Maintained and optimized microservices for banking system management;
  • Developed financial management features/cores, ledger/statement, cash flow, loans.
Project Tech stack:
Python
gRPC
FastAPI
ORM
PostgreSQL
Amazon RDS
AWS Lambda
AWS
Docker
Docker Compose
Microservices
Back-End Developer
Jul 2021 - Aug 20221 year 1 month
Project Overview

A large fintech in Brazil that deals with debt recovery using registry offices. Any customer with credits and billing documents can hire the recovery platform to automate the asset collection and recovery process.

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Responsibilities:
  • Developed microservices with Python and AWS;
  • Created back-end architecture;
  • Debugged and resolved the application issues;
  • ACID Database modeling;
  • Web Pentest in the core application;
  • Integration with legacy software/Robotic process automation;
  • Implemented security measures and OWASP.
Project Tech stack:
Python
Flask
AWS
MariaDB
Lambda
PostgreSQL
Swagger
Docker
Tech Lead & Senior Back-End Developer
Apr 2022 - Jun 20222 months
Project Overview

A company that works with corporate travel scheduling and expense management. It needed to integrate Banking as a Service. The previous product version was very rudimentary, the traveling employee needed to take a photo to document and prove the expenses. Luiz implemented the banking system for managing multi-tenancy accounts with a specific permission system required by the client so the client could make corporate debit cards available to employees with amounts and limits based on permission/cost center.

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Responsibilities:
  • Modeled the multi-tenancy API;
  • Created back-end architecture;
  • Developed API REST with Django-Ninja, and Pydantic schemas with swagger integration to generate docs;
  • Managed the integration with BaaS(Swap Financial);
  • Led the back-end team on this project and organized meetings with the client for feedback.
Project Tech stack:
Python
FastAPI
Docker
RabbitMQ
PostgreSQL
Google API and Services
GCP
Back-End Developer
Feb 2022 - Mar 20221 month
Project Overview

A marketplace for athletes and sports photographers. Photographers upload images from a specific event, and the AI identifies the number of athletes so they can search and filter specific photos by athlete ID.

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Responsibilities:
  • Created back-end architecture;
  • Back-end Development using Django Framework;
  • Integrated Google Vision API for image analysis.
Project Tech stack:
Python
Google API and Services
GCP
Django
Bootstrap
JavaScript
Linux
PostgreSQL
RabbitMQ
SQL
Back-End Developer
May 2019 - May 20212 years
Project Overview

One of the biggest universities in Brazil. The projects Luiz worked on were some web applications to assist in the internal management of the company and deal with internal audit issues, revenue, billing, and management of departments.

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Responsibilities:
  • Created back-end architecture;
  • Modeled SQL Server DB with ACID principles;
  • Created triggers and routines to generate a history of database transactions;
  • Managed and configurated the RedHat server for the deployment of the stage/production environment;
  • Implemented CI/CD with Gitlab;
  • Implemented docker/swarm to work with Brokers and Workers for messaging and queue system using RabbitMQ and Celery;
  • Developed all the back-end with Django Rest Framework and used swagger to create interactive docs so the front could use in the development;
  • Managed some tasks as a DevOps;
  • Configured Nginx, load balancer, and domains for the intranet application.
Project Tech stack:
Python
Django
PHP
Flask
FastAPI
Pandas
Docker
Redis
Microsoft SQL Server
Celery
RabbitMQ
Bootstrap

Education

2022
Software Engineering
Bachelor's Degree

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