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Antonio – Django, Python, PostgreSQL, experts in Lemon.io

Antonio

From Spain (GMT+1)

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Back-end Web DeveloperSenior
Hire developer
11 years of commercial experience
Agritech
Banking
Fintech
Food production
Hospitality
Information services
Marketing
Real estate
Renewable energy
Social media
Transportation
Embedded software
Geospatial software
Platforms
Lemon.io stats
1
projects done
327
hours worked
Open
to new offers

Antonio – Django, Python, PostgreSQL

Antonio is a skillful Back-end Developer with profound expertise in the tech industry. He has been using Python and Django as the core stack for 6 years, and he always strives to write clear and readable code. Since starting his career as a Consultant in 2016, Antonio has had a chance to take on such roles as Machine Learning Engineer, Data Architect, and Data Scientist. Besides this, he contributed to two scientific papers in the field of Web Scraping and Data Visualization. Antonio has good interpersonal skills and craves new knowledge and best practices in the field.

Main technologies
Django
6 years
Python
6 years
Additional skills
PostgreSQL
Docker
AWS
Pandas
JavaScript
Selenium
GCP
REST API
Selenium WebDriver
PostgreSQL
NumPy
ElasticSearch
Java
Data Science
NLP
Machine learning
React
Deep Learning
Testimonials
#17874740017Back-end Enginer/AI engineer (Python, Deep Learning, Google API)
"Antonio has been amazing and we are very happy to have him on our team. "
Liza KorolchukLemon.io Customer Success Team
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Solo Founder
May 2023 - Feb 20249 months
Project Overview

Antonio's entrepreneurial journey has been marked by innovation and persistence. This is one of his most validated endeavors, a startup dedicated to the strategic selection of lands for solar energy projects, utilizing state-of-the-art algorithms and data-driven insights.

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Responsibilities:
  • Conducted product validation;
  • Conducted customer interviews to gather insights and feedback for product improvement;
  • Developed product roadmaps to align with business goals and customer needs;
  • Took ownership of the product lifecycle;
  • Was responsible for software development.
Project Tech stack:
React
Webpack
Django
Django REST
Docker
Docker Compose
GCP
Redis
Hubspot
Google Maps API
Bootstrap
Apache Airflow
Celery
Python
PostGIS
PostgreSQL
Software Engineer
Dec 2022 - May 20234 months
Project Overview

This is a technology startup focused on optimising food production, where Antonio played a key role in enhancing a complex, real-time, and parallel software system operating on Windows. This software was initially developed by another team, requiring deep troubleshooting and problem-solving skills to understand and improve it.

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Responsibilities:
  • Functionally analyzed existing features;
  • Replaced them with simpler and more efficient versions. These strategic improvements increased the system's overall Prophet efficiency and usability while also directly contributing to the company's mission of reducing food production costs.
Project Tech stack:
Python
Docker
Docker Compose
Qt
GCP
GCP Compute Engine
Pandas
C++
Visual Studio Code
Windows
Back-End Developer
Dec 2021 - May 20225 months
Project Overview

It's a digital platform providing residential mortgages to UK customers.

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Responsibilities:
  • Implemented backwards-compatible changes to RESTful API endpoints;
  • Fixed bugs and provided regression tests.
Project Tech stack:
Django
Docker
Python
REST API
TDD
Integration testing
API testing
Regression testing
Back-End Developer
Feb 2021 - Sep 20217 months
Project Overview

It's a platform for UN employees to book accommodations, cars and drivers, flights, and medical assistance at UN-owned facilities and fleets worldwide.

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Responsibilities:
  • Evaluated and reported technical debt that occurred from past designs.
  • Re-engineered the front-end and back-end map interface, improving response time and load.
  • Led a team of QA Engineers and laid the foundations for end-to-end automated testing;
  • Guided junior developers in adopting homogenous testing practices;
  • Advised a team of 10+ engineers to adopt Scrum.
Project Tech stack:
Django
Docker
Python
REST API
API testing
Integration testing
e2e testing
Manual Testing
Regression testing
Unit testing
JavaScript
Back-End Developer
Oct 2017 - Sep 201811 months
Project Overview

It's a social network automation company that helps Instagram users to grow their audiences by performing automated activities like comments, likes, follows, and unfollows.

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Responsibilities:
  • Created back-end architecture and RESTful API with Django;
  • Integrated with a service provider;
  • Implemented browser automation using Selenium;
  • Wrote integration tests achieving 83% coverage using Test Driven Development.
Project Tech stack:
Django
Python
Docker
GCP Compute Engine
PostgreSQL
Selenium
Selenium WebDriver
API
Pandas
NumPy
API testing
TDD
DigitalOcean
Machine learning
GCP
Back-End Developer
Dec 2015 - Mar 20171 year 2 months
Project Overview

It's a search engine for Swiss Laws that aims to perform more specific searches and allows to share of internal legal firms' knowledge through text annotations.

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Responsibilities:
  • Designed several RESTful endpoints;
  • Improved 10x REST API response time by translating Django ORM queries into raw SQL queries;
  • Solved data inconsistency bugs by refactoring a relational database schema and making Elasticsearch a read-replica;
  • Scaled 100x a data scraping module by porting it to Scrapy and Scrapinghub.
Project Tech stack:
Django
AWS
Python
BeautifulSoup
ElasticSearch
REST API
API testing
Integration testing
PostgreSQL

Education

2010
Computer Science
Bachelor's Degree
2013
Business Intelligence
Master’s Degree
2020
Statistics & Data Science
Bachelor's Degree

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