Elias Dorneles
Senior Backend Engineer at Back Market
Paris, Ile-de-France
Summary
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Elias Dorneles is a Senior Backend Engineer based in Paris with 15 years of experience building reliable, maintainable server-side systems and optimizing delivery workflows. He has led migrations from legacy Java backends to Python/FastAPI architectures, improved deployment parity and CI/CD, and driven measurable team productivity gains at companies like Back Market, Legalstart and CTMA. A pragmatic mentor and systems thinker, he blends deep Python expertise with backend tooling, testing and QA—evidenced by contributions to prominent open-source projects such as Scrapy, Parsel, dateparser and Cookiecutter. Beyond code, Elias invests in documentation and developer experience, improving onboarding and project docs to lower friction for users and collaborators. He codes in Neovim, is a Recurse Center alum and brings an uncommon mix of OSS stewardship, production engineering and even psychotherapy training that informs his collaborative leadership.
15 years of coding experience
13 years of employment as a software developer
Formation de praticien en psychothérapie, Formation de praticien en psychothérapie at Ecole d'Analyse Transactionnelle ParisBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Universidade Federal de Santa Maria
English, French, Portuguese, Spanish
Stackoverflow
23,256reputation
2.7mreached
382answers
40questions
grails
top-1%
caching
top-5%
spring
top-5%
java
top-5%
scrapy
top-1%
orm
top-5%
Github Skills (55)
language-detection10
transcode10
restructuredtext10
pytest10
grails10
python10
testing10
css10
date-parsing10
cookiecutter10
travis-ci10
cicd10
java10
javas10
scrapy10
Programming languages (21)
Github contributions (5)
scrapy/parsel
Jul 2014 - Oct 2019
Parsel lets you extract data from XML/HTML documents using XPath or CSS selectors
Role in this project:
Technical Writer
Technical WriterContributions:9 releases, 106 commits, 38 PRs in 5 years 4 months
Contributions summary:Elias's contributions primarily focused on improving the documentation for the Parsel library. They added usage examples, corrected grammatical errors, and clarified explanations within the documentation files. Furthermore, the user updated the documentation structure and added a release checklist, showcasing their commitment to improving the project's usability and maintainability.
html-documentspythonselectorsparselcss
scrapy/scrapy
Jul 2014 - Jan 2017
Scrapy, a fast high-level web crawling & scraping framework for Python.
Role in this project:Technical Writer
Technical WriterContributions:194 commits, 103 PRs, 112 pushes in 2 years 5 months
Contributions summary:Elias's contributions primarily focus on improving the documentation of the Scrapy framework. This includes adding examples, clarifying explanations, correcting indentation issues, adding links, and updating the documentation for recent changes like new settings and the migration to Parsel. The changes focused on the documentation around selectors, item exporters, and installation instructions.
pythonscrapyscraping-frameworkhigh-levelweb-crawling
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