Ilja Everilä
Senior Software Development Engineer at Amazon Web Services (AWS)
Oulu, Mainland Finland
Summary
👤
Senior🎓
Top SchoolIlja Everilä is a senior software development engineer in Oulu with 13 years of hands-on experience across front-end and back-end stacks, particularly Python, Java, JavaScript/HTML and PostgreSQL. Now at AWS, he brings a background building finance backends, web apps and real-time reporting systems, and has a longstanding interest in embedded systems that informs pragmatic, low-level problem solving. Ilja is an active open-source contributor to SQLAlchemy, having implemented and tested advanced SQL features like FILTER for aggregates and TABLESAMPLE support, showing deep knowledge of database semantics. He combines production-grade engineering at scale with a curious tinkerer’s mindset—equally comfortable refactoring core libraries, shipping services at AWS, or experimenting with embedded projects.
13 years of coding experience
10 years of employment as a software developer
Abitur Music, Abitur Music at Madetojan musiikkilukioUniversity of Oulu
Finnish, English, Swedish
Stackoverflow
51,810reputation
3.8mreached
892answers
2questions
mysql
top-5%
orm
top-1%
debugging
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sqlalchemy
top-1%
pandas
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tree
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Github Skills (41)
postgresql10
python10
testing10
databases10
flask-sqlalchemy10
orm10
sqlalchemy10
sql10
relational-databases10
sql-database10
flask10
database10
mysql9
javascript9
pandas9
Programming languages (4)
Github contributions (5)
zzzeek/sqlalchemy
Sep 2014 - May 2016
THIS IS NOT THE OFFICIAL REPO - PLEASE SUBMIT PRs ETC AT: http://github.com/sqlalchemy/sqlalchemy
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 2 PRs, 4 comments in 1 year 8 months
Contributions summary:Ilja contributed to the implementation of functionality related to filtering within SQL queries. Their work involved adding support for the `FILTER` clause in aggregate functions, allowing conditional application of aggregate functions. This included defining new SQL elements and integrating them within the SQLAlchemy compilation process. They also implemented testing to ensure correctness of the feature.
pythonsqlalchemyalembicsubmitpython3
sqlalchemy/sqlalchemy
Feb 2020 - Feb 2020
The Database Toolkit for Python
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 comments, 1 issue in 1 day
Contributions summary:Ilja implemented and tested features related to aggregate functions and the "FILTER" clause within the SQLAlchemy library. This involved defining new classes and methods to support the functionality, modifying existing code to integrate the new features, and writing tests to ensure correct behavior. The user also refactored and renamed components for better clarity and added support for the TABLESAMPLE clause.
sqlpythondatabasesqlalchemy
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