Ismael Jiménez
Data Engineer
El Ejido, Andalusia, Spain
Summary
👤
Senior🎓
Top SchoolIsmael Jiménez is a Data Engineer with 10 years of experience blending IT management, data analytics and software development to drive digital transformation across SMEs. He has led IT projects end-to-end—from ERP implementations and infrastructure migrations to designing BI dashboards and automating business processes using .NET, Java, dbt and Snowflake. Comfortable reporting to executive leadership, he combines hands-on development (C#, Java, SQL) with analytics and ETL skills (PowerBI, Talend) to turn operational needs into measurable outcomes. His open-source work on performance tooling—enhancing google/benchmark with asymptotic complexity reporting and custom least-squares fitting—reflects a deeper focus on algorithmic performance and measurement. Based in El Ejido, Spain, he brings a pragmatic, operations-minded approach to modern data stacks and legacy system modernization.
10 years of coding experience
15 years of employment as a software developer
FP II, Técnico Superior en Desarrollo de Aplicaciones Multiplataforma, 8,62, FP II, Técnico Superior en Desarrollo de Aplicaciones Multiplataforma, 8,62 at I.E.S. AguadulceFP II, Técnico Superior en Administración de Sistemas Informáticos, 8,22, FP II, Técnico Superior en Administración de Sistemas Informáticos, 8,22 at I.E.S. Murgi
Github Skills (9)
algorithm10
data-structures10
algorithms10
benchmark10
benchmarking10
c-language10
performance-analysis10
cprogramming-language10
data-structure10
Programming languages (5)
Github contributions (5)
google/benchmark
May 2016 - Jun 2016
A microbenchmark support library
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:55 commits, 13 PRs, 26 comments in 1 month
Contributions summary:Ismael's contributions center around enhancing the `google/benchmark` repository, a microbenchmarking library. Their primary focus involves adding new functionalities, particularly a feature that allows for modifying the range multiplier in benchmarks, and implementing an interface for asymptotic complexity reporting. These changes demonstrate an understanding of performance analysis and benchmarking techniques. The user also refactored and adapted a minimal least squares library for calculating and reporting algorithmic complexity.
cppbenchmarkingbazelsupport-librarymicrobenchmark
ismaelJimenez/cpp-cost-model
May 2016 - Jun 2016
Contributions:41 commits, 2 PRs, 37 pushes in 27 days
cpp
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