Reiner Marquez
Self Employed
Lima, Lima, Peru
Summary
👤
Senior🎓
Top SchoolReiner Marquez is a contract full-stack software engineer based in Lima with 14+ years of experience building and modernizing web platforms, APIs and backend services. He blends backend API development and database optimization with frontend component work, having shipped production fixes and architectural improvements across startups and consulting engagements. Reiner has contributed to notable open-source projects like MindsDB—enhancing its Webz handler and query capabilities—and to Mozilla’s mozillians by improving group management and API endpoints. He’s delivered measurable impact such as cutting infrastructure costs by 30% for a Shopify app, raising test coverage above 90%, and establishing CI/CD and GitHub flow practices for teams. Comfortable leading small teams and mentoring hires, he pairs hands-on coding with pragmatic architectural decisions informed by formal training in software architecture and UML.
15 years of coding experience
19 years of employment as a software developer
Ingeniero Informatica, Ingeniero Informatica at Instituto Superior Politécnico José Antonio EchevarriaSoftware Architecture and Design Patterns with UML, Software Architecture and Design Patterns with UML at Milestone ConsultingBachelor's degree, Bachelor's degree at Instituto Preuniversitatio V.I. Lenin
Spanish, English
Stackoverflow
1reputation
0reached
0answers
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Github Skills (13)
pandas10
api10
pytest10
python10
apidoc10
django10
testing10
sql9
user-interface8
data-engineering8
ai7
database7
databases7
Programming languages (6)
Github contributions (5)
mindsdb/mindshub
Apr 2023 - Jul 2024
The unified workspace where open-source models get things done for you.
Role in this project:
Back-end Developer / API Developer
Back-end Developer / API DeveloperContributions:2 PRs, 3 comments, 2 issues in 1 year 3 months
Contributions summary:Reiner primarily focused on enhancing the functionality of the webz handler within the mindsdb repository. Their contributions included implementing new features for data retrieval, specifically supporting ORDER BY clauses for posts and reviews tables. They refactored the code to decouple the handler from table classes and included all columns for posts and reviews, and fixed bugs related to data selection. These changes improved data querying and integration with the Webz API.
localaimachine-learning-databasesolacesinglestoreexplainable-ml
mozilla/mozillians
Jun 2014 - Aug 2014
Mozilla community directory -- A centralized directory of all Mozilla contributors!
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits in 1 month
Contributions summary:Reiner primarily contributed to bug fixes and feature enhancements within the `mozillians` repository, which focuses on a community directory. Their work included improvements to group management functionality, specifically addressing issues related to membership filtering and confirmation flows. They also implemented changes to the API, adding a profile photo thumbnail to the /users endpoint, and updated the user interface for external account links. These modifications enhance the functionality and user experience within the directory.
centralizedmozilladirectorymozilliansdjango
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