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Stéphane Campinas

PROFILE

Stéphane Campinas

Over a two-month period, contributed to the dnhatn/elasticsearch and elastic/elasticsearch repositories by enhancing search capabilities and improving backend reliability. Developed support for nested fields in the Elasticsearch Term Vectors API using Java and YAML, enabling more accurate vectorization and search relevance for complex document structures. Focused on robust API development and unit testing to ensure maintainability. Additionally, addressed a bug in the caching layer by correcting cache key string representation, reducing the risk of stale data and improving query consistency. Demonstrated backend development expertise, attention to detail, and collaborative open-source practices through code review and co-authored contributions.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
105
Activity Months2

Work History

January 2026

1 Commits

Jan 1, 2026

January 2026 monthly summary for the elastic/elasticsearch repository focused on reliability and correctness in the caching layer. Delivered a targeted bug fix to ensure proper cache key representation, reducing risk of cache mis-keying and stale data in common query paths. Demonstrated collaboration, code quality improvements, and precise debugging under open-source contribution norms.

August 2025

1 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary for a developer's work focusing on key accomplishments, business value, and technical achievements. Highlighted feature delivery and impact for the Elasticsearch module in the dnhatn/elasticsearch repository.

Activity

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Quality Metrics

Correctness100.0%
Maintainability90.0%
Architecture100.0%
Performance90.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaYAML

Technical Skills

API developmentElasticsearchJavabackend developmentunit testing

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

dnhatn/elasticsearch

Aug 2025 Aug 2025
1 Month active

Languages Used

JavaYAML

Technical Skills

API developmentElasticsearchJavabackend developmentunit testing

elastic/elasticsearch

Jan 2026 Jan 2026
1 Month active

Languages Used

Java

Technical Skills

Javabackend development