Eric Leleu
Staff Software Engineer at Gravitee
Lille, Hauts-de-France
Summary
🤩
Rockstar🎓
Top SchoolEric Leleu is a Staff Software Engineer based in Lille with 17+ years of experience designing and operating Java-based distributed systems, currently focused on API gateway and Access Management at Gravitee. He combines deep backend and DevOps expertise—demonstrated by significant contributions to the Elassandra project (Elasticsearch + Cassandra) and building its Kubernetes operator—with a pragmatic emphasis on evolvable architectures, automated tests, and clear documentation. Eric frequently tackles tricky bugs in clustered environments and has implemented advanced authentication protocols (FAPI, CIBA) for production security. His background spans high-throughput contact center and storage services, performance tuning, and mentoring teams as a technical lead, reflecting both hands-on coding and architectural guidance. An observant technologist, he pairs curiosity about emerging distributed-data patterns with a steady focus on maintainability and customer support.
11 years of coding experience
16 years of employment as a software developer
Degree in Computer Engineering, Computer Science, Degree in Computer Engineering, Computer Science at Université de Technologie de Compiègne
French, English
Stackoverflow
31reputation
2kreached
5answers
0questions
Github Skills (23)
cassandra10
amazon-elasticsearch10
java10
javas10
elasticsearchquery10
aws-elasticsearch10
elasticsearch10
optimization10
elasticsearch-api10
devops9
documentation8
rest-api6
mongodb6
janusgraph6
api-gateway6
Programming languages (12)
Github contributions (5)
strapdata/elassandra
Sep 2019 - Feb 2020
Elassandra = Elasticsearch + Apache Cassandra
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:39 commits, 4 pushes, 4 tags in 4 months
Contributions summary:Eric made several significant contributions to the Elassandra project, primarily focusing on improving the system's core functionalities and performance. These contributions include optimizing the codebase for improved efficiency, specifically within the `ClusterService` and gossip application state management. They also implemented features like TimeUUID and Base64 processors in the ingest plugin, enhancing data processing capabilities. Furthermore, the user updated documentation and configuration settings to reflect the latest changes and features, ensuring the project is well-documented and accessible.
mission-criticalkibanalogstashelasticsearch-clientelasticsearch
leleueri/argos
Jan 2016 - Apr 2018
Contributions:2 PRs, 90 pushes, 5 branches in 2 years 3 months
administrationcassandra
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