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Javier Alvarez Obeso
Looking for a jobSoftware Engineer III / Technical Lead
Software Engineer III / Technical Lead at Mapbox; improved short-kana search NDCG by 46%.
JapanSoftware Engineer III / Technical Lead at Mapbox
Experience
Software Engineer III / Technical Lead
Technical Lead for the Search Box product, managing a multi-language platform (Rust, JavaScript, Python) powering search APIs. Leveraged LLMs to fill 49% of missing POI popularity data, driving a 46% NDCG increase and securing $200K+/year in commercial deals.
RustJavaScriptPythonLLMLuceneWFSTSREAlertingVulnerability Management
Staff Software Engineer
Technical Lead for Global Restaurant Search, powering 1M+ daily orders and ~$1B GMV per quarter across 31+ Kubernetes clusters. Led latency and cost optimization, delivering a 30% reduction in endpoint latency.
KubernetesGCPbackend architectureTechnical LeadershipInterviewingPerformance Calibration
Senior Software Engineer
Built an Elasticsearch & Java 9 Spring Webflux search service handling peak traffic of 15.84K RPM and 11.29M+ daily search sessions. Regionalized infrastructure deployments and developed a Near Real-Time stream processing pipeline.
ElasticsearchJavaSpring WebFlux (Reactive)GCPStream ProcessingInfrastructure
Senior Software Engineer
Developed customer-facing Java 8 / Spring Boot microservices handling pricing and promotions for ride-hailing flows, processing 10.36M+ daily requests.
JavaSpring BootMicroservicesPricingPromotion
Senior Software Engineer
Developed modern C++11/14 codebases for major automotive IVI systems supporting NDS standard and proprietary database formats. Practiced TDD, CI/CD, and gRPC/Protobuf architecture transitions across embedded Linux and QNX platforms.
C++C++11C++ 14Test Driven DevelopmentCI CDgRPCProtobufEmbedded LinuxQNX
Digital TV & Embedded C++ Application Developer
Built C++/Qt/QML set-top box middleware for live TV, PVR, and VOD streaming (RTSP/HLS) on embedded Linux systems.
C++Qt FrameworkQMLRTSPHLSEmbedded Linux
Android Developer / Researcher
Collaborated with accessibility researchers to build Android gaming applications for visually impaired users using Java and Android SDK.
AndroidJavaAndroid SDKAccessibility
Education
Complutense University of Madrid
Master of Engineering in Computer Science from Complutense University of Madrid, completed in 2012.
Master of Engineering in Computer Science from Complutense University of Madrid, completed in 2012.