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Start for FreeCarlos Jose Martinez Arenas
Senior Software Engineer Ii @Etsy
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WORK HISTORY
Senior Software Engineer Ii @Etsy
Working in a high impact initiative to improve the seller and buyer experiences.# Main responsibilities* Partnering with product manager and design teams to re-architect core seller tools.* Mentoring to other team members.* Solution design, implementation, and maintenance across the whole stack.* Building LLM and multi-agent solutions to analyze images, video, and text.* Using multi-modal models for video and photo analysis.# Relevant technical implications* Creating and maintaining data pipelines for analyzing multiple aspects of our products using Airflow, BigQuery, Spark, Kafka, and Dataflow.* Problem exploration by building LLM & multi-agent based prototypes and solutions with vertexai, langgraph, gemini, and others.
EDUCATION
Instituto Tecnologico de Ciudad Madero
Bachelor's degree, Computer Software Engineering
SKILLS
ABOUT CARLOS JOSE MARTINEZ ARENAS
Tech Lead | Solutions Architect | Engineering DirectorSenior Technical Leader with a hands-on approach for software engineering with over 12 years of experience - ranging from Technology Director, leading a 50+ engineer organization to Senior Software Engineer II at Etsy - I specialize on designing robust, highly available systems, and making pragmatic & strategic decisions that drive business outcomes.While I lead and design, I remain a hands-on coder at heart. I\'m always looking for opportunities on design, performance, code quality, integrating new tools to our dev platforms, and more - that contribute to having an stable solution that can be scaled for new features and also handling high traffic demands.I believe on safe work environments that foster trust among their individuals and can grow together as a team.Core Expertise:• Languages: Java, JavaScript• Frameworks: Spring Boot, Micronaut, Node.js, LitElement, React• Cloud: AWS, GCPProficient At:• Python, Kotlin, TypeScript, Golang#softwareengineer #java #javascript #golang #solutionarchitecture #techlead #springboot #micronaut #litelement #aws #scaling #cloudnative #techleadership
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