Software Engineer Francisco Ca
Resume:
Ryan Asuncion
****.********@*****.***
Sr. Software Engineer, Zillow Group
San Francisco CA, March 2020 - Present
● Designed the system architecture and implemented Matching Service data pipeline: consolidation of listings and public data channels. Receiving around 10M match requests per day, improving property match rate by 98% and reduced average response time by 50% using Java, Scala, Kafka, Flink, Spark and MongoDB.
● Trained and implemented LLM for matching. Improved consistency and increased accuracy by prediction of contextual similarity. Using Python, Sbert Sentence Transformers and MIlvus.
● Mentor engineers on the design and implementation of the above system.
● Designed and implemented ETL data pipelines for billions property information
● Developed and maintained microservices for address parsing, normalization and geocoding
● Key technologies used: Java, Scala, Python, Spark, Kafka, Flink, SentenceTransformers, AI/ML, Spring Boot, MySql, MongoDB, Lucene, AWS
Sr. Software Engineer, Syapse
San Francisco CA, July 2018 - Feb 2020
● Designed and developed Molecular Tumor Board: a system for oncologists to review treatments based on tumor biomarkers, and track patient performance using Python, Spark.
● Built scalable microservices using python, with high emphasis on authentication, authorization and information security.
● Key technologies used: Python, Spark, Docker, Kubernetes, Parquet Sr. Software Engineer, Capital One
San Francisco CA, June 2017 - June 2018
● Led the San Francisco engineering team, worked with Chicago and Virginia teams to deliver Customer Core - a consolidated system of records for accounts under the company umbrella.
● Designed and developed the data pipeline to match account information using deterministic and probabilistic matching using data models.
● Key technologies used: Java, Kafka, Spark, Druid and Cassandra, Parquet Sr. Software Engineer, WalmartLabs
Sunnyvale CA, January 2014 - March 2017
● Delivered online inventory information system. Designed and developed data pipelines to index and publish item information; Implemented microservices in java to extract item information details using Java, Elasticsearch and Cassandra.
Sr. Software Engineer, Adchemy
Foster City CA, 2009 - Dec 2013
● Search Engine Marketing - Intent based search engine ads management system. Distributed systems, web apps, profiling and optimization. Using Java, Spring, Hibernate and Elasticsearch.
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