# Andrew Selden > Deployed Engineer Location: Mountain View, California, United States Profile: https://flows.cv/andrewselden Experienced Solutions Architect with a demonstrated history of working in the computer software industry. Strong background in building massively scalable data pipelines and search engines. Strong engineering professional with a Masters focused in Computer Science from University of Pennsylvania. ## Work Experience ### Deployed Engineer @ LangChain Jan 2026 – Present | San Francisco, CA ### Principal Solution Architect @ Observe, Inc. Jan 2023 – Jan 2025 ### Principal Sales Engineer @ Observe, Inc. Jan 2022 – Jan 2023 ### Principal Solutions Architect @ Elastic Jan 2018 – Jan 2022 | Mountain View, CA ### Senior Solution Architect @ Elastic Jan 2016 – Jan 2022 | Mountain View, CA Worked with some of the largest technology and media companies in the world to design and build terabyte-scale Elasticsearch deployments. ### Principal Software Engineer @ Dremio Jan 2015 – Jan 2016 | Palo Alto Designed and built Dremio's SQL-on-Elasticsearch product, bringing a fully relational model to the Elasticsearch search engine. Additional work involved improving integration testing of Apache Drill. ### Software Engineer @ Elastic Jan 2013 – Jan 2015 | Los Altos As a software engineer on the Elasticsearch product I did research and development, primarily in the areas of benchmarking and building an SQL engine. Additionally worked on some aspects of data replication within the core engine. Additional responsibilities included teaching public and private trainings on the Elastic stack. ### Senior Data Engineer @ BlueKai Jan 2012 – Jan 2014 | Cupertino Led the architecture and implementation of BlueKai's global cloud-native log processing pipeline. Hosted on Amazon AWS, this pipeline was critical to the company's success as a real-time ad bidding platform. Built using a mix of S3, SNS, SQS, and CloudFormation in conjunction with Java and C++ components, the pipeline utilized an efficient, in-memory streaming design capable of handling over 50 TB per day. The ability to scale up and down automatically to meet seasonal demand fluctuations was a core feature of the pipeline, as was resiliency across multiple points of failure. ### Senior Software Architect @ Meltwater News Jan 2008 – Jan 2012 | San Francisco Bay Area Managed an international team of 10 engineers in the U.S. and Europe. Had overall responsibility for three teams: Web Crawler and Data Pipeline Team, Search Engine Team, and Natural Language Processing Team. Built and maintained a multi-terabyte Elasticsearch cluster supporting over 10,000 customers. Our search backend supported complex boolean and phrase queries in approximately 30 different languages including Russian, Arabic, Hindi, Norwegian, Japanese, English, French, and Thai. Managed, designed, and implemented data pipeline capable of ingesting world-wide news content from a geographically dispersed network of crawlers, as well as Twitter and social networking data feeds. ### Senior Software Engineer @ NearbyNow Jan 2007 – Jan 2008 Location-based mobile API development for personalized, in-store shopping ### Senior Programmer Analyst @ Penn Center for Bioinformatics Jan 2002 – Jan 2006 Big Data before it was called "Big Data" ## Education ### Masters in Computer Science University of Pennsylvania ### Technical Aspects of Artificial Intelligence in Artificial Intelligence UC San Diego Extended Studies ### B.A. in Russian Language and Literature University of Virginia ### Русский язык и литература Казанский Государственный Университет ## Contact & Social - LinkedIn: https://linkedin.com/in/andrew-selden-3261983 --- Source: https://flows.cv/andrewselden JSON Resume: https://flows.cv/andrewselden/resume.json Last updated: 2026-04-11