# Julian Jaffe

> Staff Software Engineer at Netflix

Location: San Francisco, California, United States
Profile: https://flows.cv/julianjaffe

Experienced Tech Lead with a proven track record of designing, implementing, and scaling distributed systems to drive cross-functional successes and deliver business-critical products. Force multiplier for my teammates and cross-functional partners.

## Work Experience
### Staff Software Engineer @ Netflix
Jan 2021 – Present | San Francisco Bay Area

### Tech Lead @ Activision Blizzard Media
Jan 2020 – Jan 2021 | San Francisco Bay Area
• Tech Lead for a team of four. We own the data store & service that provides real-time user attribute and audience data for over a billion users (350M+ MAU), pipelines that generate the targeting segments used to direct $100M’s of spend, and Flink applications that process >10 billion events per day
• Work directly with key stakeholders to plan, scope, and design systems critical to ABM’s scaling and continued growth
• Mentor and direct the work of the engineers on my team, helping them scope and design their projects, work through issues, and provide reviews and feedback on the results
• Identify gaps in our tooling, systems, and processes and design and implement solutions

### Software Engineer @ Pinterest
Jan 2017 – Jan 2020 | San Francisco Bay Area
• Build near-real time and daily pipelines ingesting billions of events per day for internal & external partners, training algorithms, finance teams, and analysts
• Led process to integrate Apache Druid into the Pinterest ecosystem from selection process through on-site customizations, integrations with our existing systems, performance prove-out, tuning, and scaling
• Design, build, and maintain low-latency online and high-throughput async systems to serve metrics and analytics to Sales, advertisers, and agencies via Pinterest UIs and APIs at scale
• Lead planning, execution, and review for team sprints
• Helped scale Pinterest to a public company with 1B+ in revenue

### Software Engineer @ Marin Software
Jan 2015 – Jan 2017 | San Francisco
• Oversaw the access layer for Marin's transactional data store used by all internal teams and the customer-facing UI
• Led the design and implementation of Marin's fact pipeline which processed all users' cost and revenue data
• Reviewed the design, architecture, and schemata of services and applications to spread best practices and aid efficiency
• Designed and implemented Spark Streaming pipelines to process near-real time dimensional changes
• Built and maintained Marin's builds of Phoenix and Spark and contributed fixes to Apache Phoenix
• Provided operational expertise and support for all of our databases and Hadoop infrastructure
• Directed junior engineers and contractors

### Web Engineer @ Phoebe A. Hearst Museum of Anthropology (PAHMA)
Jan 2013 – Jan 2015 | Berkeley, CA
I designed, built, and maintained webapps written in Python with a PostGreSQL database (~12M records) for PAHMA, a world-class anthropology & archaeology museum at UC Berkeley, in order to facilitate searching, systematic inventorying, and other essential collections functions. I also designed webpages and online application forms with HTML/CSS/JS and occasional Google Charts and designed and implemented Python and bash monitoring scripts.

### Web Engineer Intern @ Phoebe A. Hearst Museum of Anthropology (PAHMA)
Jan 2013 – Jan 2013 | Berkeley, CA

### Software Engineering Intern @ Marin Software
Jan 2014 – Jan 2014
Worked to instrument and display real-time metrics from a variety of sources (including Hadoop, Pig, and Spark) using Flume, Kafka, Logstash, ElasticSearch, and Kibana. Used Apache Spark and SparkSQL to parse and perform interactive queries on large (100's GB - 1 TB) data sets and wrote custom utilities. Also attended Spark Summit 2014.


## Education
### Bachelor’s Degree in Computer Science & History
University of California, Berkeley


## Contact & Social
- LinkedIn: https://linkedin.com/in/julianjaffe

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Source: https://flows.cv/julianjaffe
JSON Resume: https://flows.cv/julianjaffe/resume.json
Last updated: 2026-04-12