Andrew Tanner

Engineering Manager, Platform Infrastructure at Instacart(We're Hiring!)

Andrew Tanner is an Engineering Manager in Platform Infrastructure at Instacart. Here are some key details about his background and role:

Professional Experience

Andrew currently works at Instacart as an Engineering Manager focused on Platform Infrastructure. In this role, he has been involved in significant technical projects, including:

Leading Instacart's transition from PostgreSQL to Amazon DynamoDB for storing push notifications state. Andrew wrote a detailed blog post explaining the rationale and process behind this migration, which helped Instacart scale its notification system to handle 8x more daily notifications.1 2
Contributing to Instacart's adoption of DynamoDB beyond just notifications. Under Andrew's leadership, DynamoDB usage at Instacart expanded from 1 to over 20 tables in 6 months, supporting 5-10 different features across multiple teams.2

Technical Expertise

Andrew demonstrates strong technical knowledge in areas like:

Database technologies (PostgreSQL, Amazon DynamoDB)
Distributed systems
Cloud infrastructure (particularly AWS services)
Scaling high-volume data systems

Communication Skills

Andrew has shown an ability to effectively communicate complex technical concepts:

He authored a detailed technical blog post on Instacart's engineering blog explaining the PostgreSQL to DynamoDB migration.2
His work has been featured in external tech publications, indicating his ability to share Instacart's technical innovations with the broader tech community.1

Leadership

As an Engineering Manager, Andrew likely plays a key role in:

Technical decision-making for platform infrastructure
Mentoring and leading engineering teams
Collaborating with other departments to align infrastructure capabilities with business needs

While I don't have specific details about his educational background or career history prior to Instacart, Andrew's current role and contributions suggest he is an experienced engineering leader with a strong background in scalable infrastructure and database technologies.