Principal backend engineer

Rebuilt prod infrastructure after company shrank from 36 -> 7 engineers moving from Hashicorp's Nomad, Vault, and Packer to EKS

Migrated from legacy AWS account to new AWS account with minimal downtimes (only for prod database migration)

Hired as Senior Engineer, promoted to Tech Lead after 6 months to found a team staffed with new hires, and promoted to Staff Engineer after 1 year

Team eventually grew into 2 teams within 3 months without a direct manager for 5 months more after

Built patient visit tracking and scheduling feature for medical study follow up visits with recommended scheduling intervals based on study's protocol

Teams built new React/Cube.js analytics dashboard, pre-aggregated data mart pipelines using dbt and Redshift from event stream, self-service backend support using event streams, and self-service frontend support leveraging GraphQL for service decoupling

Worked closely with Product, Design, and Customer Success teams to design, refine, and plan the implementations and roadmaps for all projects

Mentored Junior developers and developers new to Clojure

Worked on Operations Reviews using DataDog and RUM to trace potential issues proactively prior to production outages or failures

Learned Clojure development for backend services and React for front-end development

Designed and rebuilt billing system and worked with Product and Finance to implement new billing types (Enterprise and new Self-Service tiers and optional features)

Built system for Enterprise clients to use an interactive Python editor to interact with their data live or when triggered by a system event

Migrated internal services from Vagrant to Docker

Launched a new datacenter in EU to support Enterprise and Self-Serve customers' GDPR requirements

Migrated major portions of the front-end from Angular 1 to React

Designed and built service to load arbitrary data into BigQuery

Rebuilt service that loads arbitrary data into Snowflake to reduce the number of credits used during loads

Designed and built API service endpoints for Enterprise clients

Provided external support for customers experiencing issued