Calm's first data engineer on the team and managed prioritization of data engineering tasks across UA, Lifecycle, Finance, Product, Analytics, and Data Science.Designed and implemented a state of the art status polling system against Apple to get real-time data about renewals and free trial conversions - NodeJS, AWS SQS, PostgreSQLArchitected and implemented real-time attribution system for UA across multiple subscription platformsCreated home-grown ETL solution before we could set up Airflow and implemented ETLs for Apple, Google, and AppsFlyer into our Data Warehouse - Redshift, Python, PandasExtracted device metadata from our event stream and put into a queryable format for our analysts - Spark, AWS S3, RedshiftAssisted with creation of a DEV environment for Airflow DAGs - Airflow, Kubernetes, TerraformIterated through multiple processes to ensure that data engineering was prioritizing correctly for the business and our stakeholders - GitHub, ZenHub, Excel, JIRA

Calm's first backend engineer and third full-time engineer on the team.Migrated Calm from Heroku to AWS with CI/CD pipeline, zero-downtime deploys, major security improvements - AWS VPC, Jenkins, New Relic, HAProxy, Ansible, PythonOn-call 24/7 for infrastructure and application issues, keeping server uptime over 99%Mitigated multiple DDoS attempts manually and developed automated solution with our load balancer - AWS VPC, HAProxyArchitected major optimizations to our users stats and subscriptions systems - NodeJS, Redis, PostgreSQLPoint person for any database outages or performance issues - PostgreSQLSpun up data warehouse and architected ETL solution to move our application database into our warehouse daily - AWS Redshift, Python, AWS RDS, JenkinsCreated fast and robust solutions to free trial analytics issues when we rolled out free trial - NodeJS, PythonHired a DevOps engineer and managed him through our migration to Kubernetes - Kubernetes, Docker

Responsibilities: Maintain all platform services to provide a reliable experience for mobile and web applications - Python/Flask/MySQL Plan and conduct cross functional software releases - Google Doc/Jenkins/Ansible Maintain AWS infrastructure supporting platform microservices and web services to ensure necessary availability while minimizing cost - AWS EC2/ELB/RDS/Route53/Cloudwatch/ Splunk/Jenkins/Ansible Maintain data pipeline for metrics recorded from gear and ensure end-to-end throughput is enough to support user base - Python/RabbitMQ/Redis/S3/MySQL Coordinate with Athos’ recruiters, phone screen candidates, schedule and conduct onsite interviews Accomplishments: Developed APIs and infrastructure for a strength and conditioning programming tool - Flask/MySQL Led initiative to implement specification driven development with the Open API standard - Business Process Analysis/Swagger/NodeJS/Backbone/AnsibleLaid groundwork for a more scalable platform which allows for all consumers of platform to iterate much quicker - Flask/Swagger/DynamoDB/Pandas DataFrames/EC2/EBS

Accomplishments:Developed and released to production a scalable Commodity API for modifying commodities available to in-house Commodity Recommendation Engine with an automated item ingest process- Java/Jetty/MySQL/AWS SQSImproved in-house ETL framework and developed ETL stack for fan featurematrices and fan clusters - Java/Jetty/MySQL/Redshift/Apache Spark/ElasticsearchDeveloped a tool for judging artist merchandise, offers, and experiences to beutilized by in-house decision framework to produce decisions about offer quality- Crowdflower/AWS SQS/NodeJS/MySQLResponsibilities:Maintain Data jobs/services to ensure health of jobs/services as well asconsistency of data - Nagios/GangliaMaintain production fan feature matrix and fan cluster for CommodityRecommendation Engine - Spark/ElasticsearchCraft and execute queries for ad hoc data requests from internal teams andexternal partners - MySQL/Redshift

Responsibilities:Maintain and improve QA test automation framework - Robot/SeleniumDeploy front end and back end products to staging environment to test bug fixes - JenkinsAccomplishments:Created a CLI tool for doing ad hoc ETL for data structures specific to BandPage - NodeJS