ALEKSANDR SHULMAN

• Integating Twitter's petabyte-scale, low-latency ingestion pipeline into the Twitter metadata systems, for compliance and audit purposes
• Working on migration projects, transitioning high-scale, low-latency customer attribution pipelines from on-prem to GCP, using Scala, Dataflow, BigTable, and BigQuery
• Working with different teams across the organization to qualify their workloads and onboard them onto GCP
• Setting workstream OKRs and communicating with wider organization about status and impact
• Dedicated Scrum master for Twitter's Data Platform Onboarding team, running sprints and tracking productivity
• Providing 24x7 on-call coverage for several critical components of Twitter's revenue data platform
• Taught the Intro to Dataflow course for all new-hires at Twitter

• Designing and developing a metadata platform called Marquez in Java
• Working collaboratively to design the relational database data model
• Working with stakeholders (e.g Airflow team and Data Analytics team) to produce integration requirements
• Writing tests and production code in a dev-ops environment
• Wrote and maintained deployment scripts in Kubernetes

• Wrote and maintained test suites for Content Promotion
• Responsible for the correctness of 2 dozen ongoing A/B tests
• Wrote and maintained automated tests spanning 6 microservices
• Re-wrote existing test suite in Python using PyTest, increasing test coverage by 32%, reducing execution time by 45%, and multiplying the effectiveness of other test engineers
• Maintained a REST-based test proxy service used across the engineering organization
• DevOps development cycle with on-call rotation duties

• Main test engineer for HBase (Distributed Key-Value store) - Wrote test suites to address key enterprise use cases like rolling-upgrades and binary/api compatibility
• Responsible for HBase's compatibility as a component in Cloudera's Distribution of Hadoop (CDH)
• Lead the cloud testing and certification efforts of CDH atop AWS and Microsoft Azure
• Built test harnesses that were used engineering-wide to automate test scheduling and failure reporting

• Wrote tests and test plans for the API team
• Participated in end-to-end testing and rollout of several APIs, including the REST and Streaming APIs
• Worked closely with customers to help them support applications written on our APIs.
• Represented our team in company-wide software deployments

- Worked with 2 professors to prototype their paper on a role-based security for the national power grid

- Produced working prototype demonstrating how partial security can be implemented using a Java-based XACML implementation

- Defended research to fellow researchers and staff

- Assisted in the software validation lifecycle of a Prototype Windows Mobile Phone (Motorola Napoleon - not released).

- Tracked all open defects and produced reports for project managers

- Managed prototype distribution and collection for hundreds of phones from factory floor

- Ran user acceptance tests to collect feedback

- Validated software from recent acquisition to see if it met Federal standards such as the Federal Information Processing Standard (e.g. FIPS 140).

- Performed correctness and usability manual testing

- Diagrammed software architecture and presented it to leadership at Motorola's Global Software Group

- Presented various encryption protocol options to other engineers