Sergey Grankin Email and Phone Number

Founding member of the engineering team - Created the backend and infrastructure architecture, with a focus on empowering individual engineers and ease of scaling for both the product and the engineering team. - Designed and multi a collection of micro-services based on Twitter's open source Finagle stack (Scala), with Kafka-based streaming components. - Engineered our cloud platform based on multiple Terraform-driven Kubernetes deployments in AWS, with a focus on repeatability and self-recovery, and ease of change. - Helped ship multiple products, including the core Dresr app, the Fitz ecommerce site and employee management platform, and internal mechanical-turk-like platform.Company acquired by Google in April 2018.

Engineer on, and later manager of, the Vine backend team- Shipped many features, including the backend for Vine Messages and a new Elasticsearch-based search backend, continuously making improvements to help the distributed Python backend scale with increasing data size and request rates - Managed backend team for ~6 months

Developed VideoPro Camera for iOS, a video recording application with features targeted for professional video journalism and videography.

Developer on Visual Studio IntelliTrace team, helping build a .NET process execution tracer & time-travel debugging experience: - Designed and implemented components for collection & managed storage of data streams from the traced process, and for integration with the Visual Studio debugger - Drove performance improvements across all IntelliTrace components, significantly improving latency and ability to cope with large amounts of data- Shipped several features as part of the ongoing debugger engine rewrite

Developer on the Visual Studio C++ team, primarily on debugging components, including the native and managed c++ expression evaluators.