Sergey Rustamov's Email Addresses & Phone Numbers

Staff Engineer @ Spotify Greater New York City AreaVP of Technology @ YouNow YouNow is live broadcasting social network. Elegantly blending gaming, performing, broadcasting and social networking in the essential experience. My responsibility is to run our AWS cloud infrastructure smoothly with hundreds of thousands of people online.Built DevOps engineering team, consisting core backend developers and operations...

Staff Engineer @ Spotify Greater New York City AreaVP of Technology @ YouNow YouNow is live broadcasting social network. Elegantly blending gaming, performing, broadcasting and social networking in the essential experience. My responsibility is to run our AWS cloud infrastructure smoothly with hundreds of thousands of people online.Built DevOps engineering team, consisting core backend developers and operations engineers.Responsible for day to day engineering management, including recruitment, interviews, on-boarding and performance reviews.Practiced agile development methodologies - scrum and kanban.Responsible for identifying key improvement areas in overall infrastructure.Leading architect - data flows, tools choices, implementation and execution phases.Responsible for infrastructure budgeting and costs savings. Managed third party vendors such as RedisLabs, Level3. Contract price negotiations, technical support and provisioning integration.Overall system performance optimizations – handling 20+ times higher traffic with 37+ million registered users, 65K+ concurrent users on site and 700K rpm.Architected highly available solution utilizing AWS API Gateway, Lambda, Docker containers with DNS Failover Policy.Containerized and split monolithic backend infra to micro services utilizing Docker and EC2 Container Service.Consolidated massive data streams into Redshift as final analytical tool - RDS Aurora, DynamoDB, NGINX logs via FluentD and Kinesis Firehose.Utilized plethora of AWS tools - Infra as Code: CloudFormation, Data Migration Services, Elastic MapReduce, Route53 as DNS provider, CloudFront with WAF, Elastic Transcoder, S3... From January 2014 to June 2017 (3 years 6 months) Greater New York City AreaLead Engineer @ YouNow Overhauled primary web servers stack - CentOS, NGINX, PHP-FPM – Shell, Linux.Developed caching layer utilizing cloud based Memcached and Redis cluster and local APC caching layer – PHP, Memcached, Redis, APC.Developed session handler utilizing highly scalable NoSQL Amazon DynamoDB and Couchbase database solutions. Optimized indexing using Couchbase views with Map Reduce processing model.System Architecture optimization: offloaded asynchronous jobs to Message Queues service.Optimized system scalability utilizing Amazon Autoscaling based on different system metrics (CPU, Queue size, Latency, etc…).Analyzed and designed tracking and reporting system – PHP, Shell.Software versioning and revision control: led code repository move from SVN to GIT.Deployment processes various optimizations – Perl, Shell.To optimize database access layer implemented table sharding. From May 2012 to January 2014 (1 year 9 months) Greater New York City AreaSenior Analyst Developer @ Goldman Sachs Co-lead group of developers of reporting system project – Java, DB2.Analyzed and designed consolidated reporting system supporting different trades inputs – FIX protocol, trade files, trade entry, batch import.Developed, designed and supported in-house database automated deployment tool – Java.Designed and implemented CFD productization flow – Java, DB2.Designed and developed database schemas – DB2, Sybase. Regression Testing: automated trade file and trade entry processes continuous testing.Onboarded multiple applications to in-house automated software release and deployment system.Client Onboarding: Developed centralized process of client onboarding used across different regions (NA, EMEA and Asia). From April 2010 to May 2012 (2 years 2 months) NYCTeam Leader/Software Engineer @ Oddcast Designed and developed database schemas on both MS SQL Server and MySQL Servers.Designed and supervised implementation of tracking and reporting system utilized by company's array of products.Initiated, designed and managed implementation of custom CMS staging-to-production synchronization system.Designed backend infrastructure for highly-available bidding radio advertisement system.Fine-tuned production databases to support higher traffic.Integrated with several different CDN networks.Integrated with several different USA and International online payment gateways.Integrated 3rd party IVR systems to utilize phone recording capabilities. From June 2000 to April 2010 (9 years 11 months) Web Developer @ CSX Transportation Designed and developed database schema utilizing Oracle DBMS 7.3 server, Oracle Server Manager, SQL*Loader and SQL*Plus.Designed and created Web Application using ISAPI/IIS 4/PWS, Active Server Pages and ActiveX Data Objects.Fined tuned and optimized performance of several report generating scripts.Debugged and tested applications. From February 2000 to May 2000 (4 months)