Tentcho Totev
Principal Data Engineer @Boston Scientific
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WORK HISTORY
Principal Data Engineer @Boston Scientific
Responsible for architecting, building, and maintaining clinical research and patient engagement Data Lake on AWS, inbound/outbound pipelines and data transformations. • Architect, deploy and maintain 100% Infrastructure as Code production Data Lake environment on AWS with Terraform scripts • Ensure low maintenance and detailed monitoring of data cleansing operations with PySpark Streaming running on AWS EMR • Eliminated 5+ hours/week of manual activities per user by building user friendly task scheduler for AWS SageMaker instances • Reduced 50% of the data transformation time by replacing AWS Glue Crawlers with AWS Glue Data Catalog schemas • Design and deploy optimized custom extraction routines with Docker containers running on AWS ECS • Achieve high level orchestration and automation of data refinement services by employing AWS Step Functions, Lambda, and SQS • Guarantee early errors discovery and frequent infrastructure production deployment with GitLab CI/CD tools • Determine optimal transformation runtimes by evaluating AWS Glue Spark Jobs, Python Scripts, AWS Lambdas, and EMR jobs • Built early warning system for data integrity issues with AWS CloudWatch Alerts, AWS ElasticSearch, AWS Lambda, and SNS
EDUCATION
Free Code Camp
Full Stack Web Development Certification, Computer Software Engineering
University of National and World Economy
Master of Science - MS, Accounting and Computer Science
SKILLS
ABOUT TENTCHO TOTEV
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