Sergei Bozhko Email & Phone Number

- Developed the core module for device metric collection and deployed whole data processing platform from scratch, supporting more than 500,000 devices, using Go, AWS and Terraform. Further enhancing it with multi-schema support and data compression features, cutting operational costs by 30%.- Implemented a feature flags system enabling updates without downtime to accommodate breaking changes.- Developed and integrated a REST API for device anomaly detection and scheduling using Golang and AWS Lambda, collaborating with multiple teams.- Created a validation framework for anomaly detection, using Python and Databricks, boosting accuracy by 38%.- Migrated GoToMeeting distributed test framework to Kubernetes, increasing test execution speed by 10x, while ensuring smooth transition of downstream teams.

Berlin, Germany

- Developed end-to-end features for marketing campaign management involving the creation of REST API (Golang), ensuring data consistency (PostgreSQL), and building new frontend components (Angular), resulting in a 60% increase in marketing team performance.- Designed and integrated a testing strategy for the invoicing system into the CI pipeline, achieving 80% test coverage of the backend.- Optimized invoice and financial report generation algorithms, by closely collaborating with CFO and customers, reducing processing time by 3x times.

St Petersburg, St Petersburg City, Russia

- Developed and maintained core services for an exchange platform using Node.js, Golang, and Kubernetes, enabling support for over 10 different cryptocurrencies.- Integrated cryptocurrency operations for Bitcoin, Ethereum, Ripple, and Monero, reducing transaction processing time by 40% and overcoming public API rate limits through efficient caching strategies.- Led the end-to-end development of the service, collaborating with other teams to ensure seamless integration across the platform.- Fostered a strong tech culture by onboarding new project members and initiating knowledge-sharing practices to improve team collaboration and efficiency.

St Petersburg, St Petersburg City, Russia

- Developed advanced search, filtering, and reporting features for an internal employee management platform- Improved rendering performance by 30% and accelerated search functionality by 2.5x through frontend optimizations.

Master'S Degree, Distributed Systems Engineering

Master Thesis: "Evaluating tradeoffs for a highly available and cost-efficient deployment of the BikeNow system" Technologies: Java.

Bachelor'S Degree, Software Engineering