Konstantin Saraev

Designing and developing full-stack app features; automating cloud-based infrastructure configuration and deployment; implementing recommendation algorithms; automating test coverage Built a full-stack application with Java, Spring Boot, PostgreSQL, Kafka, JavaScript Set up AWS infrastructure and automated cloud deployment with AWS CLI, kubectl, Bash, achieving a 97% cost reduction and completely eliminating 45 minutes of manual work Automated unit/integration tests (Spring Test, JUnit, Mockito)

Implementing libraries for test frameworks; CI/CD; analyzing product requirements; conducting code reviews; test automation; mentorship Implemented test framework core and common libraries (Python, RESTful API, Kinesis, DynamoDB, Kubernetes) reducing product delivery time by 30% Improved framework configuration and reporting (Docker, Artifactory, Bamboo, Zephyr Scale), reducing daily maintenance time by 90% Set up infrastructure, detecting 95% of the new location-specific issues

Building tools, frameworks, and services for POS ecosystem test architecture; configuring and automating deployment; managing teams Created test data distribution and management services (Java, Spring, OpenFeign, Hibernate, Kafka, Kubernetes, Helm), achieving 35 hours of savings weekly Implemented test framework for iOS/Android apps (Java, Spring, Hibernate, PostgreSQL, Appium) cutting execution time to 30 seconds Engineered a backend test framework, reducing regression time to 90 seconds and saving $52,000

Developing tools, frameworks; CI/CD; implementing test strategy; tuning app performance Built a mobile traffic analysis service (Java), reducing manual effort by 80% Implemented performance testing tools for the OSS/BSS platform, completely eliminating performance issues in production Automated infrastructure and mock services configuration (Ansible, Docker), reducing deployment time by 90% Created a front-end test automation framework (Java, Selenium, XPath, SQL, TestNG) for a multiregional platform