Oleksandr Ivanitskyy

Part of the Access Right Management (ARM) team, designing, implementing, and maintaining the platform's authentication and authorization systems.

• Integration with customer IDPs via SAML, OAuth 2.0, and OpenID Connect
• Hands-on with Auth0, AWS Cognito, Keycloak, and Okta for identity federation and SSO
• Identity lifecycle management, access policies, and secure user provisioning
• Infrastructure on AWS with Kubernetes and GitOps practices

Part of the Data Export team, designing and implementing solutions in a microservices architecture.

• Migrated 30+ microservices from Jenkins to ArgoCD, defining the team's CI/CD practices
• Large-scale data export to customer storage (SFTP, HTTP, S3, Azure Data Lake)
• Used Apache Kafka and SQS for efficient data flow between services
• Built and integrated services on AWS in a microservices setup

Part of the Product Enrichment team in the Content cluster, focused on enriching product information to help customers make better purchase decisions.

• Migrated from a monolith to microservices, improving scalability and maintainability
• Added support for multi-image products, expanding the visual info available to customers
• Unified Glovo's catalog and products behind a single API, cutting latency
• Collected and integrated extra product data (additional images, nutrition info) for partners

Part of the Amazon Business - Guided Buying team, building features for B2B customers so they can create preferred catalogs and apply restrictions on Amazon's catalog.

• Migrated storage to Apache Parquet, cutting compute costs by 90%
• Built a recommendation engine from past purchases to generate baskets of recurring items
• Implemented seller, category, and brand restrictions to steer buyers toward policy-compliant products

Part of the Continuous Integration team, automating and improving development and delivery workflows.

• Designed and configured Jenkins pipelines for build, test, and deploy flows
• Wrote Python scripts for automation, testing, and deployment tasks
• Created Dockerfiles to containerize apps and keep environments consistent across development, test, and production
• Operated Kubernetes clusters for stability, scalability, and security for engineering teams

Internship focused on Software-Defined Networking (SDN) and Network Functions Virtualization (NFV).

• Built applications on the ONOS (Open Network Operating System) framework for network resource orchestration and automation
• Designed and implemented features to improve network performance, scalability, and reliability
• Worked with senior engineers on network service orchestration projects