06/29/2025 updated


100 % available
Solution architect
Bratislava, Slovakia
Only remote
Amazon Web ServicesMicrosoft AzureCloud ComputingIBM DB2Relational DatabasesDatabase DesignDB2 SQLInfrastructure ManagementPostgreSQLMariaDBMicrosoft SQL ServersAzure SQLMongoDBMySQLNoSQL
With nearly 30 years of hands-on experience in IT, I help businesses design scalable, cloud-native database architectures that deliver long-term performance and reliability. Specializing in relational and NoSQL databases (on-prem, AWS, Azure), I guide teams and organizations through complex data landscapes — from legacy modernization to high-availability cloud migration.
Specializing in relational and NoSQL databases (on-prem, AWS, Azure), I guide teams and organizations through complex data landscapes — from legacy modernization to high-availability cloud migration.
✅ Full-scope data migrations (on-prem ↔ cloud, multi-cloud, RDBMS ↔ NoSQL)
✅ Robust database design for OLTP systems, DWH, BI layers
✅ Technical leadership for cloud and infrastructure projects
✅ Deep experience with tools like Terraform, Azure Data Factory, AWS DMS, PostgreSQL, SQL Server
Specializing in relational and NoSQL databases (on-prem, AWS, Azure), I guide teams and organizations through complex data landscapes — from legacy modernization to high-availability cloud migration.
✅ Full-scope data migrations (on-prem ↔ cloud, multi-cloud, RDBMS ↔ NoSQL)
✅ Robust database design for OLTP systems, DWH, BI layers
✅ Technical leadership for cloud and infrastructure projects
✅ Deep experience with tools like Terraform, Azure Data Factory, AWS DMS, PostgreSQL, SQL Server
Experience
Professional experience0 - 5 years
Freelancer since2023
Languages
EnglishGood
Project history
Key Responsibilities:
Requested and received a complete JSON dataset from the vendor managing the original AWS-based NoSQL database
Performed in-depth analysis of the JSON structures to understand entities, nested relationships, and business rules
Designed a new relational data model tailored for Azure SQL Database, including normalized tables, constraints, and indexes
Delivered a clean schema ready for the new sales application architecture
Coordinated with a colleague who implemented Azure Data Factory pipelines to map, transform, and ingest the data from AWS to Azure
Supported the ETL design and testing process to ensure data consistency and integrity
Requested and received a complete JSON dataset from the vendor managing the original AWS-based NoSQL database
Performed in-depth analysis of the JSON structures to understand entities, nested relationships, and business rules
Designed a new relational data model tailored for Azure SQL Database, including normalized tables, constraints, and indexes
Delivered a clean schema ready for the new sales application architecture
Coordinated with a colleague who implemented Azure Data Factory pipelines to map, transform, and ingest the data from AWS to Azure
Supported the ETL design and testing process to ensure data consistency and integrity