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Schedule Interview NowMy name is Alexander N. and I have over 9 years of experience in the tech industry. I specialize in the following technologies: Oracle Database, SQL, Database Administration, Solution Architecture, Database Architecture, etc.. I hold a degree in Bachelor of Engineering (BEng), Engineer's degree, Master of Science (MS). Some of the notable projects I’ve worked on include: Massive Oracle DB system migration and Disaster Recovery, Ultra low-latency AWS multi-region cloud infrastructure, Multi-cloud Azure Data Factory implementation, Jenkins CI/CD build from GIT, 50+ Retail OLTP Databases migration and architecture, etc.. I am based in Dubai, United Arab Emirates. I've successfully completed 20 projects while developing at Softaims.
I approach every technical challenge with a mindset geared toward engineering excellence and robust solution architecture. I thrive on translating complex business requirements into elegant, efficient, and maintainable outputs. My expertise lies in diagnosing and optimizing system performance, ensuring that the deliverables are fast, reliable, and future-proof.
The core of my work involves adopting best practices and a disciplined methodology, focusing on meticulous planning and thorough verification. I believe that sustainable solution development requires discipline and a deep commitment to quality from inception to deployment. At Softaims, I leverage these skills daily to build resilient systems that stand the test of time.
I am dedicated to making a tangible difference in client success. I prioritize clear communication and transparency throughout the development lifecycle to ensure every deliverable exceeds expectations.
Main technologies
9 years
4 Years
2 Years
8 Years
Potentially possible
Oracle Middle East
Project goals: > Migrate 200+ enterprise databases from a variety of platforms (AIX, HP-UX, Linux), consolidating them on Oracle Exadata X7 > Upgrade legacy DB versions in the process of migration, from versions 9i, 10g, 11g to 12c > Set up Disaster Recovery solution > Conduct performance optimization as per Exadata best practices Accomplishments: > We have developed a flexible migration plan to be able to adjust the migration approach for each DB’s specific requirements > Migration approaches list included Oracle DataGuard switchover, Oracle Data Pump migration and Oracle RMAN duplicate > The migration process have been scripted to minimize downtime and optimize work > All database have been migrated to Exadata servers > Disaster recovery solution has been designed and set up, comprising Oracle RAC, Oracle Data Guard with standby databases on a dedicated Exadata system, and Oracle RMAN backups Technologies: - Oracle Database 9i, 10g, 11g, 12c - Oracle Exadata X7 - Oracle Grid Infrastructure - Oracle Real Application Clusters - Oracle DataGuard - Oracle RMAN - Oracle Data Pump - HP-UX - AIX - RedHat Enterprise Linux Workload: 15.000 hours Migration team: - 3 x Senior Oracle Exadata Administrator - Senior Oracle Database Architect - Project Manager Support team — 24×7 coverage: - Rotation shift member: 8 x Senior Oracle DBA - Rotation team leader: 4 x Senior Oracle Exadata Administrator
Company Industry and size: FinTech Startup Project goal: > Build low-latency and stable AWS multi-region cloud environment Accomplishments: > Configured channels and routes with minimun latency for the current distances. Redundancy was used. > Created Network ACLs Technologies: - AWS Workload: 40 hrs Project Team: - 2 Developers - 1 DevOps Outcome: Client was able to run his business in different regions to boost the income
Project goals: - Setup ETL process based on Azure Data Factory, to move data between OLTP. - MS SQL Server DB (on-premises environment) and Data Mart based on Azure Database for MySQL. - Implement several aggregations and transformations into ETL Accomplishments: - The ADF pipeline has been designed to move extract data from SQL Server, perform all required transformations and load the data into the Data Mart. - The service has been integrated with an on-premises monitoring system (Zabbix), to ensure robust, production-ready management and monitoring capabilities. - Azure AD roles and users have been set up to fit the enterprise security/access policies. Technologies: - Azure Cloud - Azure Data Factory - Azure Database for MySQL - Microsoft SQL Server - Zabbix Workload: - 60 hours Project team: - Senior DevOps Engineer - Senior Data Engineer
Project goals: - Build a CI/CD pipeline for an AWS based web application, using Jenkins and Git repository - The application comprises: AWS RDS (Oracle and SQL server), Fargate, EC2 Linux servers with Weblogic server Accomplishments: - Build and deploy pipelines have been configured with Jenkins, to fetch the new code from Git and deploy to Weblogic server, Fargate containers, and RDS DB - User access model has been implemented in Jenkins to ensure secure access to Production build/deploy functions Technologies: - Jenkins - Git - AWS EC2 - AWS Fargate - AWS RDS - Oracle Database - Microsoft SQL Server - Red Hat Enterprise Linux - Windows Server Workload: - 90 hours Project team: - Senior DevOps Engineer
Project goals: > Migrate of 50+ TB Highly-Available OLTP database from Europe to Russia > Migrate the DB from IBM Power AIX-based servers to Oracle Exadata X7 > Setup a high-availability solution, based on geo-replication between Eastern European and European datacenters > Ensure the migration downtime window to be less than 4 hours > Migrate Weblogic-based enterprise application Accomplishments: > Highly-available, scalable architecture has been developed, comprising Oracle RAC, geo-distributed DataGuard system, Cascade Active DataGuard for offloading reporting workload > A custom two-phase migration approach has been developed to ensure downtime windows of less than 4 hours > The migration solution based on XTTS for Phase One and on Data Guard switch-over for phase 2 > The migration procedure has been scripted to minimize the downtime and manual work > The load testing plan has been developed, using Oracle Database Replay > The solution has been implemented within 4 months, meeting the deadline requirements Technologies: - Oracle Database - Oracle Exadata - Oracle Cross-Platform Transportable Tablespaces (XTTS) - Oracle Enterprise Manager Cloud Control - Oracle Grid Infrastructure - Oracle Real Application Clusters - Oracle DataGuard - Weblogic Server - Oracle Database Replay - AIX - Oracle Enterprise Linux Workload: 945 hours Project team: - 2 x Senior Oracle Exadata Administrator - 2 x Senior Oracle Middleware Administrator - Senior Oracle Database Architect - Project Manager
Bachelor of Engineering (BEng) in Information Security
2007-01-01-2011-01-01
Engineer's degree in Computer science
2007-01-01-2013-01-01
Master of Science (MS) in Computer science
2018-01-01-2020-01-01