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I am a Senior Database Administrator & Database Architect with 10+ years of hands-on experience in RDBMS and Graph Databases, specializing in large-scale database migration, cloud modernization, and performance optimization for mission-critical systems. I have successfully delivered end-to-end database migrations and modernization programs across FinTech, Logistics, Healthcare, and Enterprise platforms, supporting clients in Singapore, UK, UAE, and South America. My work focuses on building highly available, scalable, and performance-optimized database environments on AWS and Azure. What I Do Best • End-to-end database migration and modernization with zero or minimal downtime • Performance tuning and query optimization for large, high-volume databases • Cloud-native database architecture and HA/DR implementation • Graph database modeling and optimization using AWS Neptune • Automation-driven DBA operations to reduce risk and manual effort Key Services I Offer Database Migration & Modernization • SQL Server → PostgreSQL / MySQL / Aurora • Oracle → PostgreSQL • SQL Server → AWS Neptune (Graph Database) • IBM DB2 → Aurora PostgreSQL • On-premises → AWS / Azure cloud migrations • Checksum-validated, low-downtime migration strategies Database Performance Optimization • Query rewrite and execution plan optimization • Index strategy design and tuning • Bottleneck identification for large datasets • Achieved 5x–20x performance improvements on critical workloads Cloud Database Engineering (AWS & Azure) • Amazon RDS, Aurora, EC2-hosted databases • AWS DMS migration pipelines • High Availability, Multi-AZ, failover & DR design • Monitoring and optimization using CloudWatch and Performance Insights Graph Database Engineering • AWS Neptune setup, tuning, and scaling • Gremlin and Cypher query optimization • Graph data modeling for complex relationships • SQL-to-Graph data transformation and integration Scripting & Automation • Python automation for ETL, migration, validation, and reporting • PowerShell and Bash scripting for DBA operations • Environment refresh automation for Dev / QA / UAT / Prod Reporting & ETL • SSIS, SSRS, Azure Data Tools (ADT) • Data warehouse design and transformation pipelines Technical Expertise • Databases: SQL Server, MySQL, PostgreSQL, Oracle, MongoDB, AWS Neptune, IBM DB2 • Query Languages: T-SQL, PgSQL, PL/SQL, Gremlin, Cypher • Cloud: AWS (RDS, Aurora, EC2, DMS, Redshift, VPC, KMS), Azure (IaaS / PaaS) • Scripting: Python, PowerShell, Bash • Tools: SSIS, SSRS, CloudWatch, SQL Profiler, Query Store, Performance Monitor Why Clients Choose Me • Proven experience with complex, high-risk migrations • Strong focus on data integrity, performance, and reliability • Clear communication and ownership from planning to delivery • Solutions built for long-term stability and scalability If you need a reliable DBA, migration specialist, or performance expert who can take full ownership and deliver results with precision, I’m ready to help.

Oracle : - Having rich experience in Oracle Database Installation, upgrades. - install and setup high availability e.g. RAC , DG , GG - Rich experience in migration from one platform to another .\ - Rich experience in migration from on-prem to AWS/Oracle cloud . - Experience in AWS DMS - Setup the backup and recovery standards. - DB and query tunning. - troubleshoot performance issues - Automation using shell/batch/python scripting - debugging users issues . - Automate repetitive task using python/shell/batch script. - Having fair hands on automation using Ansible for Oracle DBA repetitive task. Migration: =========== - Oracle EE/SE to postgres AWS RDS using AWS SCT & DMS services - Oracle EE/SE to Oracle Cloud using datapump. - Oracle EE/SE to MariaDB using Goldengate. - Migration from one platform to another platform - Migration from oracle to databriks Automation: good in shell scripting , batch , python and ansible. recently completed oracle grid and rdbms installation automation using Ansible . Good experience in upgrades and performance tunning. Experience DBA devops and automation expertise. Postgres : ======= - Installation, upgrade minor and major - AWS Auroa RDA - postgres - troubleshooting - performance analysis Replication: Using golden gate Shareplex Debezium log miner and Openlogreplicator

SQL Server & Database Expert | 25+ Years of IT Experience Data Modeling | Design & Development | Data Analytics | Performance Tuning | Data Visualization With over 25 years of extensive IT experience, I specialize in SQL Server environments (from SQL Server 2005 to 2019). I deliver high-quality, scalable database solutions that ensure optimal performance, data integrity, and seamless integration. My expertise spans design, modeling, development, implementation, and support of SQL Server systems, with a focus on performance and efficiency. Key Skills & Expertise: T-SQL Proficiency: Creating complex triggers, tables, stored procedures, functions, and views to ensure seamless data management and integrity. Database Management: Extensive experience with normalization and RDBMS, optimizing structure and performance. SQL Server Services: Hands-on with SSIS, SSAS, and SSRS for integration, analysis, and reporting. Performance Tuning: Optimizing performance and query tuning for efficient database operation under heavy load. Data Modeling: Specializing in logical and physical modeling, using tools like Erwin for effective database design. Data Warehousing & ETL: Expertise in data warehouse design, SSIS, Azure Data Factory, and building star schema dimensional models. Business Intelligence & Reporting: Skilled in SSRS and Power BI for interactive dashboards, reports, and visualizations that turn data into actionable insights. Optimization Tools: Familiar with Index Tuning Wizard, SQL Profiler, and Performance Monitor to resolve bottlenecks. Database Administration: Proficient in MySQL and PostgreSQL database development, configuration, troubleshooting, and administration. Additional Expertise: DBA Tasks: Server maintenance, fail-over clustering, replication, backup/restoration, job scheduling, and error handling. Performance Monitoring Tools: SQL Sentry One, Grafana, and Spotlight for SQL Server. Collaboration & Teamwork: Strong in cross-functional collaboration to meet business objectives. Adaptability & Multitasking: Ability to handle multiple projects while adapting to new technologies and client needs. Quick Learner: Fast to pick up new technologies and deliver impactful solutions. Let’s Build Scalable & High-Performing Solutions Together! If you're looking for a results-driven database expert to optimize your SQL Server environment, design robust data models, or create effective BI reports, let’s connect. I'm passionate about helping clients achieve their goals through high-performance database solutions.

IBM Certified | IBM Power Systems/Unix-AIX Consultant | IBM Cloud / Power System Virtual Server (PowerVS) | Shell Scripting (KSH) | Infra Automation Dedicated and Innovative Infrastructure Systems Consultant with 15+ years of overall Information Technology (IT) experience includes managing traditional & Cloud Data Center (IBM Power/UNIX/IBM-AIX) infrastructure and secondarily overall exposure to Storage (SAN), Network (LAN,WAN) and Backup components by adhering to ITIL concepts. Also have experience in Hardware Testing, Functional Verification Testing. AREA OF EXPERTISE: * Data Center Operations and Migration * Engineering & Automation * Systems Testing (Hardware - Processor/Memory) * Automation and Manual Testing (Hardware) TECHNICAL SKILLS: * IBM Power Systems - Power5, 6, 7, 8, 9, Power10 and Power11 (RISC Hardware) * IBM AIX OS - AIX 5.2, 5.3, 6.1, 7.1, 7.2 and AIX 7.3 * IBM PowerVM - VIOS 2.x, 3.x, 4.x * IBM PowerHA System Mirror (HACMP) * IBM Hardware Management Console (HMC and vHMC) * IBM Dynamic Logical Partitioning (DLPAR) * IBM Network Install Manager (NIM) * ITIL (Incident (IM), Service Request (RITM), Change (CM) & Problem Management (RCA)) * Automation using Korn Shell Scripting (KSH/Python/Ansible) * VSCSI, NPIV, SEA, VNIC, ISCSI, Virtual Optical Devices, NVMe * IBM Cloud - IBM Power Systems Virtual Server (PowerVS)

Work Experience : 11+ years of work experience in IT industry. Skill Set: 1. Postgres/MySQL/Oracle/MongoDB/MSSQL/InfluxDB Database administration and Performance optimization 2. RHEL/CentOS/Ubuntu/Debian/Windows Server Administration 3. AWS/AZURE/GCP cloud administration 4. DevOps - CI/CD Pipeline Setup, Jenkins. 5. WebServer Administration: Apache Tomcat/Nginx 6. Open Source Ticketing system: Zammad/FreeDesk 7. ActiveMQ and ElasticSearch administration 8. NextCloud , DropBox. 9. OpenStack. 10. Automation: Automation of repetitive tasks using Bash, Shell, Python and Ansible script. 11. Web Development : Frontend - Angular, React, HTML, CSS, Tailwind CSS, Bootstrap CSS. Backend: Python with FastAPI and Django framework. DotNet. Java with Spring boot. Node. JavaScript (Node.js)

I am an experienced Developer and having more than 10 years of experience. My skill areas are - Power BI, NetSuite, SQL Server, Acumatica, MicroStrategy, EDI integrations with OpenText solutions, SSIS, Azure Data Factory & Pipelines, Azure Data Lake Store, Azure SQL Server & Data warehouse.