Hire the Best dBase Programming Specialists

SQL Developer | Database Developer & Architect | Data Modeler | Performance Tuning | Data Migration | ETL Solutions | Data Warehouse With over 10+ years of experience in database development, architecture, data modeling, and ETL solutions, I specialize in designing high performance, scalable database solutions. What I Can Do for You: • Database Design & Development • Data Modeling (Conceptual, Logical, and Physical) • ERD (Entity Relationship Diagram) Design & Documentation • SQL Development & Advanced Query Optimization • Database Programming (Stored Procedures, Functions, Triggers, Views, and Database Objects)) • Database Performance Analysis & Tuning • ETL Design, Development & Data Migration • Data Warehousing & Business Intelligence Solutions • Database Assessment, Troubleshooting, Normalization & Modernization I have successfully delivered database and data solutions across multiple industries, including Banking, Education, Booking & Reservation Systems, ERP Solutions, Government Organizations, Large Scale Enterprise Systems, and Enterprise Applications. Please provide me any existing documents; I will review them without cost . I can commence immediately, upon receipt of files and/or specifications, and typically provide either recommendations or a mock-up for review within 12 hours.. It would be my pleasure to work together and I will do my best to meet your expectations. Best Regards,

Slow databases? Production outages? Performance bottlenecks affecting your business? I help organizations identify root causes, optimize database performance, and build reliable database platforms. I am a senior database administrator (DBA) with over 13 years of hands-on experience managing production database systems. I specialize in MySQL, MariaDB, PostgreSQL, SQL Server, MongoDB adn Oracle, providing database troubleshooting, incident response, daily operations and maintenance, performance optimization, and reliable backup, high availability, and disaster recovery solutions for mission-critical environments. 🔍 Database Expertise: With over 13 years as a senior expert in MySQL/MariaDB/Percona/PostgreSQL/MongoDB/Oracle/SQL Server/DuckDB, I’ve managed over 5000 databases and 300 TB+ of data. My experience covers database architecture, performance optimization, backup and recovery, High availability, disaster recovery, and much more. I ensure every database solution I deliver is robust, scalable, high performance, and perfectly aligned with your business needs. 🛠️ Technology Stack: MySQL/Percona (Versions 5-9) MariaDB (Versions 5-12): Installation、High Availability, Replication, and Scalability Solutions、InnoDB Cluster、Group Replication、Workbench/Shell/Router、Backup & Restore、Galera Cluster、Percona XtraDB Cluster、XtraBackup、Toolkit、InnoDB/MyISAM/Binlog、Orchestrator、replication-manager. PostgreSQL (Versions 7-18): Installation、High Availability, Replication, and Scalability Solutions、SQL Tuning、pgpool-II、PostGIS、TimescaleDB、ClickHouse、Patroni、Citus、pgvector、Security、Supabase、Neon. MongoDB (Versions 3-8) / MongoDB Atlas : Installation、MongoDB Shell (mongosh)、Aggregation、Indexes、Atlas、Time Series、Change Streams、Replication、Sharding、Storage、Administration、Security. SQL Server (Versions 6.5 – 2025): Installation、High Availability and Disaster Recovery (Always On AG, FCI, Log Shipping, Replication)、Distributed Availability Groups、SQL Server Management Studio / Azure Data Studio / sqlcmd、Backup & Restore、Failover Cluster / Always On Solutions、PowerShell dbatools / First Responder Kit、Storage Engine / Transaction Log / Change Data Capture. Other Database : Oracle、DB2、Redis、SQLite、DuckDB、DocumentDB Cloud service providers: AWS RDS、AWS Aurora、Amazon DocumentDB、GCP、Azure、N8N creator. Certifications: I hold certifications from Cisco, Oracle, MySQL, AWS, ITIL, PMP, and TOGAF, ensuring I bring industry-recognized expertise to every project. 📈 Why Choose Me? Proven Experience: Worked for leading ICT and IoT solution providers, supporting major operators, banking, and financial enterprises. End-to-End Solutions: From designing high availability architectures to delivering query optimizations and backup solutions, I offer complete database management expertise. Training & Support: I also provide course training for companies looking to empower their teams with database-related skills. 🤝 Let’s Collaborate: If you’re looking for a seasoned database professional to tackle challenges in MySQL, PostgreSQL, MongoDB, Oracle, or other database technologies, let’s discuss how I can help streamline your operations and enhance performance. 📩 Contact Me: I’m ready to dive into your project. Reach out, and let’s unlock the full potential of your data infrastructure together!

Hi There, I’d love to schedule a quick 10-minute conversation to demonstrate my SQL Server expertise (10+ years), flexibility with work timings, and cost-efficient employment. I can also share insights on my past work and how I communicate effectively with clients. Let me know a time that works for you—I’ll keep it brief and impactful! Best, Miraj Sen.

✅13+ years in Database ✅Database Administrator ✅Business Intelligence Developer ✅SQL Subject Matter Expert ✅Microsoft Certified SQL Server Database Developer ✅Certified in Data Scientist. ✅ PostgreSQL✅ Microsoft Power BI ✅ Azure Solution Architect 🎯 Top Rated Expert in Upwork 🎯I will make every effort to understand your requirements and provide exactly what you require while staying within the agreed-upon timeframe. ⚡I have 12 years of experience with SQL Server database service, ranging from basic to advanced. With demonstrated skills in various fields, my curricular and technical accomplishments represent my reputation for hard work, honesty, and providing a value-added benefit to our customers. 🎯I have work with fortune clients, and more than 25 critical projects are running live in the production environment. ⚡Building long-term relationships with my clients are vital to me. ⚡I'm flexible with my working hours and will be delighted to discuss your proposal with you as soon as possible. ⚡Also specialized in SQL Server database administration and extensive experience in: SQL Server 2014 and 2016 Upgrades SQL Server 7, 2000, 2005, 2008, 2008R, 2012,2014 Support Data Type Conversions Deprecation of SQL Commands Custom Scripts for Health Checks, Data Archiving, Table Maintenance Customized Backup Routines Database Refreshes High Availability Job Failure Detection and Recovery Project Execution/DDL Rollout Release Management SAN Implementation SQL Server BI Replication SQL Server SSIS Clustering Query Tuning Optimal SQL Server Configuration OS Troubleshooting SQL Server Reporting Services Analysis Services DTS to SSIS Conversion Performance Tuning T-SQL SQL Server Replication 💡Excellent Knowledge of SQL / R / Python / Machine learning 💡3+ years of experience in Hadoop, HIVE, Spark 💡Proficient at creating high-level design after studying current and required database design and low-level design based on the high-level design with in-depth new database design. 💡Worked on Database Designing from Scratch for New Application by Understanding the requirement and Proficient in building CDM, LDM & PDM. 💡Exceptional communication, collaboration & team-building skills to grasp new technical concepts quickly and productively utilize same. 💡Possess strong communication, relationship management, and coordination, analytical and problem-solving skills 💡Proficiency in Natural Language Processing. 💡Proficiency in data science toolkits, such as R, Weka, NumPy, Matplotlib, pandas, sklearn, etc., and capability in developing packages in R, Python, SAS 💡Experience with NoSQL databases, such as MongoDB, HBase 💡Experience with data visualization tools using ggplot, etc. 💡Conceptual understanding of statistics, such as distributions, hypothesis testing, regression, classification clustering Association, etc.

🌟 Oracle APEX & Oracle Forms Architect | 12+ Years of Excellence Transforming Business Processes with Scalable, Custom Cloud Solutions 🏆 What I Offer Oracle APEX Solutions: Modern, responsive, and interactive web apps—fully customized to fit your business needs. THE Upgrade, enhance, or migrate legacy forms to next-gen platforms with minimal disruption. Database & PL/SQL Expertise: High-performance database design, query optimization, and complex business logic. System Integration: Seamless connectivity with APIs, Power BI, ERP, third-party apps, and more. UI/UX Design: Clean, intuitive interfaces for desktop and mobile—ensuring an exceptional user experience. Performance Tuning: Diagnose and optimize slow systems for peak efficiency and reliability. Documentation & Training: Detailed documentation and hands-on training to empower your team. 🚀 Industry-Proven Solutions Deployed Order Management System Point of Sale (POS) Export Management System School Management System Folding System GatePass Attendance Management System Payroll Management Medical Pharmacy System Power BI Dashboards (HR & Operations) WordPress Website Solutions 💡 In 12+ Years of Real-World Results Client-Centric, Collaborative Approach On-Time, On-Budget Delivery Transparent Communication, Reliable Support I don’t just deliver software—I deliver measurable business value. If you want a long-term partner for your Oracle APEX and Forms needs, let’s talk!

Database administration | Database development | Database Management | MySQL administration | MySQL programming | DEVOPS | AWS | AI Hi I am Sandy Pabilonia a database management specialist. Now. Enough about me. Let's talk about you. Are you looking for a person who can help you identify problems within database system? I know you'll agree with me when I say: It's REALLY frustrating to have this problem and have no idea where to start. Well this is where I come in. So you can focus on your business and me on your database management works. My service is not unique but love for database is.