Sudhir G.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Professional Summary:-  15+ years of experience in Postgresql, Mongodb,MySQL DBA, Development and Database Architecture  Managing Very Large OLTP Databases (>6 TB) and Data Warehousing (118 TB)  MySQL & Oracle Certifications with 92% of score  Expert-level knowledge in designing, implementing, and managing database systems for heavy-traffic transactions  Expert-level knowledge in Postgresql, MongoDB &, MySQL’s logical Architecture, Concurrency control, Transactions(ACID), Multi-version Concurrency Control and MySQL’s Storage Engines  Experience in optimizing a poorly designed and badly indexed schema of high traffic web applications and improved performance up to 600%.  Excellent knowledge and solid experience in PL/SQL code Query Tuning and Optimization, Restructure quires and Query optimizer hints  Excellent knowledge and hands on experience of Optimizing Postg resql, Mongodb,MySQL server settings on General Tuning, Tuning DB's I/O Behavior, Tuning DB's Concurrency and Workload-Based Tuning.  Expert-level DB's high availability skills with Master–Slave, Master–Master, Master and Multiple Slaves, Master-Master in Active-Active Mode, Ring, Pyramid replications set up, replication troubleshooting and Replication failover alerts on heavy load application  Expert-level knowledge on DB's Backups and Recovery, Logical and Raw backups, Increment backups, Parallel backup, Compression backup and point in recovery  Expert-level knowledge on Operating System and Hardware Optimization, Balancing Memory and Disk Resources, RAID Performance Optimization, Choosing Hardware for a Slave.  Excellent Knowledge plug-in APIs for replication, authentication, auditing, authentication and thread pooling.  Excellent Knowledge on DB server Benchmarking, DB server Capacity Planning, Benchmarking strategies, Benchmarking Tactics and Benchmarking tools  Experience on installation different versions of DB's dedicate servers on Linux, Solaris and Windows NT/2003/2000 and tuned server level configuration parameters based on application behavior.  Experience in Production DB's Cluster setup with tow node groups, DRBD and windows server failover clustering (WSFC).  Good scripting/programming skills using Perl, Python, Shell and PHP  Experience in Linux & Solaris administration skills  Excellent knowledge in creating new databases and users, Administrating security levels Privileges, setup schedule backups and failover alerts, Import and Export backups, crash recovery, using mysql utilities, data encryption and monitoring scripts.  Excellent Knowledge in Shell and Perl Scripting and configure for Backup failover alert, Replication failover alert, replication lagging alert, daily top 10 slowest query alert , Dead lock alert and other monitoring alerts.  Excellent knowledge and hands on experience in Migrating from other RDBMS (MSSQL, Oracle) to MySQL using Talend , SSIS and MySQL migration ETL tools  Excellent Knowledge in MySQL Capacity Planning, Benchmarking and finding the Bottlenecks.  Experience on Normalization, De-normalization, Database modeling and EER diagrams  Good at relational Databases design using MySQL 5.0, 5.1, 5.5 and Oracle 9i  Excellent knowledge and hands on experience in SQL and PL/SQL coding and optimizing in Mysql 5.0, 5.1, 5.5, Oracle9i and MSSQL servers.  Excellent knowledge and solid experience in SQLYog, Talend, Info Bright (Data warehousing), Mysql Workbench, Jet Profiler, MaatKit, Sysbench, MySQL SLAP, Database Test suite, Mysql Benchmark, Percona XtraBackup, Mydumper, Myloader, Percona Data recovery tool and MySQL query browser.  Experience on recovering lost/corrupted data from InnoDB tables.  Excellent Knowledge and hands on experience in Data Warehousing concepts tools Infobright, TokuDB, Talend and SSIS,SSAS&SSRS  Good at coding, debugging and writing Stored Procedures, Functions, Triggers and Views by maintaining the standards to meet organization requirements and customer expectations.  Knowledge in database architecture concepts as well as vendor-specific implementations  Good at troubleshooting for technical problems and understanding the system.  Analyzed, designed and developed procedures, functions and Triggers  Excellent knowledge and solid experience in DB's Architecture and Database Design  Excellent Time management skills for handling multiple projects.  Active team player and a self-starter, capable of working independently.  Ability to define short, mid and long-term goals.  Intense desire to create new and innovative solutions  Ability to work independently on large projects.  Excellent communication skills written and verbal.  Excellent organizational and follow-up skills.  Good at mathematics, statistics and reasoning