Dhinesh Sekar

Dhinesh Sekar

Oracle PL/SQL & Snowflake Data Engineer
Saudi Arabia
Tamil, English
Full-time On-site

About Me

An accomplished Data Engineer with 5+ years of hands-on experience in designing, building, and optimizing data warehouse solutions across on-premise Oracle and cloud-based Snowflake platforms. Proficient in developing an…

Experience

Oracle Database Specialist

Kanoo Elite Private Limited · Riyadh, KSA
Mar 2023 - Dec 2025 · 2 years 9 months

<p>Creation of database objects like tables, views, synonyms, materialized views, stored procedures, packages using Oracle tools like PL/SQL developer.</p><p> Developed and implemented Oracle stored procedures, triggers, functions, and packages for multiple databases.</p><p> Utilized Oracle database tools such as SQL Developer, PL/SQL Developer, Toad to develop solutions.</p><p> Creating indexes on tables to improve the performance by eliminating the full table scans and views for hiding the actual tables and to eliminate the complexity of the large queries.</p><p> Develop scripts using business rules for data matching, data cleansing.</p><p> Analyze and validate customer data to meet Workday requirements.</p><p> Analyzing the business information needs of Global News and mapping this to their existing and new systems.</p><p> Ensuring the Business Information needs are developed in the migration solution.</p><p> Building intermediate database extract and transformation scripts.</p><p> Responsible for managing data sourcing, cleansing and reconciliation efforts with other workstream teams and business units.</p><p> Provide support during production implementation and Go-live activities.</p><p> Prepare detailed technical impact analysis and test data preparation for testing team if need.</p>

Data Engineer

Kanoo Elite Private Limited · Riyadh, KSA
Mar 2023 - Dec 2025 · 2 years 9 months

<p>Creation of database objects like tables, views, synonyms, materialized views, stored procedures, packages using Oracle tools like PL/SQL developer.</p><p> Developed and implemented Oracle stored procedures, triggers, functions, and packages for multiple databases.</p><p> Utilized Oracle database tools such as SQL Developer, PL/SQL Developer, Toad to develop solutions.</p><p> Creating indexes on tables to improve the performance by eliminating the full table scans and views for hiding the actual tables and to eliminate the complexity of the large queries.</p><p> Develop scripts using business rules for data matching, data cleansing.</p><p> Analyze and validate customer data to meet Workday requirements.</p><p> Analyzing the business information needs of Global News and mapping this to their existing and new systems.</p><p> Ensuring the Business Information needs are developed in the migration solution.</p><p> Building intermediate database extract and transformation scripts.</p><p> Responsible for managing data sourcing, cleansing and reconciliation efforts with other workstream teams and business units.</p><p> Provide support during production implementation and Go-live activities.</p><p> Prepare detailed technical impact analysis and test data preparation for testing team if need.</p>

Data Engineer

Ivaan Tech Pvt Ltd · Chennai
Mar 2020 - Sep 2022 · 2 years 6 months

<p>Created and maintained Oracle database objects like tables, views, materialized views, indexes, constraints, sequence, synonyms and database link using SQL.</p><p> Developed complex Oracle PL/SQL queries and stored procedures for data migration and integration.</p><p> Designed and developed database objects including tables, views, packages, functions, and triggers.</p><p> Built and maintained complex database queries, stored procedures and packages.</p><p> Developed data models to support new business requirements.</p><p> Data extracting in multiple table for the testing purpose.</p><p> Data validation between source and target environment.</p>

Data Engineer

Ivaan Tech Pvt Ltd · Chennai
Mar 2020 - Sep 2022 · 2 years 6 months

<p>Created and maintained Oracle database objects like tables, views, materialized views, indexes, constraints, sequence, synonyms and database link using SQL.</p><p> Developed complex Oracle PL/SQL queries and stored procedures for data migration and integration.</p><p> Designed and developed database objects including tables, views, packages, functions, and triggers.</p><p> Built and maintained complex database queries, stored procedures and packages.</p><p> Developed data models to support new business requirements.</p><p> Data extracting in multiple table for the testing purpose.</p><p> Data validation between source and target environment.</p>

PROJECTS

Core banking System

BSF
Duration : 01-Mar-2023 - 08-Sep-2026

<p> Created Oracle database objects tables, views, synonyms, materialized views, stored procedures, and packages —</p><p>using PL/SQL Developer to support a core banking data migration program.</p><p>• Developed and implemented Oracle stored procedures, triggers, functions, and packages across multiple</p><p>databases.</p><p>• Performed SQL and PL/SQL performance tuning using indexes, execution plans, BULK COLLECT, FORALL, collections,</p><p>partitioning, and optimized SQL queries</p><p>• Used SQL Developer, PL/SQL Developer, and TOAD to design, build, and troubleshoot data solutions.</p><p>• Worked on end-to-end integration of banking transactions from Core Banking system to Oracle FAH.</p><p>• Designed and developed staging and interface processes of extracting, validating, transforming, enriching, and</p><p>loading core banking transaction data into FAH</p><p>• Built indexes on high-volume tables to eliminate full table scans and created views to abstract underlying tables</p><p>and reduce query complexity.</p><p>• Wrote business-rule-driven scripts for data matching and data cleansing across source systems.</p><p>• Analysed and validated customer data to meet Workday integration requirements.</p><p>• Assessed business information needs and mapped them to existing and new systems as part of the migration</p><p>solution.</p><p>• Built intermediate database extract and transformation scripts to support downstream processing.• Managed data sourcing, cleansing, and reconciliation efforts in coordination with cross-functional workstream</p><p>teams.</p><p>• Supported production implementation and go-live activities, including issue triage and resolution.</p><p></p>

Skills

Oracle SQL PL/SQL Snowflake Snow pipe Streams Tasks Time Travel Zero-Copy Cloning AWS S3 Microsoft Azure Blob Storage GCP BigQuery Oracle Query Optimization Explain Plan Indexing Clustering Materialized Views GitHub CI/CD Data Warehousing Data Migration Data Quality Data Cleansing Oracle Golden Gate AWS S3 Microsoft Azure Blob Storage GCP BigQuery Stored Procedures UDFs SQL scripts Triggers Functions Packages Database Design Data Modeling Data Validation Data Reconciliation Secure Data Sharing Google Cloud Storage Tables Views Synonyms Indexes Sequences Database Links OGG Replication SQL Developer PL/SQL Developer DBT Fivetran TOAD BULK COLLECT FORALL Collections Partitioning
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