Hire the best Oracle PL/SQL Freelancers in Kyiv, UA
Check out Oracle PL/SQL Freelancers in Kyiv, UA with the skills you need for your next job.
- $55 hourly
- 4.5/5
- (15 jobs)
Expert Oracle & MySQL Database Developer | Query Optimization & API Integrations With 24+ years of experience in database development, I specialize in Oracle (PL/SQL), MySQL, and SQL query optimization to improve performance, scalability, and efficiency. I have helped businesses reduce query execution times by 80%, migrate databases seamlessly, and integrate complex APIs for high-volume data processing. 🔹 Key Expertise: ✅ Oracle PL/SQL, MySQL, SQL Performance Tuning ✅ Database Design, Optimization, and Refactoring ✅ ETL, Data Migration, API & Automation Integrations ✅ Custom Reports & Dashboards (Looker Studio, BI Tools) ✅ Enterprise-level Systems for Finance, eCommerce, and SaaS My clients have described my work as "fast and precise," "expert-level tuning," and "seamless data integration." I am available for both short-term consulting and long-term database development projects. Let’s optimize your database performance today!
Oracle PL/SQL
ETLAPI IntegrationHTMLGitHubXMLLooker StudioDatabaseJavaOracle PLSQLDatabase OptimizationSQLOracle DatabaseMySQLQuery TuningDatabase Design - $19 hourly
- 5.0/5
- (1 job)
Over 10 year experience of AIM and OUM methodologies * SQL, PL\SQL, Oracle Developer 2000i (Oracle Forms, Oracle Reports), XML Publisher (PDF, XSL, DOC reports using XML-XSL techniques, Oracle BI Publisher Desktop), VBA (Excel, Word), DataLoad, T.O.A.D., Delphi, FoxPro * Oracle e-Business Suite architecture * Business processes engineering and optimization * Team management (up to 20 employees) * Designing of OeBS extensions - custom development and personalization * Oracle e-Business customization - custom forms, complex reports, concurrent programs and sets, personalizations * Oracle Siebel CRM implementation (eScript, workflow, integration) * VBA programming (Excel, Word) - integrating with different datasources, BI reporting (pivot tables), MS Forms for user interface, loading and transformating data
Oracle PL/SQL
Visual Basic for ApplicationsOracle E-Business SuiteOracle FormsOracle PLSQLOracle SiebelOracle Programming - $27 hourly
- 5.0/5
- (7 jobs)
Education 2005-2008; department of Software Engineering, Luhansk state IT academy “Step” 2010-2015; department of Software Engineering, Kharkiv National University of Radioelectronics, Bachelor’s degree in Software Engineering 2015-2017 department of Software Engineering, Kharkiv National University of Radioelectronics, Master’s Degree in Software Engineering Technical Skills PHP, MySql, html/css, twig, smarty (8 years), Zend Framework 2, Actionscript 3.0/MXML, Oracle database (3 years), google services integration (2 years), Adobe Media Server applications, Java servlet (6 months). Full stack web development PHP+JS+MySql, NodeJS+Express+Mysql+Vue (2+ years). Total experience 8 years web application development.
Oracle PL/SQL
ActionScriptMySQL ProgrammingPHPCSSNode.jsjQueryHTMLJavaScriptOracle PLSQL - $25 hourly
- 4.0/5
- (2 jobs)
🔥 𝟏𝟎 + 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐢𝐧 𝐚𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐃𝐚𝐭𝐚 𝐛𝐚𝐬𝐞𝐝 𝐨𝐧 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐚𝐧𝐝 𝐒𝐐𝐋. I have experience over 10 years in working with data. During my career I participated database development, working with data warehouse, data analytics, report development, implementation of CRM and SaaS solutions. I have analytical mind, personality and aptitude for working with data, ability to drill into details and identify problems. I can work independently and as a member of a team. 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡: 📊 BI / Reporting and Analytics - Proficient in Power BI development, including interactive report and dashboard creation - Strong understanding of data modeling and data visualization principles - Skilled in data collection and integration from various sources (databases, APIs, files, online services) - Experienced with Power Query (M language) for data transformation - Proficient in DAX (Data Analysis Expressions) for creating custom metrics and calculations - In-depth knowledge of database management systems, OLAP concepts, and the ETL (Extract, Transform, Load) process - Excellent attention to detail and strong problem-solving abilities - Certified in Power BI - Experienced in developing, optimizing, and maintaining reports using SQL Server Reporting Services (SSRS) 🛠️ SQL Development and Data Management - Proficient in Microsoft SQL Server and Oracle PL/SQL - Skilled in writing efficient SQL queries and handling large datasets - Experienced in developing, optimizing, and maintaining stored procedures, functions, jobs, triggers, and packages - Strong background in database modeling, including the design of tables, indexes, and views - Expertise in database performance tuning and query optimization - Hands-on experience with PostgreSQL, MySQL, and Vertica databases - Proficient in data cleaning, transformation, and migration from various sources 🏗️ Data Warehousing (DWH) and ETL Development - Experienced in building robust ETL pipelines for analytics and internal operations - Skilled in designing, developing, and implementing Data Warehouse solutions using SSIS - Strong background in data modeling, including Third Normal Form and dimensional modeling techniques - Proficient in designing and implementing OLAP cube solutions using SSAS - Hands-on experience with both Python and SQL for data transformation and automation ⚙️ System Implementation and Platform Support - Experienced in installing and customizing CRM and SaaS platforms - Proficient in working with both Linux (Red Hat Enterprise Linux) and Microsoft Windows Server environments - Skilled in deploying, updating, and supporting CRM systems and websites on Linux using Nginx, RabbitMQ, and Docker - Experienced in managing CRM systems and websites on Windows Server using IIS, Active Directory (AD), and Redis - Proficient in modeling business processes using BPMN (Business Process Model and Notation) ✅ 𝐒𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥 𝐂𝐚𝐬𝐞 𝐒𝐭𝐮𝐝𝐢𝐞𝐬: 𝐏𝐫𝐨𝐣𝐞𝐜𝐭: BI Platform Implementation (Health Domain) 𝐑𝐨𝐥𝐞: BI Developer\Implementator 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐨𝐛𝐣𝐞𝐜𝐭𝐢𝐯𝐞𝐬: The project's goal was to implement an Analytics Platform for the client and process his data for analyst reporting. Extensive data processing, development of Data Warehouse and OLAP Cubes for Analytical SaaS Platform, creating data visualization and reporting for clients. As a result, we implement an Analytics Platform that processes data and visualize it with charts and reports. 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐬𝐭𝐚𝐜𝐤: Microsoft SQL Server, Vertica DB, Power BI, Microsoft SSIS, Microsoft SSAS, Multidimensional Expressions (MDX). 𝐏𝐫𝐨𝐣𝐞𝐜𝐭: CRM Development (Health Insurance Domain) 𝐑𝐨𝐥𝐞: Data Engineer 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐨𝐛𝐣𝐞𝐜𝐭𝐢𝐯𝐞𝐬: The goal of the project is to develop a CRM database. There were tasks for data migration, modeling, building, and supporting the CRM database. Take part in the implementation and administration of CRM. SQL query optimization and troubleshooting, creating reports and visualization data. As a result, a database was created and implemented CRM with analysts and reporting. 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐬𝐭𝐚𝐜𝐤: Microsoft SQL Server, Power BI, Microsoft SSIS, Microsoft SSAS, Multidimensional Expressions (MDX), Python. 🔥 Free Consultation: I offer a complimentary initial consultation to discuss your needs and demonstrate my expertise in Microsoft Power BI. Feel free to send me a message for a free consultation!
Oracle PL/SQL
PythonMicrosoft Power BI DevelopmentMicrosoft Power BI Data VisualizationMicrosoft SQL SSASSQL Server Reporting ServicesTransact-SQLMicrosoft Power BIData ModelingOracle PLSQLData Warehousing & ETL SoftwareMicrosoft Dynamics CRMBusiness IntelligenceSQL ProgrammingData EngineeringSQL Want to browse more freelancers?
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