✅ ♛ TOP-RATED
With 20+ years of experience in SQL and Database Engineering, I specialize in database programming, performance optimization, data migration, and automation. Having led digital transformation projects across BFSI, Healthcare, and SaaS domains, I bring deep technical precision and a results-driven approach. I ensure database ecosystems are secure, scalable, and high-performing, with a focus on tuning, modernization, and seamless data flow.
Beyond databases, my expertise extends to cloud migration (Azure, AWS, GCP), DevOps/DevSecOps, web and mobile application development, UI/UX design, and end-to-end technology consulting. Backed by my team at Kinitous LLP, I deliver full-stack, cloud-native solutions that drive innovation, operational efficiency, and sustainable growth.
💾 Database & SQL Expertise
• Expert in MS SQL Server, PostgreSQL, MySQL, SQLite, SQL Azure, MongoDB, No-SQL, etc...
• T-SQL Programming – Stored Procedures, Functions, Views, and Complex Queries
• Query Optimization & Performance Tuning
• ETL / SSIS / Data Migration (On-Prem & Cloud)
• Database Architecture, Maintenance Plans, Backup & Recovery
• High Availability Solutions – Log Shipping, Replication, Clustering
• Power BI, Crystal Reports, Data Analytics & Automation (VBA, Excel, C#)
☁️ Cloud & DevOps
• End-to-End Cloud Migration (Azure, AWS, GCP) – Zero data loss transitions
• Application Modernization – Rehost, Re-platform, or Rebuild existing apps
• Infrastructure & Data Center Modernization
• DevOps / DevSecOps for Continuous Delivery and Security Integration
🏦 Domain Expertise
• Banking & Capital Markets – Reference Data Management, Trading & Asset Mgmt Apps
• Healthcare – EMR Optimization, Centralized Database Migrations
• Wellbeing Platforms – AI-driven Engagement, Analytics, and Automation
⚙️ Automation & Data Mining
• SmartSheets ↔ SQL Integration
• XML/JSON ↔ SQL Data Pipelines
• Web Scraping & Fuzzy Matching
• Excel/VBA Automation for Data Cleansing & Reporting
• Data Mining & Preparation – Extracting, deduping, and cleaning large datasets for analytics and migration
SQL
Database Programming
ETL
Microsoft SQL Server Programming
Lead Generation
Database Architecture
Data Cleaning
Query Tuning
MySQL
PostgreSQL
Microsoft Excel
iOS
Android App
Web Development
Full-Stack Development
Debasis K.
Kolkata, India
$15/hr
4.6
18 jobs
Hello,
Myself, Debasis from Kolkata, have 9 years of experience in Oracle APEX (ver 4.2 - 24.2) mainly, have experience in SQL, PL/SQL, Frontend part (JavaScript, jQuery, CSS, HTML). I have worked on a few 3rd party API Integrations with Oracle APEX applications and worked on AOP, BI Publisher also. I have some knowledge in Oracle Fusion Cloud API Integration in Oracle APEX.
Thanks,
Debasis Kundu
jQuery
API Integration
CSS
HTML5
JavaScript
RESTful API
User Interface Design
Oracle APEX
Oracle PLSQL
Oracle Integration Cloud Service
Web Service
Oracle Cloud
Oracle Fusion Applications
Oracle Database Administration
RAJ B.
Pune, India
$25/hr
4.8
55 jobs
Hello,
I consider myself an expert in Oracle Database world and Open for new opportunities!
I'm passionate about solution in Oracle Database design + APEX+ OCI + ORDS + OAC Expert Developer.
Working with more than 13+ years' experience in Oracle technology stack. With proven experience of expert in database and OCI practice.
⭐| Technical Area Expertise:
--------------------------------------------
✔️Expert Oracle SQL/PLSQL Developer
✔️Expert Oracle APEX Developer
✔️Oracle Cloud Infrastructure (OCI)
✔️Oracle ORDS services REST develop
✔️Oracle VBCS and Form & Report
✔️Oracle OAC OBIEE Publisher Reports
✔️Oracle WebLogic support and Maintains
✔️AI&ML services projects
✔Data Integration ETL tools
⭐| Database- Technical Expertise:
• Strong knowledge of Oracle Database versions 23ai/19c/12c/11g
• Hands on Data Modelling and Database Design
• Expert knowledge of Performance Optimizations Query Tuning
• Expert of advance SQL quires & PL/SQL Programming
• Hands on collections and records advance level exception handling
• Database DBA Administration for standalone and OCI hosted database
• Database connection issue with other languages TNS troubleshooting
• Debugging of issue and SQL developer data import and export
• Oracle WALLET manager , ACL and Network security issues
• Oracle Certificate installations for API outbound call from DB
• Send SMTP and HTTP send mail from database
• Oracle REST Data Services (Configurations, REST APIs development)
• Webservices Types REST, SOAP XML & JSON Data Processing
• Data integrations and ETL tools (data extractions transform)
⭐| APEX - Technical Expertise:
• Oracle Apex 24.1, 23, 22.x,20.x,19.x,18.x,5.x
• SQL& PL/SQL Programming expert (Advanced Level)
• Expert in writing Oracle Function, Procedure, Package ,Triggers, cursors and sequences.
• Oracle Forms and reports to APEX modernization
• Implemented projects on Oracle cloud AI Services (Generative AI, Language, Vision, Document, speech) with APEX projects
• Oracle REST Data Services (ORDS) APIs development and ORDS Configurations
• Integrations with APEX- Oracle Services, Microsoft, Google, Amazon, Digital Ocean, Login.com, Tableau, PayPal.
• Webservices Types REST, SOAP XML & JSON Data Processing in APEX.
• Automations With APEX services like Files processing, mails notification, Reports and Custom JOBS.
⭐| OCI - Technical Expertise
• Setting up and managing OCI networking (VCN, subnets, gateways, VPNs, etc.)
• Configuring OCI Web Application Firewall (WAF) to protect applications
• Email Delivery setup with (DKIM setting)
• Data-integrations, data-loading, OAC report setups
• WebLogic, NGINX, and load balancer setups OCI
• Supporting migration of workloads (VMs, databases) to OCI
• Configure DNS and manage domain mapping to the new OCI resources.
• Managing Identity and Access Management (IAM): domains, policies, dynamic groups, compartments
• Setting up IAM policies, compartments, and security controls (Cloud Guard, Vault)
• Working with Linux-based environments (Oracle Linux, RHEL) for system configuration, performance tuning, and troubleshooting
• Monitoring, performance tuning, and cost optimization
• Installation of Oracle database, APEX, OBI, ORDS, WebLogic infra.
⭐| OAC/OBIEE - Technical Expertise
• OAC report dashboard design
• Working on BIP report development
• BIP report bursting and exporting
• Email delivery of monthly reports using Bursting
• Crystal AOP, Jasper, PLPDF, Tableau Reports.
I have been working with clients across the globe.
𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞
I guarantee to solve your technical problems 100% in timely manner!
Thanks for reading my profile and I am confident that we can make your project successfully together.
Oracle E-Business Suite
Oracle WebLogic Server
Oracle Forms
Database Design
Oracle APEX
Database Programming
Query Tuning
Oracle Analytics Cloud
Oracle Cloud
Oracle PLSQL
Oracle Business Intelligence
SQL
Oracle Database Administration
Oracle Data Integrator
Data Lake
Oracle Integration Cloud Service
Rizwana B.
Pune, India
$30/hr
5.0
50 jobs
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
Database Administration
Linux
Amazon RDS
Oracle RAC
Oracle Upgrade
Oracle Data Guard
Oracle Database Administration
Cloud Migration
Performance Optimization
Preetansh Singh T.
Pune, India
$45/hr
5.0
12 jobs
Technical Lead with 14+ years of experience in Oracle Consulting, Implementation and Support. Best known for smooth delivery of Complex to Very Complex, custom-built solutions to tailor business requirements of clients spanning across Mfg., Banking & Insurance, Telecom, Real Estate & Healthcare industries with small to medium-sized teams. Have spearheaded 8 Successful implementation cycles for multiple Fortune 500 clients in a client-facing role across Enterprise Applications space.
Oracle Programming
Microsoft Access
Oracle Fusion Applications
Oracle E-Business Suite
Technical Project Management
Tech & IT
SQL Programming
Microsoft Excel
Microsoft Word
Microsoft PowerPoint
Microsoft Teams
MySQL Programming
Anilkumar Patel D.
Ahmedabad, India
$20/hr
5.0
58 jobs
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.
MySQL
Database Design
PostgreSQL Programming
MySQL Programming
Microsoft SQL SSAS
Microsoft SQL Server Programming
Microsoft SQL Server Administration
SQL Server Integration Services
Database Management
Microsoft SQL Server Reporting Services
Microsoft Power BI Data Visualization
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