Bachelor's Degree in Information Technology
I am an experienced software developer with over 10 years in the field, specializing in C#.NET alongside expertise in MySQL and Microsoft SQL Server. My background also includes several years working as Data Engineer, providing me with a robust understanding of both software development and data management. This blend of skills allows me to offer unique insights into system design, data integration, and business process optimization.
SQL
MySQL
Microsoft SQL Server
Query Optimization
SQL Programming
Transact-SQL
Database Management
Query Tuning
Database Design
.NET Core
C#
Web API
Senthil P N.
Chennai, India
$80/hr
4.7
330 jobs
✅ ♛ 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
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
Balwant S.
Hugli, India
$75/hr
5.0
32 jobs
✅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.
Microsoft Power BI
SQL
Databricks Platform
Data Science
SQL Server Integration Services
Microsoft SQL Server Programming
SQL Programming
Microsoft SQL Server Administration
Microsoft Access
PostgreSQL
Microsoft Azure SQL Database
dbt
Amazon Redshift
Transact-SQL
Vinod Kumar S.
Jaipur, India
$22/hr
4.0
2 jobs
Senior .NET Backend Developer with 13+ years of experience fixing production issues, optimizing SQL databases, and integrating REST APIs.
I focus on identifying root causes quickly and delivering stable, maintainable solutions without unnecessary rewrites.
🔧 Expertise:
• Oracle & SQL Server Development
• Stored Procedure Optimization
• REST API Development & Debugging
• Backend Performance Optimization
• Production Issue Troubleshooting
• API Integration & Automation
• JSON & Data Processing
• Backend Stability Improvements
Recently completed a backend debugging and stability improvement project involving API troubleshooting, production issue resolution, and system optimization.
💡 What clients can expect:
• Fast issue identification
• Clean and production-ready solutions
• Clear communication and regular updates
• Reliable long-term support
• Practical fixes with minimal disruption
If you need help fixing backend issues, optimizing databases, improving APIs, or stabilizing an existing system, feel free to message me.
Let’s discuss your project.
ASP.NET
C#
Microsoft SQL Server
Oracle Database
Stored Procedure Development
REST API
API Development
Web API
Entity Framework
Database Design
Performance Optimization
Query Debugging
Software Debugging
JSON
Back-End Development
Vivek B.
Surat, India
$20/hr
4.7
93 jobs
SQL Specialist & SSRS | SSIS
🚀 Experienced SQL, Redshift,SSRS,Crystal Report, Power BI, ETL, SSIS developer.
Welcome to my profile! I am a seasoned SQL/SSRS developer with a passion for transforming raw data into meaningful insights. My expertise lies in crafting data solutions using Power BI, ETL , Microsoft Azure ,SSIS , SSRS/Crystal Report for comprehensive reporting, and SQL Server for efficient database management.
Key Skills:
SQL Server
Redshift
SSRS Reporting
Crystal Reporting
Power BI Dashboard Design
ETL Development (SSIS)
Why Choose Me?
With a solid background in SQL And Report Development and a keen eye for detail, I have successfully executed end-to-end data projects, driving improved efficiency and informed decision-making for clients. My commitment to staying updated with the latest industry trends ensures that the solutions I deliver are not only robust but also cutting-edge.
What I Offer:
SQL Server expertise for database optimization and management.
Development of comprehensive SSRS reports for data-driven decision support.
Design and implementation of ETL pipelines for seamless data flow.
Creation of dynamic and insightful Power BI dashboards.
Query Writing.
Store Procedure.
Data Cleaning.
Power BI Dashboards.
Let's Collaborate!
I am dedicated to delivering high-quality, client-centric solutions. Whether you're a startup looking to establish a data infrastructure or an enterprise seeking to enhance existing systems, I am here to help. Let's discuss your project requirements, and together, we can unlock the full potential of your data.
Ready to embark on a data-driven journey? Feel free to reach out, and let's make your data work for you!
SQL
Microsoft SQL Server Reporting Services
SQL Programming
SAP Crystal Reports
Microsoft Access
Microsoft SQL Server
SQL Server Reporting Services
Transact-SQL
Database Programming
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