Senior SQL Developer – Performance Tuning & Data Modeling

Tata Consultancy Services Limited; Mount Laurel Township (NJ); On-site; USD 100,000 - 120,000; Full time

Job summary

Tata Consultancy Services Limited is seeking a SQL Developer to design and optimize SQL queries across SQL Server, Oracle, and PostgreSQL in Mount Laurel, NJ. You will implement data models, ETL processes, and performance tuning in an Agile environment.

Responsibilities include translating business requirements into scalable database solutions, supporting data validation, and collaborating with cross-functional teams to deliver reliable data services.

Qualifications

• Strong SQL proficiency across SQL Server, Oracle, and PostgreSQL.
• Experience designing and supporting data models and ETL processes.
• Ability to optimize complex queries and tune performance.

Responsibilities

• Design, develop, and maintain complex SQL queries, stored procedures, functions, and database objects.
• Translate business requirements into efficient and scalable database solutions.
• Optimize query performance and troubleshoot database-related issues.
• Support ETL, data integration, and data validation activities.
• Ensure data accuracy, integrity, and reliability through testing and quality checks.
• Collaborate with development and business teams to deliver high-quality solutions.
• Provide timely updates on technical tasks, risks, and issue resolution.

Skills

SQL Server

Oracle

PostgreSQL

Advanced SQL

Performance Tuning

Data Modeling

ETL

Agile

Azure DB

Cosmos DB

Shell scripting

JSON queries

Data structures

Splunk

Job description

Tata Consultancy Services Limited is seeking a SQL Developer to design and optimize SQL queries across SQL Server, Oracle, and PostgreSQL in Mount Laurel, NJ. You will implement data models, ETL processes, and performance tuning in an Agile environment.

Responsibilities include translating business requirements into scalable database solutions, supporting data validation, and collaborating with cross-functional teams to deliver reliable data services.