Junior Database Engineer — Data Modeling & SQL Optimization

Tata Consultancy Services; Brussel Hoofdstad; Sur place; EUR 42 000 - 65 000; Plein temps

Résumé du poste

Tata Consultancy Services (TCS) Belgium is seeking a junior database specialist to develop and maintain data models, schemas, and SQL components. You will ensure data integrity, performance, and security across relational and non-relational databases, with opportunities to work in a multi-cultural environment.

Responsibilities include writing optimized DDL, procedures, and queries, plus prototyping solutions and supporting deployment. A focus on testing and documentation completes the role.

Qualifications

• Junior level with database development experience.
• Knowledge of relational DBMS (PostgreSQL, Oracle) required.
• Proficiency in SQL and procedural SQL extensions (PL/SQL/PLpgSQL).
• Familiarity with data modeling concepts (conceptual, logical, physical).
• Experience with Agile practices in database delivery.

Responsabilités

• Develop and maintain data models (conceptual, logical, physical).
• Design scalable database schemas, tables, views, indexes, and relationships.
• Write and optimize DDL scripts for multiple DBMS.
• Develop, maintain and integrate database components.
• Translate requirements into efficient database structures, stored procedures, and functions.
• Prototype database solutions for stakeholder validation before production.
• Develop and execute comprehensive test plans for database components.
• Write and maintain technical documentation.
• Assist with deployment and configuration of the system.
• Troubleshoot performance issues, optimize queries, and implement indexing strategies.
• Write and optimize complex SQL queries, stored procedures, functions, and triggers.
• Enforce database security policies and encryption.
• Design data migration, backup, and recovery strategies.

Connaissances

Data modeling

SQL

Database design

Performance tuning

Security & compliance

Backup & recovery

Agile in database delivery

Unit testing

PL/SQL/PLpgSQL

Outils

Oracle SQL Developer Data Modeler

Hackolade

NoSQL Workbench

Oracle SQL Developer

DBeaver

pgAdmin

SQL Workbench/J

Description du poste

Tata Consultancy Services (TCS) Belgium is seeking a junior database specialist to develop and maintain data models, schemas, and SQL components. You will ensure data integrity, performance, and security across relational and non-relational databases, with opportunities to work in a multi-cultural environment.

Responsibilities include writing optimized DDL, procedures, and queries, plus prototyping solutions and supporting deployment. A focus on testing and documentation completes the role.