Senior Database Developer

7 days ago

Kolkata, India Estalvis Advisors Pvt. Ltd. Full time

Job Title: Senior Database Developer (MySQL & MS SQL)

Experience:
6–7 years

Location: Kolkata

Employment Type:
Full-time

Job Summary

We are looking for an experienced
Senior Database Developer
with strong expertise in
MySQL
and
MS SQL Server
. The role involves database design, development, performance optimization, and administration in high-availability environments. The ideal candidate will have a solid foundation in SQL programming, database architecture, and data integration, along with the ability to collaborate with cross-functional teams.

Key Responsibilities

Database Design & Development

  • Design, develop, and implement scalable database schemas, tables, views, stored procedures, functions, and triggers.
  • Collaborate with application development teams to translate data requirements into efficient database designs.
  • Perform data modeling and create ER diagrams.

Performance Tuning & Optimization

  • Optimize complex SQL queries, stored procedures, and troubleshoot performance bottlenecks.
  • Implement indexing strategies and query optimization techniques.
  • Monitor database performance metrics and proactively resolve issues.

Database Administration & Maintenance

  • Manage backups, recovery, and disaster recovery plans for MySQL and MS SQL.
  • Ensure database security, access control, and data integrity.
  • Handle patching, upgrades, and migrations.
  • Troubleshoot and resolve database-related issues.

Data Integration & ETL

  • Develop and maintain ETL processes for system-to-system data integration.
  • Implement data warehousing solutions for reporting and analytics.

Mentorship & Collaboration

  • Provide technical guidance to junior developers.
  • Conduct code reviews and enforce best practices.
  • Collaborate effectively with cross-functional stakeholders.

Required Skills & Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or related field.
  • 6–7 years of proven experience as a Database Developer (MySQL & MS SQL).
  • Expert-level SQL programming (T-SQL, PL/SQL).
  • Strong knowledge of database design, data modeling, and normalization.
  • Experience with performance tuning and large-scale database optimization.
  • Proficiency in administration tasks (backup, recovery, security, replication).
  • Hands-on experience with ETL tools and data integration.
  • Familiarity with version control (e.g., Git).
  • Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

  • Experience with cloud database services (AWS RDS, Azure SQL Database).
  • Knowledge of additional databases (PostgreSQL, Oracle).

Experience with scripting languages (Python, PowerShell) for automation.

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