Senior Database Developer

7 days ago

Greater Chennai Area, India Papigen Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Role Overview
We are seeking an experienced
Senior Database Developer
with strong expertise in
SQL, PL/SQL, PostgreSQL, Data Modeling, ETL development, and Performance Tuning
. The ideal candidate will design, develop, optimize, and maintain scalable database solutions that support enterprise-grade applications and analytical workloads. The role involves close collaboration with data engineers, application developers, and business teams to ensure data accuracy, performance, and reliability.

Responsibilities
Database Development

  • Design, develop, and maintain complex SQL, PL/SQL, and PostgreSQL database objects (tables, views, functions, triggers, procedures).
  • Build and optimize ETL pipelines to process large volumes of structured and semi-structured data.
  • Develop reusable database components and automation scripts.

Data Modeling

  • Design logical and physical data models, schemas, and data flow structures.
  • Ensure data architecture aligns with business requirements and system performance needs.
  • Maintain data dictionaries and metadata documentation.

Integration & ETL

  • Implement and optimize ETL/ELT processes using industry best practices.
  • Integrate data from multiple sources, including APIs, cloud systems, and legacy databases.
  • Ensure data quality, consistency, and compliance during ingestion and transformation.

Performance Optimization

  • Conduct database tuning, query optimization, and indexing strategies.
  • Analyze slow-running queries and resolve performance bottlenecks.
  • Ensure high availability, scalability, and reliability of database environments.

Collaboration & Support

  • Work with application development teams to support backend database needs.
  • Collaborate with data engineering and BI teams for reporting and analytics requirements.
  • Perform troubleshooting, root cause analysis, and provide production support when required.

Required Skills & Experience

  • 6+ years of professional experience as a Database Developer.

  • Strong hands-on expertise in:

  • SQL and Advanced PL/SQL

  • PostgreSQL development
  • Data Modeling (Entity-Relationship diagrams, normalization, schema design)
  • ETL/ELT pipelines and data integration

  • Performance tuning (query optimization, indexing, execution plans)

  • Experience handling large datasets and high-performance transactional systems.

  • Strong knowledge of RDBMS concepts, stored procedures, functions, triggers, and packages.
  • Familiarity with data warehousing principles and best practices.
  • Exposure to cloud data platforms (Azure, AWS, GCP) is an added advantage.
  • Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

  • Bachelor's or Master's degree in Computer Science, Information Technology, or related field.
  • Certifications in PostgreSQL, Oracle, SQL, or related database technologies.
  • Experience working in Agile/Scrum environments.

Skills: pl/sql,rdbms,sql,postregresql,data modelling,oracle,performance tuning,elt/etl

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