Database Developer

3 days ago

Hyderabad, Telangana, India Prophecy Technologies Full time ₹ 15,00,000 - ₹ 25,00,000 per year

Experience : 5 to 8 years

We are looking for an experienced PostgreSQL Developer with deep expertise in SQL development, schema design, query optimization, stored procedures, and application integration. The ideal candidate will have a strong background in building scalable database solutions, writing complex queries, and collaborating with backend/frontend teams to ensure efficient and reliable data access. This role is focused on development and engineering within PostgreSQL.

Roles and Responsibilities

· Database Design & Development

o Design normalized and denormalized database schemas for high-performance applications.

o Develop complex SQL queries, functions, views, triggers, and stored procedures to support application needs.

· Performance Optimization

o Write highly efficient queries, ensuring performance and scalability.

o Conduct query tuning and indexing strategies to reduce latency.

o Optimize data retrieval processes for real-time and batch processing workloads.

· Application Development Integration

o Collaborate with backend developers to build seamless integrations with PostgreSQL.

o Support APIs and microservices by designing effective database interaction layers.

o Work on ETL pipelines and data transformation tasks.

· Testing & Quality Assurance

o Write unit tests for queries and procedures using tools like pgTAP.

o Ensure data consistency and accuracy across environments.

o Perform code reviews for SQL scripts and database logic.

· Collaboration & Delivery

o Partner with product teams to translate business requirements into efficient database solutions.

o Document database designs, queries, and logic for maintainability.

o Provide technical guidance to junior developers and peers on best practices in SQL coding.

Primary Skills:

· Strong expertise in PostgreSQL development (schemas, functions, triggers, views, stored procedures).

· Advanced skills in SQL query writing and optimization.

· Hands-on experience with query execution plans and indexing strategies.

· Experience in data modeling, relational design, and query performance tuning.

· Strong knowledge of transactions, concurrency control, and isolation levels.

· Exposure to application development with PostgreSQL (integration with Java, Python, or other languages).

· Exposure to cloud-hosted PostgreSQL services (AWS RDS/Aurora, GCP Cloud SQL/Spanner).

· Extensive experience in database performance improvement.

· Experience in Migration from Legacy DB to Postgres DB

· Hands-on experience with shell scripting

· knowledge on Elastics Search

Secondary Skills:

· Working knowledge of unit testing frameworks for SQL logic (pgTAP, DbUnit).

· Experience with PostgreSQL extensions (PostGIS, pg_stat_statements, pg_trgm, TimescaleDB)

· Experience with database backup, recovery, and high availability solutions

· Proficiency in database security best practices and access control

· Knowledge of ETL tools (Apache Airflow, Talend, dbt) and data pipelines.

· Familiarity with message brokers like Kafka/ActiveMQ for streaming integration.

· Good understanding of CI/CD pipelines for database code deployment.

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