> Markdown version of [/jobs/ext/4102973-database-engineer](https://www.wearedevelopers.com/jobs/ext/4102973-database-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Database Engineer

- **Company:** Iquasar, LLC.
- **Location:** Reston, VA, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Airflow, Amazon Web Services, Amazon S3, Applications Architecture, Bash Shell, Cloud Database, Databases, Information Engineering, Data Integrity, Extract Transform Load (ETL), Data Loss, Database Queries, Python (Programming Language), PostgreSQL, Performance Tuning, SQL Databases, Management of Software Versions, Workflow Management Systems, Data Processing, Scripting, Cloud Platform System, Database Optimization, Apache Spark, Database Performance, Backend, Database Migration, Information Technology, AWS Glue, Apache Kafka, Data Pipelines
- **Published:** October 1, 2026
- **Apply:** https://www.juju.com/job/16_a2cf86e02

## About the Role

* Familiarity with data pipeline concepts and technologies such as Kafka Connect, and ETL frameworks.
 * Strong understanding of Amazon Glue, Redshift and S3.
 * Exposure to Apache Spark for data processing.
 * Basic understanding of Apache Airflow for workflow orchestration.
 * Strong SQL scripting skills for querying and data manipulation.
 * Strong experience with scripting languages (e.g., Python, Bash).
 * Having 'AWS Certified Database - Specialty' certification is a plus., * Bachelor's degree in computer science, Information Technology, or a related field.
 * 5-8 years of experience in data Engineering, with a focus on AWS Glue, Python and PostgreSQL.
 * 2-4 years of hands-on experience with PostgreSQL RDS

## Description

* Database engineers will develop applications and data pipelines using PostgreSQL, Python and AWS.
 * Design, develop, and maintain PostgreSQL database architecture for enterprise backend applications.
 * Lead schema design, database migrations, versioning, and ensure backward compatibility.
 * Optimize SQL queries, indexing strategies, execution plans, and overall database performance.
 * Assist in identifying performance bottlenecks in PostgreSQL RDS. Apply basic performance tuning techniques like reviewing query execution plans, adding missing indexes, and recommending parameter adjustments.
 * Monitor ETL workflows and data pipelines for errors, performance bottlenecks, and processing delays. Troubleshoot and resolve issues to ensure reliable and timely data movement.
 * Provide support for data related issues and participate in root cause analysis.
 * Configure and manage database backup and recovery strategies to ensure data integrity and availability in case of failures or data loss.
 * Analyze database query performance and collaborate with developers to optimize SQL queries and schemas.
 * Participate in continuous improvement initiatives to enhance the reliability, scalability, and performance of cloud databases.
 * Assist in the design and optimization of database schemas for cloud environments.