– Data Engineer

Experience: 5–7 Years

Role: Sr. Data Engineer

Department: Data Engineering / Product Engineering

Role Overview

We are looking for an experienced Data Engineer with 5–7 years of hands-on experience in ETL/ELT, database engineering, Big Data processing, and complex bi-directional data integrations. The candidate should have strong SQL and database expertise, experience working with large datasets, and the ability to design, develop, optimize, and support reliable data pipelines in production environments.

Key Responsibilities

- Design, develop, and maintain scalable ETL/ELT pipelines for batch and near-real-time data processing.
- Build data integrations using REST APIs, SFTP, files, webhooks, and database-to-database interfaces.
- Develop and support bi-directional data integrations between applications, databases, and external enterprise systems.
- Implement data synchronization, incremental processing, reconciliation, error handling, retries, and duplicate/missing-data prevention.
- Develop complex SQL queries, stored procedures, functions, views, and data transformations.
- Work extensively with PostgreSQL and SQL Server; exposure to MongoDB is preferred.
- Perform database and query performance tuning, including execution-plan analysis, indexing, joins, partitioning, locking/blocking, and long-running query optimization.
- Work with large datasets and distributed processing frameworks; optimize data processing for scalability and performance.
- Implement data validation, quality checks, logging, auditing, and monitoring for critical pipelines.
- Troubleshoot production ETL, database, integration, and data-quality issues and perform root-cause analysis.
- Collaborate with application, product,



DBA, DevOps, and client teams to resolve end-to-end data issues.

Required Technical Skills

Must Have:

- 5–7 years of Data Engineering / ETL experience
- Strong SQL and Python skills
- Strong hands-on experience with PostgreSQL and SQL Server
- Good understanding of ETL/ELT and data pipeline architecture
- Experience with complex data integrations and data synchronization
- Experience with REST APIs, SFTP, file-based and database integrations
- Strong understanding of database performance tuning and optimization
- Experience handling large-volume datasets
- Good understanding of data modeling, data quality, validation, and reconciliation
- Strong troubleshooting and problem-solving skills

Good to Have:

- Apache Spark / PySpark
- Apache Airflow
- Talend / SSIS / other ETL tools
- MongoDB
- Azure / AWS / GCP
- Azure Databricks / Delta Lake / Data Lake
- Kafka or other streaming technologies
- CDC / incremental data processing
- Git, Azure DevOps/GitHub and CI/CD

Preferred Candidate Profile The ideal candidate should be comfortable working across the complete data lifecycle: Candidates who have experience working with multiple databases, high-volume data, complex bi-directional integrations, and performance-critical production workloads will be preferred.

Key Competencies

- Robust analytical and problem-solving ability
- Good understanding of data architecture and integration patterns
- Ability to independently troubleshoot complex data issues
- Ownership of deliverables and production issues
- Good communication and cross-functional collaboration skills

Education: Bachelor's/Master's degree in Computer Science, IT, Engineering, or related technical discipline.

📌 Sr Data Engineer (Noida)
🏢 Smart Energy Water
📍 Noida