Senior ETL Developer

BlitzenX is hiring a

Senior ETL Developer

to lead enterprise-grade data integration initiatives across complex, high-throughput environments. This is not a maintenance role we're looking for a

builder

, a

problem-solver

, and a

technical authority

who can design, optimize, and deliver production-ready ETL solutions in real time.

Key Responsibilities

Design, build, and deploy scalable ETL pipelines across cloud and on-prem environments.Integrate structured and semi-structured data from diverse sources into centralized data platforms.Tune performance of large-scale data workflows for speed, resilience, and cost-efficiency.Collaborate with cross-functional teams to translate business rules into ETL logic.Enforce best practices in data engineering, governance, and quality assurance.Perform production support, defect triage, and root cause analysis with urgency and ownership.Maintain clear, concise technical documentation and mapping specifications.

Must-Have Skills

6+ years of hands-on ETL development using tools such as

Informatica, Talend, SSIS

, or equivalent.Expert-level SQL development and performance optimization.Strong background in RDBMS (Oracle, SQL Server, PostgreSQL) and cloud data platforms (Snowflake, Redshift, BigQuery).Solid understanding of dimensional modeling and data warehousing best practices.Proficiency in scripting (Python, Shell) for automation and orchestration.Familiarity with workflow schedulers like Airflow, Control-M, or Autosys.Experience working within Git-based source control and CI/CD pipelines.Agile delivery mindset and strong communication/documentation skills.

Nice-to-Have

• Experience with modern cloud ecosystems (AWS, GCP, Azure)
• Exposure to data quality, metadata, or lineage tools.
• Familiarity with Docker/Kubernetes in a DataOps environment.