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We are currently seeking a Offshore ETL Sr Engineer to join our team in Bangalore, Karntaka (IN-KA), India (IN).

Senior Data Engineer

Role Overview

The Senior Data Engineer serves as a hands-on technical contributor and delivery anchor, responsible for implementing complex Python-based extract/load pipelines and advanced dbt transformation models. This role handles higher-complexity workflows, supports technical decision-making, and mentors Data Engineers while ensuring alignment with dbt standards and migration patterns defined by the Technical Leads and SMEs.

Key Responsibilities

. Develop and maintain complex Python EL pipelines to land source data as-is into the target warehouse.

. Implement advanced dbt models, including:

o Incremental models

o Snapshot-based logic (non-CDC)

o Complex joins and aggregations

. Translate high-complexity Informatica mappings into dbt SQL under guidance from SMEs.

. Design and implement reusable dbt macros and common SQL patterns.

. Perform peer code reviews and provide technical guidance to Data Engineers.

. Troubleshoot performance issues and data discrepancies during SIT and UAT.

. Support wave-based migration execution across SWP and IMS in parallel.

. Contribute to technical documentation, runbooks, and handover materials.

Required Skills & Experience

. 7-10 years of data engineering experience

. Strong Python expertise for batch data ingestion and processing

. Advanced SQL skills (complex joins, window functions, aggregations)

. Hands-on experience with dbt Core or dbt Cloud

. Experience working with large-scale data migration or ETL modernization programs

. Familiarity with Informatica PowerCenter concepts (preferred)

. Experience mentoring junior engineers in offshore delivery models

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client's needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .

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