Senior ETL Developer
Barclays · Pune · Posted 2026-07-18
Tech stack: Python, SQL, Scala, Unix
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About the role
To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.
Responsibilities:
- Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
- Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
- Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
- Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
- Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
- Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.
Qualifications:
- Strong expertise in ETL technologies, preferably Ab Initio. Ability to design, develop, and maintain complex Ab Initio ETL processes and data flows.
- Hands‑on expertise in ETL development (Ab Initio), data warehousing, Oracle, and Unix.
- Solid understanding of data warehouse concepts, including dimensional modeling, star/snowflake schemas, and enterprise‑scale ETL architecture. Proven experience in data pipeline optimization, performance tuning, and data quality management.
- Proficiency in shell scripting and programming languages such as Scala or Python.A strong focus on automation using Unix/Python scripting.
- Expertise in SQL, including advanced SQL capabilities.
- Broader knowledge of data warehousing practices.
- Familiarity with data transformation and data quality tools.
- Prior experience working within the banking or financial services domain.
- You may be assessed on key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job-specific technical skills.
- The role is based out of Pune.
Qualifications
- Strong expertise in ETL technologies, preferably Ab Initio.
- Ability to design, develop, and maintain complex Ab Initio ETL processes and data flows.
- Hands‑on expertise in ETL development (Ab Initio), data warehousing, Oracle, and Unix.
- Solid understanding of data warehouse concepts, including dimensional modeling, star/snowflake schemas, and enterprise‑scale ETL architecture.
- Proven experience in data pipeline optimization, performance tuning, and data quality management.
- Proficiency in shell scripting and programming languages such as Scala or Python.A strong focus on automation using Unix/Python scripting.
- Expertise in SQL, including advanced SQL capabilities.
- Broader knowledge of data warehousing practices.
- Familiarity with data transformation and data quality tools.
- Prior experience working within the banking or financial services domain.
- You may be assessed on key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job-specific technical skills.
- The role is based out of Pune.
Responsibilities
- Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools.
- Ensuring that code is scalable, maintainable, and optimized for performance.
- Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
- Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
- Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
- Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
- Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.