Skill: Pyspark, AWS
Exp: 6 to 12 years
Location: Pune
Job Summary
We are seeking an experienced AWS PySpark Developer to design, develop, and optimize large-scale data processing pipelines in the cloud. The ideal candidate will have strong expertise in PySpark, AWS services, and ETL workflows, with a focus on building scalable, high-performance data solutions for analytics and reporting.
Key Responsibilities
- Design, develop, and maintain ETL pipelines using PySpark on AWS.
- Work with large datasets to perform data cleansing, transformation, and aggregation.
- Optimize Spark jobs for performance and cost efficiency.
- Integrate data from multiple sources including AWS S3, RDS, Redshift, DynamoDB, and APIs.
- Implement data quality checks and ensure compliance with governance policies.
- Collaborate with data analysts, data scientists, and business stakeholders to deliver data solutions.
- Deploy and monitor jobs using AWS Glue, EMR, Step Functions, or Lambda.
- Troubleshoot and resolve issues in production data pipelines.
- Maintain documentation for data flows, transformations, and architecture.
Required Skills & Qualifications
- 3–7 years of experience in data engineering or big data development.
- Strong proficiency in PySpark and Spark SQL.
- Hands-on experience with AWS services such as:
- S3, Glue, EMR, Lambda, Athena, Redshift, IAM
- Solid understanding of ETL concepts and data warehousing.
- Proficiency in Python for scripting and automation.
- Experience with version control (Git) and CI/CD pipelines.
- Strong problem-solving skills and ability to work in an agile environment.
Preferred Skills
- Experience with AWS Glue Studio and Glue Catalog.
- Knowledge of Airflow or other orchestration tools.
- Familiarity with streaming data using Kafka or Kinesis.
- Exposure to Terraform or CloudFormation for infrastructure as code.
- Understanding of data security and encryption in AWS.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
