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.
What we offer
- The chance to work with impact. Here, you’re empowered to bring your biggest thinking to help our company and clients improve everyday life.
- Ownership over your career. Stay at the top of your game through our award-winning learning and development ecosystem. And when your ambitions change or we offer new opportunities, we help you pivot by providing reskilling, on-the-job learning and guidance to find new roles that might be a better fit.
- The opportunity to thrive on a high caliber team with heart. We celebrate each other’s experiences and perspectives and promote a sense of belonging through our affinity groups and diversity and inclusion initiatives.
- A comprehensive total rewards package, including a competitive salary and a pension plan with matching contributions.
- Flexible health and financial benefits to support you and your eligible dependents—from day one.
- True work-life balance. Be at your best through paid time off, flexible work arrangements, volunteering opportunities, social events, and so much more.
About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge 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, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Other employment-related information
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, provincial or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.










