Cognizant

Sr. Data Engineer

Cognizant • $100K — $130K *
Mississauga, ON L4T 0A1In-Person
Information Technology
8 - 10 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 8-12 years of experience in software or data engineering in enterprise settings.
  • Advanced proficiency in Python and PySpark for modular code and complex transformations.
  • Practical expertise with Amazon S3 for secure data storage and lifecycle management.
  • Strong experience with Databricks SQL for building curated views and performant datasets.
  • Deep understanding of Databricks Delta Lake concepts like transaction logs and schema evolution.
  • Experience with configuring Databricks Workflows for job orchestration in a hybrid setting.
  • Familiarity with version control tools and continuous integration practices.
  • Collaborative communication skills for cross-functional interaction across regions.

Responsibilities

  • Design and implement robust data pipelines using Databricks and PySpark for reliable analytics.
  • Develop data ingestion solutions integrating Amazon S3 with Databricks environments.
  • Optimize Delta Lake architectures for improved query performance and cost control.
  • Build reusable Python modules for standardized data transformations across teams.
  • Manage scheduled jobs in Databricks Workflows to ensure effective operation during the day shift.
  • Implement rigorous data quality checks and validation rules for trustworthy datasets.
  • Document technical designs and operational processes for global team maintenance.
  • Mentor peers through code reviews and knowledge sharing to enhance team capabilities.

Benefits

  • Medical, dental, and vision insurance
  • Paid time off, holidays, and parental leave
  • Life and disability insurance
  • Employee assistance and wellness programs
  • Learning, certification, and career development opportunities
Full Job Description
Remote

This role does not support visa-dependent candidates currently or in the foreseeable future."

Job Summary

Senior developer within a hybrid working data engineering team designing and implementing scalable data solutions using Python PySpark Databricks and Amazon S3 for an international organization. Contribute hands on expertise to build reliable data pipelines and optimize Delta Lake based platforms that power analytics innovation and responsible data driven decisions across the enterprise.

Responsibilities
  • Design and implement robust data pipelines using Databricks Workflows PySpark and Databricks SQL so that large scale data processing runs reliably for business critical analytics tasks.
  • Develop efficient data ingestion and extraction solutions that integrate Amazon S3 with Databricks environments so that data assets remain accurate timely and easy to consume.
  • Optimize Databricks Delta Lake architectures including partitioning and clustering strategies so that query performance improves and storage costs remain controlled.
  • Build reusable Python modules and utilities that standardize data transformations so that multiple teams can adopt consistent and maintainable engineering practices.
  • Configure and monitor scheduled jobs in Databricks Workflows so that dependencies retries and alerts are managed effectively for day shift operations.
  • Implement rigorous data quality checks validation rules and reconciliation processes so that downstream reporting and machine learning models rely on trustworthy datasets.
  • Collaborate with data analysts and product stakeholders in a hybrid work model so that requirements are clearly translated into technical designs and delivered solutions match expectations.
  • Document technical designs coding standards and operational runbooks in clear language so that future maintenance and onboarding are simplified for global team members.
  • Troubleshoot performance bottlenecks in PySpark jobs and Databricks SQL queries so that processing windows are reduced and service level objectives are consistently met.
  • Apply secure coding and data handling practices across S3 buckets secrets management and Databricks configurations so that regulatory and organizational compliance goals are supported.
  • Contribute to continuous improvement initiatives such as refactoring legacy pipelines into Delta Lake patterns so that the platform remains modern efficient and easier to extend.
  • Coordinate with platform engineers and architects when introducing new features or version upgrades so that changes are aligned with enterprise standards and long term strategy.
  • Mentor peers through code reviews knowledge sharing sessions and constructive feedback so that team capability grows and delivery quality remains high.


Qualifications
  • Bring eight to twelve years of hands on software or data engineering experience with proven delivery of large scale data processing solutions in an enterprise environment.
  • Demonstrate advanced proficiency in Python and PySpark including writing modular code handling complex transformations and optimizing jobs for distributed execution.
  • Show practical expertise with Amazon S3 for data storage lifecycle management and secure integration with analytics platforms used in global organizations.
  • Offer strong experience with Databricks SQL for building curated views reusable queries and performant datasets that serve reporting and dashboard needs.
  • Exhibit deep understanding of Databricks Delta Lake concepts such as transaction logs time travel and schema evolution to maintain reliable analytical tables.
  • Display experience configuring Databricks Workflows including job orchestration parameterization and alerting in a hybrid work setting without travel obligations.
  • Possess familiarity with version control tools testing frameworks and continuous integration practices that keep data engineering codebases stable and auditable.
  • Value collaborative communication skills that enable effective interaction with cross functional partners across different regions and time zones within a day shift schedule.

Employee Benefits

Cognizant offers a competitive and comprehensive benefits package, including:
  • Medical, dental, and vision insurance
  • Paid time off, holidays, and parental leave
  • Life and disability insurance
  • Employee assistance and wellness programs
  • Learning, certification, and career development opportunities

Disclaimer: The salary, other compensation, and benefits 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.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

Cognizant Careers

Join the vibrant team at Cognizant, a leading provider of information technology, consulting, and business process services. Cognizant is not just a company; it's a community where innovation, leadership, and diversity are valued and where every team member is encouraged to thrive.

Work You’ll Do

At Cognizant, we are dedicated to helping the world's leading companies build stronger businesses — not just for today but for the future. This commitment to growth and sustainability is what makes Cognizant a unique place to advance your career.

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Whether you're looking for an entry-level position or a more senior role, Cognizant offers a plethora of job opportunities that could be perfect for you. Our hiring process is designed to be transparent and engaging, ensuring that every candidate is able to showcase their skills and potential fully.

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Join a team where innovation is at the core of everything we do. Cognizant’s professionals are not just part of a company; they're part of a groundbreaking environment that combines technology, insights, and leadership to foster innovation across global industries.

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Kickstart your career with Cognizant’s internship programs. These opportunities allow you to gain hands-on experience, develop your professional skills, and network with experts in your field. An internship at Cognizant is a stepping stone to full-time employment and a chance to see how your studies apply in the real world.

Professional Growth and Development

Cognizant is committed to the professional growth of its employees. With access to cutting-edge training, leadership programs, and diversity initiatives, you can build a career that’s equipped for the demands of tomorrow’s business landscape.

Benefits and Culture

Our employees enjoy a range of benefits designed to support their physical, financial, and emotional well-being. Cognizant’s culture is built on a foundation of respect and inclusivity, where everyone’s contribution is valued. Join us and be part of a team that celebrates diversity and is driven to make a positive impact on the world.

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Networking and Interviews

Enhance your career prospects at Cognizant through our robust networking events. Prepare your resume, sharpen your interview skills, and connect with leaders across the industry to unlock new career paths. At Cognizant, we don’t just offer jobs; we offer career journeys. Be part of a team that’s committed to your long-term career growth and professional development. Join Cognizant today and be a part of our success story.
Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Information Technology
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ
CTSH
* Ladders Estimates

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