Cognizant

Bigdata AWS engineer- onsite

Cognizant • $100K — $130K *
Saint Louis, MO 63129In-Person
Information Technology
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Strong experience designing and executing tests for AWS data pipelines.
  • Advanced proficiency in Python for automation frameworks and data validation utilities.
  • Practical knowledge of prompt engineering concepts for AI feature testing.
  • Hands-on big data validation skills across distributed storage platforms.
  • Background in device engineering or device-focused domains.
  • Ability to work effectively in a hybrid environment.
  • 6-10 years of experience in software quality engineering or test roles.
  • Clear communication skills with technical and non-technical partners.

Responsibilities

  • Lead end-to-end test planning for data-driven and automation-heavy projects.
  • Design detailed test strategies to identify and mitigate quality risks early.
  • Coordinate test case design to maximize coverage of data transformation rules.
  • Develop Python-based automation scripts to validate large data sets.
  • Configure and monitor AWS data pipeline tests for data quality and timeliness.
  • Perform big data validation by comparing source to target records.
  • Create and maintain test data strategies for stable testing environments.
  • Execute test cycles in a hybrid model and collaborate with distributed teams.
  • Track, analyze, and report defects with actionable insights.
  • Review AI component outputs for accuracy and compliance.
  • Collaborate with engineering stakeholders to translate scenarios into test cases.
  • Prepare test progress summaries and quality metrics to inform decision-making.
  • Continuously improve automation coverage and data validation practices.

Benefits

  • Flexible hybrid work model that encourages collaboration.
  • Opportunity to work on high-impact projects involving data automation and AI.
  • Access to continuous learning and professional development resources.
  • Supportive environment for sharing insights and contributing to test strategy improvements.
  • Engagement with cross-functional teams to enhance domain understanding and product outcomes.
Full Job Description
Job Summary

Serve as a Test Lead for data intensive and automation focused solutions that use prompt engineering AWS data pipelines Python based frameworks and big data validation to ensure high quality delivery. Coordinate hybrid model testing activities across teams drive defect prevention and support reliable device focused products for customers and society.

Responsibilities
  • Lead end to end test planning for data driven and automation heavy projects that rely on prompt engineering AWS data pipelines Python solutions and big data validation to ensure consistently reliable releases.
  • Design detailed test strategies that cover functional flows data integrity checks regression suites and non functional aspects so that all critical quality risks are identified and mitigated early.
  • Coordinate test case design using systematic techniques and reusable patterns to maximize coverage of data transformation rules automation scenarios and device oriented business workflows.
  • Develop robust Python based automation scripts and reusable libraries that validate large data sets orchestrate AWS pipeline jobs and reduce manual testing effort across repeated cycles.
  • Configure execute and monitor AWS data pipeline tests by validating data ingestion transformation scheduling and downstream consumption so that data quality and timeliness remain predictable.
  • Perform comprehensive big data validation by comparing source to target records boundary conditions and anomaly patterns to detect defects that could affect analytics or device behavior in production.
  • Create and maintain test data strategies that include synthetic data design masking rules and data refresh routines to keep test environments stable and representative of real world usage.
  • Execute day shift test cycles in a hybrid work model while collaborating closely with distributed engineering data and product teams to keep progress transparent and aligned to milestones.
  • Track analyze and report defects with clear steps logs and data samples to support fast triage accurate root cause analysis and timely resolution by development teams.
  • Review prompt engineering use cases and outputs from AI enabled components to verify accuracy safety and consistency with expected business behavior and compliance guidelines.
  • Collaborate with stakeholders from device engineering and device operations to understand domain scenarios translate them into test cases and validate that solutions support end user needs.
  • Prepare regular test progress summaries risk assessments and quality metrics that inform decision making and help the organization release reliable solutions that support customer trust.
  • Continuously improve test frameworks automation coverage and data validation practices by analyzing past issues and adopting modern tools that increase efficiency without compromising quality.


Qualifications
  • Display strong experience designing and executing tests for AWS data pipelines including data flow validation orchestration checks and monitoring of data quality indicators.
  • Demonstrate advanced proficiency in Python automation for building modular test frameworks integration suites and data validation utilities that scale to large volumes.
  • Apply practical knowledge of prompt engineering concepts to evaluate prompts expected responses and guardrails for AI driven features from a testing perspective.
  • Use hands on big data validation skills across distributed storage and processing platforms to verify completeness correctness and performance of data workloads.
  • Bring background in device engineering or device focused domains as a beneficial asset for understanding hardware software interactions and real world usage patterns.
  • Show capability to work effectively in a hybrid environment by managing time communication and collaboration tools to support on site and remote team members.
  • Exhibit experience of six to ten years in software quality engineering or test roles with increasing responsibility for complex data and automation initiatives.
  • Communicate clearly with technical and non technical partners through concise documentation test reports and walkthroughs that enable shared understanding of risks and outcomes.


Certifications Required

Preferred certifications include AWS Certified Data Analytics or AWS Certified Developer and ISTQB Foundation or equivalent testing certification.

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.

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.

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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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