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Sr. Python/Snowflake Engineer

00068802101

Senior Software Engineer

About Cognizant

Cognizant (Nasdaq‑100: CTSH) is one of the world’s leading professional services companies, transforming clients’ business, operating, and technology models for the digital era. Our industry‑based, consultative approach helps clients envision, build, and run innovative and efficient enterprises. Learn more at www.cognizant.com.

Role Summary

We are seeking a highly skilled Senior Software Engineer with 8–12 years of experience to join our Snowflake Platform Engineering team in an onsite work model based in Buffalo, NY.

This role focuses on building resilient, scalable software platforms that enable data engineers to ingest, process, and manage data across a centralized Snowflake ecosystem. As legacy systems migrate to Snowflake, you will play a key role in scaling frameworks, strengthening infrastructure, and establishing guardrails that ensure reliability, performance, and security at enterprise scale.

Key Responsibilities

  • Design, develop, and maintain scalable Python-based platforms and applications supporting data engineering workflows.

  • Build resilient frameworks to enable large-scale data ingestion and processing within Snowflake.

  • Design, build, and maintain Snowflake pipelines using Tasks, Streams, Snowpipe, and SQL.

  • Optimize Snowflake queries and data models for performance, scalability, and cost efficiency.

  • Develop automated testing frameworks using PyTest and related tools to ensure quality and reliability.

  • Conduct code reviews and enforce coding standards, security guidelines, and best practices.

  • Integrate applications into CI/CD pipelines using GitLab.

  • Collaborate with cross-functional teams to translate business needs into technical solutions.

  • Troubleshoot and resolve platform and pipeline issues to ensure system stability.

  • Document technical designs and operational processes for long-term maintainability.

Required Qualifications

  • 8–12 years of experience in software engineering or related roles.

  • Strong expertise in Python (object-oriented programming) and JavaScript.

  • Hands-on experience with Snowflake, including Tasks, Streams, Snowpipe, and SQL.

  • Solid understanding of data architecture, ETL processes, and database optimization.

  • Experience building APIs with FastAPI and data validation using Pydantic.

  • Proficiency with CI/CD pipelines and version control (GitLab).

  • Strong analytical, problem-solving, and communication skills.

Preferred Skills

  • Experience designing platform frameworks for data engineering teams.

  • Knowledge of secure development and application security practices.

  • Experience optimizing Snowflake performance and cost at scale.

Why Choose Cognizant?

  • Work on enterprise-scale data platform and cloud transformation initiatives.

  • Collaborative and inclusive culture focused on innovation and growth.

  • Continuous learning, certifications, and career development opportunities.

  • Opportunity to deliver impactful, data-driven solutions.

Employee Status

Full Time

Work Model

Onsite

Location

Buffalo, NY

Shift

Day Job

Travel

No / Minimal

Equal Employment Opportunity Statement

Cognizant is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Salary & Compensation (U.S.)

The annual base salary for this role, if hired in the United States, is $95,000 – $155,000 USD, depending on experience, skills, geographic location, and other business considerations.

This position is also eligible for Cognizant’s discretionary annual incentive program, subject to company and individual performance.

Benefits (U.S.)

Cognizant offers a comprehensive benefits package to support our associates’ health, wellbeing, and professional growth, including:

  • Medical, Dental, and Vision Insurance (multiple plan options)
  • Paid Time Off (PTO) and Paid Holidays
  • 401(k) Retirement Savings Plan with company match
  • Life Insurance and Accidental Death & Dismemberment (AD&D) coverage
  • Short‑Term and Long‑Term Disability Insurance
  • Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA)
  • Employee Assistance Program (EAP)
  • Tuition Reimbursement and Learning & Development Programs
  • Parental Leave and Family Support Benefits
  • Wellbeing and Wellness Programs

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.

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.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

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