Sr. Python/Snowflake Engineer

Senior Software Engineer About Cognizant Cognizant (Nasdaqu2011100: CTSH) is one of the worldu2019s leading professional services companies, transforming clientsu2019 business, operating, and technology models for the digital era. Our industryu2011based, consultative approach helps clients envision, build, and run innovative and efficient enterprises. Learn more at Role Summary We are seeking a highly skilled Senior Software Engineer with 8u201312 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 + 8u201312 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 u2013 $155,000 USD , depending on experience, skills, geographic location, and other business considerations. This position is also eligible for Cognizantu2019s discretionary annual incentive program , subject to company and individual performance. Benefits (U.S.) Cognizant offers a comprehensive benefits package to support our associatesu2019 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 + Shortu2011Term and Longu2011Term 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 ProgramsCognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

Created: 2026-05-04