What are the responsibilities and job description for the Sr. Snowflake/Python Developer position at Cognizant?
Senior Software Engineer – Snowflake Platform Engineering
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
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.
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.
- 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.
- Experience designing platform frameworks for data engineering teams.
- Knowledge of secure development and application security practices.
- Experience optimizing Snowflake performance and cost at scale.
- 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.
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.