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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Python and Snowflake Developer - **Company:** Cognizant Technology Solutions Corporation - **Location:** Buffalo, NY, United States - **Experience:** Expert - **Salary:** $130,000 - $150,000 - **Contract:** Permanent contract - **Skills:** Big Data, Cloud Storage, Code Review, Databases, Continuous Integration, Information Engineering, Data Governance, Data Infrastructure, Extract Transform Load (ETL), Data Systems, Data Warehousing, JSON, Python (Programming Language), Microsoft SQL Server, Oracle (Applications), Performance Tuning, Query Optimization, Role-Based Access Control, Software Engineering, SQL Stored Procedures, SQL Databases, Extensible Markup Language (XML), Enterprise Data Management, Parquet, Data Logging, Data Processing, Cloud Platform System, Data Ingestion, Delivery Pipeline, Snowflake, Software Troubleshooting, Git, Semi-structured Data, Information Technology, Restful APIs, Data Pipelines - **Published:** November 7, 2026 - **Apply:** https://dejobs.org/x/x/EFEF16FAE8104551B7182BAA1B9ACB4E/job/ ## About the Role * 7+ years of experience in data engineering, ETL/ELT development, data warehousing, or related software engineering roles. * Strong hands-on experience designing and developing solutions using Snowflake. * Advanced proficiency in Python for data processing, automation, API integration, and pipeline development. * Advanced SQL expertise, including complex joins, CTEs, window functions, query optimization, and large-scale data processing. * Experience building and supporting data pipelines using structured and semi-structured data formats such as CSV, JSON, Parquet, and XML. * Proven experience implementing data quality, reconciliation, monitoring, logging, and exception-handling frameworks. * Strong troubleshooting, root cause analysis, and production support capabilities. * Experience with Git-based development practices and CI/CD deployment pipelines. * Working knowledge of Snowflake security concepts, including RBAC, roles, privileges, secure views, and data access controls. * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent professional experience. These will help you stand out * Experience working with Oracle, SQL Server, cloud storage platforms, and REST APIs. * Hands-on experience with Snowflake features such as Streams, Tasks, Snowpipe, Stages, and warehouse optimization. * Experience designing highly available, resilient, and performance-optimized data solutions in cloud environments. * Strong understanding of data governance, data quality frameworks, and enterprise data management best practices. * Experience leading technical discussions, mentoring engineers, and driving adoption of engineering standards and best practices. We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role. ## Description As a Sr. Python and Snowflake Developer , you will make an impact by designing, developing, and optimizing scalable cloud-based data solutions that support enterprise analytics, reporting, and business decision-making. You will be a valued member of the Data Engineering team and work collaboratively with architects, developers, business stakeholders, and cross-functional technology teams to deliver high-quality data products and modern data platforms., * Design, develop, and maintain scalable ETL/ELT pipelines using Snowflake, Python, and SQL. * Build and optimize data ingestion, transformation, and integration solutions from multiple structured and semi-structured data sources. * Develop and manage Snowflake databases, schemas, tables, views, streams, tasks, stages, and stored procedures to support enterprise data initiatives. * Monitor, troubleshoot, and enhance data pipelines through performance tuning, data quality controls, and production support best practices. * Mentor junior engineers and contribute to engineering excellence through code reviews, technical guidance, documentation, and CI/CD best practices. Work model At Cognizant, we strive to provide flexibility wherever possible and are committed to supporting a healthy work-life balance through our wellbeing programs. Based on this role's business requirements, this is an onsite position requiring 5 days per week in a client or Cognizant office in Buffalo, New York. The working arrangements for this role are accurate as of the date of posting. This may change based on the project you are engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.