Posted at: 3 November
[Job 25647] Senior Data Engineer - Legacy System Migration
Company
CI&T
CI&T is a Brazil-based B2B information technology and software development company specializing in digital transformation and AI solutions for a global clientele across various industries.
Remote Hiring Policy:
CI&T supports remote work and hires globally, with team members located in various regions including the United States, Canada, the United Kingdom, Portugal, China, Colombia, Japan, and Australia.
Job Type
Full-time
Allowed Applicant Locations
Worldwide
Salary
$26,138 per year
Job Description
We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 7.400 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
About the Role
We are seeking an experienced Senior Data Engineer to lead the migration of our client data infrastructure from SQL Server to a modern cloud-based data stack. This role will involve converting legacy stored procedures, SSIS packages, and database views into streamlined dbt models and Prefect workflows running on Snowflake. You will play a critical role in modernizing our client data platform and establishing best practices for the new data architecture.
Key Responsibilities
Lead the migration of SQL Server stored procedures, SSIS packages, and views to dbt models and Prefect workflows
Analyze and document existing legacy SQL Server data pipelines and business logic
Redesign ETL/ELT workflows from SSIS packages into Python-based Prefect jobs
Refactor complex stored procedures into modular, testable dbt models
Convert SQL Server views and data transformations to dbt in Snowflake
Leverage AI tools to accelerate code conversion and migration tasks where appropriate
Implement data quality checks and validation to ensure migration accuracy and data integrity
Optimize migrated workflows for performance and cost-efficiency in Snowflake
Establish data engineering best practices, coding standards, and documentation for the new stack
Collaborate with business stakeholders to understand and preserve critical business logic during migration
Create comprehensive mapping documentation between legacy and new systems
Mentor team members on modern data engineering practices and tools
Participate in code reviews and ensure adherence to the new architecture standards
Required Qualifications
Experience in data engineering or related roles
Strong experience with SQL Server, including stored procedures, views, and T-SQL
Hands-on experience with SSIS (SQL Server Integration Services) package development and maintenance
Strong proficiency in Python for data engineering, automation, and building Prefect workflows
Production experience with dbt including data modeling, testing, and incremental models
Experience with Prefect for workflow orchestration and pipeline management
Hands-on experience with Snowflake, including data warehousing and performance optimization
Proven track record of successful data platform migrations or modernization projects
Strong analytical skills to reverse-engineer and understand legacy code and business logic
Experience with data migration strategies, validation techniques, and rollback procedures
Excellent documentation skills and attention to detail
Strong communication skills to work with technical and non-technical stakeholders
Preferred Qualifications
Experience using AI tools (GitHub Copilot, ChatGPT, Claude, or similar) to assist with code conversion, migration, and development tasks
Experience migrating from on-premise systems to cloud data platforms
Familiarity with automated code conversion and refactoring tools
Experience with data catalog and lineage tools
Knowledge of change management and migration project management
Experience with Azure or other cloud platforms
Familiarity with data governance and compliance requirements
Understanding of dimensional modeling and data warehouse design patterns
Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)
Our benefits:
-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Life insurance
-Continuous learning platform (CI&T University);
-Discount club
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
And many more!
More details about our benefits here: https://ciandt.com/br/pt-br/carreiras
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.