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CI&T

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Senior Data Developer

Software EngineerSoftware EngineerFull TimeRemoteSeniorTeam 5,001-10,000Since 1995H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

98 days ago

Salary

0

Seniority

Senior

Job Description

Senior Data Developer

CI&T

• Design, implement and lead the extraction, transformation and load (ETL/ELT) process, ensuring data quality, integrity and reliability throughout the transition phase until full decommissioning of legacy systems. • Lead the process of mapping and understanding legacy system data (data model, business rules, volume, quality). • Define and implement the data cutover strategy between databases, considering: - Required transformations - Consolidation, cleansing and standardization rules - Migration strategy (big bang, incremental, parallel, etc.) • Design, develop and maintain data pipelines (batch and/or near real-time) to ensure the new system is continuously fed until legacy systems are decommissioned. • Build ETL/ELT routines to extract, transform and load data across different database technologies and formats. • Ensure data governance: traceability, script/version control, technical documentation and reference data management. • Implement validation, reconciliation and data quality processes (checks, logs, monitoring, auditing). • Collaborate with new system developers, business analysts and infrastructure teams to align migration rules and timelines. • Support the definition of reusable data engineering standards and best practices for future migrations or integrations.

Job Requirements

  • Proven experience as a Data Engineer (or equivalent role) with a focus on data migration/cutover between different systems.
  • Experience in data modeling (relational and/or dimensional).
  • Strong SQL skills (complex queries, optimization, creation of procedures, views, functions).
  • Experience building ETL/ELT pipelines using one or more of the following tools/technologies:
  • Orchestration tools (e.g., Airflow, Luigi, Prefect, Azkaban)
  • Integration/ETL tools (e.g., Talend, Pentaho, DataStage, SSIS) or code-based pipelines (Python/Scala/Java)
  • Experience with relational databases (e.g., Oracle, SQL Server).
  • Familiarity with code versioning (Git) and development best practices (testing, code review, documentation).
  • Ability to analyze and interpret business rules and translate them into data transformation rules.
  • Nice to have:
  • Prior experience with decommissioning legacy systems and phased transition/migration plans.
  • Knowledge of cloud (AWS) and its data services.
  • Experience with pipeline monitoring and observability tools (logs, alerts, dashboards).
  • Experience with data governance and quality (Data Quality, Data Lineage, Data Catalog).
  • Experience with agile methodologies (Scrum/Kanban).

Benefits

  • Health and dental insurance
  • Food and meal allowances
  • Childcare assistance
  • Extended parental leave
  • Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) and TotalPass
  • Profit Sharing (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to promoting physical and mental health and well-being
  • Prenatal and responsible parenthood course
  • Partnerships with online course platforms
  • Language learning platform
  • And many more

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