Data Migration Engineer

4 hours ago

Singapore ASTEK SINGAPORE INNOVATION TECHNOLOGY PTE. LTD. Full time

**Key Responsibilities**:
**1. Migration Planning and Analysis**:

- Analyze legacy data structures, formats, and dependencies.
- Profile source data to identify quality issues and inconsistencies.
- Work closely with business and technical stakeholders to define migration scope, timelines, and cutover/rollback strategies.
- Translate business requirements into migration plans and technical specifications.

**2. ETL Development and Execution**:

- Design, develop, and maintain scalable **ETL pipelines**for data extraction, transformation, and loading.
- Cleanse, map, and transform data to align with the schema and constraints of the target system.
- Execute both **incremental**and **full data loads**with mínimal downtime.
- Ensure data consistency, referential integrity, and format alignment during migration.

**3. Validation, Testing, and Reconciliation**:

- Conduct trial runs and dry migrations to validate data accuracy and completeness.
- Develop and perform **data reconciliation**between source and target systems to ensure parity.
- Implement robust **error-handling**, **logging**, and **rollback mechanisms**.
- Investigate and resolve discrepancies or failed loads.

**4. Performance Tuning and Optimization**:

- Monitor performance of data migration tasks and troubleshoot bottlenecks.
- Tune queries, scripts, and pipelines to support **large-volume data transfers**efficiently.
- Ensure compliance with **data governance**, **privacy**, and **security policies**throughout the migration.

**Requirements**:
**Requirements**:

- **3-8 years of relevant experience**:

- Strong experience in **data migration**, **ETL processes**, and **data engineering**practices.
- Proficient in **Python**and **SQL**for scripting, transformation, and automation.
- Experience with **data validation, reconciliation, and quality assurance**:

- Hands-on with **data profiling tools**:

- Experience working with relational databases (e.g., **MySQL, PostgreSQL, MS SQL Server, Oracle).**:

- Possess good understanding of object-oriented concepts, design patterns, concurrency and software techniques.
- Proficient in Web services, API technologies and concepts
- Ability to manage multiple migration projects under tight timelines with high attention to detail.
- Strong analytical and problem-solving skills.
- Good in analyzing requirements, **creating technical specifications**and using **test cases and scenarios.

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