Data Migration Engineer

21 hours ago

Singapore ASTEK SINGAPORE INNOVATION TECHNOLOGY PTE. LTD. Full time $80,000 - $120,000 per year

We are seeking a skilled Data Migration Engineer to lead and execute end-to-end data migration initiatives from legacy systems to modern platforms. The ideal candidate will have hands-on experience in ETL pipelines , data engineering , and data validation , with strong proficiency in Python and SQL . You will be responsible for ensuring the accuracy, completeness, and integrity of data throughout the migration lifecycle, while minimizing disruption to business operations.

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 minimal 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.
  • Experience in application integration, monitoring and control with exposure in automated tests
  • 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.
  • Proficient in consuming data from a variety of sources and connecting frontend applications to backend services.
  • Good in analyzing requirements, creating technical specifications and using test cases and scenarios.

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