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Mid-Level Backend Developer

3-5 Years
SGD 5,800 - 6,800 per month
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  • Posted 8 days ago
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Job Description

Summary:

  • The candidate is expected to manage and execute the migration of data from legacy systems to new platforms, ensuring accuracy, integrity, and minimal disruptions to business operations.
  • He/she should have hands-on experience in ETL processes, database management, and data quality validation, along with strong problem-solving skills to troubleshoot complex data issues.

Responsibilities:

Planning and analysis

  • Assess existing data sources, data structures, and dependencies
  • Understand business requirements and migration scope
  • Collaborate with business and IT teams to plan migration timelines and strategies (e.g., cutover plan, rollback plan)

Data extraction, transformation, and loading

  • Design, develop, and execute data migration scripts
  • Map, transform, and cleanse data to meet the target system's requirements
  • Perform incremental and full data migrations with minimal downtime
  • Ensure data integrity, consistency and accuracy

Testing and validation

  • Conduct trial migrations and validate data accuracy and completeness
  • Investigate and fix any data issues
  • Implement error handling, rollback plans, and data reconciliation processes

Performance and optimization

  • Optimize migration processes for performance and large data volumes
  • Monitor data transfer performance and resolve bottlenecks
  • Ensure the migration process adheres to data security and compliance policies.

Requirement:

  • Possess a degree in Computer Science/Information Technology or related fields.
  • Minimum 3 years of experience in developing and supporting large-scale systems and applications, with strong object-oriented and core programming skills (e.g., Java, Python, JavaScript, .NET, C#, etc.)
  • Possess a good understanding of object-oriented concepts, design patterns, concurrency, and software techniques.
  • Proficient in Web services, API technologies, and concepts (e.g., JavaScript, .NET Core, XML, HTML, etc.).
  • Experience in application integration, monitoring, and control with exposure to automated tests.
  • Proven experience in data migration or ETL engineering.
  • Strong knowledge of SQL and relational databases (Oracle, MySQL, SQL Server, PostgreSQL).
  • Experience with data validation, reconciliation, and quality assurance.
  • Proficient in consuming data from a variety of sources and connecting frontend applications to backend services.
  • Good at analyzing requirements, creating technical specifications, and using test cases and scenarios.
  • Experience with software development tools (e.g., Git, Jenkins, JIRA)
  • Good understanding of the full System Development Life Cycle.
  • Ensure compliance with IT security standards, policies, and procedures.
  • Strong problem-solving, analytical, written, and communication skills.
  • Ability to work collaboratively in cross-functional teams under tight deadlines

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Job ID: 128380599

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