Data Engineer (Python_Java_TypeScript_React_DataMigration_ETL_MSSQL)

MALTEM ASIA PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

A leading technology consulting firm in Singapore is seeking a Data Engineer to manage Data Recon processes for a Wealth Management client. The ideal candidate has 3-8 years of experience in large-scale systems and is proficient in Python, Java, and TypeScript, along with strong problem-solving skills. Responsibilities include data extraction, transformation, and ensuring data integrity during migration processes. This role offers competitive compensation and a collaborative work environment.

Qualifications

• Possess a degree in Computer Science/Information Technology or related fields.
• 3 to 8 years of experience in developing and supporting Large Scale Systems and applications.
• Proficient in Python, Java, TypeScript.

Responsibilities

• Manage and execute Data Recon from legacy systems to new platforms.
• Collaborate with business and IT teams to plan data recon timelines and strategies.
• Design, develop and execute data recon scripts.

Job description

Maltem Asia is seeking a Data Engineer for a Wealth Management Client based in Singapore.

Summary

• The successful candidate will manage and execute Data Recon from legacy systems to new platforms, ensuring accuracy, integrity and minimal disruptions to business operations.
• He/she is expected to 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 recon scope.
• Collaborate with business and IT teams to plan data recon timelines and strategies (e.g. cutover plan, rollback plan).
• Data Extraction, Transformation and Loading
• Design, develop and execute data recon scripts.
• Map, transform and cleanse data to meet the target system’s requirements.
• Perform incremental and full data recon with minimal downtime.
• Ensure data integrity, consistency and accuracy.
• Testing and validation
• Conduct trial recon 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 data recon 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.

Must Have Skillsets

• Possess a degree in Computer Science/Information Technology or related fields.
• 3 to 8 years of experience in developing and supporting Large Scale Systems and applications, with strong object-oriented and core programming skills:
• Python
• Java
• TypeScript
• Possess good understanding of object-oriented concepts, design patterns, concurrency and software techniques.
• Proficient in Web services, API technologies and concepts:
• React
• TypeScript
• Javascript
• Proficient in consuming data from a variety of sources and connecting Frontend applications to backend services.
• Experience in:
• Application Integration
• Monitoring & Control with exposure in 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.
• Good in analyzing requirements, creating technical specifications and using test cases and scenarios.
• Experience with software development tools (e.g. Github, JIRA).
• Good understanding of full System Development Life Cycle. (SDLC)
• 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.