Data Developer

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 100,000 - 167,000; Full time

Job summary

QUESS SELECTION & SERVICES PTE. LTD. in Singapore is seeking an experienced BI/Reporting Developer to gather requirements, design and build approximately 100 reports using SQL, PySpark and ETL processes.

The role focuses on delivering accurate, compliant banking reports and supporting SIT/UAT and production deployment. You will collaborate with Business Analysts, developers, QA and bank technology teams, ensuring sources, mappings and transformations meet business needs while maintaining data

Qualifications

• 3–7 years of relevant IT development/reporting experience.

Responsibilities

• Gather, analyse, and validate reporting requirements with stakeholders.

Skills

SQL

PySpark

ETL

Data transformation

SSRS

Power BI

Tableau

Banking domain

SIT/UAT

Data validation

Troubleshooting

Leadership

Tools

SSRS

Power BI

Tableau

Job description

Key Responsibilities

Requirement Analysis

• Work with Business Analysts and business stakeholders to gather, analyse, and validate reporting requirements.
• Understand data sources, mappings, transformation logic, and reporting requirements.

Report Development

• Design and develop approximately 100 reports using agreed reporting tools and frameworks.
• Develop reports using SQL, PySpark, data transformation, and ETL processes.
• Ensure reports meet business requirements, data accuracy standards, and banking controls.

Testing & UAT

• Prepare test scenarios and test cases for report validation.
• Support SIT/UAT, investigate data discrepancies, troubleshoot defects, and implement fixes.
• Perform data validation and reconciliation to ensure reporting accuracy.

Deployment & Production Support

• Deploy reports to production following established change management and release processes.
• Maintain deployment documentation and rollback procedures.
• Troubleshoot and resolve production reporting issues within agreed timelines.

Stakeholder & Team Collaboration

• Work closely with Business Analysts, developers, QA teams, business users, and bank technology teams.
• Coordinate system access and environment requirements.
• Provide regular project and delivery updates.
• Lead and coordinate a team of 6+ members, where required.

Required Skills & Experience

• 3–7 years of relevant IT development/reporting experience, with at least 3 years of hands-on report development experience.
• Strong experience developing reports for banking, financial services, or trading systems.
• Strong hands-on skills in SQL, PySpark, data transformation, and ETL.
• Experience with reporting tools such as SSRS, Power BI, Tableau, or equivalent.
• Understanding of stock trading workflows and financial data structures.
• Experience with SIT/UAT, data validation, defect resolution, and production deployment.
• Strong troubleshooting and problem-solving skills.
• Experience working with Business Analysts and business stakeholders to translate requirements into technical solutions.
• Prior experience leading or coordinating a team of 6+ members is preferred.

Nice to Have

• Experience in credit pool model projects or time-based service engagements.
• Previous experience working in a banking technical environment.
• Knowledge of banking controls, compliance, and change management processes.
• Strong documentation and communication skills.
• Ability to work independently while collaborating effectively across multiple teams.
• Proactive and organised approach with strong attention to detail.