Senior Business Analyst (Advanced SQL Expert)

About the role

Senior Business Analyst (Advanced SQL Expert)

Location: Singapore

Role Overview

Lead complex data analysis and system operations by leveraging expert-level SQL capability to query multi-terabyte databases, drive business strategy, and optimize core business processes.

Top 3 Core Skills Required

1. Expert SQL & Complex Querying (Primary Focus):

   • Proven track record writing production-grade SQL (heavy optimization, CTEs, complex window functions, dynamic SQL, subqueries, and stored procedures).
   • Expertise in querying large-scale relational databases (PostgreSQL, Snowflake, BigQuery, MySQL) and performance-tuning slow queries.

2. Requirements Engineering & Agile Alignment:

   • Translating complex business problems into clear functional specs, user stories, and process flowcharts using Agile/Jira.

3. Data Visualization & Stakeholder Communication:

   • Translating raw SQL output into actionable BI dashboards (Power BI, Tableau) and presenting key findings to senior leadership.

Key Responsibilities

• Write, optimize, and maintain complex SQL scripts to extract data, audit pipeline accuracy, and solve non-trivial business problems.
• Partner with engineering teams to design scalable data models and validate complex database migrations.
• Run User Acceptance Testing (UAT), set up data-validation test suites, and ensure strict compliance with Singapore’s PDPA guidelines.

Important Note:

Please share your resume in Word format with [email protected]

If this requirement is not a match for you, please feel free to refer your friends.

Interested professionals can reach out to me for a confidential discussion at [+65 68177759](tel:+65 68177759).

Best Regards,

Arti C

Sr. Talent Acquisition

Helius Technologies Pte Ltd

36 Robinson Road, #13-05, City House, Singapore 068877

• Mobile / WhatsApp: [+65 68177759](tel:+65 68177759)
• DID: [+65 6429-9407](tel:+65 6429-9407)
• Email: [email protected]