SQL Developer

Unison Consulting Pte Ltd; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

A leading consulting firm in Singapore is seeking an experienced SQL / PL/SQL Developer. The role involves developing and optimizing SQL queries, managing Change Requests, and collaborating with business analysts and support teams. Candidates should have a strong background in Oracle SQL/PL-SQL and .NET/C# development, along with experience in the banking domain and performance tuning. Excellent communication skills are essential for success in this position.

Qualifications

• 4-9 years of experience as SQL/PL-SQL Developer.
• Strong hands-on expertise in Oracle SQL/PL-SQL development.
• Experience in .NET framework / C# application development.
• Prior exposure to banking domain.
• Proven track record in handling Change Requests (CRs).
• Experience with performance tuning and optimizing complex queries.
• Familiarity with version control tools and change management processes.

Responsibilities

• Develop, optimize, and maintain SQL and PL/SQL queries.
• Design, code, test, and maintain .NET/C# applications.
• Manage and implement Change Requests (CRs).
• Work closely with business analysts, testers, and support teams.
• Perform impact analysis for CR implementation.
• Conduct performance tuning for large-volume banking transactions.
• Support UAT, regression testing, and production releases.
• Provide L2/L3 technical support for incidents.

Skills

SQL and PL/SQL

.NET/C#

Change Requests management

Performance tuning

Agile methodologies

Stakeholder management

Tools

Oracle SQL/PL-SQL

Git

SVN

Job description

• Develop, optimize, and maintain SQL and PL/SQL queries, procedures, triggers, and packages for banking applications.
• Design, code, test, and maintain .NET/C# applications integrated with backend databases.
• Manage and implement Change Requests (CRs) — including analysis, estimation, coding, testing, and deployment.
• Work closely with business analysts, testers, and support teams to ensure CRs align with banking requirements.
• Perform impact analysis to assess risks and dependencies before CR implementation.
• Conduct performance tuning and ensure scalability for large-volume banking transactions.
• Support UAT, regression testing, and production releases with proper documentation.
• Provide L2/L3 technical support for incidents related to SQL, PL/SQL, and .NET applications.

• 4–9 years of experience as SQL / PL-SQL Developer.
• Strong hands-on expertise in Oracle SQL/PL-SQL development.
• Experience in .NET framework / C# application development.
• Prior exposure to banking domain.
• Proven track record in handling Change Requests (CRs), including impact analysis, development, testing, and deployment.
• Experience with performance tuning and optimizing complex queries.
• Familiarity with version control tools (e.g., Git, SVN) and change management processes in banking.
• Strong understanding of SDLC and Agile methodologies.
• Excellent communication and stakeholder management skills.