Senior Software Engineer – .NET / Power BI / SQL

NEWTONE SERVICES PTE. LTD.; Singapore; On-site; SGD 90,000 - 160,000; Full time

Job summary

NEWTONE SERVICES PTE. LTD. seeks an experienced Software Engineer to develop, integrate, and support mission-critical applications for Singapore's Public Sector.

You will work with C# .NET, SQL Server, REST APIs, and Power BI to deliver secure, high-performance systems. You will design, implement, and optimize enterprise applications, data pipelines, and dashboards, while aligning with government security and governance requirements.

Qualifications

• 5+ years of software development experience required, preferably in enterprise systems.
• Experience with C#/.NET stack and REST API design.
• Strong SQL skills including stored procedures and performance tuning.
• Power BI development and data modelling experience.
• Knowledge of Azure cloud services and security/compliance basics.
• Familiarity with CI/CD, DevOps, and agile methodologies.

Responsibilities

• Design, develop, and maintain applications using C# .NET / .NET Core and RESTful APIs.
• Develop and maintain Power BI dashboards, data models, and reporting solutions.
• Write and optimize MSSQL queries, stored procedures, and database integrations.
• Integrate applications with external systems, APIs, and Microsoft Azure cloud services.
• Configure and customize enterprise applications and business rules to support operational workflows.
• Participate in FAT, UAT, system integration testing, and production deployments.
• Troubleshoot application issues, perform root cause analysis, and support production operations.
• Collaborate with project teams and stakeholders to ensure secure, reliable software delivery.

Skills

C# .NET / .NET Core / .NET Framework

Microsoft SQL Server

Power BI

REST APIs

CI/CD / DevOps / Agile

Troubleshooting / debugging

Analytical communication

Tools

Microsoft Azure

Job description

We are looking for an experiencedSoftware Engineerto develop, integrate, and support mission-critical applications within Singapore's Public Sector. You will work on enterprise systems involvingC# .NET, Microsoft SQL Server, REST APIs, and Power BI, ensuring secure, reliable, and high-performance solutions.

Key Responsibilities

• Design, develop, and maintain applications usingC# .NET / .NET Coreand RESTful APIs.
• Develop and maintainPower BI dashboards, data models, and reporting solutions.
• Write and optimizeMSSQL queries, stored procedures, and database integrations.
• Integrate applications with external systems, APIs, and Microsoft Azure cloud services.
• Configure and customize enterprise applications and business rules to support operational workflows.
• Participate inFAT, UAT, system integration testing, and production deployments.
• Troubleshoot application issues, perform root cause analysis, and support production operations.
• Collaborate with project teams and stakeholders to ensure secure, reliable software delivery.

Requirements

• 5+ years of software development experience, preferably in enterprise or mission-critical systems.
• Strong hands-on experience in at least one of the following areas:
• C# .NET / .NET Core / .NET Frameworkdevelopment
• Microsoft SQL Server, T-SQL, stored procedures, and performance tuning
• Power BI, Power Query, DAX, and data modelling
• Experience withREST APIs, JSON/XML, and system integration.
• Experience working with Singapore Government agencies or statutory boards.
• Familiarity with public sector security, governance, and compliance requirements.
• Exposure toMicrosoft Azure, cloud-native services, or Government Commercial Cloud (GCC)is advantageous.
• Knowledge ofCI/CD, DevOps, Agile, and enterprise testing processes.
• Strong analytical, troubleshooting, communication, and problem-solving skills.