Software engineer / Application support - .NET

NEWTONE CONSULTING PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

NEWTONE CONSULTING PTE. LTD. is seeking a Software Engineer with 3-5 years of experience to maintain, troubleshoot, and enhance enterprise applications.

This hands-on role combines development with production support and ongoing improvement. The position includes participation in a 24/7 on-call roster on a rotating basis, with after-hours incident response when scheduled. Responsibilities cover incident investigation, code fixes, deployments, testing, and collaboration with cross-functional

Qualifications

• 3-5 years of experience in software development, application maintenance, or production support.
• Hands-on programming and debugging experience, preferably with C# / .NET / ASP.NET Core.
• Good knowledge of SQL databases, REST APIs, and application integration.
• Experience troubleshooting production applications and resolving code-level defects.
• Familiarity with Git, application deployments and software testing practices.
• Strong analytical, troubleshooting, and communication skills.
• Ability to independently investigate issues and coordinate incident resolution.
• Willingness to participate in a rotating 24/7 support roster

Responsibilities

• Maintain and support enterprise applications, ensuring reliability and performance.
• Investigate production incidents, debug code, and implement software fixes.
• Develop application enhancements and improve existing functionalities.
• Perform root cause analysis and implement preventive measures.
• Support application deployments, upgrades, testing, and release activities.
• Monitor application health and respond to critical incidents in accordance with SLAs.
• Collaborate with development, infrastructure, and operations teams to resolve technical issues.
• Participate in 24/7 on-call support duties on a rotational basis, when rostered.

Skills

C# / .NET

ASP.NET Core

SQL databases

REST APIs

Git

Tools

SQL Server

Job description

We are looking for a Software Engineer with 3-5 years of experience to maintain, troubleshoot, and enhance enterprise applications. This hands‑on role combines software development, production support, and continuous application improvement.

The position involves participation in a 24/7 support roster on a team rotation basis, including after‑hours incident response when scheduled.

Key Responsibilities

• Maintain and support enterprise applications, ensuring reliability and performance.
• Investigate production incidents, debug code, and implement software fixes.
• Develop application enhancements and improve existing functionalities.
• Perform root cause analysis and implement preventive measures.
• Support application deployments, upgrades, testing, and release activities.
• Monitor application health and respond to critical incidents in accordance with SLAs.
• Collaborate with development, infrastructure, and operations teams to resolve technical issues.
• Participate in 24/7 on-call support duties on a rotational basis , when rostered.

Requirements

• 3-5 years of experience in software development, application maintenance, or production support.
• Hands‑on programming and debugging experience, preferably with C# / .NET / ASP.NET Core .
• Good knowledge of SQL databases, REST APIs, and application integration .
• Experience troubleshooting production applications and resolving code‑level defects.
• Familiarity with Git, application deployments and software testing practices.
• Strong analytical, troubleshooting, and communication skills.
• Ability to independently investigate issues and coordinate incident resolution.
• Willingness to participate in a rotating 24/7 support roster