.NET Core & PHP Backend Developer

APAR TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 55,000 - 75,000; Full time

Job summary

A technology company in Singapore is seeking a skilled .NET Core & PHP Backend Developer to support and enhance enterprise applications. You will perform routine maintenance, troubleshoot issues, and ensure optimal performance. The ideal candidate has 2–5 years of experience in .NET-based applications and is proficient in .NET Core, C#, and PHP. Join our collaborative team and contribute to continuous improvements and API management.

Qualifications

• Proven experience as a .NET Core Backend Developer or in a similar role.
• 2–5 years of hands-on experience in .NET-based application maintenance and support.
• Knowledge of Domain-Driven Design (DDD) principles.

Responsibilities

• Perform routine maintenance and support tasks for existing .NET applications.
• Investigate and troubleshoot reported application issues.
• Monitor application and API performance.

Skills

.NET Core

PHP

C#

API management

Performance optimization

Troubleshooting

Job description

About the Role

We are seeking a skilled .NET Core & PHP Backend Developer to support, maintain, and enhance existing enterprise applications. The ideal candidate will have hands-on experience in backend development, troubleshooting, performance optimization, and API management.

You will work closely with the development team to ensure smooth application operations, timely issue resolution, and continuous performance improvements.

Key Responsibilities

1. Perform routine maintenance and support tasks for existing .NET applications to ensure stability, reliability, and optimal performance.
2. Investigate and troubleshoot reported application issues, analyze root causes, and implement corrective actions.
3. Collaborate with cross-functional teams to develop and deploy bug fixes and feature enhancements.
4. Monitor application and API performance, perform regular performance tuning, and optimize backend processes.
5. Develop and maintain technical documentation, including API endpoints, data mappings, and integration workflows.
6. Troubleshoot and resolve API-related issues to ensure responsiveness and smooth integration across systems.

Preferred Skills

• Proven experience as a .NET Core Backend Developer or in a similar backend development role.
• Proficiency in .NET Core, .NET 8, C#, and PHP.
• Knowledge of Domain-Driven Design (DDD) principles and their application in backend architecture.
• Basic experience implementing authentication and authorization (Auth) mechanisms.
• Understanding of backend security best practices.
• 2–5 years of hands-on experience in .NET-based application maintenance, support, and enhancements.