Software Engineer

RFNET TECHNOLOGIES PTE LTD; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

RFNET TECHNOLOGIES PTE LTD is seeking an experienced Software Engineer to design, develop, and maintain scalable applications and services using C# and .NET. You will work on microservice architecture, REST APIs, and CI/CD pipelines to deliver robust software solutions.

The role involves developing and maintaining backend services, APIs, and service integrations, with exposure to containerized deployments using Docker and cloud platforms such as AWS.

Qualifications

• Degree or diploma in Computer Science, Software Engineering, Information Technology, or related discipline.
• 3+ years of professional experience in C# / .NET development.
• Strong understanding of object-oriented programming and software engineering principles.
• Hands-on experience with microservice architecture and RESTful APIs.
• Experience developing and maintaining CI/CD pipelines.
• Experience with relational databases such as SQL Server, PostgreSQL, or MySQL.
• Experience with Git and modern software development practices.
• Good understanding of software testing and debugging.

Responsibilities

• Design, develop, test, and maintain applications using C# and .NET / .NET Core.
• Develop scalable, maintainable, and reusable backend services.
• Develop and maintain RESTful APIs and service integrations.
• Participate in code reviews, testing, troubleshooting, and performance optimization.

Skills

C# / .NET development

Microservice architecture

RESTful APIs

CI/CD pipelines

Git

Testing & debugging

Troubleshooting

Education

Degree or diploma in Computer Science / Software Engineering / IT

Tools

Docker

Kubernetes

AWS

RabbitMQ

Kafka

PostgreSQL / MySQL / SQL Server

OpenTelemetry

Prometheus

Grafana

CloudWatch

ELK/OpenSearch

Redis

Job description

Job Summary

We are looking for an experienced Software Engineer to design, develop, and maintain scalable applications and services using C# and .NET.

The candidate should have solid experience with microservice architecture, REST APIs, software development, and CI/CD pipelines. Experience with cloud-based application deployment and container technologies is an advantage, but candidates with strong microservice and CI/CD experience are also encouraged to apply.

Key Responsibilities

Software Development

• Design, develop, test, and maintain applications usingC# and .NET / .NET Core.
• Develop scalable, maintainable, and reusable backend services.
• Develop and maintain RESTful APIs and service integrations.
• Participate in code reviews, testing, troubleshooting, and performance optimization.

Microservice Architecture

• Design and develop applications based onmicroservice architecture.
• Develop independently deployable services with well-defined interfaces.
• Implement service-to-service communication and integration.
• Apply appropriate patterns for scalability, reliability, fault tolerance, and distributed systems.
• Work with databases, caching, messaging, and asynchronous processing where appropriate.

CI/CD & DevOps

• Develop and maintainCI/CD pipelinesfor automated build, testing, packaging, and deployment.
• Integrate automated unit and integration testing into development pipelines.
• Manage application versioning and release processes.
• Work with development and infrastructure teams to improve deployment automation and reliability.

Container & Cloud Deployment

• Develop applications suitable for containerized and cloud environments.
• Work withDockerand container-based deployment where applicable.
• Experience withAWS, ECS, EKS/Kubernetes, or other cloud platformsis an advantage.
• Collaborate with Cloud Engineers on application deployment, configuration, networking, and operational requirements.

Monitoring & Production Support

• Implement application logging, health checks, metrics, and tracing.
• Troubleshoot application and microservice issues in development and production environments.
• Participate in incident investigation and root-cause analysis.
• Work with monitoring and observability platforms such as CloudWatch, Prometheus, Grafana, OpenTelemetry, or ELK/OpenSearch.

Required Qualifications & Experience

• Degree or diploma in Computer Science, Software Engineering, Information Technology, or related discipline.
• 3+ years of professional experience in C# / .NET development.
• Strong understanding of object-oriented programming and software engineering principles.
• Hands-on experience with microservice architecture and RESTful APIs.
• Experience developing and maintaining CI/CD pipelines.
• Experience with relational databases such as SQL Server, PostgreSQL, or MySQL.
• Experience with Git and modern software development practices.
• Good understanding of software testing and debugging.

Preferred Skills

• Experience with.NET Core / modern .NET.
• Experience withDocker and containerized applications.
• Experience with messaging technologies such as RabbitMQ, Kafka, SQS, or SNS.
• Experience with Redis or other distributed caching technologies.
• Experience with Prometheus, Grafana, OpenTelemetry, CloudWatch, or ELK/OpenSearch.
• Understanding of API Gateway, load balancing, service discovery, and asynchronous communication.
• Experience with automated unit, integration, and API testing.

Key Competencies

• Strong C# and software engineering skills.
• Practical understanding ofmicroservice and distributed-system architecture.
• Strong troubleshooting and problem-solving ability.
• Experience working withCI/CD and automated software delivery.
• Ability to understand application deployment and operational requirements.
• Good communication and collaboration skills.
• Ability to work independently and take ownership of assigned services.