Senior C# Backend Engineer - High-Performance Microservices

8x8, Inc.; Hinoba-an; On-site; PHP 5,929,000 - 7,905,000; Full time

Job summary

8x8 Inc. in Singapore is seeking a Senior Software Engineer to join our engineering team and help design, develop, and evolve our core messaging platform, building high‑performance, globally distributed backend services and RESTful APIs.

The ideal candidate has 6+ years of professional software development, expert knowledge of .NET Core and C#, and experience with cloud platforms, microservices, and CI/CD. Strong collaboration with product teams and a passion for quality are essential.

Qualifications

• 6+ years professional software development experience.
• Expert knowledge of .NET Core and C#.
• Strong understanding of RESTful web services and microservices architecture.
• Proficiency in multi-threaded application development and async programming.
• Experience with queue engines like RabbitMQ or Kafka.
• Working experience with SQL and NoSQL databases.
• Experience with CI/CD and unit/integration testing.
• Hands-on cloud platform experience for scalable apps.

Responsibilities

• Design and develop new RESTful APIs and backend microservices.
• Optimize platform performance with unit tests and integration tests.
• Collaborate with product team on requirements and roadmap.

Skills

NET Core

C#

RESTful services

Microservices

Async programming

RabbitMQ

Kafka

SQL

NoSQL

CI/CD

Unit testing

Cloud platforms

Team collaboration

Strong communication

Tools

Kubernetes

Helm

Istio

AWS

Google Cloud

Microsoft Azure

GitHub Copilot

LLM APIs

Job description

8x8 Inc. in Singapore is seeking a Senior Software Engineer to join our engineering team and help design, develop, and evolve our core messaging platform, building high‑performance, globally distributed backend services and RESTful APIs.

The ideal candidate has 6+ years of professional software development, expert knowledge of .NET Core and C#, and experience with cloud platforms, microservices, and CI/CD. Strong collaboration with product teams and a passion for quality are essential.