Senior .NET Engineer - Scalable Cloud Microservices

8x8inc; Cebu City; On-site; PHP 5,764,000 - 8,646,000; Full time

Job summary

8x8 Inc. is seeking a Senior Software Engineer to join our global messaging platform and help design, develop, and evolve core services.

You will build high‑throughput RESTful APIs and backend microservices, optimize performance, and ensure quality through unit and integration tests while collaborating closely with product teams across regions.

The role requires 6+ years of professional software experience, strong C#/.NET expertise, and hands-on cloud and distributed-systems work in production.

Qualifications

• 6+ years of professional software development experience.
• Expert knowledge of .NET Core and C#.
• Strong understanding of RESTful services & microservices architecture.
• Experience with message queues (RabbitMQ or Kafka).
• Experience with cloud platforms for scalable applications.

Responsibilities

• Design and develop RESTful APIs and backend microservices.
• Improve platform performance with unit tests and integration tests.
• Collaborate with product teams to gather requirements and ensure alignment.
• Maintain high quality through CI/CD and best practices.

Skills

C#/.NET

RESTful APIs

Microservices

Async programming

RabbitMQ/Kafka

SQL/NoSQL

CI/CD

Cloud platforms

Team collaboration

Communication

Tools

Kubernetes

Istio

GitHub Copilot

CI/CD tooling

Cloud tooling

Job description

8x8 Inc. is seeking a Senior Software Engineer to join our global messaging platform and help design, develop, and evolve core services.

You will build high‑throughput RESTful APIs and backend microservices, optimize performance, and ensure quality through unit and integration tests while collaborating closely with product teams across regions.

The role requires 6+ years of professional software experience, strong C#/.NET expertise, and hands-on cloud and distributed-systems work in production.