Senior .NET Backend Engineer — Cloud Microservices

8x8; Cebu City; On-site; PHP 5,991,000 - 8,987,000; Full time

Job summary

8x8 is seeking a Senior Software Engineer to design and build high‑throughput RESTful APIs and backend microservices for a global messaging platform. You will optimize performance, implement unit and integration tests, and work with product teams to align requirements and deliver robust software.

Ideal candidates bring 6+ years of experience, deep .NET Core and C# skills, and hands-on cloud, CI/CD, and distributed systems knowledge.

Qualifications

• 6+ years of 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 software engineering best practices (unit testing, integration testing, CI/CD).
• Hands-on experience utilizing cloud platforms to develop scalable and reliable applications.
• A team player who thrives in cross-functional environments, collaborating closely with product team, and stakeholders.
• Strong communicator who proactively drives alignment between engineering and business teams.

Responsibilities

• Design and develop new RESTful APIs and backend microservices for our messaging platform.
• Optimize performance and ensure high quality with unit tests and integration test design.
• Collaborate with product teams to gather requirements and deliver reliable software.

Skills

C#

.NET Core

RESTful services

Microservices

RabbitMQ

Kafka

SQL

NoSQL

Async programming

CI/CD

Cloud platforms

Unit testing

Integration testing

Team collaboration

Communication skills

English fluency

Tools

Docker

Kubernetes

Job description

8x8 is seeking a Senior Software Engineer to design and build high‑throughput RESTful APIs and backend microservices for a global messaging platform. You will optimize performance, implement unit and integration tests, and work with product teams to align requirements and deliver robust software.

Ideal candidates bring 6+ years of experience, deep .NET Core and C# skills, and hands-on cloud, CI/CD, and distributed systems knowledge.