[Hiring] C# Software Engineer @8x8

Role Description

Are you ready to take on an exciting opportunity as a Senior Software Engineer for a global messaging platform? If you have experience in developing high-performance, reliable, and globally distributed services, we want to hear from you! We are looking for a talented individual to join our Engineering team in Singapore and play a key role in the design, development, and evolution of our core messaging platform.

As a Senior Software Engineer, you will have the opportunity to:

• Expand our platform by designing and developing new RESTful APIs and backend microservices.
• Optimize and improve the performance of the platform, ensuring the highest quality with unit tests.
• Participate in integration test design.
• Collaborate with the product team on requirements.

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.
• Strong communicator who proactively drives alignment between engineering and business teams.

Requirements

• Bonus points for hands-on experience with highly loaded, mission-critical, scalable distributed systems in production.
• Experience with cloud providers (AWS, Google Cloud, Microsoft Azure).
• Experience with Kubernetes, Helm, and Istio (or any other service mesh) in production.
• Exposure to the communications or messaging domains is also an advantage.
• Experience leveraging AI tools and frameworks (such as GitHub Copilot, Claude, or LLM APIs) to accelerate software delivery.
• Candidates who have designed or built AI agents — whether for workflow automation, developer productivity, or customer-facing features — are strongly preferred.

Benefits

• 8x8 is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics.
• For 8x8 jobs located in the US: 8x8 participates in the E-Verify program.
• We also provide reasonable accommodation to individuals with disabilities in accordance with applicable laws.