Technical Support Specialist - Developer

Five9

📍 Manila, Metro Manila, Philippines

Full-time Computer Occupations Posted March 01, 2026

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Job Description

                    Responsibilities: 

Advanced Technical Troubleshooting
Diagnose and resolve escalated cases requiring deep knowledge of .NET Core, ASP.NET, MVC, Web API, microservices, WebSockets, distributed systems, and backend integrations.

Perform code-level analysis, including interpretation of C#, .NET logic, service dependencies, object models, and API flows.

Troubleshoot across the full stack: backend services, API layers, client–server communication, SQL queries, cloud components, and containerized applications.

Reproduce complex scenarios, isolate defects, evaluate performance issues, and validate engineering patches or workarounds.
Programming & System Expertise
Apply working knowledge of C#, .NET, JavaScript, TypeScript, SQL, and other relevant programming languages to diagnose technical issues.

Understand software architecture, including SOLID principles, design patterns, multi...
                

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Job Details

Location

Manila, Metro Manila, Philippines

Job Type

Full-time