Senior Application Support Engineer (Client Platform)

Unitrade 745 (Pty) Ltd; Cape Town; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Unitrade 745 (Pty) Ltd is seeking a Senior Application Support Engineer to own complex client-facing issues across application code, desktop, server environments and enterprise networks. You will diagnose C# code, troubleshoot Vue.js and Electron apps, and perform safe Angular fixes as needed.

The role requires hands-on experience with Windows/Linux servers, Azure Monitor, and strong communication skills. You will work remotely with enterprise IT teams and contribute to improved documentation

Qualifications

• 5+ years in technical support, solutions engineering or platform engineering.
• Minimum 2 years in client-facing capacity.
• Hands-on C#; diagnose application code and stack traces.
• Proficient in Vue.js and Electron diagnostics.
• Working knowledge of Angular core concepts (components, services, routing, state).
• Comfortable with Windows and Linux CLI.
• Experience troubleshooting complex enterprise infrastructure and networking issues.
• Proficient with Azure Monitor and Log Analytics.
• Clear written and verbal communication; ownership-driven problem solving.

Responsibilities

• Diagnose and resolve complex application, desktop and server-side issues.
• Read and interpret C# code, stack traces, logs and application behaviour.
• Troubleshoot Vue.js and Electron applications, including DevTools, IPC, packaging and auto-update issues.
• Make small, safe fixes within an Angular web app when required.
• Install, configure and troubleshoot .NET console apps across Windows and Linux servers.
• Investigate firewall, proxy, certificate and network-path issues in enterprise environments.
• Use Azure Monitor and Log Analytics for troubleshooting and proactive issue identification.
• Conduct remote installations, technical walkthroughs and troubleshooting sessions with enterprise IT teams.
• Own technical cases through to resolution and improve documentation and processes.

Skills

C# expertise

Vue.js

Electron

Angular

CLI usage

Communication skills

Ownership mindset

Client-facing

Problem solving

Crypto?

Tools

Azure Monitor

Log Analytics

Job description

Our client is seeking a technically strong Senior Application Support Engineer to take ownership of complex client-facing application issues across application code, desktop technologies, server environments and enterprise networks. This is an opportunity for a hands-on technical professional who enjoys solving problems end to end rather than simply escalating them.

Key Responsibilities

• Diagnose and resolve complex application, desktop and server-side technical issues.
• Read and interpret C# code, stack traces, logs and application behaviour.
• Troubleshoot Vue.js and Electron applications, including DevTools, state management, IPC, packaging and auto-update issues.
• Make small, safe fixes within an Angular web application when required.
• Install, configure and troubleshoot .NET console applications across Windows and Linux server environments.
• Investigate firewall, proxy, certificate, allowlisting and network-path issues within enterprise environments.
• Use Azure Monitor and Log Analytics for operational troubleshooting and proactive issue identification.
• Conduct remote installations, technical walkthroughs and troubleshooting sessions with enterprise IT teams.
• Own technical cases through to resolution and improve documentation and troubleshooting processes.

Requirements

• 5+ years' experience in technical support, solutions engineering or platform engineering.
• At least 2 years' client-facing experience.
• Hands-on C# experience with the ability to diagnose application code and stack traces.
• Strong hands-on Vue.js and Electron diagnostic experience.
• Working knowledge of Angular, including components, services, routing and state.
• Comfortable working from the command line in Windows and Linux environments.
• Experience troubleshooting complex enterprise infrastructure and networking issues.
• Proficiency with Azure Monitor and Log Analytics.
• Strong written and verbal communication skills.
• A methodical, ownership-driven approach to technical problem solving.