Senior Application Support Engineer (Contract)

Salary: ฿90,000 – ฿120,000 per month

Job Description:

C# and .NET 10 Application Troubleshooting:

• Review and understand the existing C# and .NET 10 codebase, architectures, dependencies, configurations, APIs, and data flows.

• Investigate reported incidents, exceptions, and logs to identify root causes and implement effective workarounds or permanent bug fixes.

• Utilize approved AI Agents to facilitate code search, code analysis, bug fixing, and test generation while independently reviewing and verifying all generated code before submission.

• Conduct functional and regression tests, document causes and impacts, and prepare deployment or rollback plans.

• Maintain and support all target platform applications, including AskMeGC components, DocuMine, PRAT, Marchive, GCStandOut, SparePart Resell, SMILE, on-flow applications, and e-Legal.

Operational Tools, Utilities, and Management Reports:

• Develop scripts, utilities, and automation tools using AI Agents for data migration, data patching, reconciliation, and other approved operational needs.

• Implement safe data operation workflows, including input validation, preview/dry-run mechanisms, execution logs, and rollback/recovery procedures prior to production changes.

• Build, validate, and deliver operational and executive management reports by reconciling figures against source data and clarifying any assumptions or limitations.

• Support the design, proof-of-concept (POC), and delivery of new enhancements, use cases, and automations following approved change control procedures.

Microsoft Azure Platform & Integration Support:

• Troubleshoot and support platform workloads hosted on Azure Container Apps (e.g., startup/runtime errors, logs, revisions, scaling, ingress, and connectivity).

• Investigate and resolve access, upload/download, and storage issues on Azure Blob Storage.

• Support Microsoft Entra ID authentication, authorization, app registrations, managed identities, and access issues.

• Monitor and debug Azure Functions regarding execution, triggers, bindings, configurations, and failures.

• Oversee platform data integrations and daily batch operations, including Microsoft Fabric, Redshift, SharePoint, and the e-Legal batch process.

User Support and Technical Communication:

• Log, prioritize, and manage incidents and service requests in the designated tracking system.

• Communicate workarounds, status updates, and resolutions clearly to business users in Thai, and handle technical coordination and documentation in English.

• Maintain operational knowledge articles, user guidance, and incident resolution records.

Qualifications:

Education & Experience:

• Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or a related field (or equivalent professional experience).

• Proven experience in Application Support (L2/L3) or Software Development.

Technical Competencies:

• C# / .NET: Strong hands-on C# and .NET development skills to understand, debug, modify, and test complex codebases (with a focus on .NET 10).

• AI-Assisted Development: Practical ability to utilize AI Agents / Generative AI tools to accelerate code investigation, bug fixing, test suite preparation, and script/utility creation, with the capability to review and validate AI-generated code for correctness, security, and policy compliance.

• Cloud Services (Microsoft Azure): Solid working knowledge of Azure services, specifically Azure Container Apps, Azure Blob Storage, Microsoft Entra ID, and Azure Functions (experience in AWS or GCP is an advantage).

• Data & Database Operations: Proficiency in querying, validating, reconciling, migrating, and patching data safely across relational databases and platform data interfaces.

• Tools & Integration: Familiarity with source control systems, CI/CD change management processes, and data integrations (e.g., Microsoft Fabric, SharePoint, Redshift).

Professional & Soft Skills:

• Strong diagnostic, analytical, and root-cause problem-solving capabilities.

• High service orientation with the ability to translate complex technical concepts into user-friendly explanations for non-technical business stakeholders.

• Effective bilingual communication skills: fluent in Thai for user support and proficient in English for technical documentation and cross-team coordination.

• High awareness of data governance, security policies, and personal data protection regulations (PDPA).