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Full-stack software developer (.NET/C#)

COSO SDN BHD · Subang Jaya, Selangor

📅 06/08/2026
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Key Responsibilities Full-Stack Development: Write clean, maintainable, and scalable code across the full stack (APIs, core services, and UI) using .NET 10 and modern front-end frameworks. All-Round Problem Solving: Investigate, debug, and resolve complex issues across the end-to-end platform, from database performance to UI edge cases. On-Call & L3 Support: Participate in on-call rotations, diagnosing high-priority technical issues and delivering root-cause code fixes. Technical Writing: Document system workflows, root-cause analyses, and feature updates in the internal Knowledge Base for global team handovers. Continuous Growth: Work alongside senior architects to broaden your technical domain knowledge and refine engineering practices. What We’re Looking For Work Authorization: Must have the legal right to work in Malaysia at the time of application (we cannot provide visa sponsorship or relocation support). 3+ years of professional experience with C# / .NET. Strong all-rounder capabilities across backend systems (REST APIs, data persistence) and modern front-end frameworks (Angular/React/MVC). Adaptable problem-solving mindset with a drive to navigate and debug complex enterprise codebases. Fluency in English (written and spoken). Success Looks Like (First 12 Months) Graduated from assisting to fully owning the end-to-end development, testing, and deployment of product modules. Reduced time-to-resolution for Tier-3 tickets by mastering the full production codebase. Became a consistent contributor to the global technical library by documenting system behavior and resolution pathways. Our Culture & Standards Global Impact: We provide mission-critical support to global enterprises. Our Malaysia hub is the cornerstone of our "follow-the-sun" model, providing vital daylight coverage for our global operations. Modern Tech: Spend most of your time developing features in .NET 10 and Azure. European Work Culture: We value open communication, flat hierarchies, and mutual respect. Pragmatic Workflow: We use a flexible process (Scrumban-inspired) that prioritizes quality and delivery. Technical Discipline: We follow high standards for documentation and traceability (ISO-aligned). Local Growth: As we establish our presence, we are focused on hiring talent with existing work authorization in Malaysia (no visa sponsorship or relocation support provided).
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