COGNIZANT TECHNOLOGY SOLUTIONS ASIA PACIFIC PTE. LTD. Hiring! Full Time Senior .NET Engineer – Production Support in Islandwide (Singapore), Earn up to SGD 7,000 - Ricebowl

Key Responsibilities

• Design, develop, and maintain applications using C#, .NET Framework (.NET 4.5+), frontend frameworks, and SQL Server in a production-critical environment.
• Take end-to-end ownership of assigned modules, including development, enhancements, and defect resolution.
• Provide L2/L3 production support, including incident troubleshooting, root cause analysis (RCA), and permanent remediation.
• Manage and prioritise high-volume work queues / operations tasks, ensuring SLA compliance.
• Drive code quality and maintainability, including refactoring and reduction of technical debt.
• Collaborate with cross-functional teams to resolve integration and system dependencies.
• Review and approve technical designs, code, and documentation, ensuring adherence to standards.
• Proactively identify risks and recommend improvements to enhance system performance, stability, and observability.
• Utilise monitoring and logging tools to detect issues early, analyse system behaviour, and improve reliability.

Mandatory Requirements 

• 6–8+ years of hands-on experience in .NET development within enterprise systems.
• Strong backend expertise in:C#, ASP.NET / MVC (mandatory)SQL Server /Oracle DB (query optimization, indexing, performance tuning)
• Frontend experience in:AngularJS OR ReactJS (mandatory at least one, hands-on)Exposure to modern frontend frameworks is an advantage
• Proven experience in:Application Maintenance & Support (AMS) / production support environmentsIncident management, RCA, and issue ownership
• Mandatory experience in Public Sector / Government projects
• Experience in domain systems such as healthcare, insurance, or other large-scale transactional systems is strongly preferred
• Strong understanding of:Multi-tier architecture and system integrationsSecure coding practices
• Hands-on experience with:Version control (Git / TFS)Structured release/delivery processes (CI/CD exposure preferred)Monitoring and observability tools (e.g., logging, alerting, performance monitoring)
• Strong problem-solving mindset with excellent investigation and troubleshooting skills, with the ability to analyse complex issues, identify root causes, and implement effective resolutions in production environments
• Proven ability to operate effectively in SLA-driven environments
• Familiarity with AWS or Azure cloud environments
• Able to join within short notice (preferred: ≤ 1 month)

Advantageous Skills

• Experience in large-scale, high-transaction systems
• Exposure to microservices or API-driven architectures
• Experience with advanced monitoring, logging, and performance tuning tools

Behavioural Expectations

• Strong ownership and accountability mindset
• Ability to work independently and manage priorities effectively
• Proactive communicator with stakeholders and project managers
• Capable of guiding junior developers and enforcing best practices
• Comfortable operating in a fast-paced AMS/support environment
• Demonstrates a systematic and analytical approach to problem-solving under pressure