Senior Software Engineer (C# .Net, Gen AI) – 1-year renewable contract

Senior Software Engineer (C# .Net, Gen AI) – 1-year renewable contract

We are seeking experienced Software Engineers at Senior to Lead levels to join a major transformation initiative modernising and refactoring of enterprise core systems, supported by the implementation of Generative AI(GenAI) co-pilot capabilities to enhance coding, query generation, and overall engineering productivity.

The initiative includes the transformation of monolithic applications into basic microservices-based architecture on Azure, supported by containerisation and modern cloud engineering practices.

This role plays a key part in ongoing delivery across system migration and enhancement workstreams. Engineers will work closely with architects, business analysts, and cross-functional teams to deliver scalable solutions across complex enterprise systems supporting mission-critical, large-scale operations.

This is a long-term, renewable contract role with strong organisational commitment to Digital Transformation and AI adoption.

Key Responsibilities

• Design, develop, and maintain enterprise core systems using C#,.NET Framework 4.8, and .NET Core 10.
• Contribute to system modernisation, refactoring and digital transformation of enterprise core systems.
• Leverage Generative AI (GenAI) co-pilot tools within development activities, including AI-assisted code generation, query building, and development support.
• Involve in system migration transformation of monolithic applications into basic microservices-based architecture on Azure.
• Support database migration initiatives, including transition from MS SQL to Oracle, ensuring data integrity, performance, and system reliability across enterprise applications.
• Collaborate closely with architects, business analysts, and engineering teams to deliver end-to-end technical solutions.
• Ensure system stability, performance, and scalability across enterprise-level applications.
• Troubleshoot, debug, and enhance existing systems as part of ongoing improvement and modernisation efforts.
• Provide technical guidance, conduct code reviews, and support engineering best practices.

Requirements

• Minimum 5 years of software development experience in complex enterprise environments
• Strong hands-on experience in C# .NET (preferably .NET Core 8 and above).
• Experience working with core systems, mission-critical systems, or large-scale enterprise platforms.
• Strong experience in microservices-based architecture, system integration, and building RESTful APIs.
• Hands-on experience with Docker, Kubernetes, and Azure cloud environments.
• Experience with relational databases (MS SQL and/or Oracle preferred, especially in enterprise or migration contexts).
• Familiarity with Generative AI (GenAI), AI-enabled tools, or digital transformation initiatives is highly advantageous.
• Strong analytical and problem-solving skills in large-scale enterprise environments.
• Experience working in environments with multiple concurrent projects is highly desirable.
• Experience in ReactJS is a plus.
• Open to both strong Backend and Full Stack Engineers.

What we offer

• Opportunity to be part of one of the most exciting AI-driven transformation programs in Singapore.
• Work on cutting-edge GenAI implementations that will shape how core systems evolve over the next 5 years.
• Exposure to large-scale modernisation and innovation initiatives.
• A renewable long-term role with strong project continuity.
• Access to an established certification framework, providing opportunities for high-performing team members to obtain relevant professional certifications and further develop their skills.

This is a 1-year contract to start, renewable and convertible to permanent. If you are passionate about data engineering and enjoy working with modern data technologies, we would love to hear from you.

Please contact Jeanette or email your cv directly in word format to jeanette@Tecsasia.com

Please note that due to the high number of applications only shortlisted candidates will be contacted. We regret to inform you that your application for this position was unsuccessful if you do not hear from us in the next 5 business days.

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