Principal Engineer - Applications Development

Job description:

We are looking for a skilled .NET Developer with strong SQL knowledge and preferred exposure to the MEAN stack, along with familiarity with AI tools and AI-assisted development practices.

Role summary:

The .NET Developer will design, develop, and support enterprise applications and services with a strong focus on .NET, SQL, and solution reliability. The role also values experience with modern web technologies, cross-functional delivery, and the ability to use AI-enabled tools to improve productivity and quality.

Key responsibilities:

• Develop and maintain scalable applications using .NET technologies.
• Design, write, and optimize SQL queries, stored procedures, and database objects.
• Build and support secure, high-quality backend services and APIs.
• Collaborate with product, QA, and infrastructure teams to deliver enhancements and production support.
• Participate in code reviews, testing, debugging, and performance tuning.
• Support troubleshooting and root-cause analysis for application and database issues.
• Contribute to design discussions, technical estimation, and delivery planning.
• Use AI tools and AI-assisted development capabilities to improve development speed, code quality, testing, and documentation.
• Apply secure coding practices and follow engineering standards throughout the delivery lifecycle.

Required skills and experience:

• Strong hands-on experience in .NET development.
• Strong SQL knowledge, including queries, stored procedures, and relational database concepts.
• Good understanding of object-oriented programming, API development, and software engineering principles.
• Experience with debugging, unit testing, and performance optimization.
• Ability to work effectively in a collaborative, global delivery environment.
• Strong communication skills and a proactive approach to problem-solving.

Preferred skills:

• Exposure to the MEAN stack, especially Angular, Node.js, and MongoDB.
• Familiarity with web application development and modern UI integration patterns.
• Experience with CI/CD pipelines, Git, and DevOps practices.
• Exposure to cloud environments, containerization, or Kubernetes is an added advantage.
• Experience using AI coding assistants, prompt-based tools, or AI-assisted testing/documentation workflows.

What you need to have:

• Minimum 12 months experience as Principal Engineer/Senior Principal Engineer.
• Should have at least "On track" or above in last appraisal.
• Should not be under any Performance Continuity Plan, or had any official Disciplinary action within the last 3 months.
• Should not have applied for any other IJP within Marsh McLennan in the last 3 months.

What success looks like:

• Delivers reliable and maintainable .NET solutions with strong database support.
• Improves delivery efficiency through effective use of AI tools and automation.
• Works well across teams and supports business priorities on time.
• Contributes to a stable, scalable, and collaborative engineering environment.

Skills

.NET, API, SQL