Senior .Net Developer at Robert Walters

Position Overview

• Our client is seeking a highly experienced Senior .NET Developer with deep technical expertise across the Microsoft technology stack. This is a critical hire for someone who understands systems end-to-end — from database architecture and optimisation through to API design and scalable backend services.
• This role requires a very senior engineer who combines strong corporate experience with hands-on technical depth, and who actively leverages AI tools to enhance productivity, code quality, testing, and solution design.

Key Responsibilities
Architecture & Development

• Design, develop, and maintain enterprise-grade applications using .NET and C#.
• Build and optimise RESTful APIs and backend services.
• Architect and maintain robust database structures (SQL Server or similar), ensuring performance and scalability.
• Drive system performance tuning, security, and reliability best practices.
• Contribute to high-level architectural decisions and technical strategy.

AI-Enabled Engineering

• Use AI development tools to supercharge coding efficiency, debugging, refactoring, and documentation.
• Apply AI-assisted approaches to testing, code review, and architectural planning.
• Contribute to integrating AI-driven capabilities into products where appropriate.
• Stay current with emerging AI tooling and modern engineering practices.

Corporate & Enterprise Delivery

• Operate effectively within structured corporate governance and compliance environments.
• Collaborate closely with cross-functional teams including Product, Risk, Operations, and Leadership.
• Ensure solutions meet enterprise standards for scalability, maintainability, and security.

Technical Leadership

• Provide mentorship and guidance to mid-level and junior developers.
• Promote engineering excellence, clean code principles, and best practices.
• Support continuous improvement of development frameworks, standards, and tooling.

Qualifications / Required Skills

• 8+ years of experience in .NET and C# development.
• Strong expertise across the Microsoft stack (.NET Core, ASP.NET, SQL Server; Azure is advantageous).

Deep understanding of:

• Database design and optimisation
• API architecture and integration
• System scalability and performance engineering
• Proven experience within corporate or enterprise environments.
• Demonstrated ability to effectively use AI tools to enhance development workflows.
• Strong understanding of software architecture principles and clean coding standards.
• Excellent analytical, problem-solving, and communication skills.

Nice to Have

• Experience with Azure cloud architecture and DevOps practices (CI/CD, containerisation).
• Exposure to AI/ML concepts or experience integrating AI services into applications.
• Experience in fintech, financial services, or regulated environments.
• Experience working in distributed or international teams.