Lead Software Developer - C#

Lead Software Developer (C# .NET / Azure) – Sheffield

Our client based in Sheffield is seeking an experienced Lead Software Developer to join their growing engineering team. This is an excellent opportunity for a senior technologist who combines hands-on software development expertise with strong technical leadership skills.

Working within a modern cloud-first environment, you will lead the design, development, and evolution of business-critical applications and services built on Microsoft technologies. You will play a key role in shaping technical direction, driving engineering best practices, mentoring developers, and ensuring the successful delivery of high-quality software solutions.

Key Responsibilities

• Lead the design, development, and delivery of scalable backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core)


• Define and influence software architecture, technical standards, and development best practices across the engineering team


• Design, build, and oversee the development of RESTful APIs supporting both internal and external applications


• Provide technical leadership across the full software development lifecycle, from requirements through to deployment and support


• Drive the adoption and effective use of Azure cloud services, including App Services, Azure Functions, storage solutions, and related platform services


• Mentor and support developers through code reviews, technical guidance, and knowledge sharing


• Collaborate with stakeholders to translate business requirements into scalable technical solutions


• Ensure software quality, performance, security, and maintainability through robust engineering practices


• Take ownership of technical delivery, balancing ongoing maintenance, enhancements, and strategic development initiatives


• Champion continuous improvement across development processes, tooling, automation, and engineering standards


• Leverage modern development practices, including AI-assisted development tools where appropriate, to improve productivity, quality, and delivery outcomes


• Work closely with product, business, and technical teams to support successful project delivery and innovation

• Extensive experience developing enterprise applications using C# and .NET (ideally .NET 8 and ASP.NET Core)


• Proven experience in a Lead Developer, Technical Lead, Senior Software Engineer, or similar leadership role


• Strong background in designing and building scalable RESTful APIs and backend systems


• Solid experience with Microsoft Azure cloud services, including App Services, Azure Functions, storage solutions, and cloud-native architectures


• Strong understanding of software architecture, design patterns, and modern engineering principles


• Experience leading technical decision-making and providing guidance to development teams


• Excellent problem-solving, communication, and stakeholder management skills


• Ability to balance hands-on development responsibilities with technical leadership duties


• Experience delivering software within agile or iterative development environments

• Exposure to AI-assisted software development tools, code generation platforms, and automated testing solutions


• Experience with CI/CD pipelines, DevOps practices, and infrastructure automation


• Knowledge of containerisation technologies such as Docker and Kubernetes


• Experience working with distributed systems, event-driven architectures, or microservices


• Azure certifications or equivalent cloud platform experience

• Opportunity to lead the development of modern cloud-based applications using Microsoft Azure


• Significant influence over technical strategy, architecture, and engineering direction


• A collaborative environment where technical expertise and innovation are highly valued


• Broad exposure across software engineering, cloud architecture, and technology leadership


• Flexible working arrangements


• Ongoing investment in professional development and emerging technologies


• The opportunity to make a genuine impact within a growing and forward-thinking organisation

Lead Software Developer (C# .NET / Azure) – Sheffield

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