Lead Software Engineer

Lead Software Engineer - .NET 8 | 600/day Outside IR35 | Manchester (Hybrid/Remote 2x per week maximum onsite)

Were looking for a Lead Engineer (Contract) to drive the development of scalable, secure, and high-performance cloud-native applications using .NET 8 and AWS . This is a hands-on leadership role, ideal for someone who thrives in a microservices-driven environment , mentors teams effectively, and brings deep technical expertise across design, architecture, and cloud platforms.

Key Responsibilities

• Lead a development team, ensuring technical excellence and adherence to best practices
• Architect and build cloud-native applications using .NET 8, AWS, Docker, and Terraform
• Design and implement secure authentication and authorisation systems (OAuth, OIDC) using tools such as Okta, Auth0, Passport, or IdentityServer
• Promote and implement CI/CD , TDD , and DevOps methodologies to streamline delivery
• Collaborate closely with architects, product managers, and stakeholders to shape technical strategy
• Solve complex engineering challenges to enhance scalability, resilience, and performance

Technical Stack

Backend: .NET 8, C#, AWS Lambda, ECS Fargate, EKS

Databases: DynamoDB, Aurora, DocumentDB (MongoDB experience a bonus)

Auth/Identity: OAuth, OIDC, Okta, Auth0, Passport, IdentityServer

DevOps & Infrastructure: Terraform, GitHub Actions, Docker

Event Systems: Kafka, AWS MSK, EventBridge, SNS/SQS

Frontend: React

Must Have

• Proven track record of integrating or building authentication and authorisation solutions (OAuth, OIDC)
• Experience with AWS (DynamoDB, ECS Fargate)
• Strong ASP.NET and C# development experience
• Excellent software design skills (design patterns, application design for scalability and resilience)

Good to Have

• Infrastructure as Code experience (Terraform, Ansible, etc.)
• Containerisation knowledge (Docker, Kubernetes)
• Previous software architecture experience
• Familiarity with observability tools (CloudWatch, Sentry, Splunk, New Relic)

This is a fantastic opportunity to take ownership of a high-impact project, lead a skilled engineering team, and shape modern, cloud-first systems using the latest Microsoft and AWS technologies.

Apply now for immediate consideration.