Senior .Net Developer

Salary: £40,000 - 70,000 per year

Requirements:

• At least 5 years of enterprise software development experience.
• Strong proficiency in .NET Core and ASP.NET for building secure, scalable applications.
• Solid experience working with Microsoft SQL for data storage, querying, and performance optimisation.
• Hands-on experience with Angular for front-end development and user interface implementation.
• Practical experience configuring connectors for Active Directory, Microsoft SQL, and web services/REST within IAM solutions.
• Experience with cloud-based deployments and technologies on Azure and/or AWS.
• Experience integrating with IT service management tools, including JIRA and Confluence.
• Proficiency in integrating and configuring at least one market-leading IAM platform, such as SailPoint, CyberArk, HashiCorp, or Centrify.
• Experience with SailPoint IdentityNow, including application integrations and advanced or custom connectors.
• Ability to analyse issues and deliver software solutions and fixes independently, with limited supervision.
• Good awareness of IAM tools and the broader IAM technical landscape, including technological developments and trends.
• Strong communication and collaboration skills for working with business owners, cross-functional teams, and third parties.
• Ability to monitor system performance trends and identify potential issues in complex environments.

Responsibilities:

• Produce clear, comprehensive IAM technical documentation, process guides, and training materials to support implementation and ongoing operations.
• Act as a subject matter expert, providing informed input and recommendations to management on IAM strategy, tooling, and best practices.
• Maintain strong awareness of the wider IAM tools landscape, including emerging technologies, developments, and industry trends.
• Work closely with business owners, technical teams, and third-party providers to coordinate activities and ensure technical milestones are met.
• Configure and implement integrations with more than one market-leading IAM solution, such as SailPoint, CyberArk, HashiCorp, or Centrify.
• Support the implementation of Role-Based Access Control (RBAC) models, ensuring appropriate access design and governance.
• Demonstrate a driven, proactive attitude with a strong sense of ownership for deliverables and technical outcomes.
• Carry out application integrations with SailPoint IdentityNow, including advanced or custom connectors tailored to specific business systems.
• Analyse issue reports, diagnose root causes, and develop software fixes and enhancements, taking responsibility for delivery with limited supervision.
• Monitor system performance trends for IAM and related applications, identifying potential issues and recommending improvements.
• Contribute to quality assurance activities, including usability testing, performance testing, automated testing, and the creation of test scripts, test cases, and test plans.
• Leverage security software and internal IT audit practices where relevant to strengthen controls and compliance within IAM solutions.
• Configure connectors for Active Directory, Microsoft SQL, and web services/REST to support identity and access provisioning.
• Integrate IAM solutions with IT service management tools, including JIRA and Confluence, to streamline workflows and governance.
• Automate SailPoint configuration using tools such as Ansible, Nexus, and GitHub to support efficient, repeatable deployments.
• Work with cloud-based deployments and technologies (Azure and/or AWS) to deliver scalable, secure IAM services.
• Apply container concepts, including Docker and Kubernetes, to support modern deployment patterns for IAM-related applications.

Technologies:

• ASP.NET
• AWS
• Active Directory
• Angular
• Ansible
• Azure
• Cloud
• Confluence
• Docker
• GitHub
• IAM
• Support
• JIRA
• Kubernetes
• Network
• Nexus
• REST
• RBAC
• SQL
• Security
• Web

More:

We are recruiting for a Senior .NET Developer in Sheffield, UK, with a daily rate of GBP 400.00 to 450.00. We are TEKsystems, part of the Allegis Group network, and operate within a global group of brands. Our hiring and privacy practices are managed in line with our Online Privacy Notice.

last updated 30 week of 2026