Senior C# (ASP.Net) developer to lead a team to build custom Dynamics CRM portals utilizing Pow[...]

S.i. Systems; London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading tech provider in London is looking for a Senior C# (ASP.Net) developer to lead the development of custom Dynamics CRM portals. The ideal candidate will have over 6 years of experience, particularly in Dynamics CRM portal development, and will also mentor junior team members. This role offers a blend of remote and on-site work opportunities.

Qualifications

• 6+ years of experience as a C# (ASP.Net) developer focusing on Dynamics CRM portal development.
• Experience leading a team and coaching junior staff.
• Working knowledge of integration with Federated Authentication Services.

Responsibilities

• Gather and analyze business requirements for development.
• Liaise with users to determine solutions.
• Develop secure application code integrated with other software.

Skills

C# (ASP.Net) development

Dynamics CRM portal development

Power Platform Suite

Team leadership

Federated Authentication Services

X++

Communication skills

Job description

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Senior C# (ASP.Net) developer to lead a team to build custom Dynamics CRM portals utilizing PowerApps and Power Pages (RQ00443), London

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Client:

S.i. Systems

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

59700ae914bb

Job Views:

23

Posted:

12.08.2025

Expiry Date:

26.09.2025

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Job Description:

Our Public-sector client is seeking a Senior C# (ASP.Net) developer to lead a team to build custom Dynamics CRM portals utilizing PowerApps and Power Pages

Candidates can be % remote in Canada, working CST zone hours

Must have:

• 6+ years of experience as a C# (ASP.Net) developer focusing on Dynamics CRM portal development (CRM Online and CRM Portal)
• Experience with Power Platform Suite including Power Pages, Power Automate flows, and Power BI.
• Experience leading a team, and coaching/mentoring junior staff members
• Working knowledge of integration with Federated Authentication Services (Azure AD BC, Entra External ID)
• Working knowledge of X++

Nice to have:

• Experience with Dynamics automated data migration (KingswaySoft, automation with Azure Data Factory)
• Excellent written and verbal communication skills

Responsibilities:

• Gather and analyze information and business requirements for the development of secure functional and system design specifications.
• Liaise with users to determine appropriate solutions.
• Create and modify code, screens and reports according to published standards and considering the Information Management and Information Protection requirements for the system.
• Create and modify screens and reports.
• Develop secure application code that is integrated with other customized or commercial software programs.
• Design code and procedures for computer systems of varying sizes.
• Develop/maintain, test and implement computer systems of varying sizes. Produce/modify forms, manuals, programs, data files, and procedures for systems and/or applications.
• Verify accuracy and completeness of programs by preparing test plans and sample data, and testing them by means of unit, functional, integration, system and user acceptance testing.
• Complete quality and peer reviews as required, to ensure high quality technical deliverables and documentation.
• Assist with the implementation and secure integration of applications including Vulnerability Assessments and Transition Procedures.