Senior.NET Developer

ITR | part of Ascent International Group; Remote; GBP 80,000 - 100,000; Full time

Job summary

A technology company is seeking a Senior .NET Developer for a remote greenfield project, focusing on a secure and scalable licensing and CRM platform. The successful candidate will develop web applications using .NET technologies and Kendo UI. This role further emphasizes expertise in SQL Server and API integrations. The contract is set to start in January 2026 for 6 months with potential extensions, providing opportunities to work collaboratively within an agile environment.

Qualifications

• Expertise with Kendo UI (Telerik) for UI components.
• Advanced .NET MVC and C# development experience.
• Strong SQL Server knowledge in indexing and optimization.
• Experience integrating 3rd-party APIs.
• Understanding of Git and CI/CD pipelines.

Responsibilities

• Develop a web-based licensing and CRM application.
• Build responsive UI components with Kendo UI.
• Create scalable server-side logic with .NET MVC.
• Design SQL Server schemas and optimize performance.
• Integrate with external services like payment gateways.

Skills

Kendo UI (Telerik)

.NET MVC / C#

SQL Server

REST / SOAP APIs

Git

CI / CD pipelines

Secure coding principles

Communication

Problem-solving

Job description

Senior .NET Developer (Licensing & CRM System) – Remote – Outside IR35

We’re supporting an exciting greenfield project and are looking for an experienced Senior .NET Developer to join on a fully remote , outside IR35 contract starting January 2026 . This is a 6-month engagement with strong potential to extend.

You’ll be contributing to the development of a secure, scalable licensing and CRM platform built with modern .NET technologies, rich UI frameworks, and robust data architecture. If you enjoy shaping complex systems end-to-end, this one’s for you.

Contract Details

• Start Date : January 2026
• IR35 : Outside
• Location : Remote
• Contract Length : 6 months (potential to extend)
• Rate : Negotiable (speak to recruiter)

What You’ll Be Working On

• Developing a high-performance web-based licensing & CRM application.
• Building responsive, data-driven UI components using Kendo UI (Telerik).
• Creating scalable server-side logic, APIs, and services with .NET MVC (C#).
• Designing and optimising SQL Server schemas, stored procedures, and queries.
• Integrating with external services such as payment gateways and regulatory APIs.
• Working within an agile environment using Jira, contributing to sprints, reviews, and iterative releases.
• Ensuring strong security, performance, and code quality standards throughout delivery.

What You’ll Bring

• Proven expertise with Kendo UI (Telerik) – grids, forms, charts, schedulers, etc.
• Advanced .NET MVC / C# development experience (Razor, Entity Framework).
• Strong SQL Server knowledge : indexing, optimisation, T‑SQL, schema design.
• Experience integrating 3rd-party REST / SOAP APIs.
• Good understanding of Git, CI / CD pipelines, and secure coding principles.
• Excellent communication and problem-solving abilities.

Nice to Have : OAuth / Identity management experience (e.g., Azure AD).

How the Team Works

• Structured 2-week sprints using Jira.
• Frequent feature releases and stakeholder demos.
• Collaborative environment with a strong emphasis on quality and usability.

Interested?

If you're a senior-level .NET Developer who excels in enterprise builds and modern UI frameworks, this contract offers both challenge and impact.

Get in touch for full details or to arrange a confidential chat.