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.Net Core / Blazor developer (M/F) - Freelance

.Net Core / Blazor developer (M/F) - Freelance

On site

London, United kingdom

Freelance

25-11-2025

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Skills

SQL CI/CD Monitoring Architecture SQL Server Azure .NET .NET Core Microservices

Job Specifications

Senior Blazor / .NET Core Developer Mission (Founding Developer Role)

We are looking for a highly skilled Senior .NET Core Developer with a passion for Blazor for a long-term contract mission, based in a central London location (hybrid 3-4 days/week on-site).

This is a brand-new role. You will be the Key/Founding Developer and a core member of the technical team building this strategic application from the ground up.

What You Will Be Doing:

Pioneer Role & Key Developer: You will initially join the Business Analyst (BA) to technically kickstart the project. The team will later be expanded with a second developer. You will be responsible for defining the initial architecture, implementing the first critical components, and ensuring code quality standards.

High-Impact Greenfield Project: Completely design and build a brand-new, complex operational module that will be the daily tool for our operations and front-office teams. Your code will have a direct and visible business impact.

Cutting-Edge Tech Stack: Work with the very latest Microsoft technologies in a modern cloud environment:

Blazor (The core UI framework for the project).
.NET Core 9 (Backend, Microservices, APIs).
Microservices Architecture and SQL Server.
Azure PaaS (CI/CD, Monitoring, Cloud-Native approach).

Your Profile (The Ideal Freelancer):

Expertise .NET & Blazor: Strong professional experience with modern .NET and Blazor (or very solid experience in similar SPA frameworks coupled with a strong interest in specializing in Blazor).
Cloud & Architecture: Good knowledge of Azure (PaaS) and microservices architectures.
SQL Server Skills: Solid understanding of data modeling and optimization concepts.
Business Engagement: You are proactive, business-oriented, and comfortable interacting directly with end-users to refine requirements.
Location: Available for hybrid work 3-4 days a week on-site in a central and prestigious area of London.

About the Company

At Darwin, our entrepreneurial vision drives us to constantly adapt in order to offer the best solutions. Breaking codes and innovating are integral parts of our DNA, both in the solutions we suggest to our clients and in the missions proposed to our consultants. This ability to adapt involves a distribution of responsibilities and decision-making powers so that everyone can propose, create, and contribute to the evolution of the company. Darwin positions itself as an entity dedicated to supporting and fostering the growt... Know more