💼 Full-Time Position

C# .Net Developer

🏢
Randstad Technologies Recruitment
📍 London, London, United Kingdom
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Location
London, United Kingdom
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Posted
June 24, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Senior C# / .NET Developer (Securities Lending & Repo)

Role Type: 6-Month Contract
Location: London (Hybrid - 3 days onsite per week)
IR35 Status: Inside IR35

Role Overview

A leading global financial services and asset servicing institution is seeking an experienced Senior C# / .NET Developer to join a business-critical technology team in London.

This role focuses on designing, building, and supporting high-performance platforms for the firm's financing-related businesses, with a primary emphasis on Securities Lending and Repo workflows.

Required Skills & Experience

Core Technical Skills:

Strong hands-on expertise in C# and .NET / .NET Core.
Deep understanding of Object-Oriented Programming (OOP) and architectural design principles.
Proven experience building and implementing REST / JSON APIs.
Solid experience with relational databases (e.g., SQL Server).
Familiarity with unit/integration testing and automated ...