10 of 10 Contract C# Jobs in the City of London

C# Developer

Hiring Organisation
VIQU IT
Location
London, City of London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
C# Developer – 6-month contract – London – SC Cleared – Inside IR35 My Financial Services customer is looking for a C# Developer, that will play a key role in designing and building components of a synchronisation platform. You will work across backend and frontend technologies to enhance the Lab environment, implement feedback … joining a collaborative, forward-thinking engineering team delivering scalable, secure, and high-performing solutions within Azure. Skills & Experience required from the C# Developer Active SC Clearance Strong hands-on development experience with C# and .NET Solid SQL and database development expertise Experience building modern web applications using Angular, HTML ...

Umbraco Developer

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Umbraco websites to version 17.2 - this is essential Strong commercial background with Umbraco 10+ and modern .NET (6/7/8) Proficiency in C#, MVC, Razor, and dependency injection patterns Hands-on experience migrating content models, document types, data types, and packages - including replacing deprecated or incompatible components Solid ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Experience aligning solutions with privacy and compliance requirements (e.g., GDPR , ISO 27001 controls) and completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Mode of working: Hybrid(3 days) Work locations: London ...

Junior C# Developer

Hiring Organisation
VIQU IT
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 350 Daily
Junior C# Developer 6-month contract London SC Cleared Inside IR35 My Financial Services customer is looking for a Junior C# Developer, that will play a key role in triaging and resolving technical queries during the development of the Synchronisation Lab to act as a platform for industry to demonstrate … cases and understand business models for synchronisation. The Junior C# Developer will proactively engage with Product and development teams to ensure timely responses to queries. You ll be joining a collaborative, forward-thinking engineering team delivering scalable, secure, and high-performing solutions within Azure. Junior C# Developer Skills & Experience required ...

Backend Developer

Hiring Organisation
Sanderson Government and Defence
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 420 Daily
Strong foundation in software development with C# and TypeScript. - Experience with AI/LLM concepts (e.g., prompt engineering, RAG). - Analytical mindset for assessing sufficiency (relevance, completeness, freshness) and mitigating risks like hallucinations. - Focus on Clean Architecture and Clean Code principles. Reasonable Adjustments: Respect and equality are core values ...

Backend Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £420 per day + Inside IR35
Strong foundation in software development with C# and TypeScript. - Experience with AI/LLM concepts (e.g., prompt engineering, RAG). - Analytical mindset for assessing sufficiency (relevance, completeness, freshness) and mitigating risks like hallucinations. - Focus on Clean Architecture and Clean Code principles. Reasonable Adjustments: Respect and equality are core values ...

Junior C# Developer - SC Cleared

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - 350 per day + Inside IR35
Junior C# Developer – 6-month contract – London – SC Cleared – Inside IR35 My Financial Services customer is looking for a Junior C# Developer, that will play a key role in triaging and resolving technical queries during the development of the Synchronisation Lab to act as a platform for industry to demonstrate … cases and understand business models for synchronisation. The Junior C# Developer will proactively engage with Product and development teams to ensure timely responses to queries. You'll be joining a collaborative, forward-thinking engineering team delivering scalable, secure, and high-performing solutions within Azure Junior C# Developer Skills & Experience required ...

C# .NET Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
C# .NET Developer Contract Daily Rate: £600 - £650 (inside IR35 via umbrella) Contract Length: 6 months initially Location: Hybrid Working - 2/3 days onsite per week Our client, a leading organisation in the tech sector, is seeking a talented C# .NET Developer to join their dynamic team … passionate about software development and are eager to tackle exciting challenges, we want to hear from you! Key Responsibilities: As a C# .NET Developer, you will: Understand business requirements and design applications that meet those needs. Engage in business data analysis to inform application design and development. programme in Visual ...

C# Developer (Quant, Commodities)

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£880 - £900 per day
Front Office C# Developer (Quant, E-Trading and Commodities) Quant Day Rate: Up to £900 (Via Umbrella) E-Trading and Commodities Day Rate: Up to £750 (Via Umbrella) Working Arrangement: Hybrid (3 Days P/W Onsite Marylebone) Duration: 6 months (initial) A leading Global Markets business is expanding across … three front-office technology teams and is seeking experienced C# Developers to join their Quant, E-Trading and Commodities groups. These roles sit close to the business, working directly with traders, quants and cross-functional partners to build high-performance systems that support pricing, execution, liquidity, balance sheet optimisation ...

C# Developer (Quant, Commodities)

Hiring Organisation
Sanderson Recruitment
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 880 - 900 Daily
Front Office C# Developer (Quant, E-Trading and Commodities) Quant Day Rate: Up to £900 (Via Umbrella) E-Trading and Commodities Day Rate: Up to £750 (Via Umbrella) Working Arrangement: Hybrid (3 Days P/W Onsite Marylebone) Duration: 6 months (initial) A leading Global Markets business is expanding across … three front-office technology teams and is seeking experienced C# Developers to join their Quan click apply for full job details ...