451 to 475 of 510 C# Jobs in London

C# .NET FinTech Developer — FX & Fixed Income

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fast-growing dynamic brokerage firm in London seeks a C# .NET Software Developer to re-architect and build their middle office platform. The role requires 3-5 years of experience with Microsoft web technologies and SQL Server, with a strong emphasis on relationship building in a fast-paced environment. Candidates ...

Software Developer - DV Cleared - Various Locations

Hiring Organisation
Matchtech
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 600 Daily
Our client, a prominent entity in the Defence & Security sector, is currently seeking a skilled Software Developer to join their team on a contract basis. This role is integral to enhancing and securing modern technology ...

Hybrid Fullstack Engineer (TypeScript/C#) — AI-Driven SaaS

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
join our London team in a hybrid role with two days per week at our HQ. You’ll work on a dual-stack C#/.NET and TypeScript frontend, building scalable APIs and modern microfrontends for the estate industry. You’ll own features end-to-end, collaborate with product ...

C# Developer - Front Office Engineering Hedge Fund - London - eFinancialCareers

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with pragmatic, commercial solutions. You'll have direct interaction with PMs, quants, and the CTO, contributing across design, architecture, and production support. Tech Environment C# and .NET are central to the team's core systems Python is widely used across quant and data groups Open to candidates from other … essential, but interest in Fixed Income/Rates is beneficial Requirements Strong academic background in Computer Science or related field Excellent programming ability in C# and .NET Experience with large or complex data sets 1-5 years' experience in a software engineering role Interest in finance; exposure to fixed income ...

Junior C# Quant Developer - Hybrid London (Mentorship & Impact)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role: Junior C# Quantitative Developer Client: Leading Hedge Fund Compensation: Competitive Base + Performance Bonus Location: London (Hybrid) Overview Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants, traders, and engineers. This … intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools. Key responsibilities include: • Developing and maintaining high-performance C# applications used across research, risk management, and live trading. • Collaborating with quants to implement complex pricing models and robust backtesting frameworks. • Enhancing data processing pipelines ...

Hybrid C# Full-Stack Engineer (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ICAP is seeking a Full Stack C# engineer to design and deliver scalable applications powering critical market infrastructure. You will work across frontend and backend layers using TypeScript, React and C#, with a focus on security, performance, and maintainability. The role involves collaborating with product owners, architects, and engineers ...

Senior C# Lead Developer - Financial Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Gujral is seeking a Senior Lead C# Software Developer to join close to London Bridge. The role requires 5 to 10 years of solid expertise in developing financial systems, with a focus on robust back-end delivery. The ideal candidate will have extensive experience in C# development for banking ...

FX Pricing Developer / C# developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Overview We are currently seeking an experienced FX Pricing Developer/C# Developer to join a leading Global Markets technology team based in London. The successful candidate will work across FX Deal Capture, Pricing & Risk Batch Processing, and Distributed/Grid Computing platforms, delivering both business-as-usual enhancements … deployment and support. Ensure solutions are scalable, resilient and capable of supporting high-volume processing workloads. Required Skills & Experience Strong commercial development experience with C# and .NET. Experience working within distributed or grid computing environments. Strong understanding of component-based and service-oriented application development. Hands-on software engineering background ...

.NET Developer - London - £500-550 per day

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
.NET Developer – London - £500-550 per day (.NET, C#, SQL, AWS, API Development) We’re working with an industry leading e-commerce site that are looking for several .NET Developers to join them for an initial 6-month projects as part of an ongoing transformation. These roles will require travel … prem environments into AWS-hosted solutions. Working alongside existing engineering teams that already own the services and understand the business logic. Technical requirements C# .NET/.NET Core API development SQL .NET upgrade programmes Cloud-native migrations Interview slots are available for next week. (.NET, C#, SQL, AWS, API Development ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum
team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural … improvement of development processes and tooling Required Skills & Experience BSc (or higher) in Computer Science or a related scientific discipline Strong recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural … improvement of development processes and tooling Required Skills & Experience BSc (or higher) in Computer Science or a related scientific discipline Strong recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding ...

Full Stack .Net Developer

Hiring Organisation
Eligo Recruitment
Location
City of London, London, United Kingdom
looking to recruit an experienced senior Full Stack software engineer to work in a product development role using .Net C# on the Backend and Node JS for the Frontend. You will be working on the development of a Cloud based Security application for Microsoft architecture that integrates AI functionality … reputation for innovation in securing Microsoft Cloud architecture. We are looking for someone who has a wealth of capability as a .Net C# software engineer and has experience in developing IT Security applications. You will be a person who is curious about the innovative use of integrating AI into Secure ...

Azure Cloud Support Engineers - Terraform, CAF, SpecOps - Jump IT Solutions

Hiring Organisation
Jump IT Recruitment Solutions
Location
London
Employment Type
Permanent
Salary
To £42,000 + Benefits
About the Role Azure, Microsoft, Cloud Computing, IaC, Terraform, Ansible, PowerShell, C#, Azure DevOps, Kubernetes, Containerisation, CI/CD, SpecOps, Cloud Adoption Framework. Our client is looking to recruit 2 additional permanent engineers for its business. These are permanent roles only. Candidates must live within commuting distance of central London … Infrastructure/Data Centre experience, coupled with some Azure Infrastructure experience (ideally implementations of Azure) Advantageous: IaC automation (Terraform, Ansible or PowerShell/C#), Azure DevOps tools & processes, Kubernetes/containerisation Some completed Azure certifications are expected to show your desire to work in this space Additional Information There ...

Full Stack .Net Developer

Hiring Organisation
Eligo Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
looking to recruit an experienced senior Full Stack software engineer to work in a product development role using .Net C# on the Backend and Node JS for the Frontend. You will be working on the development of a Cloud based Security application for Microsoft architecture that integrates AI functionality … reputation for innovation in securing Microsoft Cloud architecture. We are looking for someone who has a wealth of capability as a .Net C# software engineer and has experience in developing IT Security applications. You will be a person who is curious about the innovative use of integrating AI into Secure ...

Graduate Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
traders, you'll play a key role in delivering reliable and scalable solutions. Key Responsibilities Assist in designing, developing, and maintaining applications using C# and .NET Support the development of scalable systems for trading and research Contribute to database development and optimisation (SQL Server or similar) Collaborate with senior developers … least a 2:1 BSc in Computer Science or a related subject from Russell Group University Strong foundation in programming, ideally with exposure to C# or .NET Understanding of object-oriented programming principles Familiarity with relational databases (SQL Server, Oracle, or similar) Strong problem-solving skills and attention to detail ...

C#. Net Developer

Hiring Organisation
JAC Recruitment (UK) Ltd
Location
East London, London, England, United Kingdom
Employment Type
Temporary
Salary
£416 per day
Position: C# .NET Developer Location: London Contract: 6 Months Initially Pay: £416 Umbrella/day Company: Leading provider of IT services to one of the major Japanese banking group in the EMEA region, supporting one of Japan's largest banks and a global financial powerhouse. About the Role: Development … Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also include supporting the existing C# and .NET applications. General IT Support to maintain environments where JRIE applications are running will be also essential. This will be achieved by working together ...

Power Platform Developer – Security Clearance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
data. Extend and enhance standard Dynamics 365 modules through customizations primarily using the MS Power Platform (including Copilot Studio) but also potentially using X++, C#, and integration patterns. Design and build integrations between F&O and external systems using Power Automate, Dataverse, virtual tables, and RESTful APIs. Ensure data integrity … solutions in Microsoft Dynamics 365 Finance & Operations (F&O). Proficiency in the MS Power Platform (with particular emphasis on Copilot Studio), X++ and C# for Dynamics 365 F&O customizations and integrations. Hands‐on experience with Data Entities, DMF, and structured reporting in Dynamics 365 F&O. Experience supporting ...

C++/Python Quantitative Developer - Cross Asset XVA and Capital Analytics (Vice President)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trading business leveraging a wide variety of mathematical and computer science methods and tools including hardware acceleration, advanced calculus, C++ including STL, C#, .NET, Java, object oriented software design, Python, kdb, Structured Query Language (SQL), mathematical finance/programming and statistics and probability Develop pricing models using numerical techniques … appropriate timeframe Recommended Qualifications Experience in a comparable quantitative modeling or analytics role, ideally in the financial sector Must have technical/programming skills; C# .Net, SQL and C++ Exposure to Market Data; Statistics and Probability based calculations; Using probability theory to evaluate the risks of complex financial instruments, solve ...

Senior AI Software Engineer: Coding Agent for Game Dev

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Lightspeed Studios is looking for a Sr. AI Software Engineer to lead the development of an innovative in-house AI Coding Agent. This role will significantly enhance our game studios' development pipelines by providing intelligent ...

Front Office Developer: SQL & .NET in Finance – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hunter Bond in Greater London is seeking a Front Office Developer to enhance internal applications and data systems. This role offers collaboration with senior stakeholders, focusing on the development of business-critical platforms. The ideal ...

Software Developer - DV Cleared - Various Locations

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Our client, a prominent entity in the Defence & Security sector, is currently seeking a skilled Software Developer to join their team on a contract basis. This role is integral to enhancing and securing modern technology ...

Hybrid Fullstack Engineer (TypeScript/C#) – AWS, AI-Driven

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London is seeking a software engineer for a maternity leave cover role on a hybrid basis. You will work across a dual-stack C# and TypeScript backend, implementing microfrontends and owning features from design to production. You will collaborate with product teams, engage customers to understand problems, and shape architecture ...

Senior Backend Engineer: C#/.NET, SQL – London (Onsite)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
algorithmic trading systems at a prestigious Hedge Fund with a salary up to £180k and significant bonus potential. The role requires advanced skills in C# .Net and SQL, and offers opportunities for leadership and mentorship. Enjoy various family-friendly benefits and a diverse workplace that fosters continuous learning. #J ...

Lead Software Engineer: C#/.NET for Trading Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
hands-on leadership role involves designing scalable systems, owning delivery across projects, and mentoring engineers. Candidates should have over 8 years of experience with C#, .NET, and other technologies. Strong communication and a solid understanding of software development practices are essential. Knowledge in finance and market data APIs is highly ...

Contract C# Software Engineer

Hiring Organisation
Enterprise Recruitment Ltd
Location
KT3, Malden, Greater London, United Kingdom
Employment Type
Contract
Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer skills required - Good analytical skills … large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# Interfacing with hardware/physical products .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information. ...