276 to 300 of 382 C# Jobs in London

Software Engineer

Hiring Organisation
Aurum Search Limited
Location
London Area, United Kingdom
client is a leading hedge fund and they are looking to hire a Software Engineer that is highly proficient in C# to join their Post-Trade Tech team. The team is responsible for building systems that power almost every area of the firm. Responsibilities : Build and deploy full-stack features … using C# (.NET Core) on the backend and the frontend responsibilities. Develop critical platforms and applications across the business. Work with complex data sets in SQL (MSQL/PostgreSQL) to ensure accurate financial reporting. Collaborate directly with business stakeholders to translate requirements into user-friendly tools. Qualifications: 2–5 years ...

Software Engineer

Hiring Organisation
Aurum Search Limited
Location
City of London, London, United Kingdom
client is a leading hedge fund and they are looking to hire a Software Engineer that is highly proficient in C# to join their Post-Trade Tech team. The team is responsible for building systems that power almost every area of the firm. Responsibilities : Build and deploy full-stack features … using C# (.NET Core) on the backend and the frontend responsibilities. Develop critical platforms and applications across the business. Work with complex data sets in SQL (MSQL/PostgreSQL) to ensure accurate financial reporting. Collaborate directly with business stakeholders to translate requirements into user-friendly tools. Qualifications: 2–5 years ...

Azure Cosmos DB Admin and Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract
Cosmos DB across mission-critical workloads. You will shape partitioning models, indexing strategies, consistency models, and performance tuning while building reusable frameworks in C#/.NET or Node.js. Expect close collaboration with architects and DevOps to embed Cosmos DB into microservices, backed by robust CI/CD through Azure DevOps. … This position offers genuine impact in a regulated, high-velocity technology environment. Key Skills: Azure Cosmos DB (SQL/Mongo API), NoSQL modelling C#/.NET or Node.js Azure Functions, App Services, AKS, Logic Apps CI/CD with Azure DevOps Performance optimisation (Azure Monitor, App Insights) Distributed systems & concurrency ...

Backend Software Engineer C# .Net - FinTech (Newcastle Upon Tyne)

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Location: NE1 6SQ, Newcastle Upon Tyne, Tyne and Wear, North East, UKBackend Software Engineer/Developer (C# .Net Core) *Newcastle onsite* to £130k+Are you a backend focussed Software Engineer with a first class education looking for an opportunity to progress your career, working on complex and interesting systems … Software Engineer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. You'll take ownership of technical projects, working across the full development lifecycle to understand business needs. The company ...

Microsoft Dynamics 365 Developer/Administrator

Hiring Organisation
Crowe UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
maintain Power Apps and Power Automate flows, assist with data migration and integration, provide first-line support, develop and support custom plugins using C# and .NET, implement JavaScript customizations, and collaborate with stakeholders, working alongside our Senior D365 Developers. You will also manage version control and liaise with third-party … data migration and integration tasks. Provide first-line support and troubleshooting. Document processes and contribute to knowledge sharing. Develop custom plugins and workflows using C# and .NET. Implement JavaScript for client-side customisations and UI enhancements. Integrate Dynamics 365 with external systems via APIs and middleware. Optimise system performance ...

Application Support Engineer

Hiring Organisation
Pioneer Search Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 85,000 Annual
Application Support Engineer - Azure Cloud | .NET/C# | New Team Build | £85,000 + Package Location: London Sector: Financial Services/Insurance Permanent - Onsite We are partnering with a leading financial services, specialty insurance organisation undertaking a major modernisation of its entire technology estate. The business is moving away from … ownership of second and third line application support across: Azure App Services, Azure Functions, Azure SQL, Azure Storage, Event Grid, API Management .NET/C# microservices, APIs and integration layers CI/CD pipelines (Azure DevOps) and deployment troubleshooting Application monitoring and observability using tools such as Azure Monitor ...

Full Stack Engineer

Hiring Organisation
ClearWatt
Location
London Area, United Kingdom
based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building … evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming ...

Full Stack Engineer

Hiring Organisation
ClearWatt
Location
City of London, London, United Kingdom
based vehicle integrations, and real-time energy data streams. The Role We’re looking for a skilled Backend Developer with strong experience in C# and the .NET ecosystem to help us scale and evolve our core data and API infrastructure. You’ll play a central role in designing, building … evolve our internal tools and services to support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming ...

Software Engineering Lead- (AI product)

Hiring Organisation
LexisNexis Intellectual Property Solutions
Location
London, UK
Employment Type
Full-time
essential part of building the new product architecture. We expect this team to work across multiple technologies around a core, including Angular, Python, C#/.Net, SQL, AWS (EKS, S3, Lambda, CDK, etc.), Applied AI/ML libraries and frameworks. About The Role: We are hiring a Software Engineering Lead … frameworks to meet business needs. Experience with AWS or similar cloud providers, including knowledge of running cost-effective serverless architecture. Experience working with Python, C#, and Angular. Strong interpersonal, communication, and presentation skills applicable to a wide audience. Experience with PyTorch, Scikit-learn, Go, Databricks, JavaScript, and Azure Pipelines ...

Software Engineering Lead- (AI product)

Hiring Organisation
LexisNexis Intellectual Property Solutions
Location
City of London, London, United Kingdom
essential part of building the new product architecture. We expect this team to work across multiple technologies around a core, including Angular, Python, C#/.Net, SQL, AWS (EKS, S3, Lambda, CDK, etc.), Applied AI/ML libraries and frameworks. About The Role: We are hiring a Software Engineering Lead … frameworks to meet business needs. Experience with AWS or similar cloud providers, including knowledge of running cost-effective serverless architecture. Experience working with Python, C#, and Angular. Strong interpersonal, communication, and presentation skills applicable to a wide audience. Experience with PyTorch, Scikit-learn, Go, Databricks, JavaScript, and Azure Pipelines ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £1000/day
AI Evangelist - Inside IR35 - Hybrid Role Overview The Senior AI Evangelist plays a pivotal hands-on role in shaping and driving the responsible adoption of Artificial Intelligence across the organization. This position bridges the gap ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £1,200 per day
AI Evangelist - Inside IR35 - Hybrid Role Overview The Senior AI Evangelist plays a pivotal hands-on role in shaping and driving the responsible adoption of Artificial Intelligence across the organization. This position bridges the gap ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £720 per day
C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid *inside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . Leading architecture discussions, code … Bring A strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication skills ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day
C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid *inside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . Leading architecture discussions, code … Bring A strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication skills ...

C# Developer .Net AWS - Hedge Fund

Hiring Organisation
Client Server
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
C# Developer/Backend Software Engineer C# .Net AWS (Junior - Mid) London to £80k Are you a bright, ambitious C# Developer who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable, systematic Hedge Fund that invests in sports ...

Front Office C# Developer – Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
partnered with a leading fixed income hedge fund in London seeking a talented C# Developer to join their front-office technology team. The fund has a strong and consistent performance track record and has invested heavily in its quant and tech capabilities as part of a wider growth plan. … team multiple times so are able to go into detail regarding set up of the team and role The team primarily uses C# for core systems and Python within quant and data teams. C# and .Net experience and knowledge are essential for this role, but the fund will consider exceptional ...

Front Office C# Developer – Hedge Fund | London

Hiring Organisation
Undisclosed
Location
London Area, United Kingdom
partnered with a leading fixed income hedge fund in London seeking a talented C# Developer to join their front-office technology team. The fund has a strong and consistent performance track record and has invested heavily in its quant and tech capabilities as part of a wider growth plan. … team multiple times so are able to go into detail regarding set up of the team and role The team primarily uses C# for core systems and Python within quant and data teams. C# and .Net experience and knowledge are essential for this role, but the fund will consider exceptional ...

Full Stack Post Trade Developer – Elite Systematic Hedge Fund – C#, Angular/React, SQL – London – Multiple Headcount – Market Leading Compensation

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
Full Stack Post Trade Developer – Elite Systematic Hedge Fund – C#, Angular/React, SQL – London – Multiple Headcount – Market Leading Compensation One of the world’s most forward-thinking systematic hedge funds is expanding its Post-Trade Technology group and is hiring a Post-Trade Developer to build the external-facing … developers in a lean, technically strong team where projects are shared and impact is visible. Tech Stack Frontend: Angular/React Backend: C# Database: SQL Server What They’re Looking For Strong full-stack engineer (C#, SQL + Angular/React) Experience building client-facing or external web applications Ability ...

Full Stack Post Trade Developer – Elite Systematic Hedge Fund – C#, Angular/React, SQL – London – Multiple Headcount – Market Leading Compensation

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
Full Stack Post Trade Developer – Elite Systematic Hedge Fund – C#, Angular/React, SQL – London – Multiple Headcount – Market Leading Compensation One of the world’s most forward-thinking systematic hedge funds is expanding its Post-Trade Technology group and is hiring a Post-Trade Developer to build the external-facing … developers in a lean, technically strong team where projects are shared and impact is visible. Tech Stack Frontend: Angular/React Backend: C# Database: SQL Server What They’re Looking For Strong full-stack engineer (C#, SQL + Angular/React) Experience building client-facing or external web applications Ability ...

Aras Developer

Hiring Organisation
International Business Solutions Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Aras core features (excluding specific modules like Variant Management, Simulation, etc.) Technical experience: understanding of REST and SOAP proficient in programming languages: .Net/C#, JavaScript/TypeScript, HTML and CSS knowledge of databases, especially: MS SQL knowledge of Git basic knowledge of the toolset for development in programming languages … listed above (eg Visual Studio/Rider/other for .Net/C#, etc) Other skills: knowledge of SCRUM or SAFe experience in working with agile teams basic knowledge of Jira and Confluence language proficient in english ...

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £400k TC

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £400k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office … high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during ...

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £400k TC

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £400k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office … high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during ...

Software Engineer

Hiring Organisation
CipherTek Recruitment
Location
London Area, United Kingdom
Opportunity: Senior C# Quantitative Developer | Capital Markets Technology Location: London Type: Full-time/Contract Rate: £800 p/d (Outside IR35) Client: Leading Global Investment Bank Hybrid: 1 day per week in the office Are you ready to be at the forefront of technology and finance? Our client … tier investment bank, is looking for a Senior C# Quantitative Developer to join their high-impact Capital Markets Technology team in London. This is a unique opportunity to bridge the worlds of quantitative analysis and software engineering—delivering cutting-edge solutions to drive pricing, risk management, and liquidity strategies ...

Software Engineer

Hiring Organisation
CipherTek Recruitment
Location
City of London, London, United Kingdom
Opportunity: Senior C# Quantitative Developer | Capital Markets Technology Location: London Type: Full-time/Contract Rate: £800 p/d (Outside IR35) Client: Leading Global Investment Bank Hybrid: 1 day per week in the office Are you ready to be at the forefront of technology and finance? Our client … tier investment bank, is looking for a Senior C# Quantitative Developer to join their high-impact Capital Markets Technology team in London. This is a unique opportunity to bridge the worlds of quantitative analysis and software engineering—delivering cutting-edge solutions to drive pricing, risk management, and liquidity strategies ...

Tester

Hiring Organisation
Proactive Appointments
Location
Uxbridge, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £35,000 per annum
Mobile and Tablet Strong Testing Experience in Non-Functional testing Experience of working with Test Management tools like JIRA, TFS, ALM Familiar with C# .NET, HTML, SQL & Java Good Experience of working with SQL and SQL Management Studio. Excellent knowledge in Postman & SOAP UI for API Testing Must be able … maintaining automation frameworks and scripts in line with coding standards will be an added advantage Demonstrated experience writing test scripts from scratch in C# .net will be an added advantage Experience working with Selenium Webdriver Previous work experience within the logistics industry ISTQB Advance level Test Analyst or equivalent certification ...