1 to 25 of 237 C# Jobs in London

Application Solution Architect- Payments

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
. Proficiency in AI technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2, ISO 20022, AML/ ...

Head of Software Engineering - 2 Days London City/3 Remote

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data ...

Senior Software Engineer

Hiring Organisation
GTreasury
Location
City of London, London, United Kingdom
Senior Software Engineer who enjoys solving hard problems, influencing technical direction, and mentoring others while staying close to the code. 💻 Core Tech Stack C#/ASP.NET Core Azure (cloud architecture & services) Microsoft SQL Server Modern JavaScript frameworks (Angular experience a plus) CI/CD with Azure DevOps TDD/ ...

Senior Full-Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £70,000 per annum
newly established Digital team, working cross-functionally across the business Requirements Proven experience as a full-stack developer Strong proficiency in .NET (C#), JavaScript, and modern frontend frameworks Solid experience with SQL databases and API design and integration Excellent problem-solving, communication, and organisational skills Ability to work proactively ...

Java Full Stack Engineer (SC eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
NoSQL (MongoDB) or SQL databases such as Postgres Experience working with GOV.UK standards or in the UK public sector Exposure to Node.js, Kotlin or C# Experience integrating solutions with LLMs (LangChain, Vercel AI, etc.) Why This Role Stands Out Real impact: contribute to digital services used by millions Huge investment ...

Sharepoint Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day
development experience with Office 365 tools, CSS, JavaScript, jQuery, and HTML5. Solid knowledge of Rest API and Graph API. Desirable: Exposure to ASP.Net and C#, and familiarity with Agile delivery. Experience with CI and Automation tools. Skills and Qualities: Excellent verbal and written communication skills for both technical ...

IT Solution Architect

Hiring Organisation
BDO
Location
London, United Kingdom
Employment Type
Permanent
presentation skills. Able to communicate to stakeholders at all levels of the organisation and 3rd parties. Experience working with the following technologies: JavaScript, React, C# .NET, Python, SQL, APIs, Azure, Power Platform, SaaS, PaaS, IaC. Exposure to and understanding of emerging technologies e.g. AI, LLMs, Machine Learning, NLP, MCP etc. ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring small-to-medium hybrid ...

Developer (MS) (18 Months FTC)

Hiring Organisation
London Borough of Barnet
Location
Barnet, London, United Kingdom
Employment Type
Contract
Contract Rate
£56376 - £61653/annum
understanding of SharePoint development, including structured libraries, metadata, permissions and integration with other data sources. - Knowledge of core development languages such as PowerShell, JavaScript, C#, Python or similar. - Experience working with data sources including MS SQL, Dataverse, APIs, REST services, JSON/XML and other integration methods. - Strong problemsolving skills ...

Staff Software Engineer

Hiring Organisation
GTreasury
Location
City of London, London, United Kingdom
senior technical leadership role where you’ll combine deep hands-on engineering with architectural thinking, mentoring, and cross-team influence. 💻 Platform & Tech Landscape C#/ASP.NET Core Angular & TypeScript Azure (cloud-native architecture, services, observability) Microsoft SQL Server CI/CD pipelines (Azure DevOps) TDD/BDD Highly distributed, mission ...

Senior Full Stack Developer (Senior Legal Technology Developer)

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
interfaces Experience mentoring or guiding junior developers Strong communication skills - able to explain technical concepts clearly to non-technical stakeholders Nice to Have C#/.NET exposure (desirable, not essential) Experience working with Microsoft platforms (SharePoint, Power Platform, Azure) Exposure to AI platforms (eg, OpenAI, Azure AI, Harvey, etc.) Experience ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured . Experience with integration testing , test strategy ...

Developer (AI/RPA) (18 Months FTC)

Hiring Organisation
London Borough of Barnet
Location
Barnet, London, United Kingdom
Employment Type
Contract
Contract Rate
£56376 - £61653/annum
testing. - Understanding of cloud services such as Azure Functions, Logic Apps, Azure AI Foundry or similar. - Strong coding skills, ideally in JavaScript, PowerShell, Python, C# or VB.NET. - Excellent communication skills and the ability to collaborate across multidisciplinary teams. - A proactive mindset, with a commitment to continuous learning, experimentation and emerging ...

.NET Developer

Hiring Organisation
Meritus Talent
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
HAVE SC CLEARANCE Essential Criteria: We are interested in hearing from candidates who have the following capabilities: Valid Security Clearance (transferable) Strong experience with C#, .NET, SQL, Angular, HTML, and JavaScript Eagerness to learn and implement new learning. Desirable Criteria: It would also be beneficial, but not mandatory, to have ...

Senior Software Engineer

Hiring Organisation
JNC Recruitment Limited
Location
City of London, London, United Kingdom
work with the latest technologies and developer your skills and career. Hybrid Working: 3 days a week in the office. Experience Required: Expertise in C# and .NET development. Good level of Angular development and principles (TypeScript, HTML, CSS/SCSS) Strong SQL Server (T-SQL) Experience of building and consuming ...

Senior Software Engineer - eDV Cleared

Hiring Organisation
NSD
Location
London, United Kingdom
Employment Type
Permanent
SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE. Cloud ...

Senior DevOps Engineer in the Netherlands

Hiring Organisation
TOPIC Embedded Systems
Location
City of London, London, United Kingdom
least 2 years of work experience as a DevOps & Automation Engineer. Strong programming skills in Python, and proficient in C++ and/or C# . Solid experience in setting up and maintaining CI/CD pipelines and automated build environments. Hands-on experience with containerization technologies, such as Docker ...

Lead Solution Architect

Hiring Organisation
BP Energy
Location
London, UK
Employment Type
Full-time
with real-time reporting, distributed caching, and unstructured databases such as MongoDB. Technical Architecture: You are confident with modern design patterns, AWS cloud services, C# or Java, containerisation (Kubernetes, Docker, OpenShift), and infrastructure-as-code tools such as Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise ...

Lead Solution Architect

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
with real-time reporting, distributed caching, and unstructured databases such as MongoDB. Technical Architecture: You are confident with modern design patterns, AWS cloud services, C# or Java, containerisation (Kubernetes, Docker, OpenShift), and infrastructure-as-code tools such as Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise ...

.NET Developer

Hiring Organisation
Lime Street Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
Required We are looking for someone who combines strong technical ability with excellent problem-solving skills. The successful candidate will demonstrate: Advanced knowledge of C# .NET with a track record of designing and delivering high quality solutions Excellent communication skills, both verbal and written Strong problem-solving and logical thinking ...

IT Applications Manager/Applications Manager

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
data analytics and evaluate applicability to the firm's operations. IT Applications Manager/Applications Manager Knowledge, Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential ...

Senior UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend experience in Java or C# Experience working in electronic FX, market making, or algo trading Familiarity with AI-assisted development tools while maintaining engineering standards Strong attention to detail ...

C++ Developer

Hiring Organisation
Peracto
Location
City Of London, England, United Kingdom
with version control tools including Git, GitHub, SVN, and utilisation of APIs for system integration Knowledge of additional programming languages such as Python, Java, C#, Ruby on Rails, VBA, and .NET frameworks is advantageous Strong understanding of SQL databases like MySQL or SQL Server for data management tasks Experience working ...

.NET Developer

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Contribute to knowledge sharing across the team, supporting a culture of learning, collaboration, and technical excellence Skills and Experience Strong experience developing applications using C# and modern .NET frameworks - ideally 4 + years of working with ".Net & Azure" Exposure to, or enthusiasm for learning, cloud-based platforms and services , particularly ...

Applications Developer

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage ...