76 to 100 of 1,381 C# Jobs in the UK

Senior Software Architect Developer | London, hybrid | up to £120k

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Your Profile Degree in Computer Science (or related) preferred; 10+ years’ experience with 3+ years in a senior architecture role. Expertise in .NET/C#/SQL Server; React.js and Python desirable. Deep domain knowledge of financial markets technology (FCM, clearing broker, investment bank, exchange or vendor). Proven experience ...

Application Support Engineer / Developer

Hiring Organisation
Leo Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
priorities Excellent communication skills and the ability to work with both technical and non-technical stakeholders Desirable: Commercial experience with Java and/or C# Experience working with Microsoft Azure Knowledge of Docker, Kubernetes and Azure DevOps Experience using Git for source control Front-end development experience, ideally with React ...

Senior Technical Lead

Hiring Organisation
InstaResource Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
content schemas, design tokens and component specifications. Experience with prompt engineering or AI automation pipelines is highly desirable. Core Technical Skills: .NET/C# JavaScript/TypeScript React or Next.js RESTful APIs GraphQL CI/CD pipelines (Azure DevOps or GitHub Actions) Performance optimisation WCAG 2.1 accessibility standards SEO best ...

Technical Writer AVP

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£416/day
understand software code and technical concepts Technical writing experience within financial services or a similar regulated/complex business environment MS SQL, .Net, C#, SDLC, Agile, Development skills. MS SharePoint, Azure DevOps, Jira Location: This is a hybrid working role, with a requirement to work from the clients London office ...

Software Engineer, Portfolio Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
collaborative relationships with colleagues across teams and geographies. Financial Markets experience - Equities, FX, Options, & Fixed Income trading. Technologies Exceptional object-oriented development skills (C# .Net background preferable) SQL Server and data analytical skills Thorough understanding of object orientated programming, computing fundamentals and data structures Experience with Web technologies (HTML, JavaScript ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Proven 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 ...

DevOps & Platform Engineer (AWS / CI/CD)

Hiring Organisation
Appcast
Location
Remote, UK
experience with:CI/CD tools: Jenkins, GitLab, GitHub ActionsCloud platforms: AWS (preferred)Containerization: Docker, KubernetesVersion control: GitStrong programming and scripting experience in:C#/.NETJavaScript/TypeScriptPythonBash/Shell scriptingPowerShellExperience with:Infrastructure as Code (IaC) (CloudFormation, Terraform preferred)Microservices and distributed systemsREST APIs and API integrationsKnowledge of:Monitoring & observability ...

Senior Software Engineer (Back End)

Hiring Organisation
Appcast
Location
London, UK
engage effectively with traders, quants, and other business stakeholders. Desired Domain experience in Credit or Fixed Income. Expertise in modern .NET technologies and C# (Java or similar OO languages considered). Strong relational database design and optimisation skills (MSSQL, MySQL). Deep understanding of low‐latency engineering, concurrency, multithreading ...

Senior Software Engineer (Back End)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Ability to engage effectively with traders, quants, and other business stakeholders.Desired* Domain experience in Credit or Fixed Income.* Expertise in modern .NET technologies and C# (Java or similar OO languages considered).* Experience implementing observability (metrics, tracing, logging) for distributed systems.* Experience with CI/CD pipelines, containerisation (Docker ...

Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modern architectural patterns, including microservices and message-driven architectures Hands-on developing/coding experience using the following technologies: Frontend (Angular) Backend (.Net, C#) NFR/Non-Functional requirement understanding and experience developing applications with this in mind Strong experience with Test-Driven Development (TDD) approach, writing unit and integration ...

Senior Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
promoting a culture of continuous learning and improvement. Your skills & experience Must‐haves to be successful in this role · Strong experience in Go or C# programming languages (ideally both). · Extensive experience in building and deploying scalable cloud‐native applications on AWS using technologies including EC2, ECS, Lambda, SQS, DynamoDB ...

R&D Software Engineer

Hiring Organisation
Appcast
Location
Cambridge, Cambridgeshire, UK
serverless (API Gateway/Lambda/DynamoDB), containers (Docker/ECS), and monitoring (CloudWatch/Datadog).Software engineering & languages: practical development experience in C# and JavaScript/TypeScript (Angular/Node.js), comfortable working across multiple languages, with solid Git-based workflows.DevOps & delivery: understanding of CI/CD principles and tools ...

Senior Software Engineer Angular

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
contribute to sprint reviews and demos, product release cycles and technical reporting, working across both backend and frontend development using technologies such as Angluar, C#/.NET, Azure, Entity Framework, TypeScript, and SCSS/SASS. At Microlise we know the importance of a good work/life balance, so offer ...

Java Full Stack Engineer-Consultant-Digital Excellence

Hiring Organisation
Capgemini
Location
Cheshire West and Chester, United Kingdom
Employment Type
Full Time
familiarity with MongoDB is preferred) or SQL databases such as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT ...

Senior Software Engineer Angular (Fixed Term)

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract
contribute to sprint reviews and demos, product release cycles and technical reporting, working across both backend and frontend development using technologies such as Angluar, C#/.NET, Azure, Entity Framework, TypeScript, and SCSS/SASS. At Microlise we know the importance of a good work/life balance, so offer ...

Senior Software Engineer (C++ network programming)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
skillNice to haveFamiliarity with large scale deployments: Kubernetes, Docker, TerraformFamiliarity with CI/CD pipelines and associated scriptingKnowledge in other programming languages like Java, C#, Ruby, R, Go, Node.js, and Perl is a plus.Knowledge of CMake is a plusExposure to AI to optimize development tasks is a plusBenefits ...

Principal Software Engineer (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
served Led the development and delivery of production‐grade software using a variety of languages and frameworks, including but not limited to: Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Actively experimented with AI development tools and translated that experimentation into faster, higher‐quality ...

Senior AI Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
experience taking agentic AI from concept through production deployment to sustained business adoption. Strong pro‐code engineering skills, typically in Python and/or C#/.NET, with sound software engineering practices (version control, testing, CI/CD). MLOps/LLMOps — deployment, monitoring, evaluation, and lifecycle management ...

Graduate C#.Net Developer x 2 - Jump IT Solutions

Hiring Organisation
Jump IT Recruitment Solutions
Location
Kent
Employment Type
Permanent
Salary
£25,000 - £40,000 + Benefits + Potential
About the Role C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, APIs, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. Based in Kent offices, it would really suit someone ...

AI Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Code OpenAI GPT/Azure OpenAI Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java REST APIs and microservices Software architecture and engineering best practices Desirable Skills Experience with any of the following would be advantageous ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Bachelor's or higher degree in an analytical subject (Computer Science, Engineering, Maths, Physics). 10+ years of professional programming experience in C++/C# and willingness to learn new languages. Experience with Linux development and running software on Linux. Experience with virtualisation and containers, including Docker. Preferred Qualifications Familiarity ...

AI Copilot developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
gathering through to production deployment. Excellent communication and stakeholder management skills. Ability to work effectively across both technical and non-technical teams. Desirable Experience C#/.NET development. Azure services including Functions, Logic Apps, Azure DevOps and Service Bus. Power BI. API integration experience. SQL and Oracle databases. Experience working ...

Software Engineer

Hiring Organisation
Anson Mccade
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
automation Collaborate with engineers and stakeholders to deliver quality solutions Skills & Experience We're looking for experience with several of the following: Java, C#, Python, Go or TypeScript React, Angular, Vue or Svelte Cloud experience (AWS, Azure or GCP) Infrastructure as Code CI/CD tools such as GitHub Actions ...

Senior Software Engineer

Hiring Organisation
Matchtech
Location
Banbury, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £90000/annum
safety regulations. Job Requirements: Experience in developing complex data management and database storage solutions. Experience with .Net technologies and associated languages. Required skills: C#, .NET, WPF, and SQL. Knowledge of JavaScript, Python, Blazor would be advantageous. Strong communication skills, both written and verbal. High standard of work in stressful ...

CAD-CAM .NET Developer (Outside IR35 Contract)

Hiring Organisation
Tec Partners Recruitment Ltd
Location
NG9, Beeston, Nottinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650/day
complex technical problems, can quickly familiarise themselves with existing codebases, and thrives in a collaborative Agile environment. Essential Skills & Experience Strong commercial experience with C# and .NET/ASP.NET Core 8+ Development of CAD applications/3D graphics Experience working with AWS or Azure Proficiency using Git Strong mathematical, algorithmic ...