1 to 25 of 719 C# Jobs in London

Senior AI Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Agentic AI solutions within a regulated environment. The role is Hybrid and requires onsite attendance in Central London 23 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure ...

Fullstack Developer (DV Cleared)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Experience developing full stack applications using modern front-end and back-end technologies. Strong programming skills in languages such as JavaScript/TypeScript, Java, C#, Python, or Node.js. Experience with front-end frameworks such as React, Angular, or Vue.js. Experience building and consuming RESTful APIs and microservices. Knowledge of software ...

Software Engineer - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, United Kingdom
Salary
£ 100 K
within software teams Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms (Azure ...

Senior Software Engineer - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, United Kingdom
Salary
£ 80 K
members and stakeholders Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)Experience with LLM frameworks, prompt orchestration, agent frameworks, MCPs, evaluation frameworks, and cloud platforms (Azure ...

DevOps Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
state. Operational contribution to incident and request resolution, successful changes, service improvements and platform stability. Essential Skills & Experience Demonstrable experience in software development using C# and .NET. Working knowledge of HTML, CSS, JavaScript or TypeScript, with exposure to a modern front-end framework such as Vue or React. Understanding ...

Senior Application Architect

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
other applications.Technical Proficiencies: Proficiency in programming and scripting languages relevant to the enterprise stack. This may include Python/Django, Java or C# for application development. Solid skills in SQL and working with relational databases (particularly Oracle Database and PL/SQL) are required. Comfortable working in a Linux environment. ...

Senior AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 80 K
value.Skills & Experience:Strong commercial experience as a Senior Software Engineer or AI Engineer with a full-stack Microsoft development background.Extensive experience developing applications using C#/.NET and modern frontend frameworks such as React or Angular.Experience designing and building REST APIs and integrating AI capabilities into enterprise applications.Strong knowledge ...

Senior AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Experience: Strong commercial experience as a Senior Software Engineer or AI Engineer with a full-stack Microsoft development background. Extensive experience developing applications using C#/.NET and modern frontend frameworks such as React or Angular. Experience designing and building REST APIs and integrating AI capabilities into enterprise applications. Strong ...

Software Engineering Manager

Hiring Organisation
CyberCoders
Location
London, United Kingdom
Salary
£ 80 K
modeling: SQL, NoSQL (MongoDB, Cassandra) and performance tuning.Familiarity with messaging systems (Kafka, RabbitMQ) and asynchronous architectures.Strong programming experience in one or more languages (Java, C#, Python, JavaScript/TypeScript, Go) and build tools (Maven, Gradle).Experience implementing test automation strategies, TDD/BDD practices and load testing (JMeter).Practical knowledge ...

Senior Software Engineer, AI Centre of Excellence

Hiring Organisation
Checkout.com
Location
London, United Kingdom
Salary
£ 80 K
Code (Terraform).Proven problem-solving skills and ability to thrive in fast-paced environments.Excellent communication and collaboration skills across diverse teams.Preferred qualifications:Proficiency in C# or Java.Frontend development experience with JavaScript/TypeScript and frameworks such as React.Experience developing Generative AI applications, including model fine-tuning and prototyping.Awareness of ethical ...

Microsoft Power Platform D365 Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
. Experience integrating Power Apps solutions with APIs or third-party solutions Knowledge of Azure PaaS, APIs, and integration services. Development experience (.NET, C#, TypeScript). Additional Information At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial ...

Microsoft Power Platform/D365 Developer

Hiring Organisation
Version 1
Location
London, United Kingdom
Salary
£ 80 K
Teams, SharePoint, Power BI).Experience integrating Power Apps solutions with APIs or third-party solutionsKnowledge of Azure PaaS, APIs, and integration services.Development experience (.NET, C#, TypeScript).Additional InformationAt Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability.Share ...

QE AI Lead Engineer

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 100 K
Extensive experience as a Senior QE SDET Engineer or Senior DeveloperHas breadth of experience across different tech-stacks, such as JavaScript/TypeScript, Java, C#, or Python, amongst othersExperienced in RAG Weaviate, OpenAI, Agents, MCP, Langchain, Prompt Engineering, Browser-Use, and DjangoExperienced building AI Tools, Agents and Agentic workflows (LangGraph ...

Senior Software Engineer - Backend

Hiring Organisation
Fitch Ratings
Location
London, United Kingdom
Salary
£ 80 K
Kafka, MSK, or EventBridge. Experience with caching technologies including Redis or Valkey. Experience with NoSQL databases such as MongoDB or DynamoDB. Experience working with C#/.NET applications and services. Experience working in financial services, regulated environments, or data-intensive platforms. Background in data engineering, data platforms, analytics ecosystems ...

Software Developer, Digital Innovation, Tax and Legal

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
Degree or equivalent in Information Systems or Computer Science or related discipline/equivalentProven years of experience in software development working with the following:C# preferred;SQL databases (e.g. SQL Server);Front-end technologies (HTML5, CSS, JavaScript frameworks – Angular preferred);Cloud services (Azure preferred);Experience with GenAI development tools such ...

Technical Lead

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
JFrog, Nexus, etc.Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc.Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programmingProficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc.Good understanding of Software engineering concepts, e.g. ...

Bilingual Software Engineer / AI SaaS

Hiring Organisation
Computer Futures
Location
London, United Kingdom
Salary
£ 80 K
improvement initiativesCore RequirementsProfessional experience in software development (typically 2+ years depending on seniority)Proficiency in one or more programming languages (e.g., Java, Python, JavaScript, C#, Go)Experience with modern development frameworks and toolsBusiness-level Japanese (JLPT N2-N1 or equivalent) and English proficiencyExperience working in a team-based development environment ...

Senior Microsoft 365 Developer

Hiring Organisation
MS Talent Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
PowerShell skills for administration, automation and migration. Experience with Azure PaaS, including Azure Functions, Storage, Logic Apps, APIs and managed identities. Experience developing with C# and .NET Core. Experience with Azure OpenAI and Azure AI Foundry or similar AI development platforms. Infrastructure as Code experience using Terraform and/ ...

Senior Developer

Hiring Organisation
Stealth B2B SaaS Startup
Location
London Area, United Kingdom
embrace the opportunity to use AI responsibly to help us build better software, faster, without compromising quality or maintainability. Technical Requirements Essential • C# • ASP.NET Core (.NET 8/9/10) • WPF and MVVM • RESTful APIs • SQL Server and Entity Framework Core • OpenID Connect, OAuth 2.0 and Role-Based Access ...

Senior Software Engineer II

Hiring Organisation
RX Global
Location
Greater London, United Kingdom
Employment Type
Full Time
business stakeholders to deliver measurable customer and business outcomes. - Mentor engineers through code reviews, pairing, technical guidance and knowledge sharing. Requirements - Strong proficiency in C#/.NET, JavaScript or TypeScript, React and SQL/PostgreSQL. - Experience delivering large, complex, global or multi-tenant production systems. - Strong ability to translate ambiguous ...

Senior Azure Developer

Hiring Organisation
Advania UK
Location
London, United Kingdom
Salary
£ 80 K
Azure OpenAI.Strong Azure PaaS development experience, including Azure Functions, Azure Storage, Logic Apps, APIs, managed identities and integration patterns.Strong capability in .NET Core and C# using currently supported versions.Experience with infrastructure as code using Terraform and/or Bicep for repeatable Azure deployments.Excellent written and verbal communication skills, including documentation ...

Technical Lead London

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/ ...

Technical Lead/Engineer Lead - London

Hiring Organisation
Evolve Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£71,000 - £113,000 per annum
stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/ ...

Principal Engineer

Hiring Organisation
Verisk Analytics
Location
London, United Kingdom
Salary
£ 80 K
within Agile software development environmentsNice to haveExperience with Swift and the Vapor framework for server-side API developmentExperience building APIs with technologies such as C# or JavaExperience with NoSQL databases including Couchbase or MongoDBFamiliarity with CI/CD pipelines, Docker, Kubernetes, and modern DevOps practicesWhy join Verisk Work on challenging ...

Manager, Senior Platform Software Engineer

Hiring Organisation
Baringa
Location
London, United Kingdom
Salary
£ 100 K
flexibly consider different technologies/engineering approaches to achieve this. You have advanced working knowledge of a general programming language (e.g. Python, Java, C#, Typescript etc.) and understand both domain modelling and application programming. You have working knowledge of data management technologies (SQL, NoSQL, Databricks etc.) You have working knowledge ...