1 to 25 of 415 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 ...

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 Microsoft .NET Consultant

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
senior technical resource across customer accounts and mentor junior consultants. Assist with Azure DevOps pipeline maintenance and automation opportunities. Qualifications Essential Skills & Experience C#/.NET Framework/.NET Core ASP.NET MVC/Web APIs SQL Server troubleshooting L3 support experience Incident/Problem/Change Management Minor enhancement ...

Senior Microsoft .NET Consultant

Location
Westminster, West End, United Kingdom
senior technical resource across customer accounts and mentor junior consultants. Assist with Azure DevOps pipeline maintenance and automation opportunities. Qualifications Essential Skills & Experience C#/.NET Framework/.NET Core ASP.NET MVC/Web APIs SQL Server troubleshooting L3 support experience Incident/Problem/Change Management Minor enhancement ...

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 ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
production systems end to end. Experience in insurance, reinsurance or wider financial services is a plus, but not essential.* **Backend:** Strong programming skills in C#/.NET or Python, with solid API design and strong SQL.* **Frontend:** Practical experience building modern user interfaces with React or Angular and TypeScript.* **Cloud ...

Microsoft .NET Consultant

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
professional who enjoys a combination of technical problem solving, customer engagement and hands-on development in a managed services environment. Qualifications Essential Skills & Experience C#/.NET Framework/.NET Core ASP.NET MVC/Web APIs SQL Server troubleshooting L3 support experience Incident/Problem/Change Management Minor enhancement ...

Solution Architect (Contract Role)

Location
Greater London, England, United Kingdom
designed data-intensive systems you also helped build, ideally in insurance, reinsurance or wider financial services.* **Technical Stack:** Current, practical programming skills, ideally in C#/.NET or Python, with strong SQL, working knowledge of modern UI frameworks such as React or Angular with TypeScript, and hands-on experience with ...

Senior Software Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £105,000 per annum
closely with clients and stakeholders throughout project delivery. What We're Looking For 5+ years' commercial software engineering experience. Strong experience developing applications using C#/.NET . Experience with React , JavaScript and TypeScript. Strong understanding of cloud-native application development on Microsoft Azure . Experience with Azure services such ...

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 ...

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/ ...

Senior Software Engineer (GoLang)

Location
Greater London, England, United Kingdom
Azure and Azure devops environments Containerisation and IaC approach (Terraform, SST are definitely a plus) A good understanding of development methodologies and design patterns C# ASP.NET, .Net Core also a plus but not necessary Cloudflare Experience with React, Typescript, Astro and NodeJS are definitely a plus. You don't need ...

Senior Software Engineer, AI Centre of Excellence Software engineering London

Location
Greater London, England, United Kingdom
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. ...

C# Principal Software Engineer

Location
Greater London, England, United Kingdom
Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a ...

Principal Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
development environments Nice to have Experience with Swift and the Vapor framework for server-side API development Experience building APIs with technologies such as C# or Java Experience with NoSQL databases including Couchbase or MongoDB Familiarity with CI/CD pipelines, Docker, Kubernetes, and modern DevOps practices Why join Verisk ...

Principal Engineer

Location
Westminster, West End, United Kingdom
development environments Nice to have Experience with Swift and the Vapor framework for server-side API development Experience building APIs with technologies such as C# or Java Experience with NoSQL databases including Couchbase or MongoDB Familiarity with CI/CD pipelines, Docker, Kubernetes, and modern DevOps practices Why join Verisk ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Essential Skills & Experience: Eligibility for Security Clearance Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing and automation ...

Engineering Manager

Hiring Organisation
Leo Technology
Location
London, United Kingdom
Employment Type
Permanent
team What We're Looking For: Essential Experience Proven experience leading and line-managing software engineering teams Strong hands-on development experience with C# and .NET Strong experience with JavaScript and modern front-end frameworks, ideally React Hands-on experience building and deploying solutions within Azure Experience with serverless architectures ...

Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing

Location
Greater London, England, United Kingdom
workflows (e.g., GitHub Copilot, Cursor, Devin). Familiarity with desktop container frameworks such as OpenFin or interoperability libraries. Back-end development experience in Java, C#/.NET, or Python. Knowledge of containerization and orchestration with Kubernetes. Our Culture Agile & Collaborative: We thrive in a dynamic environment that values curiosity, ownership ...

Dynamics 365 Developer

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £430/day
/knowledge/experience: (Up to 10, Avoid repetition) 7+ years of hands-on Microsoft Dynamics 365 and Dataverse development experience. Strong experience developing C# Plugins, Custom APIs, and Custom Workflow Activities. Strong understanding of Microsoft Dataverse architecture, solution design, and data modelling. Microsoft Dataverse Web APIs OAuth and modern ...

.NET Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
team, where you'll have access to experienced technical leadership whilst still being given autonomy to solve problems. Responsibilities Building and maintaining applications using C#/.NET Core Developing new features across a cloud based SaaS platform Working with Vue/TypeScript on front-end functionality Building/Integrating REST ...

.NET Developer - SaaS

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
team, where you'll have access to experienced technical leadership whilst still being given autonomy to solve problems. Responsibilities Building and maintaining applications using C#/.NET Core Developing new features across a cloud based SaaS platform Working with Vue/TypeScript on front-end functionality Building/Integrating REST ...

Senior Software Engineer — Fintech FX & Cloud-Native

Location
Greater London, England, United Kingdom
maintain production code Research and integrate new technologies Foster a culture of engineering excellence and continuous improvement Key Requirements 5+ years’ experience working with C#/.NET Experience developing middle and back office systems Experience with cloud-native solutions (Azure or AWS) Knowledge of event-driven, microservices architectures Full SDLC ...

QE Governance Lead

Location
Greater London, England, United Kingdom
leadership capabilities Experience across diverse technology landscapes including OutSystems, D365, Power Platform, GCP Data & AI, and Azure API Platforms Technical awareness of TypeScript, JavaScript, C#, Python, Pytest, SQL, Playwright, API testing, CI/CD, DevOps, and AI-assisted testing Experience operating within regulated, risk-sensitive environments Core Competencies Demonstrates expertise ...

AI Workplace Senior Engineer

Hiring Organisation
INNOVATIVE TECH PEOPLE LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Security. Hands-on experience with Purview, governance policies, cross-tenant migrations, automation, and multi-tenant environments. Technical skills across PowerShell, PnP, Python, JavaScript, C#, JSON, Power Query/DAX, REST APIs, GraphQL, Dataverse, and SQL databases. Good understanding of AI governance, compliance, responsible AI, and Microsoft 365 Copilot. Excellent communication ...