1 to 25 of 270 C# Jobs in London

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, UK
Employment Type
Full-time
engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

Sr. Software Engineer

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
Status Quo: Comfort in pushing the boundaries, 'hacking' beyond traditional solutions Language Expertise: Expertise in one or more general development languages (e.g., Javascript, Java, C#, C++) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive to learn new technologies such as Angular ...

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# .NET Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This … Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with ...

Senior Azure Integration Developer

Hiring Organisation
ARC IT Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
experience with Azure Integration Services (APIM, Logic Apps, Azure Functions, Service Bus, Event Grid) Experience delivering containerised workloads in AKS Strong programming capability in C#, .NET, JavaScript or TypeScript Solid understanding of REST APIs, OAuth2 and modern API security practices Experience with SQL and data integration technologies Familiarity with ...

Full Stack Engineer

Hiring Organisation
Avanade
Location
London Area, United Kingdom
security and performance Harness modern development and Azure DevOps practices including CI/CD, containerization, automated testing Job Qualifications Habilities and experience Programming: C#/.NET, JavaScript/TypeScript Service Development: building web applications and web APIs using .NET and cloud services Cloud: Azure and others Database: (worked with ...

Senior Software Engineer

Hiring Organisation
Espire Infolabs Limited
Location
London, United Kingdom
Employment Type
Permanent
Looking For Core Engineering 8+ years of software engineering experience across the full stack Strong proficiency in at least two languages (e.g. Python, TypeScript, C#, Node.js), with confidence picking up others as needed Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred) Proven experience with ...

Principal Technical Consultant - Automation

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
engaging other senior leaders. Technical Depth: Professional knowledge of object-oriented design patterns and modern languages such as Java, TypeScript/JS, Python, C#, or Scala. Modern Architecture: Solid understanding of cloud services (AWS/Azure/GCP), microservices, observability, Infrastructure as Code, and SRE principles. Tool Agnostic: Proficiency with ...

Lead Full Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
across the business Requirements Proven experience as a full-stack developer, ideally with experience in a technical lead role Strong proficiency in JavaScript, .NET (C#), and modern frontend frameworks Solid experience with SQL databases and API design and integration Demonstrated leadership ability with strong communication and organisational skills A proactive ...

Senior Software Engineer .Net

Hiring Organisation
Apprize Technology Solutions
Location
London Area, United Kingdom
delivery team Requires 5+ years of full-stack software engineering experience with strong proficiency in at least two languages such as Python, TypeScript, C#, or Node.js Must have solid expertise in RESTful APIs, microservices, cloud-native development (Azure preferred), Docker/Kubernetes, and CI/CD pipelines Expected to design ...

Full Stack Software Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

Lead .NET/JS Developer - Perm - Creative Agency

Hiring Organisation
Lorien Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
keep pace What we're looking for Strong experience leading technical delivery within a digital agency or consultancy environment A solid backend background in C#/ASP.NET Core , with full-stack awareness Experience across both frontend and backend challenges - reactive frameworks experience welcome Deep familiarity with Azure , including CI/ ...

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 ...

Python Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent
work closely with traders, quants, and senior engineers on the development of modern data and analytics tooling used across the business. The environment is C# and Python-focused, with increasing adoption of cloud-native data technologies including Databricks, whilst also integrating with established quantitative pricing and risk platforms such ...

Principal Engineer (.Net) - up to £100,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, UK
Employment Type
Full-time
engineers and strengthen engineering culture across the organisation Essential Skills for the Principal .NET Engineer: Deep hands-on expertise in ASP.NET Core, Web API, C#, Entity Framework Strong experience with Azure, Kubernetes, Kafka and Microservices architecture Experience with MongoDB, cloud integrations and distributed systems Strong knowledge of JavaScript/TypeScript ...

🚀 Full Stack Tech Lead Developers/Tech Leads Needed – Fully Remote (UK) | Up to £85,000

Hiring Organisation
Areti Group | B Corp™
Location
East London, London, United Kingdom
DevOps, CI/CD, and cloud infrastructure 🌟 What we’re looking for Strong full-stack development experience with object-oriented languages (Ruby, PHP, Java, C#, etc.) Experience mentoring or leading developers—or ready to step into leadership Passion for clean code, collaboration, and continuous improvement Comfortable with agile practices—pair ...

🚀 Full Stack Tech Lead Developers/Tech Leads Needed – Fully Remote (UK) | Up to £85,000

Hiring Organisation
Areti Group | B Corp™
Location
Central London / West End, London, United Kingdom
DevOps, CI/CD, and cloud infrastructure 🌟 What we’re looking for Strong full-stack development experience with object-oriented languages (Ruby, PHP, Java, C#, etc.) Experience mentoring or leading developers—or ready to step into leadership Passion for clean code, collaboration, and continuous improvement Comfortable with agile practices—pair ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Qualifications Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

Principal Technical Lead

Hiring Organisation
RAIL SAFETY AND STANDARDS BOARD
Location
London, UK
Employment Type
Full-time
Qualifications: Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

Technical Lead

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent
defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands. JobDescription WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions ...

Salesforce Commerce Cloud Developer - eCommerce

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Permanent
initiatives and mentoring engineers within the team Tech stack includes:Salesforce Commerce Cloud (SFCC/Demandware) JavaScript/React HTML/CSS/AJAX C#/.NET REST APIs SQL Server CI/CD tooling Ideal background: Strong SFCC/ecommerce platform experience Full stack engineering background Experience building scalable ...

Infrastructure Engineer

Hiring Organisation
Coltech
Location
City of London, London, United Kingdom
Monitoring/Azure Monitor experience Experience with security-first engineering practices Experience within banking, financial services or government programmes Exposure to software development using C# or Python What We’re Looking For We’re looking for engineers who are: Collaborative and delivery-focused Comfortable working in fast-paced enterprise programmes ...

Dynamics365 (D365) Developer

Hiring Organisation
Adecco
Location
London, UK
Employment Type
Full-time
years preferred) Strong understanding of D365 architecture and customisation capabilities D365 Customer Voice skills with experience creating interactive surveys, multi-channel distribution Proficiency in C#, .NET, JavaScript, Power Automate, and Power Apps Experience with Azure services (Logic Apps, Functions, Service Bus) is a plus Familiarity with DevOps practices and tools ...