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Top .NET Developer Jobs in London

Reposted 8 Days Ago
Hybrid
London, UK
Senior level
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
The Senior .NET Developer will design and develop enterprise-level solutions in the financial services domain, specializing in Capital Markets. Responsibilities include interpreting client requirements, creating data pipelines, ensuring engineering best practices, and building scalable cloud solutions.
Top Skills: AuroraC#CloudfrontDocumentdbEc2EksElasticacheGraphQLNoSQLRedisRestful ApisRoute 53S3SQL ServerTest-Driven Development
Reposted 9 Days Ago
Hybrid
London, UK
Expert/Leader
Expert/Leader
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
As a Principal .NET Developer in Capital Markets, you will design and develop robust data pipelines, create event-driven applications, and implement cloud-based solutions while collaborating with clients to deliver modern platforms. Your role emphasizes best practices in engineering and agile methodologies to transform the capital markets industry.
Reposted 11 Days Ago
Hybrid
London, UK
Mid level
Mid level
Financial Services
As a .NET / React Software Engineer, you will collaborate with cross-functional teams to solve business challenges through software solutions. Your role includes developing applications using .NET Core and React, focusing on clean code and architecture principles, unit testing, and building microservices while following secure coding practices.
Reposted 8 Days Ago
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI
As a Senior Backend Engineer, you will design and implement scalable backend services, optimize performance, collaborate with teams, troubleshoot issues, and maintain code quality.
Top Skills: .Net CoreAmazon AwsC#ElasticsearchElkGrafanaKafkaMongoDBPostgresPrometheusPython
19 Days Ago
Easy Apply
Hybrid
London, UK
Easy Apply
Junior
Junior
AdTech • Artificial Intelligence • Machine Learning • Marketing Tech • Software • Sports • Big Data Analytics
As a Junior Software Engineer, you will join a high-performance team within the Betting division to develop and maintain scalable sports betting products. You'll apply continuous delivery principles while collaborating with a multi-disciplinary Agile team and contributing to the delivery of high-quality code and innovative solutions.
Top Skills: C#C++Cloud InfrastructureFront-End Web TechnologiesGoJavaJavaScriptKotlinKubernetesMessaging TechnologiesPHPPython
4 Days Ago
London, UK
Senior level
Senior level
Artificial Intelligence • Software
The Senior Software Engineer will develop and maintain high-performance web applications using .NET and Vue.js. Responsibilities include enhancing legacy systems, optimizing database performance, collaborating with cross-functional teams, conducting code reviews, and mentoring junior engineers, with a strong emphasis on best practices and continuous improvement.
4 Days Ago
London, UK
Senior level
Senior level
Artificial Intelligence • Software
The role involves designing, developing, and maintaining high-performance web applications using .NET and Vue.js, enhancing legacy systems, optimizing SQL Server databases, collaborating with cross-functional teams, and mentoring junior engineers. Continuous learning and adaptation to new technologies are encouraged.
6 Days Ago
London, UK
Senior level
Senior level
Professional Services
The Net Zero Retrofit Technical Engineering Lead will ensure technical quality across net zero retrofit projects, conduct energy calculations and carbon emissions audits, coordinate multi-disciplinary teams, and develop sustainability strategies for diverse building types.
Mid level
Big Data • Software
The Software Engineer will maintain and enhance the Benchmark DataFeed product, focusing on developing high-quality, stable, and scalable code, engaging in design and code reviews, and collaborating with various teams to meet product requirements. Responsibilities also include ongoing product maintenance and on-call duties.
Reposted 7 Days Ago
London, UK
Senior level
Senior level
Software • Consulting
As a Contract Software Engineer at Codurance, you will work on client projects using .NET technologies. You will apply your expertise in software architecture, development patterns, and best practices, contributing effectively in a team while promoting continuous learning.
Reposted 7 Days Ago
London, UK
Senior level
Senior level
Professional Services
The Principal HV Cable Design Engineer will lead the design and delivery of HV cable projects, including concept, feasibility, and detailed design phases. Responsibilities include ensuring project compliance with scope and budget, interacting with clients, producing technical offers, and participating in design and hazard reviews, while fostering strong relationships within a multi-disciplinary environment.
Reposted 8 Days Ago
London, UK
Senior level
Senior level
Financial Services
As a Senior Full Stack Engineer at Flagstone, you'll leverage your extensive experience to collaborate with teams, improve software engineering processes, and deliver high-quality systems. You'll work in an Agile setting, focusing on new features and influencing software architecture while supporting junior staff and enhancing product resilience.
10 Days Ago
London, UK
Senior level
Senior level
Fintech
The Vice President - .Net Developer will support EUC system development and maintain back office operations by managing full systems development lifecycle tasks including analysis, design, coding in .Net, and database scripting, while ensuring project standards and deadlines are met.
10 Days Ago
London, UK
Senior level
Senior level
Fintech
The Risk IT .NET Developer role focuses on enhancing the Credit Risk Analytics IT platform. Key responsibilities include developing applications using .NET and Azure technologies, supporting regulatory changes, implementing PFE analytic solutions, and ensuring high quality in software development and testing.
4 Days Ago
London, UK
Mid level
Mid level
Edtech
We're seeking a Senior Full-Stack .NET Developer with strong C# and JavaScript skills to help create an interactive educational platform. You'll work in a remote team to enhance our resource design tools for teachers.
Top Skills: Asp.Net MvcAzureC#Canvas ApiCSSHTML5JavaScriptMs-SqlSeleniumTeamcity CdWebaudio Api
Mid level
Fintech • Software • Travel • Business Intelligence • Consulting • App development • Big Data Analytics
As a Software Developer, you'll work in an Agile team to develop web and server-side applications, ensuring high quality code and supporting documentation while collaborating with stakeholders and following best practices.
Top Skills: .Net 4.5,.Net Core,Vb,C#,Html,Css,Json,Sql Server 2008/12,Jira,Tfs,Azure Devops,Git,Rest Api,Reactjs,Typescript,Javascript
Junior
Fintech • Software • Travel • Business Intelligence • Consulting • App development • Big Data Analytics
As a .NET Software Development Engineer, you will develop web and server-side applications, ensuring high-quality software delivery and adherence to coding standards within an Agile team.
Top Skills: .NetAzure DevopsC#CSSGitHTMLJavaScriptJSONReactRest ApiSQL ServerTsqlTypescriptVb
14 Days Ago
London, UK
Senior level
Senior level
Information Technology • Software
The Senior Full Stack Engineer will develop and maintain AI-driven applications for JLL's investment management business, collaborate with cross-functional teams, design RESTful APIs, integrate machine learning models, ensure high code quality, and support agile development practices.
5 Days Ago
Remote
London, UK
Senior level
Senior level
Fintech • HR Tech • Payments • Financial Services
As a Software Engineering Team Lead, you will manage a cross-functional team while applying your technical skills in application design and web development. Responsibilities include leading the development lifecycle, crafting web applications, mentoring team members, and pushing for innovative solutions in a fast-paced environment.
Top Skills: .Net.Net CoreAngularAzure DevopsC#Entity FrameworkJavaScriptMs-SqlRedisRestful ApisTypescript
Senior level
Big Data • Software
The Lead Software Engineer will manage software development projects focusing on quality design and architecture. Responsibilities include coding new features, performing code reviews, collaborating with teams, and guiding junior developers in best practices, specifically working with the Publisher Service on a cloud-based reporting platform.
19 Days Ago
London, UK
Junior
Junior
Fintech • Payments • Financial Services
The Software Developer (C# .Net) will be part of the X-change team, responsible for developing a multi-asset Order and Execution Management System (OEMS). The role involves collaborating with product teams, utilizing agile methodologies, and integrating various technologies to provide real-time trading and broking services.
Top Skills: .Net C# 8.0Asp.Net Core SignalrDockerGraphQLKafkaRabbitMQReactSQLTypescript
Mid level
Biotech
The Back End C# .NET Software Engineer will engage in the software development lifecycle including design, development, testing, and maintenance of software systems. Responsibilities include collaborating with cross-functional teams to write clean and efficient code, troubleshooting software issues, and implementing CI/CD pipelines.
Top Skills: .Net CoreApp InsightAzure BicepAzure Cosmos DbAzure Data FactoryAzure DevopsAzure FunctionsAzure MonitorAzure StorageC# .NetCypress.IoGitJavaScriptKey VaultNextjsPactflowPythonReactSeleniumService BusSnowflakeYaml
18 Days Ago
London, UK
Senior level
Senior level
Cloud • Information Technology • Consulting
As a Quality Engineer at Preservica, you will lead automation efforts for the Preserve365 solution, improve the QA framework, write maintainable feature files, execute exploratory tests, and help implement tools like Playwright. Your responsibilities include enhancing automation, reviewing code and test cases, and ensuring smooth CI/CD processes, all within an Agile environment.
Top Skills: Azure DevopsAzure Load TestC#JmeterLocustAzurePlaywrightPostmanRestsharpSeleniumSpecflowVisual StudioVisual Studio Code
19 Days Ago
Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Machine Learning • Social Media • Software • App development
Develop and enhance functionalities of high-load applications, design architecture, implement services, and ensure quality monitoring in a remote work environment.
Top Skills: .Net CoreAsp.Net CoreC#DockerKubernetesMicrosoft SqlRabbitMQRedis

Top London Companies Hiring .NET Developers

See All
Factset Thumbnail
Software • Big Data
4 Offices
10310 Employees
American Express Global Business Travel Thumbnail
Travel • Software • Fintech • Consulting • Business Intelligence • Big Data Analytics • App development
5 Offices
18000 Employees
Deel Thumbnail
Payments • HR Tech • Fintech • Financial Services
5 Offices
8347 Employees
Frontiers Thumbnail
Software • Artificial Intelligence
Lausanne
3125 Employees
AtkinsRéalis Thumbnail
Professional Services
3 Offices
43531 Employees
wordwall Thumbnail
Edtech
Fully Remote
21 Employees

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