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Top .NET Developer Jobs in London

22 Hours 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: C#
23 Hours 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.
Top Skills: C#
Yesterday
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 at Smartcat, you will design and implement scalable backend services and APIs, optimize application performance, collaborate with teams, troubleshoot production issues, and participate in code reviews.
Top Skills: .Net CoreC#Python
13 Hours 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.
Top Skills: Mechanical Engineering
13 Hours 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.
Top Skills: HvacHvdc
17 Hours Ago
London, UK
Senior level
Senior level
Legal Tech
As a Senior Software Engineer at Frontiers, you will design, develop, and maintain high-performance applications using .NET and Vue.js. Collaborate with cross-functional teams to enhance existing solutions and contribute to modernizing the platform. Your role will include troubleshooting, code reviews, and mentoring junior engineers for continuous improvement.
Top Skills: .NetVue
Mid level
Legal Tech
The Senior Software Engineer will design, develop, and enhance Frontiers' publishing platform using .NET and Vue.js. Responsibilities include optimizing SQL Server performance, collaborating with cross-functional teams, troubleshooting production issues, and mentoring junior engineers while adhering to best coding practices.
Top Skills: .NetSQL
17 Hours Ago
London, UK
Senior level
Senior level
Healthtech
The Principal HV Cable Design Engineer will oversee the delivery of multi-disciplinary projects, focusing on HV cable design for onshore and offshore applications. Responsibilities include producing design packages, delivering projects within scope and budget, and engaging with clients and industry working groups. Strong communication and customer-focused skills are essential.
Top Skills: Electrical Engineering
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.
Top Skills: .NetC++CSSHTMLJavaScriptPerlTypescript
Mid level
Healthtech
The role requires leading net zero retrofit projects, calculating carbon emissions, and designing solutions for various building types. The candidate will coordinate interdisciplinary teams and manage client accounts while contributing to sustainability strategies and climate resilience efforts.
Top Skills: Mechanical Engineering
Senior level
eCommerce • Consulting
The role involves joining a cross-functional team as a Senior Software Engineer, focusing on backend development using C# and .NET for a large financial services platform. Responsibilities include delivering high-quality software, coaching peers, and collaborating closely with clients to shape projects.
Top Skills: C#,.Net
23 Hours 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.
Top Skills: C#
Senior level
Security • Software • Cybersecurity
As a Senior Software Engineer, you'll develop innovative products for KnowBe4 in a fast-paced agile environment, provide technical direction for team members, define technical solutions, and help align strategic goals with operational plans.
Top Skills: C#PythonRust
3 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.
Top Skills: .Net.Net CoreAngularHTMLJavaScriptQuartzReactSQL
3 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.
Top Skills: .Net Core.Net FrameworkC#PythonSQL Server
6 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.
Top Skills: C#JavaJavaScriptNode.jsPython
2 Hours Ago
Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Machine Learning • Social Media • Software • App development
As a Senior .NET Engineer, you will design architecture for high-load applications, develop and finalize functionality, implement components and services, monitor system status, and write technical documentation.
Top Skills: C#
14 Hours Ago
Remote
London, UK
Entry level
Entry level
Semiconductor
The .NET Software Developer will design, develop, and maintain .NET code for Windows applications, collaborating with cross-functional teams to define features and improve performance. They will also participate in testing and code reviews to ensure high code quality.
Top Skills: .Net,C#
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.
Top Skills: .NetTypescript
19 Hours Ago
Remote
London, UK
Entry level
Entry level
AdTech • Big Data • Analytics
As a .NET Software Developer at Analog Devices, you will design, develop, and maintain efficient .NET code for desktop applications, collaborate with cross-functional teams, participate in code reviews, and perform testing to ensure software quality. The role includes interfacing with hardware and may involve some embedded development.
Top Skills: .NetC#
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: C#JavaScriptPython
5 Days Ago
Remote
London, UK
Entry level
Entry level
Artificial Intelligence • Machine Learning • Social Media • Software • App development
As an ML Ops Engineer, you will set up and support ML bot inference, build scalable clusters, establish CI/CD for ML solutions, and improve inference logic for machine learning tasks.
Top Skills: PythonPyTorch
9 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology
As a Senior Full Stack .NET and Mobile Engineer at IsoMetrix, you will develop and maintain their software solutions, focusing on user experience, performance, and scalability. Responsibilities include front-end and middleware development for their EHS architecture, optimizing applications, and collaborating with team members.
Top Skills: AndroidAsp.NetC#CSSHTMLiOSJavaScriptSQL
9 Days Ago
Remote
London, UK
Senior level
Senior level
Information Technology
The Senior Full Stack .NET Engineer will be responsible for developing and maintaining IsoMetrix Software Solutions, focusing on user experience, application performance, and scalability. This role includes collaborating with the team to create new features, optimize designs, and provide continual enhancements to the flagship EHS architecture.
Top Skills: Asp.NetC#JavaScript
13 Days Ago
Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Machine Learning • Social Media • Software • App development
As a Senior Software Engineer (.NET) at SDG, you will modernize a monolithic application into a microservices architecture, develop APIs for service communication, optimize database interactions, and collaborate with DevOps on CI/CD techniques and cloud deployment.
Top Skills: .NetC#
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