Senior .NET Developer Jobs in London

1 to 25 of 39 Senior .NET Developer Jobs in London

Senior Technical Java and C# .net Software Developer

London, England, United Kingdom
Jas Gujral
Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. … retail business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical … lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail/digital technology experience is essential · Experience in SalesForce Service and Marketing Clouds · Safety Knowledge: · Provides a consistent outstanding role model in More ❯
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Senior .NET Developer

London, England, United Kingdom
Endeavour Recruitment Solutions
Entity Framework VSTS Cloud Deployment CI/CD Azure Service Bus Web Apps Automation TDD Solid Principle A Marketing client, based in Central London is looking for an experienced .NET developer to join their team. The ideal candidate will have demonstrable experience of Cloud deployment with Azure and full SDLC. The successful developer will be involved in … thorough information that can be easily understood Excellent attention to detail, produces accurate work, task driven, and good problem solving skills. Advanced skills in a Microsoft ASP.Net environment. C# - .Net Core 2 – SQL - MVC – WebAPI Entity Framework (Code First) Experience in using Visual Studio Team Services (VSTS) Cloud deployments methodology experience (CI/CD) TDD – Test Driven Development Container More ❯
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Sr. C#.Net (core) developer to support support team in delivering bug/fixes, operational enhanc[...]

London, England, United Kingdom
S.i. Systems
Social network you want to login/join with: Sr. C#.Net (core) developer to support support team in delivering bug/fixes, operational enhancements, and new functionality to existing in-house software, London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: ddd7fb030e85 Job Views … Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Our valued client is looking for a Sr. C# .Net (core) developer to support support team in delivering bug/fixes, operational enhancements, and new functionality to existing in-house software This is a remote opportunity (Eastern Time Zone Hours) Tasks include: Plan, coordinate and oversee activities related to More ❯
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Senior .Net Core Developer – 65K – AWS, No SQL

London, England, United Kingdom
Ascent People Ltd
Senior .Net Core Developer – 65K – AWS, No SQL Location: Yorkshire Industry: IT Salary: £60000 - £65000 per annum + Healthcare, Pension, Flex hours Posted: 22/04/2024 Description: Senior .Net Core Developer/C# Developer, Analyst Programmer, DDD, AWS, Cloud, Azure, Dotnet/C#/.Net, Microsoft Stack, ASP.Net, MVC, WEB … NoSQL, API, 65K + package – 2 days in office. * Do you have a solid background in ASP.Net MVC, C#? * As a Senior Developer can you start a fresh project, work on your initiative, and deliver the application? This role is not just working on existing code. * Have you worked with NoSQL databases such as Neptune, Dynamo, or MongoDB … with NoSQL databases, anything from MongoDB, Dynamo, Cassandra, or CouchDB. You don’t need to come with AWS experience, but any Cloud-based development will be beneficial. Role: This Senior .Net Core Developer/Full Stack Developer role will have you working in a modern development environment embracing DDD and .Net Core, working closely with More ❯
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Senior Technical Java and C# .net Software Developer

London, England, United Kingdom
Onyx-Conseil
Job Description Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer - who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with … retail business acumen and customer focus. Provide governance for troubleshooting complex system issues as necessary. Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: 5+ years of senior technical … lead experience. 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS. Retail/digital technology experience is essential. Experience in SalesForce Service and Marketing Clouds. Safety Knowledge: Provides a consistent outstanding role model More ❯
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Lead Senior Specialist (Back-end .NET Developer)

London, United Kingdom
Hybrid / WFH Options
Cooper Lomaz Recruitment Ltd
Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a … developments. Requirements: Skills and Experience: Experience : A minimum of 10 years in C# development. Technical Proficiency : Strong coding and unit testing skills (C#, LINQ, SQL) and extensive knowledge of .NET frameworks (e.g., Entity Framework). Database Expertise : Familiarity with various databases, including MySQL, Oracle, Azure SQL Server, MongoDB, and Cosmos DB. Independent Work : Ability to work autonomously as part More ❯
Employment Type: Permanent
Salary: £110000 - £120000/annum
Posted:

Lead Senior Specialist Back-end .NET Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Cooper Lomaz Recruitment
Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a … developments. Requirements: Skills and Experience: Experience : A minimum of 10 years in C# development. Technical Proficiency : Strong coding and unit testing skills (C#, LINQ, SQL) and extensive knowledge of .NET frameworks (e.g., Entity Framework). Database Expertise : Familiarity with various databases, including MySQL, Oracle, Azure SQL Server, MongoDB, and Cosmos DB. Independent Work : Ability to work autonomously as part More ❯
Employment Type: Full-Time
Salary: £110,000 - £120,000 per annum
Posted:

: Senior Full Stack Developer / Engineering Lead - .NET & JavaScript

London, United Kingdom
Us Bank
the latest technology. As part of our team, you can explore what motivates and energizes your career goals: partnering with our customers, our communities, and each other. Job Description Senior Full Stack Developer/Engineering Lead - .NET & JavaScript US Bank are hiring a Senior Full Stack Developer who can design, develop, and lead the creation … focused on building user-driven applications that automate operations, streamline workflows, and support regulatory and risk reporting across the business. They will work closely with operations, data teams, and senior stakeholders to shape systems used daily by hundreds of users. Key Responsibilities Design and build robust full-stack applications using the Microsoft stack (.NET Core, C#, JavaScript, EF … product rollouts, user training, and continuous improvement cycles Ideal Candidate Will Have: 10+ years in software engineering with experience across the full stack Deep hands-on expertise with C#, .NET Core, ASP.NET, JavaScript, EF (EF6 and EF Core) Experience building internal platforms or tools used by non-technical business users Strong frontend skills: JavaScript, HTML, CSS, Bootstrap, D3.js or More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior.NET Developer

London, England, United Kingdom
Hybrid / WFH Options
Version 1
and we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description As a Senior .NET Developer, you'll be responsible for delivering software components that form part of an application, product or service. You'll write robust, maintainable, performant code for … You will be operating the applications/services you build and contribute to the wider project development. Qualifications Preferably full-stack.Net Core with (HTML, CSS, Javascript) Experience with ASP .Net MVC 5, REST Web APIs Practical development knowledge of Azure services .NET Web API, Rest and OData Web Services In depth knowledge of software development practices and software More ❯
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Senior Full Stack Developer - .NET, Blazor

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Full Stack Developer - .NET, Blazor, west london col-narrow-left Client: Oliver Bernard Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack Developer - .NET, Blazor Fully remote working (UK based ) Salary paying £65,000-£70,000 Our client in the retail space are a market leader in providing warehousing, manufacturing and logistic services across the UK. This is a great opportunity to work on a migration piece moving from ASP.NET MVC to modern Blazor as they look to roll out a … new system. They are also undergoing a migration to .NET 9. They are looking for a Senior Full Stack Developer who has experience with .NET Framework/Core and Blazor. Tech Stack: C#, .NET Core, SQL, Blazor, Rest APIs, ASP.NET MVC, Azure, Entity Framework, Git, This is a fully remote role and you must be More ❯
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Senior Full Stack Developer - .NET, Blazor

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Job Description: Senior Full Stack Developer - .NET, Blazor Location: Fully remote (UK-based only) Salary: £65,000-£70,000 Our client, a leader in the retail space providing warehousing, manufacturing, and logistics services across the UK, is seeking a Senior Full Stack Developer (Backend weighted) to join their team. This role involves working on a … new system rollout and participating in a migration project to .NET Core 9. Requirements: Experience with .NET Framework/Core and Blazor Proficiency in C#, SQL, REST APIs, ASP.NET MVC, Azure, Entity Framework, Git Based in the UK (EU work permit required) Additional Details: Working hours: 9am-5pm, Monday to Friday Visa sponsorship is not available for this More ❯
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Senior C# .NET Developer

London, England, United Kingdom
FIS. Empowering the Financial World
celebrate together. If you want to advance the world of fintech, we’d like to ask you: Are you FIS? About the role: We are looking for an experienced Senior C# .NET Developer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on client … PTP Platform is a leading-edge, cloud-based Securities Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. About the team: As a Senior C# .NET Developer, you’ll be part of our PTP Platform development group. The group is broken into smaller scrum teams that each hold responsibility for a … area of system functionality. You’ll become involved with all phases of the development lifecycle and take ownership of key functional areas. What you will be doing: As a Senior C# .NET Developer, you will be involved in: Analysis of user requirements and translation into solution design using the most appropriate technique for the job (including mockups More ❯
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Senior C# .NET Developer | London, UK

London, England, United Kingdom
FIS, Inc
celebrate together. If you want to advance the world of fintech, we'd like to ask you: Are you FIS? About the role: We are looking for an experienced Senior C# .NET Developer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on client … PTP Platform is a leading-edge, cloud-based Securities Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. About the team: As a Senior C# .NET Developer, you'll be part of our PTP Platform development group. The group is broken into smaller scrum teams that each hold responsibility for a … area of system functionality. You'll become involved with all phases of the development lifecycle and take ownership of key functional areas. What you will be doing: As a Senior C# .NET Developer, you will be involved in: Analysis of user requirements and translation into solution design using the most appropriate technique for the job (including mockups More ❯
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Senior Dotnet Developer

London, England, United Kingdom
Espire Infolabs
among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Espire Infolabs Espire Infolabs is hiring for Senior .Net Developer for London, UK location. Role : Dot Net Developer/Lead Location: London, UK(3 Days/week onsite) Desired Industry Experience: 7+ years Job … Description: Proven experience as a .NET Core Developer with expertise in Microsoft Azure. Proficiency in C# and .NET Core for server-side development. Excellent Coding skills and best practices Strong experience of Azure services, including but not limited to Azure App Service, Azure Functions, Azure SQL Database, and Azure DevOps. Experience with containerization technologies (e.g., Docker) and … Strong problem-solving and debugging skills. Excellent communication and teamwork skills. Self-motivated with a passion for learning and staying current with industry trends. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Espire Infolabs by More ❯
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Senior .Net Developer Banking/Middle Office

London, South East, England, United Kingdom
Become
Our client are looking for a Senior .Net Developer to Design, develop and support custom software solutions for the company in the post trade processing and risk management space. The role will focus on delivering applications covering technology stacks of .NET, React, SQL Server and Azure. Key Skills & Abilities - Experience with developing web apps with ASP.Net More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior C# Developer .Net AWS - FinTech

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer … a hybrid policy, with two days in the brand new London offices and flexibility to work from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS … analysis and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

Senior C# Developer .Net AWS - FinTech

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer … a hybrid policy, with two days in the brand new London offices and flexibility to work from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS … analysis and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after More ❯
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Senior C# Developer - C#, .NET Core, SQL - London- Prop trading / Quant/ Systematic Trading

London, England, United Kingdom
eFinancialCareers
Summary: A boutique prop trading firm with a strong focus on high quality technology and systematic and quant trading models are looking for a Senior C# Developer to join their small, agile, London-based team. With zero red tape or bureaucracy often associated with bigger buy-side firms and investment banks, this London-based team of engineers, researchers … modellers and traders know how to get things done in a cutting-edge market. Working next to the business, the successful C# Developer will be working with vast, complex data sets, and will be building algorithmic trading models and infrastructure in C#/.NET Core and SQL, directly with London-based quants and traders. Requirement s: Degree-level More ❯
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Senior.NET Full Stack Developer

London, England, United Kingdom
Hybrid / WFH Options
Software Development & Engineering
Join the Future of Gaming Technology! Become a Senior .NET Full Stack Developer with a Cutting-Edge Multi-National Company! Location: Remote UK Salary: Up to £90,000 + Benefits Position: Senior .NET Full Stack Developer Are you a seasoned .NET Full Stack Developer with a passion for technology and innovation? Do … gaming technology company on a mission to revolutionize the gaming industry. Our cutting-edge solutions are at the forefront of gaming innovation, and we are looking for a talented Senior .NET Full Stack Developer to join our ambitious and forward-thinking team. Why Join Us? Innovative Projects: Work on groundbreaking features and applications that redefine the gaming … within the organisation. What You'll Do: Business Solutions: Translate business requirements into working solutions, from concept to deployment, within specified deadlines. Full Stack Development: Utilize the Microsoft Stack (.NET, C#, .NET 6, ASP.NET Core/MVC) and web technologies (Angular, Vue, React) to build robust, scalable applications. Database Management: Optimize queries, stored procedures, and functions with SQL More ❯
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Senior .Net Developer

London, England, United Kingdom
Hybrid / WFH Options
Itiviti AB
We are looking for a seasoned .NET Developer to join our Development team, working on an advanced financial software platform designed for investment management firms. Our powerful platform integrates portfolio management, order management, electronic trading, compliance, and risk into a unified solution, covering the entire investment cycle from order origination to compliance-checking and trade execution. Key Responsibilities More ❯
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Senior C#.net Developer Front office

London, England, United Kingdom
Hybrid / WFH Options
Onyx-Conseil
Senior C#.NET Developer - Front Office The Front Office (Fixed Income) software development team requires an agile and versatile specialist who is a team player with extensive expertise in .NET/C# software development. The role demands an experienced individual comfortable working closely with a variety of front office stakeholders globally. Role Details Title: Senior Developer (Software Engineer) Technical Stack: C#.NET, .NET Core, SQL Server Type: Permanent Salary: £88,000 - £110,000 Location: London City and hybrid home working Focus: Front Office Fixed Income Role Summary Work closely with the Front Office (specifically within Fixed Income) to build and develop innovative software solutions. Reporting directly to the Head of Fixed Income IT Development, this … develop new software primarily using C#.NET and SQL Server. This is a strong team with an excellent reputation, actively expanding their front office capabilities. Role Requirements Proficiency in C#.NET, .NET Core, and SQL Server Experience with Front Office trading systems, including low-touch e-trading platforms Understanding of Fixed Income Banking is beneficial; training will be provided This role More ❯
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Senior C# Developer.Net AWS - FinTech

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Social network you want to login/join with: Senior C# Developer.Net AWS - FinTech, London col-narrow-left Client: Client Server Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: Job Views: 5 Posted: 27.06.2025 Expiry Date: 11.08.2025 col-wide Job Description: Senior C# Developer/Software Engineer (C# … .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer you will architect and build highly performant and scalable … a hybrid policy, with two days in the brand new London offices and flexibility to work from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS More ❯
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Senior .NET Developer - £550-£650 (Outside IR35)

City of London, London, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Senior .NET Developer Location: Central London, hybrid working, 1 day a week onsite. Day rates: £550-£650 (Outside IR35) Duration: 6 months initially with likely extensions Our client are on an exciting greenfield journey to build a brand-new, cloud-native platform. You will work closely with product owners, analysts, and other engineers to shape and build … from the ground up. You’ll contribute to the full software lifecycle, from design and development to deployment and operation in production. They're building this platform in modern .NET and Azure PaaS. Must-haves: Senior-level experience developing in C#, .NET Core Strong understanding of APIs using ASP.NET, MVC, Web API, etc. Experience working on Event More ❯
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Senior .NET Developer - £550-£650 (Outside IR35)

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Senior .NET Developer Location: Central London, hybrid working, 1 day a week onsite. Day rates: £550-£650 (Outside IR35) Duration: 6 months initially with likely extensions Our client are on an exciting greenfield journey to build a brand-new, cloud-native platform. You will work closely with product owners, analysts, and other engineers to shape and build … from the ground up. You’ll contribute to the full software lifecycle, from design and development to deployment and operation in production. They're building this platform in modern .NET and Azure PaaS. Must-haves: Senior-level experience developing in C#, .NET Core Strong understanding of APIs using ASP.NET, MVC, Web API, etc. Experience working on Event More ❯
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Senior .NET Developer
London
10th Percentile
£57,500
25th Percentile
£75,313
Median
£92,500
75th Percentile
£102,500
90th Percentile
£103,100