1 to 25 of 26 Permanent Senior .NET Developer Jobs in London

Senior .NET Developer

Location
City Of London, England, United Kingdom
Senior .NET Developer – London (Hybrid Remote) - £75k + 15% Bonus .NET Core & Azure DevOps Modernisation | 2pdw in office | Flexible Culture | Private Medical Insurance | Progression Opportunity Ada Meher is partnered on a search with a leading SaaS business with offices in Marylebone as they recruit an experienced … Senior .NET Developer to join them as they undergo a modernisation project from .NET framework to .NET Core and a cloud-based microservice architecture and also continue to develop new features for their key product suite. They are looking for a candidate who can make ...

Senior .Net Developer – £85,000 - Fully remote

Hiring Organisation
Ashdown Group
Location
Kingston Upon Thames, Surrey, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
Senior .Net Developer – £85,000 - Fully remote Software Developer, Software Engineer – C# .Net - Energy A highly successful and rapidly growing tech business are looking for a Senior .NET Developer to join their Agile delivery team building and evolving secure, high-volume transaction … systems. This is a hands-on senior engineering role where you’ll design and deliver complex features, shape technical standards, and help ensure systems remain secure, scalable and resilient. If you enjoy solving difficult technical problems, working with modern engineering practices, and mentoring others while staying close ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed … house by their small dynamic team of tech professionals. Due to growth a Senior .Net Back End Developer is required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database ...

Senior Developer – C# / .NET / SQL – Hybrid / London

Hiring Organisation
MYO Talent
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £100,000 per annum
Developer/Senior Developer/C#/C#.NET/.NET Core/ASP.NET/SQL/T-SQL/Developer/Programmer/Mentoring/Hybrid/Remote/Salary £50,000 – 80,000 + 15% bonus + car allowance (£70-100k package)/… London/depending on experience and location. My client is scaling their software engineering department and looking to hire a number of Developers/Senior Developers. Location – London – 1-2 days per week in the office My client is happy to consider candidates located anywhere in the UK – salary ...

Senior Application Developer – .NET & Azure Integration Services

Hiring Organisation
Mphasis UK Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Role:- Senior Application Developer.NET & Azure Integration Services Location: London, UK Job Summary We are looking for a highly experienced, hands-on Senior Application Developer.NET & Azure Integration Services who can independently design, develop, test, troubleshoot, and deliver enterprise-grade integration solutions. The candidate … will work on an Enterprise Integration Platform (EIP) built on Microsoft Azure and should have strong experience in .NET Core, Azure Integration Services, APIs, asynchronous messaging, integration patterns, Infrastructure-as-Code and automated CI/CD deployments . Years of experience needed: 12-15 Years of Experience in .Net ...

Senior .Net Developer

Location
Greater London, England, United Kingdom
## Senior .Net DeveloperApplylocations: Londontime type: Full timeposted on: Posted 2 Days Agojob requisition id: JR1001433When you join EDF Trading, you’ll become part of a diverse international team of experts who challenge conventional ideas, test new approaches, and think outside the box.Energy markets evolve rapidly … title. As such, developers must be prepared to do their own analysis and testing in some situations, however they will be supported by Senior Developers and Business Analysts (BA) in the team. A BA will typically be involved in most cases, especially for larger items.In addition, developers are expected ...

Senior .NET Developer

Hiring Organisation
Pontoon
Location
Bromley, Kent, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £750.00 per day
identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior .Net Developer Location : Bromley (3 days per week onsite) Contract: 12 months initially with possible extension. Rate : £700 - £750 inside umbrella … connection with the ongoing support and development of the Collateral business for Global Markets, we are looking for a strong Software Developer to join the technology teams in London, Bromley and Camberley working on a range of applications for GMOT. RESPONSIBILITIES: Develop, enhance and support a range of critical ...

Senior .NET Developer – Hybrid (Azure, Microservices)

Location
City Of London, England, United Kingdom
Meher, on behalf of a leading SaaS business, is seeking a Senior .NET Developer to join their London team on a hybrid remote basis. The role focuses on modernising from .NET Framework to .NET Core, building cloud-based microservices, and delivering new features … core product suite. Ideal candidates will have strong ASP.NET/.NET Core experience, Azure DevOps, and a mindset for ongoing tech improvement, with a path for progression and a competitive benefits package including private #J-18808-Ljbffr ...

Senior .NET Developer — Trading IT Platform

Location
Greater London, England, United Kingdom
Trading Ltd is seeking a Senior .NET Developer to design, build, and maintain multi-asset class applications. The role focuses on Angular front-end (React acceptable) with C# .NET Core backend, Web API, and strong UX considerations. You will collaborate with IT and business teams, contributing ...

Sr .Net Developer

Hiring Organisation
Ascendion
Location
London Area, United Kingdom
Title: Senior .Net Developer (Electronic Trading) Location: London (Hybrid working model) Job Responsibilities/Role: Take responsibility for the software delivery by ensuring quality and scope expectations are met. Contribute and take ownership of the technical design and ensure all aspects of the system architecture are well … documented. Work closely with partner technology teams and to collaborate effectively. Technical Skills Required: Very deep understanding of .Net/.Net Core and Solid understanding of OO principles. Experience in ASP.NET Core Web API and RESTful API techniques Solid understanding of and experience with multi-threading and asynchronous ...

Senior .NET Developer

Hiring Organisation
Avanti
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
with an established software business that is investing heavily in the modernisation of one of it's core platforms and is looking for a Senior Fullstack .NET Developer with strong experience in React. This is a hands-on engineering role where you'll help evolve an established … APIs, increasing automated test coverage and gradually moving functionality towards a modern web-based frontend. You'll remain very hands-on with C#/.NET development while also contributing to software design, architecture and technical decisions across the wider engineering team. The business places a strong emphasis ...

Senior Back-End Developer – .NET / C# - HIGH GROWTH FINTECH!

Hiring Organisation
Robert Half
Location
London Area, United Kingdom
Senior Back-End Developer.NET/C# Are you looking for a new challenge? Looking for autonomy and a seat at the table? London | Hybrid | Fintech The Role A fast-growing fintech is building a new in-house engineering team and is looking for a Senior Back-End Developer to become a key technical hire. You’ll take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud , helping shape architecture, engineering standards and future development. Key Responsibilities Build and maintain C#/.NET microservices Design ...

Senior Back-End Developer - .NET / C# -High Growth SaaS

Hiring Organisation
Robert Half
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior Back-End Developer - .NET/C# Are you looking for a new challenge? Looking for autonomy and a seat at the table? London | Hybrid | Fintech The Role A fast-growing fintech is building a new in-house engineering team and is looking for a Senior Back-End Developer to become a key technical hire. You'll take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud, helping shape architecture, engineering standards and future development. Key Responsibilities Build and maintain C#/.NET microservices Design ...

Senior FullStack .NET Developer

Hiring Organisation
Avanti
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
with an established software business that is investing heavily in the modernisation of one of it's core platforms and is looking for a Senior Fullstack .NET Developer with strong experience in React. This is a hands-on engineering role where you'll help evolve an established … APIs, increasing automated test coverage and gradually moving functionality towards a modern web-based frontend. You'll remain very hands-on with C#/.NET development while also contributing to software design, architecture and technical decisions across the wider engineering team. The business places a strong emphasis ...

Senior .NET Developer - Lead & Mentor (Hybrid, 6m)

Location
Greater London, England, United Kingdom
SEFE Group in London is seeking a Senior Developer to design, develop, and deliver business-critical applications across the trading lifecycle. You will combine hands-on engineering with technical leadership and mentoring to shape SEFE’s technology landscape. You will deliver scalable software for trading, risk, and operations ...

Senior Backend Developer with Umbraco C# .net

Location
Greater London, England, United Kingdom
Senior Backend Developer with Umbraco C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading … eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working ...

Senior ASP.NET MVC Developer - FinTech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior ASP.NET MVC Developer – FinTechQuant Capital is urgently looking for an ASP.NET MVC Developer to join our well-known Fintech50 client who produces software disrupting the wealth management market. The ASP.NET MVC Developer role has come around due to an expansion and strategic change, the ASP.NET … Developer will report to the Development Team Lead. This role offers the ability to move towards Team Lead as well as Development Manager role. The development team works in a very agile fashion on 2 week sprints. The ASP.NET MVC Developer will be fully responsible for production, modification ...

Senior Developer - Risk Technology - C# .NET, Python, Snowflake SQL (Vice President)

Hiring Organisation
Jefferies Financial Group
Location
London, UK
Employment Type
Full-time
external vendor and internally developed analytics libraries to handle curve and vol surface construction and pricing of trades. We are seeking a hands‐on Senior Developer to build and operate a high‐scalable, AWS cloud-based risk platform leveraging a Snowflake database containing trade data, reference data ...

Senior ASP.NET MVC Developer - Kingston

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior ASP.NET MVC Developer – Fintech50Up to 55,000Quant Capital is urgently looking for an ASP.NET MVC Developer to join our well-known Fintech50 client who produces software disrupting the wealth management market. The ASP.NET MVC Developer role has come around due to an expansion and strategic … change, the ASP.NET MVC Developer will report to the Development Team Lead. This role offers the ability to move towards Team Lead as well as Development Manager role. The development team works in a very agile fashion on 2 week sprints. The ASP.NET MVC Developer will be fully ...

Senior ASP.NET MVC Developer - Investment

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior ASP.NET MVC Developer – Investmentup to 50KQuant Capital is urgently looking for an ASP.NET MVC Developer to join our well-known Fintech50 client one of the leading technology firms in the investment and brokerage sector. The firm is completely technology driven and they are disrupting the current … investment model by making investment easily accessible. The ASP.NET MVC Developer role has come around due to an expansion and strategic change, the ASP.NET MVC Developer will report to the Development Team Lead. This role offers the ability to move towards Team Lead as well as Development Manager ...

Senior ASP.NET MVC Developer - Fintech50- Wimbledon (Southwest London)

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior ASP.NET MVC Developer – Fintech50Quant Capital is urgently looking for an ASP.NET MVC Developer to join our well-known Fintech50 client who produces software disrupting the wealth management market. The ASP.NET MVC Developer role has come around due to an expansion and strategic change, the ASP.NET … Developer will report to the Development Team Lead. This role offers the ability to move towards Team Lead as well as Development Manager role. The development team works in a very agile fashion on 2 week sprints. The ASP.NET MVC Developer will be fully responsible for production, modification ...

Senior ASP.NET MVC Developer - Fintech50- Kingston Upon Thames

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior ASP.NET MVC Developer – Fintech50Quant Capital is urgently looking for an ASP.NET MVC Developer to join our well-known Fintech50 client who produces software disrupting the wealth management market. The ASP.NET MVC Developer role has come around due to an expansion and strategic change, the ASP.NET … Developer will report to the Development Team Lead. This role offers the ability to move towards Team Lead as well as Development Manager role. The development team works in a very agile fashion on 2 week sprints. The ASP.NET MVC Developer will be fully responsible for production, modification ...

Senior .NET Cloud & AI Developer (Hybrid, London)

Location
Greater London, England, United Kingdom
Youngs Employment Services seeks a Senior Software Developer to help transform a legacy booking system to Azure-based .NET, while building AI-powered quotation tools. You will deliver production services, perform strangler-fig migrations, and work with AI-assisted development tools in a collaborative, senior ...

Senior Full Stack Developer | C#.NET, React | London

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
Reference: 57984Location: London, United KingdomIndustry: Financial ServicesSalary: 160,000Overview We are seeking a Senior Full Stack Developer to build and enhance high-performance, secure digital products within Financial Services. You will work across backend services and modern web front ends, contributing to architecture, delivery, and continuous improvement. This … role with strong influence over engineering standards, quality, and technical direction. Key Responsibilities Design, develop, test, and maintain scalable services using C#/.NET (ASP.NET Core) and RESTful APIs. Build responsive, accessible user interfaces using React, TypeScript, HTML, and CSS.Implement secure authentication/authorisation (e.g., OAuth2/OIDC ...

Senior Web Developer - .Net

Location
Greater London, England, United Kingdom
report any issues to your Engineering Manager as required. The Ideal Candidate This is an ideal role for developers already in a senior role or those looking to take the step up- willing to lead delivery of features, optimisations and troubleshooting. Required skills: Utilising AI tooling to optimise engineering ...