401 to 425 of 510 C# Jobs in London

Senior Backend Engineer (.NET)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
growing technology organization and bring your coding expertise to a highly skilled engineering team. We are looking for a hands‐on Senior .NET/C# Software Engineer to help simplify a complex, highly secure payment stack and modernize our vault systems. In this role, you will seamlessly integrate into … deliver high-quality backend code based strictly on pre‐defined architecture and technical designs. Maintain Excellence: Write clean, maintainable, and testable .NET/C# code, seamlessly submitting and managing Pull Requests (PRs) within established workflows. Modernize Systems: Help simplify the payment stack by supporting the transition from legacy vault infrastructure ...

Senior Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
maintenance of key elements of ZetiOS. You will drive our quality standards and deliver best-in-class functionality across our full tech stack, including C# on Azure Functions, Azure Cosmos DB, and React with TypeScript and Material UI. You’ll be expected to thrive under pressure and be comfortable taking … constantly exploit new tools and technologies for maximum productivity. Day-to-day activities Write, test, and maintain clean, efficient, and reliable code in C# for Azure Functions and in React with TypeScript and Material UI for the frontend. Utilize Azure Cosmos DB to design and manage efficient data models. Work ...

Credit Risk Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day
agile high quality software changes and solutions, help running Scrums, Sprints and creating and deploying Releases. Providing guidance and advice on .Net, .Net Core, C#, and other development tools and languages, their usage and upgrades, and leveraging them to maximise the business benefit. Frequent .Net/C# tasks such ...

API / Integration Developer (SC Cleared)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
focused on delivering bespoke integrations between internal systems, cloud platforms and third-party applications. The ideal candidate will have strong experience across Azure and C#/.NET , alongside a proven background in developing and supporting complex integration solutions. Candidates with strong integration experience using Python or other comparable programming languages … maintain integrations with third-party applications and services. Build and support cloud-based solutions using Microsoft Azure . Develop integration components and applications using C#/.NET or another suitable programming language. Work with APIs, web services and other integration technologies. Troubleshoot and resolve complex integration and application issues. Work ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London (flexible working with 3 days per week regularly expected in office) Job Type : Full-time Salary & equity : £100k+ Tech Stack : React, Typescript, Python, C#, Azure Must-Haves : Experience: 8+ years, including a track record of shipping production systems Back-end experience - ideally Node.js/TypeScript in a production … context and comfortable reading across other languages (C#, Python) Solid grasp of distributed systems fundamentals: async queues, event-driven workflows Track record of hiring and growing engineerings Comfortable in a startup environment where you’re building the process alongside the product What will make your CV stand out: Experience with ...

Senior Software Engineer (C++)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
attitude to the tasks. You will be involved in varied technical solutions, ranging from C and C++ through to the latest .NET technologies using C# and WPF. These applications form part of an integrated suite, based around a core SQL database. Your Main Responsibilities Implementing user stories and resolving issues … goals. Your Experience Windows application software engineering/programming skills with balance of .Net and legacy windows forms work Strong knowledge of C++ and C# Strong Knowledge of WPF and XAML Strong experience of Microsoft Visual Studio Strong experience of developing with relational databases Experience of Azure DevOps would ...

Engineering Team Lead - 12 month FTC

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
other Team Leads, and representing the squad's constraints and progress in tribe-level planning. What you’ll bring: We're a Microsoft shop: C#/.NET is our core backend language, on Azure, cloud‐first. The Bank Portal specifically runs on .NET (Aspire, Duende BFF, YARP) with a React … while backend depth is the priority, comfort reviewing across a full‐stack architecture matters more here than on a purely backend squad. Strong commercial C#/.NET experience, with a solid grasp of SOLID, event‐driven architecture and DDD RESTful API design and SQL skills Cloud‐native Azure development Enough ...

Software Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
prioritisation, and serve as a servant leader who grows the people around you while shipping high-quality, impactful software. Technical Environment Languages & frameworks: C#/.NET Cloud: We work in Azure, and welcome experience across AWS or GCP Architecture: Event-driven systems and microservice development - we use Azure Service … experienced, low-ego engineering leader who brings both technical depth and a genuine passion for growing people. Required Experience: Strong hands-on background in C#/.NET backend development Proven experience with Azure, AWS, or GCP - we work in Azure but welcome experience across major cloud providers Solid understanding ...

Fullstack Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
support, to develop and implement the company's technical vision. This includes: Write clean, maintainable, and efficient code across the full stack in C# or TypeScript. Create and integrate with RESTful APIs for internal and external use. Developing complex interfaces using ReactJS and TypeScript. Develop, deploy, and maintain scalable, resilient … paced environment, e.g. in scaleups Able to communicate clearly and efficiently within our product & engineering team Technical skills and experience should include Proficiency in C# and TypeScript (Java or Python is a plus). React.js and Single‐Page Application development. Developing and deploying containerised applications within the context of cloud ...

Senior Software Engineer | Full-Stack

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
negotiate the right trade-offs to ship value faster. Drive Technical Pragmatism: You will avoid "Resume-Driven Development." Whether using our core stack (C#/.NET Core, Python, Kubernetes, React) or exploring new tools, you choose the technology that solves the customer problem most effectively, ensuring long-term maintainability over … before writing a line of code. You have a track record of shipping features that solve real business problems. Polyglot & Adaptable: While experience with C#/.NET Core or React is a bonus, we value engineers who can pick up the right tool for the job. You are comfortable traversing ...

RPA Developer - UiPath

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £600 per day
UiPath RPA Developer -London (Hybrid) - 6-12 month contract Role: UiPath RPA Developer (Contract) Location: London (Hybrid Working) Contract: Initial 6 months (extensions likely) Rate: £350 - £600 p/day depending on experience Robert Half ...

Principal Software Engineer - C#

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
hour, multi‐region trading operations (follow‐the‐sun handover, timezone‐aware processing across London/New York/Singapore). Expert‐level C#/.NET (LTS): back‐end services with ASP.NET Core. Experience designing and delivering event‐driven, service‐oriented back‐end systems (message brokers, async workflows, API design ...

Principal Software Engineer - C#

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
hour, multi-region trading operations (follow-the-sun handover, timezone-aware processing across London/New York/Singapore)Technical:* Expert-level C#/.NET (LTS): back-end services with ASP.NET Core.* Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design ...

Principal Software Engineer - C#

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
hour, multi-region trading operations (follow-the-sun handover, timezone-aware processing across London/New York/Singapore)Technical:Expert-level C#/.NET (LTS): back-end services with ASP.NET Core.Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design ...

Lead Fullstack Engineer (C#, .Net, Angular)

Hiring Organisation
ReVybe IT Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £125000/annum
Lead Full Stack Engineer (C#, .Net, Angular) Central London (1/2 times a week in the office) Up to £125,000 + Benefits We're partnering with an ambitious fintech startup that's entering an exciting phase of growth, and they're looking for a Lead Full Stack Engineer … across both backend and frontend development, contributing to the design and delivery of new features. Design, develop, and maintain scalable backend services using C# and .NET. Build modern, responsive, and intuitive user interfaces using Angular, JavaScript, and TypeScript. Collaborate closely with Product, UX/UI, and Engineering teams to deliver ...

Lead Full Stack Engineer (C#, .Net, Angular)

Hiring Organisation
Revybe IT Recruitment Ltd
Location
Central London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £125,000 per annum
Lead Full Stack Engineer (C#, .Net, Angular) Central London (1/2 times a week in the office) Up to £125,000 + Benefits We're partnering with an ambitious fintech startup that's entering an exciting phase of growth, and they're looking for a Lead Full Stack Engineer … across both backend and frontend development, contributing to the design and delivery of new features. Design, develop, and maintain scalable backend services using C# and .NET. Build modern, responsive, and intuitive user interfaces using Angular, JavaScript, and TypeScript. Collaborate closely with Product, UX/UI, and Engineering teams to deliver ...

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
.NET Developer, C# 14, WPF - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) In just over three years our client's community has grown to over 150 million people. They enable their users to share photos … product that will have a dramatic impact on the company's growth. .NET Developer applicants should have a skill set that includes: .NET, C#, WPF and SQL Server. Our client will give you the opportunity to work on enterprise level software development projects and provide training into: .NET 10.0, C# ...

Senior Full-Stack Software Engineer – C#/.NET & TypeScript

Hiring Organisation
Focus on WD
Location
City of London, London, United Kingdom
Senior Full-Stack Software Engineer – C#/.NET & TypeScript 6-Month Contract Hybrid London 2 Days Onsite We’re looking for an experienced Senior Full-Stack Software Engineer to join a London-based team on a 6-month contract. You’ll be responsible for code quality, technical review and release … backend, frontend and Node.js services, working closely with internal teams and external delivery partners. Key Requirements 8+ years’ software engineering experience with expert-level C#/.NET and TypeScript . Strong recent experience with .NET 6/7/8 and ASP.NET Core . Must have production experience with NestJS. ...

.NET Developer, Graduate / Junior

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £45,000 per annum
.NET Developer, Graduate/Junior - Computer Gaming Company - London (Tech stack: Graduate/Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, Graduate/Junior .NET Developer) Having sold over … suitable Graduate/Junior .NET Developer who have recently graduated from university and have a basic understanding of the .NET framework (.NET Core, C#) which might have been acquired as part of your degree course or through a placement year in industry. Our client can provide with exposure to: .NET ...

Senior Software Engineer | API Enterprise | Full-Stack

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fast response times and data residency. You're a strong communicator who's comfortable owning product decisions and implementing them. Backend Mastery at Scale (C#/.NET): You have deep expertise designing scalable backend systems, RESTful APIs, and distributed architectures, primarily in C#/.NET, and you've worked with ...

Software Development Manager

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum plus benefits
+ benefits If you're a technically strong engineering leader who built your career on solid engineering foundations (whether in C#/.NET or modern JavaScript frameworks) and still care deeply about code quality, DevOps maturity, and scalable systems, this is a genuinely exciting opportunity. We're partnered with … standards and lead the next phase of platform evolution. The Tech Environment The company's stack has evolved. Originally built on a Microsoft/C#/.NET foundation, the platform has transitioned to a more modern stack including: NestJS/NodeJS, Vue, Redis, SQL Server, Snowflake. They are open ...

Tech Lead - Optimisation Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
MILP, constraint programming, heuristics/metaheuristics) and how they impact product design. Hands‐on programming experience in one or more mainstream languages (Python, Java, C#, C++), with the ability to review and guide code quality. Experience integrating and operating optimisation components (solver orchestration, model/service boundaries, runtime configuration, fall … Tools Optimisation: Gurobi (or equivalent), model libraries/APIs, batching/warm starts, parameter management, sensitivity analysis. Languages: Python and/or Java/C#/C++ (based on team stack). Services: REST/gRPC APIs, microservices and/or modular monoliths, asynchronous job orchestration. Data: SQL, data pipelines ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
AWS. Our systems power regulatory reporting for major financial institutions, requiring precision, traceability, and reliability. Key Responsibilities Build and maintain core domain services using C# and .NET. Deliver high-quality, well-tested, maintainable code. Review peers’ code and contribute to a strong, consistent engineering standard. Build systems that are auditable … Data Engineering, DevOps, QA, and Regulatory teams to turn requirements into working software. About You Required Experience Strong hands-on experience building services with C# and .NET. Solid experience working in event-driven (we use Kafka), service-based systems. Familiar with Domain-Driven Design and hexagonal architecture. Strong software engineering ...

Senior Software Engineer, Windows/Desktop Applications - London, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
What You’ll Do Lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI (or related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross … robust architectural or design solutions. An ideal candidate should have Required 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM). Deep understanding of Windows application architecture, including interop between ...