726 to 750 of 953 C# Jobs in the UK

Mid-Senior .NET Developer

Hiring Organisation
Central Employment Agency (North East) Limited
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£50,000
development and architecture design of software solutions • Assist the Lead in creating scalable and maintainable codebases using best practices in C#, ASP.NET, and other related technologies • Coach other team members where needed to improve their skills and the delivery of projects • Manage tickets (incidents) appropriate to the Development team • Maintain … Take responsibility for Information Security in compliance with ISO27001 Skills Required: • 3-5 years of experience in software development, ideally full stack. • Proficiency in C#, ASP.NET MVC/Core, Razor, and Entity Framework • Strong understanding of RESTful APIs, JSON, and integrations with third-party services • Experience with source control systems ...

.NET Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Southampton, England, United Kingdom
applications and APIs that support both internal teams and customer-facing services. What You'll Be Doing Developing and maintaining full stack applications using C# and .NET Designing and building RESTful APIs that support internal and external services Contributing to new greenfield projects , as well as improving existing systems Supporting … high-quality solutions Participating in code reviews and technical discussions to improve engineering standards What We're Looking For Commercial experience developing applications with C#/.NET Strong understanding of RESTful API development Experience or familiarity with cloud platforms (Azure preferred) A proactive mindset and enthusiasm for learning new technologies ...

Senior Software Engineer

Hiring Organisation
TRITANIUM
Location
City of London, London, United Kingdom
across multidisciplinary engineering teams, providing technical leadership while remaining hands‐on with complex systems. What You’ll Do Build production‐grade software using .NET C#, Python , and modern backend technologies Design and prototype services using containerised microservices Apply and challenge engineering best practices to continuously improve quality Make sound technical … culture of technical excellence What You Bring Degree in Computer Science, IT, or related field 5+ years’ experience building backend systems with .NET C# and ASP.NET Core Web APIs Strong understanding of Clean Architecture , CQRS , ideally with MediatR Experience with communication protocols: TCP/IP, UDP, REST, gRPC, SignalR Familiarity ...

Senior Software Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
operating in a secure environment. Responsibilities: Designing, developing and maintaining features across secure communications and decision support platforms Building and maintaining backend services using C# and related technologies Developing and enhancing user interfaces using React Contributing to security focused system design when working with highly sensitive data Taking ownership … engineers, product specialists and stakeholders and, at senior level, contributing to mentoring and technical discussions About You Strong commercial experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices ...

Senior Dynamics Developer

Hiring Organisation
Nigel Frank International
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
/React, including dataset and field controls with appropriate testing. Engineer server-side extensions such as plugins, custom workflow activities, and custom actions in C# Shape and query Dataverse data using FetchXML, OData, Web API, and QueryExpression with security-aware filtering. Integrate Dynamics/Dataverse with internal and external systems … Canvas apps. Experience Deep hands-on experience delivering production solutions across Dynamics 365, Dataverse, and the wider Power Platform. Strong engineering capability in C# (plugins, workflow activities), TypeScript/React (PCF), and Power FX for Canvas apps. Proven expertise customising model-driven apps, including UI enhancements, client-side scripting ...

Software Engineer, C++, Python, Cloud, Engineering Platform, Manufacturing, COR751

Hiring Organisation
Corriculo Ltd
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
production-ready software, contributing across the full development lifecycle. You'll be involved in developing modular software components using technologies such as C++ and C#, integrating third-party and in-house tools, and deploying solutions within a secure cloud-based environment. Responsibilities will include designing and developing platform modules, integrating … Software Engineer looking for an exciting new role in a challenging and rewarding environment, then please apply today to learn more! Software Engineer, C#, C++, Python, Cloud, Engineering Platform, Manufacturing Corriculo Ltd acts as an employment agency and an employment business. #MR, #ChannelA, #INDDEV ...

C# .NET Developer

Hiring Organisation
Proactive Appointments
Location
Taunton, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 35,000 - 50,000 Annual
their growing development team on a permanent basis. This role is ideal for someone who already has 2-3 years commercial experience with C# and .NET Core and is looking to take the next step in a collaborative, forward-thinking environment. Responsibilities: Build, test, and deploy scalable applications using C# … effective. Qualifications & Experience: Bachelor's degree in computer science, engineering, or a related field 2-3 years commercial experience in development Experienced in C# and .NET Core Understanding of RESTful API design and integrations Understanding of CI/CD Pipelines and Git Desirable, but not essential: Experience with Azure Understanding ...

Tech Specialist

Hiring Organisation
Tech Mahindra
Location
Reading, England, United Kingdom
About Us: Tech Mahindra offers technology consulting and digital solutions to global enterprises across industries, enabling transformative scale at unparalleled speed. With 150,000+ professionals across 90+ countries helping 1100+ clients, TechM provides a full ...

Dotnet Developer

Hiring Organisation
Accenture
Location
Leeds, England, United Kingdom
Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the ...

Senior Software Engineer (C# / WPF)

Hiring Organisation
Oscar Associates (UK) Limited
Location
Bicester, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
their software products within a .NET environment. Successful candidates for this position must have a minimum of 5+ years' experience developing with .NET, C#, WPF, as well as experience with UI development. Key Responsibilities: Work on cross-platform projects including cloud-based, RESTful APIs, and client/server-based solutions. … improvement in existing or new software products. Provide guidance, mentoring, and technical support to junior team members. Essential Skills: .NET/.NET Core Frameworks C#/WPF Web client-server application development UI Development Strong communication and teamwork, able to work effectively across technical and non-technical teams. Minimum ...

Software Developer (C++ / C# / Cloud)

Hiring Organisation
Marquis
Location
Pangbourne, Berkshire, UK
system architecture, with the ability to work both independently and collaboratively. Key responsibilities Design, develop, and maintain robust software applications using C++ and C# in Windows environments Contribute to system architecture and technical design decisions Develop and deploy applications in cloud environments, particularly AWS (including serverless architectures) Collaborate with cross … serverless technologies (e.g., Lambda, API Gateway) Several years' professional software development experience Demonstrated involvement in software architecture and system design Desirable skills Experience of C# and .NET development Experience in web UI development Proficiency in JavaScript and/or Node.js Experience with Python Familiarity with macOS development environments Experience with ...

Software Developer (C++ / C# / Cloud)

Hiring Organisation
Marquis
Location
Pangbourne, England, United Kingdom
system architecture, with the ability to work both independently and collaboratively. Key responsibilities Design, develop, and maintain robust software applications using C++ and C# in Windows environments Contribute to system architecture and technical design decisions Develop and deploy applications in cloud environments, particularly AWS (including serverless architectures) Collaborate with cross … serverless technologies (e.g., Lambda, API Gateway) Several years' professional software development experience Demonstrated involvement in software architecture and system design Desirable skills Experience of C# and .NET development Experience in web UI development Proficiency in JavaScript and/or Node.js Experience with Python Familiarity with macOS development environments Experience with ...

C# / .Net Software Engineer (Freelance / contractor)

Hiring Organisation
Qim info
Location
London Area, United Kingdom
Strong expertise in API integration, REST API design and exposure, interface-driven architectures, integration-heavy environments, abstraction layers, system decoupling Backend Development: .NET Core, C#, API services, integration services Architeture & Platforms: Design of scalable and reusable integration layers, interoperability with multiple systems (internal & external), data platforms and downstream applications Methodologies ...

Lead Developer C# Azure .Net Dynamics

Hiring Organisation
interAct Consulting Limited
Location
Northampton, Northamptonshire, UK
Employment Type
Full-time
vendors, and Microsoft platform providers. Essential experience Extensive experience with Dynamics 365 CRM on-premise and MS Portals. Experience with Dynamics 365 CE. Strong C#/.NET experience, including custom plugins and workflows. Strong client-side development experience, including JavaScript, form scripting, and ribbon customisation. Strong understanding of Azure services ...

Lead Developer C# Azure .Net Dynamics

Hiring Organisation
Interact Consulting Limited
Location
Towcester, Northamptonshire, East Midlands, United Kingdom
Employment Type
Contract
vendors, and Microsoft platform providers. Essential experience Extensive experience with Dynamics 365 CRM on-premise and MS Portals. Experience with Dynamics 365 CE. Strong C#/.NET experience, including custom plugins and workflows. Strong client-side development experience, including JavaScript, form scripting, and ribbon customisation. Strong understanding of Azure services ...

Senior Software Engineer

Hiring Organisation
Applause IT Recruitment Ltd
Location
Crewe, Cheshire, United Kingdom
Employment Type
Permanent
Senior C# Developer - Telecoms - Crewe (Hybrid) £Competitive + Bonus + Benefits A fantastic opportunity has arisen for a Senior C# Developer to join a growing telecoms-focused technology team based in Crewe. This role is ideal for a Senior C# Developer who wants to progress into a leadership position while … remaining hands-on. The successful Senior C# Developer will contribute to the development of scalable software solutions, working within a microservices environment and supporting the evolution of internal systems. Responsibilities Develop and maintain applications using C# and .NET technologies Design microservices and integrate external APIs Enhance existing systems and troubleshoot ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering environment. You’ll work directly with … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Software Engineer (C# / .Net)

Hiring Organisation
Laboris Solutions
Location
Oxfordshire, England, United Kingdom
Software Engineer (C#/.NET) | Join a Fast-Growing IoT & Industrial Tech Company Location: Oxfordshire (On-site - Non Negotiable) Type: Full-time, Permanent Are you a passionate Software Engineer looking to work at the cutting edge of IoT, real-time systems, and industrial safety technology Laboris Solutions is working with … next-generation automation systems and a web-based analytics platform for IoT sensor data . 💡What You’ll Do Develop high-performance applications using C# and .NET (8+) Build scalable IoT data analytics platforms Collaborate within a multidisciplinary engineering team Contribute to automation, monitoring, and real-time tracking solutions Write ...

C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £490/day inside IR35
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £490 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms Javascript SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis ...

Senior Software Engineer C#

Hiring Organisation
Platform Recruitment Limited
Location
Royston, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
Title: C#/.NET Software Engineer Location: South Cambridgeshire Salary: Up to £70,000 Working Pattern: Hybrid2 days in office This is a brilliant opportunity for aC#/.NET engineer to join a fast-growingtechnology company whose software is used by scientists and engineers across the world. … architects, engineers, and product managers to deliver robust, user-focused solutions. You'll also contribute to architectural decisions and mentor junior developers. Requirements Strong C#/.NET development experience Strong knowledge of software design principles, testing and DevOps pipelines Experience building Windows applications with XAML Familiarity with IoT protocols such ...

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Full Stack Engineer (C#/.NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment Bank We are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application from the ground up. This … just individual development tasks. Key Responsibilities Back-End Development Design and build RESTful APIs using ASP.NET Core (6+) Develop clean, scalable, and testable C# code Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. Azure AD, JWT ) Front-End Development Build modern, responsive UIs using React ...

C# Developer Role - Hybrid - Banking

Hiring Organisation
GCS
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £690/day Inside IR35
C# Developer Role - Hybrid/Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL) Duration - 6 months with very likely extension Location - Hybrid/Liverpool Street (London) - 3 days per week in a Liverpool Street office Rate - £690 per day (Inside IR35) Tech Stack … C# SQL Oracle Tasks Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also ...

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, UK
Employment Type
Full-time
Description Full Stack Engineer (C#/.NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment Bank We are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application from the ground up. This … lifecycle-not just individual development tasks. Key ResponsibilitiesBack-End Development Design and build RESTful APIs using ASP.NET Core (6+) Develop clean, scalable, and testable C# code Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. Azure AD, JWT) Front-End Development Build modern, responsive UIs using ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead … improvement of development processes and tooling Required Skills & Experience BSc (or higher) in Computer Science or a related scientific discipline Strong recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding ...

Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City Of London, England, United Kingdom
building and enhancing applications that directly support real-world trading strategies, working closely with experienced developers, researchers, and traders. This role sits within a C# .NET, SQL Server, and ASP.NET ecosystem, with a strong focus on building reliable, scalable, and maintainable systems. Key Responsibilities Design, develop, and maintain applications using … C# and .NET Contribute to system architecture and technical design discussions Build and enhance systems supporting trading and research activities Develop and optimise database solutions (SQL Server or similar) Improve system performance, reliability, and automation Collaborate with cross-functional teams to translate requirements into technical solutions Participate in code reviews ...