326 to 350 of 390 C# Jobs in London

Dotnet Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
seeking an experienced .NET Developer to join our Business Intelligence IT team. You will develop and support SMBC BI business applications using C# and MS .NET Framework , working across SQL Server and Oracle databases. This role involves both new development and maintenance of existing applications , ensuring stability and compliance with … change management procedures. Key Responsibilities Develop and maintain C#/.NET applications for BI systems. Analyse business requirements and design technical solutions. Write and optimise T-SQL and PL/SQL scripts for data analysis. Collaborate with DBAs and infrastructure teams in London and New York. Support production environments, troubleshoot ...

QA Automation Engineer

Hiring Organisation
Adroit People Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day
Greetings!AdroitPeopleiscurrentlyhiring Title: QA Engineer Location:London, UK WorkMode:Hybrid Duration: Contract OR FTC Keywords:with xUnit, Nunit, MS Playwright, RestSharp,Automation, Banking,Azure,C#,.Net Role Purpose Azure Pipelines Bachelors degree in Computer Science, Information Technology or related field. At least 3 years of experience in automation testing with … xUnit, Nunit, MS Playwright, RestSharp Experience in programming languages such as C# in Dotnet Soft skills like good communication skills Strong understanding of Agile methodologies and experience working in an Agile development environment. Ability to work in a fast-paced environment and adapt to changes quickly. Min 5 years experience ...

.Net Engineer

Hiring Organisation
numi
Location
London Area, United Kingdom
involved in challenging, complex development for industry leading companies, as well as smaller start up projects Centered on a tech stack that includes C# .NET, React AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems. As an Engineer you will … growth and excellence. Ideal candidates hold a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. A .NET, C# and backend or full-stack development is essential, complemented by strong problem-solving skills, an agile mindset, and excellent communication. What You'll Get: Competitive salary ...

.Net Engineer

Hiring Organisation
numi
Location
City of London, London, United Kingdom
involved in challenging, complex development for industry leading companies, as well as smaller start up projects Centered on a tech stack that includes C# .NET, React AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems. As an Engineer you will … growth and excellence. Ideal candidates hold a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. A .NET, C# and backend or full-stack development is essential, complemented by strong problem-solving skills, an agile mindset, and excellent communication. What You'll Get: Competitive salary ...

Principal Developer (Newcastle Upon Tyne)

Hiring Organisation
VIQU IT Recruitment
Location
London, England, United Kingdom
migrate from their legacy systems, to modern, cloud first systems in Azure. They are looking to hire a lead/principal developer focused on C# and .NET development and architecture. This will initially focus on Modular Monolith design, moving to Microservices architecture as/when required. Job Duties … C#.Help to mentor junior engineers.Implement continuous improvement initiatives throughout the team. Experience required for the Principal Developer: Hands on experience with .Net with C# development within an enterprise environment.Prior experience with Modular monolith architecture, with Microservices design being a nice to have.Experience with SQL server, and Restful API's.Experience with ...

Platform Engineering Manager

Hiring Organisation
Cocentric
Location
City of London, London, United Kingdom
BRING Strong experience with Service Fabric and Kubernetes Proven experience architecting and scaling B2B SaaS platforms Strong full-stack technical expertise – especially across C#, JavaScript, and React Experience integrating with APIs and identity platforms (e.g. Microsoft Entra ID/Azure AD) Solid understanding of cloud infrastructure – ideally Azure and Service … hands-on approach to problem-solving and decision-making Background in IAM or SSO is a bonus OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming how the frontline ...

Platform Engineering Manager

Hiring Organisation
Cocentric
Location
London Area, United Kingdom
BRING Strong experience with Service Fabric and Kubernetes Proven experience architecting and scaling B2B SaaS platforms Strong full-stack technical expertise – especially across C#, JavaScript, and React Experience integrating with APIs and identity platforms (e.g. Microsoft Entra ID/Azure AD) Solid understanding of cloud infrastructure – ideally Azure and Service … hands-on approach to problem-solving and decision-making Background in IAM or SSO is a bonus OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming how the frontline ...

Microsoft AI Engineer / Azure Artificial Intelligence Engineer

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £90,000 per annum
Azure AI solutions, including Azure OpenAI Service, Azure Cognitive Services, and Azure Machine Learning Requirements Extensive experience with Azure AI solutions, programming expereince (Python, C#, or Java) Thisis a brilliant new role, and an opportunity to join a business who are genuinley growing this team to be a future centre … team that will significantly contribute to the digital transformation this STEM business Role requirements Strong Programming Skills: Proficiency in programming languages such as Python, C#, or Java, with a deep understanding of software development principles. Extensive experience with Azure AI solutions, including Azure OpenAI Service, Azure Cognitive Services, and Azure ...

Microsoft AI Engineer / Azure Artificial Intelligence Engineer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £90000/annum
Azure AI solutions, including Azure OpenAI Service, Azure Cognitive Services, and Azure Machine Learning Requirements Extensive experience with Azure AI solutions, programming expereince (Python, C#, or Java) Thisis a brilliant new role, and an opportunity to join a business who are genuinley growing this team to be a future centre … team that will significantly contribute to the digital transformation this STEM business Role requirements Strong Programming Skills: Proficiency in programming languages such as Python, C#, or Java, with a deep understanding of software development principles. Extensive experience with Azure AI solutions, including Azure OpenAI Service, Azure Cognitive Services, and Azure ...

C# Oracle PL/SQL Developer Role

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
C# Oracle PL/SQL Developer for Tier 1 bank in Canary Wharf Role - C#, Oracle, PL/SQL Developer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 per day (Inside IR35) Tech Stack C# … aligned with organizational standards. Your work will help enhance the understanding of our data assets, enabling better decision-making across the organization. Tasks Analyse C#/.NET application source code to identify SQL interactions and data flows. Review Oracle PL/SQL scripts, stored procedures, and ETL logic to document ...

AI Developer/Engineer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
GenAI models into enterprise workflows. Work with frontend and backend teams to deliver AI-driven features in production. Required Skills Programming: Python, .NET/C# (Key to have a background in C#) Knowledge of AI principles and AI ethics Knowledge of data safety in LLM usage Experience with: AWS: boto3 ...

Senior DevOps Engineer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £140,000 per annum
Senior DevOps Engineer - FinTech SaaS Scale-Up - London/Remote (Tech Stack: DevOps Engineer, AWS, Azure, Kubernetes, Docker, Linux, Istio, Terraform, Helm, Go, Python, C#, Prometheus, Grafana, ELK, Ansible, Concourse, Nexus, SonarQube, Cloud, DevOps Engineer) We're looking for a Senior DevOps Engineer (AWS, Kubernetes, Terraform, Helm) to join … just follow it. Our client is seeking a Senior DevOps Engineer with experience in: AWS, Azure, Kubernetes, Docker, Linux, Istio, Terraform, Helm, Go, Python, C#, Prometheus, Grafana, ELK, Ansible, Concourse, Nexus, SonarQube, Cloud, DevOps Engineer. If you're missing one or two areas, don't worry - training and mentorship ...

Backend Developer

Hiring Organisation
ABR Talent l Customer Success Recruitment for Start-up & Scale-up SaaS businesses
Location
City of London, London, United Kingdom
Back End Developer (C#, .NET, SQL) We're supporting a well-backed SaaS scale-up in the learning-tech space who are hiring a Backend Developer to join their growing engineering team. If you enjoy building real features end-to-end, not just patching bugs, this is a great fit. … What you’ll be doing Building and maintaining backend services in C#, ASP.NET, .NET Working heavily with MS SQL and API development Contributing to new feature design, architecture discussions, and code reviews Helping shape a platform used by thousands of users Collaborating with a small, supportive team where your work ...

Backend Developer

Hiring Organisation
ABR Talent l Customer Success Recruitment for Start-up & Scale-up SaaS businesses
Location
London Area, United Kingdom
Back End Developer (C#, .NET, SQL) We're supporting a well-backed SaaS scale-up in the learning-tech space who are hiring a Backend Developer to join their growing engineering team. If you enjoy building real features end-to-end, not just patching bugs, this is a great fit. … What you’ll be doing Building and maintaining backend services in C#, ASP.NET, .NET Working heavily with MS SQL and API development Contributing to new feature design, architecture discussions, and code reviews Helping shape a platform used by thousands of users Collaborating with a small, supportive team where your work ...

C++ Software Engineer Windows

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
C++ Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled C++ Software Engineer looking for a new opportunity? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks … time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues ...

Contract Software Engineer

Hiring Organisation
Morson Edge
Location
London, UK
Employment Type
Full-time
/d - Outside IR35 - Fully Remote Great opportunity for an experience Contractor to join an eCommerce client as they migrate a legacy C# product to modern Typescript. The ideal candidate will have worked with all listed technologies below and have past experience of migrating legacy systems. Key Skills: Typescript, Node … Nest.js) React/Next.js C#/.Net (legacy) Postgres AWS The contract will be an initial 6 months with a very high likelihood of extension and is outside IR35. If you're interested in the opportunity please apply via the link and I'll be in touch ASAP Please note ...

Contract Software Engineer

Hiring Organisation
Morson Edge
Location
South London, UK
Employment Type
Full-time
/d - Outside IR35 - Fully Remote Great opportunity for an experience Contractor to join an eCommerce client as they migrate a legacy C# product to modern Typescript. The ideal candidate will have worked with all listed technologies below and have past experience of migrating legacy systems. Key Skills: Typescript, Node … Nest.js) React/Next.js C#/.Net (legacy) Postgres AWS The contract will be an initial 6 months with a very high likelihood of extension and is outside IR35. If you're interested in the opportunity please apply via the link and I'll be in touch ASAP Please note ...

Bank Project) C#.NET Developer

Hiring Organisation
JAC Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55000 - £65000/annum
Position:Senior Software Engineer (C#) Overview: System development for financial institutions Job Description: Due to the expansion of system development projects for financial institutions, we are seeking engineers with C#.NET Responsibilities: - Develop systems for financial institutions using C# - Design and implement functions from front-end to back-end based ...

Senior C++ Contract Engineer - SQL, Unix/Linux, Oracle, Kafka, Finance, C#, GUI

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Senior C++ Contract Engineer - SQL, Unix/Linux, Oracle, Kafka, Finance, C#, GUI Our financial services client is looking for an experienced Senior C++ Software Engineer to help grow and enhance their platform. As a Senior C++ Software Engineer, you will be involved in: Analysis of user requirements and translation ...

Systems Developer

Hiring Organisation
The Emerald Group Ltd, Search and Selection
Location
London Area, United Kingdom
internal and external applications in collaboration with other multi-disciplinary teams. Design, develop, test and operate data storage workflows and solutions based on C++, C# and Python and/or other suitable languages Leverage Microsoft Power Platform technologies (Power Apps, Power Automate, Power BI, etc.) to build and enhance business … troubleshooting, and documentation for all developed tools and workflows Design, develop, test, support and deploy custom web and mobile applications based on .NET (Blazor, C#), C++. Gather customer software requirements and develop related software applications and programs Design and develop testing and maintenance procedures and activities Develop and write high ...

Systems Developer

Hiring Organisation
The Emerald Group Ltd, Search and Selection
Location
City of London, London, United Kingdom
internal and external applications in collaboration with other multi-disciplinary teams. Design, develop, test and operate data storage workflows and solutions based on C++, C# and Python and/or other suitable languages Leverage Microsoft Power Platform technologies (Power Apps, Power Automate, Power BI, etc.) to build and enhance business … troubleshooting, and documentation for all developed tools and workflows Design, develop, test, support and deploy custom web and mobile applications based on .NET (Blazor, C#), C++. Gather customer software requirements and develop related software applications and programs Design and develop testing and maintenance procedures and activities Develop and write high ...

PERL Software Developer (Stevenage)

Hiring Organisation
Guidant Global
Location
London, England, United Kingdom
proactive approach to learning.Youll also have the opportunity to design and enhance applications and reporting tools across a range of technologies, including C#, SQL, Java, and PowerShell. If you thrive in a fast-paced environment and enjoy working across multiple coding disciplines, this is your chance to make a meaningful … shareholder needs and goalsProvide operational support for Management Information SystemsWhat do you need?:Strong proficiency in PERL programming is essential.Advanced knowledge of SQL and C# for database and application development.Experience with data visualisation tools and techniques is highly desirable.High-level proficiency in Microsoft Excel, including advanced functions and data analysis.Hands ...

C# Engineer - Up to £140,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
Leading Engineering Team at an Elite Financial Institution A top-tier FinTech firm is growing its elite engineering team and is seeking exceptional C# Engineers to help drive innovation in a fast-paced, technology-first environment. 🌟 What Makes This Opportunity Stand Out? Engineering-Driven Culture – Collaborate with top minds from … London-based office. 🧠 Your Role Design, build, and optimize high-performance, low-latency systems for real-time financial applications. Develop scalable, efficient software using C#/.NET, with hands-on involvement in architecture and system design. Partner with Front Office, DevOps, and Quant teams to deliver robust solutions. Explore advanced ...

C# Developer (Edinburgh)

Hiring Organisation
SeeByte
Location
London, England, United Kingdom
British NationalsSeeByte, the global market leader in the development of smart software for uncrewed maritime systems, are looking to recruit a C# Developer to join their team in Edinburgh or Bristol, Hybrid (60% of time in office).You will have a unique opportunity to play a significant role … role and become a software engineering expert, developing exciting software systems for uncrewed systems.Key Responsibilities of the RoleDesign, implement, test, and deliver robust C# software solutions as part of a SeeByte engineering team.Deliver work to a high standard whilst proactively identifying and suggesting software improvements.Help to understand and break down ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 720 Daily
C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid inside iR35 What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices click apply for full ...