1 to 25 of 256 C# Jobs in London

C# Developer - C# / Sql server / Fixed income

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £80000/annum
C# Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with … variety of front office stakeholders, globally. Role details Title: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C#/Sql server ...

C# Developer - C# / Sql server / Fixed income

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
C# Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level expertise in .Net/C# software. The role requires an experienced individual who is comfortable to work in close partnership with … variety of front office stakeholders, globally. Role details Title: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C#/Sql server ...

Java Full Stack Engineer (Consultant / Senior Consultant)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
databases (e.g., MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Experience with Apache NiFi Bonus Skills Microservices in C# Integrating LLMs (e.g., LangChain, Vercel AI) Experience using the GOV.UK Design System and Nunjucks What You'll Love You'll be part of a culture ...

Data Reporting engineer Python/.Net UK/Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350.00 - £400.00 per hour
contract Fullstack Data reporting engineer and Python software developer. Fullstack Data reporting engineer (Python/.Net) - Contract: Required Skillset: 5+ years Software engineering experience C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/ ...

Senior Developer / Architect - Financial Software

Hiring Organisation
Jump IT Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
C#, ASP.NET, MVC, HTML, CSS, JavaScript, Entity Framework, SQL. Azure Service Bus. C++, FIX protocol, SignalR, RabbitMQ, Azure DevOps. Great new permanent opportunity to join our client-based London area. They are a quality-driven development team focused on delivering a great product. The environment is collaborative with real ...

Java Consultant

Hiring Organisation
83zero
Location
London, UK
Employment Type
Full-time
other IaC tools NoSQL (ideally MongoDB) or relational databases (e.g., Postgres) Apache NiFi Web standards, accessibility and development best practice Bonus Experience Microservices in C#/.NET Integrating LLMs with tools like LangChain or Vercel AI What You'll Love A culture built around innovation, continual learning, and professional growth ...

Senior Sotware Engieer

Hiring Organisation
Espire Infolabs Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
.Net Core, Azure functions, Azure Functions, Microservice Architecture. 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 ...

Graduate C#.Net Developer x 2

Hiring Organisation
Jump IT Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, API's, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. A degree in computing, software engineering or computer science would be ideal ...

Software Engineer (SC or DV)

Hiring Organisation
Areti Group | B CorpTM
Location
London, UK
Employment Type
Full-time
technologies and development methodologies Your Profile Experience: From 1 year in software development to Principal-level leadership Proficiency in one or more languages: C++, C#, Python, Java, JavaScript, TypeScript Familiarity with frameworks like .NET, Node.js, React, Angular, Spring Boot, Django Knowledge of cloud platforms (AWS, Azure, GCP) and DevOps tools ...

Senior .Net Developer

Hiring Organisation
Morris Sinclair Recruitment
Location
REMOTE, St James's Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
Microsoft Developer Strong Academic Background with Demonstrable Achievements Proven ability to excel in time-constrained, algorithmic problem-solving Technical Expertise: Advanced Proficiency in: C# and .NET Framework Microsoft Azure Cloud Platform SQL and SQL Server Complex Data-Driven Software Development Strong Algorithm and Data Structure Knowledge Preferred Background: Experience ...

Full Stack Typescript Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Code tools NoSQL databases (especially MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You'll Love You'll join a community that ...

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£250 - £350 per day
pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET web framework Team Foundation Server (TFS) Expertise in reading, interpreting ...

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £350/day
pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET web framework Team Foundation Server (TFS) Expertise in reading, interpreting ...

Java Full Stack Engineer (DV Cleared)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
other IaC tools NoSQL (ideally MongoDB) or relational databases (e.g., Postgres) Apache NiFi Web standards, accessibility and development best practice Bonus Experience Microservices in C#/.NET Integrating LLMs with tools like LangChain or Vercel AI Additional Information You must be fully flexible for client assignments, which may involve short ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings PLC
Location
Whitechapel, Greater London, UK
Employment Type
Full-time
engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record ...

C# Developer

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
C# Developer C#/.NET - Azure - Angular/Next.js Up to £80,000 London (Hybrid) Join one of the most exciting fintech companies in London! Specialising in payments, this rapidly growing business is going from strength to strength and they're having a big push within technology. They … lookout for a talented C# Developer to join their team and play a key role in shaping the future of their innovative software solutions. As a C# Developer, you'll be hands-on and deeply involved in all aspects of software development. This is an individual contributor role, ideal ...

SC Cleared Software Engineer (.Net)

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60,000
/CD pipelines-all while ensuring compliance with strict security standards. Requirements: Active SC Clearance (mandatory) Strong .NET Core/.NET Framework and C# skills Experience with RESTful APIs , OAuth/JWT , and API security Familiarity with Azure App Services, Functions, Storage, SQL Experience using Azure DevOps for CI/ ...

Lead Software Developer in Test

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured. Experience with integration testing, test strategy ...

IT Solution Architect

Hiring Organisation
BDO
Location
London, United Kingdom
Employment Type
Permanent
skills. Able to communicate to stakeholders at all levels of the organisation and 3rd parties . Experience working with the following technologies: JavaScript, React, C# . NET , Python, SQL, APIs , Azure, Power Platform, SaaS , PaaS , IaC . Exposure to and understanding of emerging technologies e.g. AI, LLMs, Machine Learning ...

Technical Lead

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent
defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands. JobDescription WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions ...

Full Stack Engineer x2

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
Umbrella)Ideally looking for a solid Full Stack Engineer with experience of mainly Front End Dashboards and Websites/Pages/Platforms. Technical Required: C# HTML JavaScript ASP or ASP.Net SDLC React SQL Server/SQL or Sequel Financial Service or Insurance would be highly advantageous Strong Communication skills Ability ...

Lead Full Stack Engineer - Hybrid Working

Hiring Organisation
Oliver James
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Azure experience are preferred. Solid understanding of current and emerging technologies. Ability to translate business strategy and requirements into technical designs. Experience with C# .NET (APIs, serverless functions, messaging workflows), ideally on Azure. Salesforce integration experience is a plus. If this role sounds like your next career move click "APPLY ...

AI Developer - Azure, ML, AI Foundry

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700/day £market rate (Inside IR35)
Machine Learning (ML), and AI Foundry. Hands-on experience with Azure Cognitive Services, Azure OpenAI, and Azure Data Factory. Solid programming skills (Python/C#,/.NET) Experience with Azure DevOps, CI/CD pipelines, and GitHub Actions. Knowledge of containerization (tools ie Docker) and orchestration (ie Kubernetes on Azure ...

AI Developer - Azure, ML, AI Foundry

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Machine Learning (ML), and AI Foundry. Hands-on experience with Azure Cognitive Services, Azure OpenAI, and Azure Data Factory. Solid programming skills (Python/C#,/.NET) Experience with Azure DevOps, CI/CD pipelines, and GitHub Actions. Knowledge of containerization (tools ie Docker) and orchestration (ie Kubernetes on Azure ...