21 of 21 Contract C# Jobs in London

Azure Cosmos DB Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
purpose. Your Responsibilities Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API). Build reusable libraries and frameworks in C#/.NET or Node.js Establish robust CI/CD pipelines through GitLAB DevOps to streamline delivery and reduce operational overhead. Design efficient data models tailored to NoSQL ...

Azure Cloud Engineer

Hiring Organisation
Syntax Consultancy Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day Inside IR35
junior engineers. Desirable: Experience implementing or maintaining a CI/CD pipeline using Github Actions, Terraform, and Azure. Azure Monitoring. Software development experience using C# and SQL Server. Packer, Kubernetes, AKS, Flux or Helm Banking/Financial Services domain experience preferred. Must hold active SC Security Clearance used ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
Develop and maintain .NET code for back-end services, APIs, and integrations with other systems. Utilise relevant .NET frameworks and technologies (e.g., ASP.NET Core, C#, Entity Framework). Write unit and integration tests to ensure code quality and reliability. Reverse Engineering: Analyse and understand existing codebases (potentially Python) to identify ...

Support Lead / L3 Lead Engineer

Hiring Organisation
Purview Consultancy Services Ltd
Location
London, United Kingdom
Employment Type
Contract
person dependencies Mentor offshore engineer s and ensure engineer ing standards Identify technical debt and automation opportunities Required Skills Strong .NET/ASP.NET/C#, React SQL Server performance tuning Azure (Functions, Service Bus, cloud ops) Legacy modernization exposure Incident command & production troubleshooting DevOps/CI-CD understanding Experience 1012+ ...

Senior UI React / Java developer for Triforce Credit Project

Hiring Organisation
cer Financial Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £1,000 per day
desirable to understand wider asset class - FX etc · JavaScript/TypeScript 10+ yrs, React essential, Redux desirable · Java backend 5+ yrs (Java preferred over C#) · Greenfield project experience · Strong experience with AG Grid ...

Lead .Net Developer x 2

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £850/day Up to £850pd Umbrella
actively seeking multiple Senior .Net Developers to work on a long-term, business-critical data-orientated project. What you'll need to succeed : Extensive C# .Net Development experience ideally within financial services, on data-heavy projects. Extensive SQL server experience - Must Have. Solid experience in database modelling, performance tuning ...

.NET Developer, CMS, Sitecore, Optimizely

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
.NET Developer, CMS, Sitecore, Optimizely, Umbraco - Remote (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a leading digital agency powerhouse, delivering transformative online experiences for some of the most recognised brands across Europe. … involved in building dynamic, content-rich platforms and seamless customer journeys using modern .NET technologies. Applicants should have experience in: .NET, .NET Core, C# and Azure SQL. Candidates should also have exposure to a Content Management System (CMS) such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or DotNetNuke. ...

Cloud Infrastructure Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
Must have extensive hands-on experience: Azure DevOps PowerShell SQL CI/CD pipelines GitHub Terraform (Infrastructure as Code) Desirable hands-on experience: Kubernetes C# development Packer Helm AKS Flux The successful Cloud Infrastructure Engineer must be available to work 2 days a week onsite in Central London. Apply ...

Full Stack Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
Essential skills: .Net, C#, React, Azure Skills required: As a Full Stack Developer, you will provide expert development skills to maintain multiple service capabilities, including;Collaboration and Stakeholder Engagement:Collaborate closely with product owners, user researchers, clinical safety officers, operational teams, and development stakeholders to clarify user needs and translate ...

Data Engineer (Snowflake, SQL, Python)

Hiring Organisation
TXP
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day
build, and maintain reliable data pipelines and integrations using Snowflake, Python, SQL, and C#. Skills and experience required: Strong proficiency in SQL, Python, and C# (including query optimisation and performance tuning). Experience with data modelling, ETL pipelines, and data integration. Proven ability to work directly with stakeholders and data ...

Junior C# Developer - SC Cleared

Hiring Organisation
VIQU IT
Location
London, Bishopsgate, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day Inside IR35
Junior C# Developer – 6-month contract – London – SC Cleared – Inside IR35 My Financial Services customer is looking for a Junior C# Developer, that will play a key role in triaging and resolving technical queries during the development of the Synchronisation Lab to act as a platform for industry to demonstrate … cases and understand business models for synchronisation. The Junior C# Developer will proactively engage with Product and development teams to ensure timely responses to queries. You’ll be joining a collaborative, forward-thinking engineering team delivering scalable, secure, and high-performing solutions within Azure Junior C# Developer Skills & Experience required ...

Senior Test Development Engineer

Hiring Organisation
Frontier Resourcing Ltd
Location
North London, London, United Kingdom
Employment Type
Contract
Measurement Uncertainty and its application in test equipment design and validation Software Certification or detailed knowledge of: NI LabView, NI CVI, NI TestStand, C# Design of mix signal circuits To be eligible for this role you will need to undergo BPSS clearance which requires 3 years UK residency and references. ...

Senior Full Stack Engineer

Hiring Organisation
Station Group International Limited
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
role in delivering modern digital platforms. The Role You will be designing, building and maintaining scalable web applications using: .NET 6+/.NET Core (C#) Angular (modern versions) Azure PaaS (App Services, Functions, SQL, EntraID) REST APIs Azure DevOps CI/CD pipelines Youll be involved across the full lifecycle … Agile team focused on quality and collaboration. What Were Looking For 6+ years full stack development experience Strong hands-on .NET Core/C# Solid Angular experience (not just backend-heavy) Azure cloud exposure (App Services, Functions, SQL) Experience working in structured, collaborative engineering teams Comfortable working onsite 3 days ...

Lead Integration Engineer

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
scalable operations. The Role: Lead the design, development, and support of integration solutions connecting applications, services, and data across the business. Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). Implement CI/CD pipelines, automation, and modern … standards. Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. What's required: Strong experience with .NET (C#) for APIs and integration components. Hands-on with Azure Integration Services, microservices, and containerisation (Docker, AKS). Experience in Financial Services is essential; knowledge ...

C# Developer

Hiring Organisation
Apex Systems US
Location
Bromley, Greater London, Bromley Town, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour
Title: C# Developer Location: Bromley, UK Type: Contract Candidates will be proficient in software design focused on a cross-language REST based n-tier architecture and executed using agile methodologies (Scrum, Test Driven Development, unit/integration testing, pair programming, etc.). The successful candidate will be comfortable driving design … develop our CI pipeline and deployment strategies REQUIRED SKILLS/EXPERIENCE Demonstrable experience of having designed and developed complex server-side functionality in C# SQL - preferably Oracle Shell scripting and basic Unix knowledge desirable Proficient in writing unit, integration, and acceptance tests Comfortable in an agile working environment Self-starter ...

C# Developer - Desktop Applications

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day inside IR35
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming ...

2x Senior Data (Platform) Engineers (AWS/ SQL Server)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
Your new company Working for a globally renowned financial organisation Your new role We are seeking 2x Senior Software Engineer/Data Platform Engineer's to support the ongoing evolution of a large-scale financial ...

Full Stack Engineer

Hiring Organisation
TXP
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
recruiting for 3 Full Stack Engineers for a client in the financial service space. The client requires Engineers who have experience with UI, APIs, C#, AWS, Python and Terraform. You must be an excellent communicator, due to the work required on the project, along with experience in either R Programming … investment or finance, with sufficient domain familiarity to be productive quickly without significant onboarding in core financial concepts. Strong proficiency in the following technologies: C#, Python, SQL, Terraform, AWS Proven ability to work directly with stakeholders and users to understand problems and deliver effective solutions. Strong analytical and problem-solving ...

Software Engineer

Hiring Organisation
FryerMiles Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
development lifecycle. Key Responsibilities Design, develop, and maintain software applications for public sector clients Write clean, efficient, and well-documented code Work primarily with C# and JavaScript to build modern, secure systems Collaborate with technical and non-technical stakeholders to deliver solutions that meet user needs Participate in code reviews … existing codebases Contribute to continuous improvement of development processes and standards Requirements: Strong experience in software development, with a focus on coding Proficiency in C# and JavaScript Solid understanding of software engineering principles and best practices Experience writing and maintaining production-quality code Ability to work independently and as part ...