51 to 75 of 76 Contract .NET Jobs

Product Security AppSec Engineer (Non-Connected Devices)

Hiring Organisation
Real
Location
Limerick, Limerick County, Republic of Ireland
Employment Type
Contract
Contract Rate
£69.06 - £82.01/hour Expenses can be factored
Software Composition Analysis, SAST, DAST, Secure Coding, OWASP, NIST, Threat Modelling, Exploitability Assessment, Remediation Tracking, Risk Acceptance, Cryptography, Authentication, Encryption, PKI, TLS, Windows, .NET, C#, SQL Server, Non-Connected Devices, Medical Device Software, IEC 62304, ISO 13485, FDA, MDR, QMS, SRTM Please click here to find out more about ...

Software Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£170 - £175/day
within the Microsoft Dynamics 365 and Power Platform ecosystem. This role involves customizing Dynamics 365 applications, building Power Pages (portals), developing backend services using .NET/C#, and creating frontend components using modern web technologies. The developer works on integrations, automations, and scalable solutions using Dataverse and Azure services … formerly Power Apps Portals) for external-facing web applications Develop end-to-end solutions across the stack, including frontend (HTML, CSS, JavaScript) and backend (.NET, C#, Web APIs) Configure and customize Dynamics 365 modules such as Sales, Customer Service, and Marketing Create and manage Dataverse tables, relationships, business rules ...

Software Developer (Dynamics/Power Pages)

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£175 - £400 per day
within the Microsoft Dynamics 365 and Power Platform ecosystem. This role involves customizing Dynamics 365 applications, building Power Pages (portals), developing backend services using .NET/C#, and creating frontend components using modern web technologies. The developer works on integrations, automations, and scalable solutions using Dataverse and Azure services … formerly Power Apps Portals) for external-facing web applications Develop end-to-end solutions across the stack, including frontend (HTML, CSS, JavaScript) and backend (.NET, C#, Web APIs) Configure and customize Dynamics 365 modules such as Sales, Customer Service, and Marketing Create and manage Dataverse tables, relationships, business rules ...

Full Stack Engineer (Contract) - Leeds

Hiring Organisation
Searchability (UK) Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
Full Stack Engineer (Contract) - Leeds 6 Month Contract | £400-£500 per day (Outside IR35) | .NET | C# | React | TypeScript | REST APIs Day Rate: £400 - £500 per day DOE Contract: Initial 6 Months Location: Hybrid (2 days on-site/3 remote We're looking for an experienced Full Stack Engineer … delivering the replatforming of a core banking platform. This is a hands-on contract role where around 90% of your workload will focus on .NET and REST API development , making it ideal for someone who enjoys building robust backend services at scale whilst remaining comfortable working across the full ...

Senior C# Developer - Liquidity

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
while supporting the ongoing migration to a modern event-driven architecture. The Ideal candidate will have expertise with a strong hands-on C#/.NET background , enabling them to engage confidently with software engineers and architects. They will have practical experience working with Agentic AI, LLMs and AI-assisted … Skills & Experience Proven experience as a Technical Business Analyst within Investment Banking or Global Markets . Strong hands-on technical background with C# and .NET , enabling effective collaboration with engineering teams and translation of technical requirements. Experience working with service-oriented and event-driven architectures . Good understanding ...

Vulnerability Analyst - Product Security | Contract/Freelance

Hiring Organisation
Real
Location
Limerick, Limerick County, Republic of Ireland
Employment Type
Contract
Contract Rate
£47.48 - £56.11/hour Expenses can be factored into rate
mitigation tracking experience Desirable Skills Experience with medical devices, regulated software, quality-led environments, or safety-critical products Experience with Windows-based applications, .NET, product software, or regulated application environments This is a strong fit for vulnerability analysts or AppSec specialists who want to work close to product security ...

AI Engineer - Insdie IR35 - Insurance

Hiring Organisation
SRG
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
Develop AI-powered features, workflows and automation capabilities across business applications Work across the entire technology stack, from Angular front-end development through to .NET/C# services and SQL databases Optimise application performance, scalability and reliability through analysis, tuning and continuous improvement Collaborate with cross-functional teams … share knowledge across the engineering team Leverage AI development tools including GitHub Copilot to accelerate engineering delivery Key requirements include: Strong commercial experience with .NET/C# Experience developing modern Angular applications Solid SQL and database development expertise Proven full-stack development experience across both front-end and back ...

Agentic AI Engineer (.NET) - Contract

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day
Agentic AI Engineer (.NET) - Contract Client: Global Technology Leader - NASDAQ Listed Location: Hybrid - Bristol/1-2 Days Per Week Duration: 6 months + Intention to extend (Greenfield Multi-Year Programme) Day rate: £500 - Inside IR35 Start date: ASAP Our client, a global leader in software systems, is building … agents that generate production .NET code under developer supervision. The goal of this greenfield is a spec-driven pipeline where a specification and technical plan drive what the agent builds, and a developer reviews and validates the output at every stage before it ships. We are looking ...

Dynamics 365 Developer

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £650 per day
Location: London/Home (onsite 2 days a week) Rate: £600 - £650 per day (INSIDE IR35) Core skills: SC Clearance , Dynamics 365, Power Platform, .NET plug-ins and workflows, Power Pages, Power BI, Azure Integration Services, Logic Apps, Functions, Service Bus, Copilot Studio, CI/CD, DevOps, Agile delivery … business stakeholders to deliver secure, scalable and reliable applications. Key responsibilities: Design, develop and support Dynamics 365 and Power Platform solutions Build custom .NET workflows, plug-ins and integrations Work across the full software development lifecycle, from requirements through to deployment and support Support Agile and DevOps delivery practices ...

RPA Developer

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
Senior RPA Developer Contract: 4 Months Initial Contract Rate: £400-500 per day Inside IR35 Location: Primarily Remote, 1 day per month onsite in London Start Date: ASAP Interview Dates: 25th/26th June (TBC ...

Senior C# .Net Developer (Banking)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £600 per day
Join Our Amazing Investment Banking Client as a Senior/Lead C# .Net Developer! Location : Canary Wharf (3 days per week onsite) Contract Duration: Up to 2 years! Umbrella Rate : £400-£600 Umbrella Day Rate Interviews: ASAP, first interview is in person this is essential. Please Note … last month about our other C# Software Development roles, you do not need to apply again. Are you a passionate and seasoned Senior C# .Net Developer looking for an exciting opportunity in a leading banking Institution? Look no further!We are seeking a talented individual to join our dynamic ...

DevOps Engineer - Azure / Kubernetes / Terraform (Outside IR35)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Outside IR35,UK Wide Flexiablity, DevOps, Azure, React, .Net, Terraform, Azure, My leading client is leading client seeking an experienced DevOps Engineer to join on an Outside IR35 contract. This is a hands-on role focused on building and operating cloud-native platforms on Microsoft Azure, with a strong … emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes ...

Full Stack Developer - Senior

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Up to £650 p/d Inside IR35
looking for an experienced Full Stack Developer with strong healthcare technology expertise and deep HL7 FHIR R4/UK Core knowledge, Azure and .NET development experience, and a proven ability to deliver secure, compliant healthcare solutions at scale. Essential Experience Required Experience working with SNOMED … with HL7 FHIR R4, UK Core profiles, and healthcare interoperability What Else We're Looking For Strong experience developing cloud-native applications using C#, .NET 10, Azure, and REST APIs Frontend development experience using TypeScript, JavaScript, and NHS Digital Design System components Experience using AI-assisted development tools ...

Senior Backend Engineer (Java/.Net & Microservices)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
Senior Backend Engineer (.NET/Java Microservices) Contract: Inside IR35 Duration: 6 Months+ Hybrid - 2 days per week on site in London We're seeking a Senior Backend Engineer to design, build and enhance scalable backend services and APIs within a complex enterprise environment. You'll play … role in delivering modern microservices while contributing to technical design and engineering best practice. Key Responsibilities Design and develop backend services using C#/.NET and Java (Spring Boot) . Build and support REST APIs and microservices. Contribute to architecture, technical design and system integration. Troubleshoot, optimise and support ...

Senior .NET / Vue 3 Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £475 per day
Senior .NET/Vue 3 Developer - Outside IR35 Pay Rate: up to £475 per day - Outside IR35 Working Arrangement: Hybrid (Central London) - 1-2 days per week Duration: 6-Months initial (Extension Likely) A large growing fintech is looking for an experienced Senior .NET/Vue 3 Developer … space. This is a full-stack position with strong ownership, working across both frontend and backend in a modern cloud environment. Tech Stack Backend: .NET Frontend: Vue 3 Requirements Strong experience with .NET (backend development) Proven experience with Vue 3 (must-have) Comfortable working across full-stack delivery ...

AI Software Engineer

Hiring Organisation
SRG
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
within a defined, multi-initiative roadmap with a clear pipeline of work well beyond the initial contract term. This role calls for a strong .NET developer who also brings Python and AI/agentic experience - .NET is the priority skill, with AI depth as the key differentiator. … draw on AWS and Google Vertex/Gemini where relevant (enterprise accounts already in place across all three) Some front-end work in .NET MVC (internal-facing tooling), alongside Python-first backend and AI/agentic development What We're Looking For Strong hands-on .NET development background ...

R&D Software Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum, Negotiable, Pro-rata, Inc benefits
Develop user-focused solutions with a strong emphasis on usability, user experience, and rapid iteration. Contribute to the enhancement and extension of an existing .NET-based platform and distributed computing architecture. Apply distributed computing principles to build scalable, resilient, and secure solutions. Integrate AI and machine learning capabilities into … lifecycle. About You Minimum of 5 years' experience in software engineering, R&D, or prototyping-focused roles. Strong experience developing applications within the Microsoft .NET ecosystem, including modern C# development. Experience working with distributed systems, distributed computing concepts, or actor-based architectures. Proven track record of delivering rapid prototypes ...

Azure DevOps Manager

Hiring Organisation
Opus Recruitment Solutions
Location
Leeds, Holbeck, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day OutsideIR35
Azure DevOps Manager | £650/day Outside IR35 | Leeds or London (2 days onsite) | 6 months Backfill role leading DevOps delivery within a .NET/C# Azure environment, supporting the backend workstream of a large-scale cloud migration programme. Key requirements: Strong experience managing Azure DevOps in enterprise .NET ...

Finance Software & Data Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £70,000 per annum
About The Role FDM is a global business and technology consultancy seeking a Finance Software & Data Engineer to work for our client within the Insurance/Reinsurance sector. This is initially a 6 month fixed ...

IT Support - (Microsoft Identity Manager (MIM) - Mandatory)

Hiring Organisation
GCS
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£471 - £480/day
focus on Microsoft Identity Manager (MIM) and related integrations. You'll handle incident triage, service restoration, monitoring, and problem management, using SQL and .NET knowledge to diagnose issues and work with L3/engineering teams on fixes. Key Accountabilities: Own L2 support for MIM Sync and MIM Service … Certificate/credential-related issues (where applicable) Use SQL Server to investigate data issues (queries, stored procedures, reconciliation, reporting extracts). Support and maintain .NET-based components (e.g., rules extensions, services, scheduled tasks) by reviewing logs/config and coordinating code fixes with L3. Execute approved changes (configuration updates ...

DevOps Engineer

Hiring Organisation
VIQU IT
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£325/day
DevOps Engineer role, working across CI/CD, automation and cloud platform configuration, with a strong emphasis on Microsoft technologies, including Power Platform and .NET-based applications. The successful DevOps Engineer will play a key role in improving deployment processes, platform reliability and application lifecycle management across a modern … Insights Work across Power Apps, Dataverse and Microsoft CRM, contributing to solution design and Application Lifecycle Management (ALM) strategies Support development and deployment of .NET web applications, including source control and branching strategies (GitHub) Implement and support containerised deployments using Docker and Kubernetes, enabling scalable and zero-downtime releases ...

L2 Support Analyst - MIM

Hiring Organisation
GCS
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £451/day
focus on Microsoft Identity Manager (MIM) and related integrations. You'll handle incident triage, service restoration, monitoring, and problem management, using SQL and .NET knowledge to diagnose issues and work with L3/engineering teams on fixes. Key Accountabilities: Own L2 support for MIM Sync and MIM Service … Certificate/credential-related issues (where applicable) Use SQL Server to investigate data issues (queries, stored procedures, reconciliation, reporting extracts). Support and maintain .NET-based components (e.g., rules extensions, services, scheduled tasks) by reviewing logs/config and coordinating code fixes with L3. Execute approved changes (configuration updates ...

.Net API Developer

Hiring Organisation
Damia Group Ltd
Location
Skipton, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
.Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 months My client is a global leading consultancy. They are on the hunt for a .NET Developer to join a financial client of theirs. Responsibilities: Maintained and enhanced legacy click apply ...

Web Developer (.NET, Backend)

Hiring Organisation
Universal Music Group
Location
City of London, London, United Kingdom
Employment Type
Contract
skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of UMG, we are looking for a Web Developer (.NET, Backend) for a 6 month contract based remotely in the UK . How we LEAD: We are looking for an experienced mid-level .NET … suited to someone comfortable making architectural decisions and driving technical best practices. How you'll CREATE: Design, develop and maintain scalable backend applications using .NET technologies. Lead the delivery of backend solutions for new projects, ensuring they are robust, secure and production-ready. Build and support APIs and integrations. ...

C# / .Net Engineer

Hiring Organisation
Experis
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
C#/.Net Software Engineer Milton Keynes - 1 day on site per month 3-5 months £500-550 per day - Umbrella only We are looking for an experienced C# Software Engineer to join the team and support us on our journey in transforming our application landscape to provide ...