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8 net developer jobs found

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net developer £500 - £600 Greater London
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London  (6)
Outside Spy
Mar 10, 2026
Duration not stated
Snr C#.Net Developer - Entity, AWS - 3 Months at Jump IT Recruitment , London, £450 to £500 per Day
£450 - £500 per day
Outside Spy London, UK
.Net 6, .Net 10, C#, ASP.NET, .NET Core, AWS, CDK, IaC, Cognito, S3, KMS, CI/CD, Docker, Containers, Entity, Firebase 3-month contract role. Outside IR35. £500 per day. Must be a UK based candidate. No visa sponsorship or visa transfer. Experience within Healthcare, Pharma or LifeSciences is a definite advantage. The role will involve the following: Migrate the platform to .NET 10 LTS Implement secrets management using AWS Secrets Manager Strengthen authentication and authorisation mechanisms Enhance audit trail and compliance features for healthcare regulations Improve API security, including rate limiting and CORS configuration Update Docker containers and CI/CD pipelines Establish and expand unit and integration test coverage Work with Clean Architecture patterns across the solution To start ASAP. Please email a CV to Roger at Jump IT in the first instance.
Outside Spy
Mar 12, 2026
Duration not stated
Senior .NET / Full Stack Developer – Hybrid – £600/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven at VirtueTech Recruitment Group, London Area, £600 per day
£600 per day
Outside Spy London Area, United Kingdom
Senior .NET / Full Stack Developer – Hybrid – £600/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...
Outside Spy
Mar 13, 2026
Duration not stated
Software Engineer at Haystack, Greater London, £500-£600 per day
£500 - £600 per day
Outside Spy Greater London, England, United Kingdom
ComfyUI Workflow Developer | London | Remote-Friendly | £500 - £600 We're working with a high-end creative agency specializing in hyper-realistic CGI for global luxury brands on this exciting opportunity. We are looking for a technical visionary to bridge the gap between AI experimentation and high-end production pipelines . This role is about more than just generating pretty images; it’s about engineering robust, scalable AI architectures using ComfyUI, Python, and Stable Diffusion to meet the exacting standards of the luxury market. You will move from a high-impact POC sprint into a full-scale production deployment, automating asset generation that rivals traditional CG I. The R ole• Architect and build advanced ComfyUI workflows capable of generating high-resolution, brand-compliant assets at sca le.• Develop custom Python scripts and API integrations to connect AI pipelines with existing Digital Asset Management (DAM) syste ms.• Transition from a 4-week...
Outside Spy
Mar 12, 2026
up to 6 Months
Data Analyst/Engineer - Power BI at Sanderson Government & Defence, London, 6 Weeks, £480-£500 per day
£480 - £500 per day
Outside Spy London, UK
Data Engineer/Data Analyst - Power BI Automation Contract: 6 Weeks Rate: Up to £500 per day (Outside IR35) Location: Hybrid - 2 days per week in London We're looking for an experienced Data Engineer/Data Analyst to support the automation and optimisation of a Power BI dashboard for a short-term engagement. This role will focus on building and improving the Back End data processes required to enable reliable, automated reporting and analytics. Working closely with a Power BI Developer , you'll assess the existing data landscape, design and implement ETL processes, and ensure the data models underpinning the dashboard are accurate, performant, and well governed. Key Responsibilities Assess and enhance the current data infrastructure to support automated data flows into Power BI. Develop and implement ETL processes to source, transform and load data efficiently. Design data pipelines and orchestration workflows to automate data retrieval and...
Outside Spy
Mar 12, 2026
6 Months or more
Senior Full Stack Developer | Public Sector | Outside IR35 at SR2 - Socially Responsible Recruitment, London, 6 Months, £450-£500 per day
£450 - £500 per day
Outside Spy London, UK
Senior Full Stack Developer | Public Sector | Outside IR35 Contract: Outside IR35 Rate: £450-500/day Duration: ASAP start, 6 months initially Location: Fully remote (UK-based only) Clearance: Must be eligible for SC Sector: UK Government/Public Sector experience essential I'm supporting a consultancy delivering digital services into the UK public sector and we're looking for a Senior Full Stack Developer to join the team on a contract basis. This is a hands-on senior role working across the full software development life cycle. You'll design, build, and maintain robust full stack applications within AWS, contributing to architectural decisions and ensuring solutions meet government standards for security, accessibility, and performance. You'll work closely with product, design, and engineering colleagues in an agile delivery environment. Essential Experience Strong hands-on experience with Java (Kotlin) Backend development - Node.js Front End -...
Outside Spy
Mar 09, 2026
6 Months or more
App Developer | Outside IR35 at Sanderson Government & Defence, Vauxhall, 9 Months, £550-£600 per day
£550 - £600 per day
Outside Spy Vauxhall, UK
Position: App Developer Location: Vauxhall/Stratford Day Rate: £600 p.d Outside IR35 Must hold active DV clearance A central government department is looking for an experienced App Developer to join a high-security programme. This role requires working on-site 5 days per week in Vauxhall, moving later to Stratford later on in the project. Due to the nature of the work, candidates hold UKSV DV clearance. Key Skills & Experience Strong expertise in Python, Docker, Kubernetes, and Data Governance Experience working in air-gapped environments, including managing dependencies and build pipelines without Internet access Proven background building APIs for data enrichment services Orchestration & data pipeline experience with Prefect or Airflow, and K8s or Swarm Configuration and automation of business workflow tooling (eg, Jira) Hands-on experience with a range of databases and storage technologies: Elastic, Mongo, Cassandra, Redis, S3 Desirable Skills...
Outside Spy
Mar 09, 2026
Duration not stated
Salesforce Test Lead at Careerwise, London, to £500 per day outside IR35
£400 - £500 per day
Outside Spy London, UK
Contract Opportunity - Salesforce Test Lead Rate: Up to £500/day outside IR35 Contract Role for 12 months Location: UK/Hybrid (Occasional travel) We're looking for an experienced Salesforce Test Lead to join a large global Salesforce programme . This role requires a well-rounded testing leader who can take ownership of the end-to-end testing strategy and delivery across multiple streams. Key Responsibilities Lead the overall Salesforce testing strategy and execution across the programme Manage functional, integration, regression, and UAT testing across multiple environments Coordinate with developers, product teams, and business stakeholders to ensure high-quality releases Drive test planning, defect management, reporting, and quality assurance governance Ideal Experience Proven experience as a Salesforce Test Lead on large-scale programmes Strong understanding of Salesforce platform testing and release cycles Experience leading...
Outside Spy
Mar 09, 2026
Duration not stated
App Developer Outside IR35 at Sanderson Government and Defence, South East London, £550-£650 per day
£550 - £650 per day
Outside Spy East London, UK
Position: App Developer Location: Vauxhall / Stratford Day Rate: £600 p.d Outside IR35 Must hold active DV clearance A central government department is looking for an experienced App Developer to join a high-security programme. This role requires working on-site 5 days per week in Vauxhall, moving later to Stratford later on in the project. Due to the nature of the work, candidates hold UKSV DV clearance. Key Skills & Experience Strong expertise in Python, Docker, Kubernetes, and Data Governance Experience working in air-gapped environments, including managing dependencies and build pipelines without internet access Proven background building APIs for data enrichment services Orchestration & data pipeline experience with Prefect or Airflow, and K8s or Swarm Configuration and automation of business workflow tooling (e.g., Jira) Hands-on experience with a range of databases and storage technologies: Elastic, Mongo, Cassandra, Redis, S3 Desirable Skills...
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