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5 contract infrastructure engineer jobs found

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contract infrastructure engineer £300 - £400 Remote
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Remote  (5) London  (1)
Outside Spy
Apr 13, 2026
Duration not stated
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...
Outside Spy
Apr 13, 2026
6 Months or more
Network Security Engineer - 12 Months - Outside IR35 at Hamilton Barnes, London/Remote, 12 Months, £300 per day
£300 per day
Outside Spy Remote (London/Remote, UK)
Network Security Engineer - 12 Months - Outside IR35 We are looking for a Network Security Engineer with a strong focus on Fortinet technologies to support a series of security and network transformation projects. This is a hands-on, project-driven role requiring deep Fortinet expertise alongside solid enterprise networking fundamentals. You will play a key role in designing, implementing, and optimising Fortinet-based security solutions across a complex environment. Key Responsibilities: Lead and deliver network security projects with a primary focus on Fortinet solutions Design, deploy, and optimise Fortinet security infrastructure (firewalls, VPNs, segmentation) Implement and manage Fortinet technologies such as FortiGate, FortiManager, and FortiAnalyzer Perform Firewall migrations, rulebase reviews, and security hardening Troubleshoot complex network and security issues across hybrid environments Work closely with stakeholders to ensure successful...
Outside Spy
Apr 08, 2026
Duration not stated
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...
Outside Spy
Apr 07, 2026
up to 6 Months
Observability Engineer - Outside IR35 - Datadog Migration Specialist at Appvia, United Kingdom, £400 - £500 per day
£400 - £500 per day
Outside Spy Remote (UK)
Observability Engineer - Appvia - Datadog Migration Specialist Location:  UK - Remote - with Offices in London Contract:  6 weeks (Outside IR35) Day Rate:  £400 - 500 per day Start Date:  ASAP About Appvia Appvia is a specialist cloud and platform engineering consultancy, helping organisations build, operate, and scale modern cloud platforms. We work across complex environments where reliability, visibility, and performance are critical, supporting customers to implement best practices across platform engineering, DevOps, and observability. About the Role We are looking for a Datadog specialist to support a short-term engagement focused on migrating observability tooling from Grafana to Datadog. This is a hands-on contract role where you will take ownership of migrating dashboards, metrics, and monitoring configurations, ensuring a smooth transition with minimal disruption to existing services. You will work...
Outside Spy
Apr 07, 2026
Duration not stated
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Go Backend Engineers (contractors) to join a large-scale public sector transformation programme delivered by a highly regarded product consultancy. This work is focused on moving critical systems away from a legacy C# ecosystem into a modern, scalable, cloud-native architecture. You’ll be joining cross-functional teams responsible for building resilient backend services that support high-impact, user-facing products used at national scale. This is a 6-month initial contract, ideal for engineers who enjoy working on meaningful systems, solving complex migration challenges, and delivering production-grade backend services, fast. The Role | Senior Backend Engineer, Go (Contract) | C# to Go Large-Scale Migration, AWS, SQL, Distributed Systems | £400-450/day |...
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