Latest Open Source Jobs

AI Technical Architect

The role involves designing secure, scalable AI-enabled solutions within a government setting, translating emerging AI technologies into practical architectures. The architect will support prototyping, guide production readiness, and collaborate with multidisciplinary teams while ensuring compliance with security, data protection, and governance standards. This position emphasizes technical leadership, innovation assurance, and integration within a cloud-first, public-sector environment.

Inspire People Darlington, United Kingdom £67,867 – £85,413 pa

Hybrid Permanent Clearance Required

Cloud Architect

This role involves designing secure, scalable cloud solutions across AWS and Azure within a government digital estate. The architect will lead technical design, governance, and cross-team collaboration to shape cloud strategy, improve resilience, and support innovation in a cloud-first environment. Emphasis is on modern service delivery, technical leadership, and mentoring within a multidisciplinary agile setting.

Inspire People Bt12Bg, United Kingdom £67,867 – £81,793 pa

Hybrid Permanent Clearance Required

Sr. Program Manager, Engineering - Supporting GDI & Onum , Madrid)

As a Senior Program Manager, you will support the GDI and Onum teams within the NG-SIEM product, focusing on data ingestion and onboarding experiences. You will manage large-scale projects, collaborate with engineering leaders and product managers, and ensure timely delivery and issue resolution across multiple regions.

CrowdStrike Spain

Hybrid Permanent

Technical Operations Engineer , GBR)

The Red Team TechOps Engineer will support and maintain the technology stack for CrowdStrike's Red Team, which simulates threat actors to help customers identify security gaps. Responsibilities include infrastructure support, system administration, compliance, and IaC projects, primarily for the EMEA and META regions.

CrowdStrike United Kingdom

Remote Permanent

Senior .NET Developer

This role involves leading the modernisation of a large-scale legacy WinForms application by refactoring it into a cloud-based .NET Core architecture. The developer will work closely with leadership and original developers to evolve the platform, influence technical decisions, and drive transformation across 40+ projects. Emphasis is placed on collaboration, system ownership, and progressive enhancement of a complex codebase.

Avanti Sl00Aa, United Kingdom £75,000 – £85,000 pa

Hybrid Permanent

IT Support Engineer

This role involves providing technical support and administration for Microsoft 365 environments, troubleshooting infrastructure, networking, and security issues, and managing cloud-based client systems. The engineer will act as a senior escalation point, contribute to project delivery, and work closely with clients to improve service and systems. It offers a blend of support, cloud engineering, and infrastructure work within a collaborative MSP environment.

Circle Recruitment South West London, United Kingdom £35,000 – £42,000 pa

On-site Permanent

AI Solution Architect - Financial Service Consulting

This role involves designing and implementing scalable AI architectures for financial services, focusing on moving beyond proof-of-concept to production-grade deployments. Responsibilities include building AI/ML platforms, working with LLMs, RAG, and semantic search, and collaborating with cross-functional teams to ensure secure and efficient AI deployment.

Datatech London, United Kingdom

Hybrid Permanent

AI Solution Architect - FS Consulting - all levels/banking

This role involves designing and implementing scalable AI architectures for financial services, focusing on moving beyond proof of concept to secure, production-grade deployments. Responsibilities include building AI/ML platforms, working with LLMs, RAG, and semantic search, and collaborating with cross-functional teams to support AI deployment and governance.

Datatech Manchester, United Kingdom

Hybrid Permanent

Senior Software Engineer

You'll join a senior engineering team building and scaling technology for eye care programs globally. Responsibilities include full-stack development, infrastructure provisioning, CI/CD, and collaborating with product teams to solve real-world challenges with high stakes.

Vermillion Analytics London, United Kingdom £60,000 – £75,000 pa

Remote Permanent Flexible

Lead PHP Developer

Lead PHP Developer – PHP Laravel/Symfony/CodeIgniter; HTML, CSS, SQL/MySQL, AWS inc AI Search; Javascript Vue, React; Full Stack/Full Lice Cycle, Professional Services/Finance Systems. Permanent, London (Hybrid 2/3), £130k - £150k (On Experience) +BenefitsLead PHP Developer / Senior Web Developer /...

Comtecs West London, United Kingdom £130,000 – £150,000 pa

Senior Software Engineer

As a Senior Software Engineer, you will work on extending and maintaining an Affiliate Marketing platform, focusing on billing and payments. You will design and build reliable services, take ownership of applications, and mentor junior engineers while contributing to a collaborative, agile team environment.

awin London, United Kingdom

Hybrid Permanent

Head of Proposition and Go-to-Market, CMO - BPL

Job DescriptionPurpose of the roleTo develop the proposition positioning both with prospects and existing customers, driving awareness and conversion across marketing channels, through compelling campaigns, working closely with product, proposition and channel owners. Will support on optimising communication to drive...

Barclays London, E14 5RB, United Kingdom

Network & Cyber Security Engineer

This role involves securing hybrid on-premises and cloud environments, with a focus on Fortinet firewalls, Microsoft 365 E5 security tooling, and enterprise network architecture. The engineer will lead vulnerability management, implement security policies aligned with ISO27001 and GDPR, and support DevSecOps integration across CI/CD pipelines. There is opportunity to shape and grow the security function, including potential team leadership as the organisation expands.

GBR Recruitment Limited Grantham, Lincolnshire, United Kingdom £55,000 – £60,000 pa

On-site Permanent Clearance Required

Network & Cyber Security Engineer

This role involves securing hybrid on-premises and cloud environments, with a focus on Fortinet firewalls, Microsoft 365 E5 security tooling, and enterprise network architecture. The engineer will design and implement security frameworks, lead vulnerability management, and integrate security into CI/CD pipelines while ensuring compliance with ISO27001, GDPR, and Defence Cyber Certification standards. It's a hands-on position offering future leadership opportunities within a growing defence-sector security function.

GBR Recruitment Limited Newark on Trent, Nottinghamshire, NG24 1EA, United Kingdom £55,000 – £60,000 pa

Hybrid Permanent Clearance Required