Jobs in London

IT/OT Penetration Tester

This role involves conducting penetration testing across IT and OT environments, assessing industrial control systems, operational networks, and connected infrastructure. You will identify vulnerabilities, produce high-quality reports, and provide remediation recommendations to clients in critical sectors like energy, nuclear, and manufacturing.

eFinancialCareers London, United Kingdom

Cloud Engineer

This role involves designing, building, and maintaining scalable cloud infrastructure primarily on AWS, supporting secure and resilient applications. You will work on high-impact systems, implement Infrastructure as Code, and ensure compliance and high availability, collaborating with engineering and architecture teams.

eFinancialCareers London, United Kingdom £75,000 pa

Hybrid Permanent Clearance Required

Senior Consultant - Data & AI Architecture

This role involves designing and implementing advanced data and AI architectures, leading cloud transformation projects, and developing AI solutions for major clients. You will work closely with senior stakeholders to drive innovation and deliver strategic outcomes, leveraging cloud platforms like AWS, Azure, and GCP.

Deerfoot Recruitment Solutions St Paul's, City And County Of the City Of London, EC4M 9AD, United Kingdom £60,000 – £80,000 pa

Cyber Security Engineer

This role involves securing Windows and Linux environments, enhancing endpoint security, implementing cloud security controls in Azure, and embedding security in the SDLC. You'll work closely with software engineers, infrastructure teams, and investment technology groups to build and mature security capabilities across multiple domains.

Huxley Associates London, United Kingdom £200,000 – £250,000 pa

Python Developer - AI

This role involves building production-ready AI applications and APIs using Python, FastAPI, and various AI frameworks. You'll work on generative AI, LLMs, RAG, and vector search, taking POCs to production for enterprise clients.

83zero Manchester, United Kingdom £45,000 – £55,000 pa

Python Developer - AI

This role involves building production-ready AI applications and APIs using Python, FastAPI, and various AI frameworks. You'll work on generative AI, LLMs, RAG, and vector search, taking POCs to production for enterprise clients.

83zero London, City And County Of the City Of London, United Kingdom £45,000 – £55,000 pa

TypeScript Engineer

You'll work as a TypeScript Developer on a 6-month contract, contributing to the redevelopment of a main product for a new region. Your role involves close collaboration with Engineers, Design, and Front End teams to develop the backend of the new platform, leveraging TypeScript, Node, Terraform, GraphQL, and AWS.

Cathcart Technology London, United Kingdom £500 – £550 pd

Hybrid Contract

Cloud Native Software Developer - eDV Cleared

Design and build secure, cloud-native applications for classified government programmes using modern technologies and Agile practices. Work within high-performing teams to deliver scalable, resilient systems on sensitive national security projects. Focus on DevSecOps, containerisation, and infrastructure as code in a mission-critical environment.

Searchability NS&D London, United Kingdom £45,000 – £95,000 pa

Hybrid Permanent Clearance Required

Software Developer (.Net , C# , Event Sourced Architecture)

This role involves developing and maintaining software applications across edge, on-premise, and cloud environments using .NET, Angular, TypeScript, and Kubernetes. You will work on clean, maintainable code, build APIs, and support existing platforms, contributing to an Agile Kanban environment.

Matchtech London, United Kingdom £45,000 – £55,000 pa

Head of Software Engineering

This role involves leading a multidisciplinary engineering function, setting engineering standards, and driving improvements in quality, delivery, and operational resilience. You'll work closely with senior leaders to shape the engineering direction and support cloud-native transformation using Microsoft Azure and modern DevOps practices.

itecopeople London, United Kingdom £600 – £650 pd

Java Developer | AWS Microservices I SC Cleared

This role involves designing, developing, and maintaining Java-based microservices within a large-scale AWS architecture. You will work in a Scrum team, focusing on writing clean, scalable code, performing unit and integration testing, and mentoring junior developers.

Matchtech Newcastle upon Tyne, Tyne & Wear, United Kingdom £280 – £500 pd

Cyber Assurance Lead (Cloud & AI)

The role involves leading the security assurance function for a sovereign AI platform, setting security baselines, and verifying compliance across cloud, IT, and product teams. You will work closely with engineering, product, IT, commercial, and leadership to ensure rigorous and continuous security assurance, and directly influence the growth of the security function.

VIQU IT Recruitment Belfast, United Kingdom £80,000 – £100,000 pa

Senior Software Engineer

This role involves working on a high-scale platform that plays a significant role in the AI industry. You'll be part of a team focused on reliability, performance, and rapid evolution of systems, with a strong emphasis on product ownership and solving complex problems.

Maxwell Bond Camden Area, London, United Kingdom £80,000 – £100,000 pa

Lead Azure Platform Engineer

The Lead Azure Platform Engineer will provide technical leadership for an Agile team, designing and building secure cloud infrastructure in Microsoft Azure. Responsibilities include hands-on platform engineering, sprint planning, risk management, and ensuring compliance with security standards and project governance.

Experis London, United Kingdom £585 pd

Remote Contract Clearance Required

Senior/Principal AI Software Engineer

This role involves leading the development of agentic AI security applications, defining solution architecture, and contributing to complex components. You will work with software and solution architects, maintain engineering standards, and ensure secure development practices within a Python and AWS environment.

Experis London, United Kingdom £600 – £800 pd