51 to 66 of 66 Security Testing Jobs in London

Staff Implementation Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Menlo Ventures, IVP, Unusual Ventures, Citi Ventures, and more. As AI accelerates code creation, the real bottleneck has shifted to everything after the code – testing, deployments, application security, reliability, compliance, and cost optimization. Harness brings AI and automation to this “outer loop,” helping teams ship software faster while … maintaining security and governance throughout the entire software delivery lifecycle. Powered by Harness AI and the Software Delivery Knowledge Graph, the Harness Platform applies deep context and intelligent automation across the software delivery lifecycle with governance and policy-driven controls embedded throughout the platform. Over the past year, Harness ...

Penetration Tester (CHECK Team Leader)

Hiring Organisation
17918
Location
London, United Kingdom
Team Leader) Location: United Kingdom - Remote Salary: £70,000 - £75,000 Type: Permanent, Full-Time Summary: We're working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations. They're looking for a CHECK Team Leader, or a strong CHECK … with a small client site requirement (90% remote, 10% on site average) with all travel expenses covered. Key Responsibilities: Leading and delivering CHECK penetration testing engagements Conducting infrastructure, web application, cloud, and Active Directory security assessments Identifying vulnerabilities and providing practical remediation advice Producing and reviewing clear, high ...

AI Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
agents, owning the merged result end-to-end. Quality, Review & Verification: Ensure agent-generated code meets acceptable standards and architectural decisions by applying strong testing discipline including TDD. AI & Product Capabilities: engineer AI and agent features into the product. A Human Agent for Change: working collaboratively with engineers … agents: task decomposition, context and prompt engineering, defining acceptance criteria and stop conditions. Rigorous review and verification of AI-generated code, backed by strong testing discipline (TDD, plus performance and security testing). Knowing when to keep a human in the loop. Advanced modern JavaScript/TypeScript ...

Security Engineer: Web App Pentests & Cloud Defense

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Maria Petersen - Alpha Demo (For Product Release) is seeking a Security Engineer to manage security posture and protect the application from threats. You will perform web app pentests, secure cloud infrastructure, and oversee SOC II controls, with the ability to pull the plug on risky features. A strong … background in security testing and proactive risk management is essential. The role requires hands-on experience with Linux, firewall management, and Agile DevOps practices, and offers a #J-18808-Ljbffr ...

DevSec Ops Team Lead

Hiring Organisation
Sky
Location
Isleworth, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
GBP per hour
/Team overview Were seeking an experienced manager to lead our DevSecOps tooling team. Youll help maintain and design the next iteration of application security tooling. Working in partnership with leaders at Comcast, youll guide cross-functional efforts at enterprise scale. As the team lead of AppSec Tooling, youll … oversee software that helps catalogue and prioritise vulnerability data, leveraging AI where possible to create performance multipliers. Our team currently consists of 4 Security Developers with interdisciplinary support from QA, product, program, and other areas of the business. We build and upgrade workflows in two major productsan Application Security ...

DevSec Ops Team Lead

Hiring Organisation
17918
Location
London, United Kingdom
/Team overview Were seeking an experienced manager to lead our DevSecOps tooling team. Youll help maintain and design the next iteration of application security tooling. Working in partnership with leaders at Comcast, youll guide cross-functional efforts at enterprise scale. As the team lead of AppSec Tooling, youll … oversee software that helps catalogue and prioritise vulnerability data, leveraging AI where possible to create performance multipliers. Our team currently consists of 4 Security Developers with interdisciplinary support from QA, product, program, and other areas of the business. We build and upgrade workflows in two major productsan Application Security ...

Fintech Lab Engineer (Manager or Senior Consultant level) - Fintech Lab - Permanent - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
responsibilities Challenge traditional delivery methods and introduce faster, more automated ways of building software. Define and maintain engineering standards across the Lab, including quality, security, testing and production-readiness. Work with clients and internal stakeholders to identify, assess and prioritise high-value opportunities for emerging technology. Architect … with AI development frameworks such as LangChain, foundation model platforms, vector databases, structured outputs, tracing and evaluation techniques Experience applying modern engineering practices, including testing, CI/CD, DevOps, observability, secure development, code quality, architecture reviews and production-readiness Experience designing monitoring approaches, dashboards or evaluation mechanisms to understand ...

Senior Security Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
Salary: £80,000 - £90,000 per annum Location: London What the role covers: Designing, developing, optimizing, and enhancing a GenAI prompt security platform to protect firm AI/LLM-based applications from adversarial attacks and prompt injections. Building and automating a security testing framework to validate protection … Jenkins etc) Expertise in designing and implementing secure APIs and libraries. Experience in Generative AI, LLM frameworks, LLM prompt engineering and/or adversarial testing is a bonus. Experience with Cyber engineering and Operations, which could include DevSecOps or MLSecOps. Experience contributing to the architecture and design (architecture, design ...

Principal Software Engineer, C#

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
complex technology initiatives from concept through to deployment and support, taking accountability for successful delivery and resolving challenges proactively. Drive improvements in code quality, security, testing, performance, automation, and DevOps practices while managing technical debt and continuous improvement initiatives. Build strong relationships with business and technical stakeholders, translating ...

C# Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
from concept through to deployment and support, taking accountability for successful delivery and resolving challenges proactively. Promote Engineering Excellence – Drive improvements in code quality, security, testing, performance, automation, and DevOps practices while managing technical debt and continuous improvement initiatives. Influence Stakeholders – Build strong relationships with business and technical ...

Senior Software Engineer, Risk

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
highly resilient cloud-based solutions Carry the banner of quality as a first class citizen by conducting rigorous unit, integration, and non-functional (performance, security) testing to guarantee our software is production-ready Implement world class levels of Observability to derive deep application insights, performance and usage data ...

Senior Web Security Engineer (ProdSec)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Web Security Engineer (ProdSec) at iProov Senior Web Security Engineer About iProov iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC … against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. This global trust is built not only ...

Application Support Specialist

Hiring Organisation
JSS
Location
City of London, London, United Kingdom
incidents and requests within SLA Manage problems using an ITIL-aligned approach Identify and mitigate technology risks Maintain documentation and knowledge articles supporting information security and compliance standards Perform regular health checks on critical services Remediate vulnerabilities from security testing and scanning Build out proactive monitoring … coach colleagues across the wider IT function Requirements Experience in application support within Financial Services, ideally banking Knowledge of banking platforms and their security/assurance requirements Experience supporting enterprise applications on Linux, with database and middleware platforms Confidence managing third-party vendor relationships against SLAs Familiarity with ...

Lead Data Engineer — 14-Month FTC

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
underpin business decisions. You will mentor Senior Data Engineers, drive best practices, and oversee development from design through deployment while maintaining high standards for security, testing and monitoring across live data products. #J-18808-Ljbffr ...

Fractional Chief Compliance Officer — Privacy & Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trust with customers, partners and regulators. The role will own policy, certifications, GDPR compliance, and external audits, while coordinating with the CTO on security testing and roadmap alignment. We value curiosity, a bias for action, and an iterative approach. #J-18808-Ljbffr ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Wimbledon, England, United Kingdom
Turn business requirements into robust, secure technical solutions Design and build scalable, high-performing applications and services Write high-quality, maintainable code with strong testing and automation Lead investigations into complex technical issues and ensure system stability Champion engineering best practices and continuous improvement Shape system and API design … cloud environments (GitHub Actions, Terraform, AWS CDK, CloudFormation) Monitor and support live services, including incident analysis and preventative fixes Ensure solutions meet security, accessibility, performance, and data-protection standards Qualifications Demonstrate clear expertise across Requirements & Analysis, including ability to translate business needs into clear technical solutions. Experience with ...