49 app security opportunities in London updated today
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· Page 1 / 3A high-growth startup in Greater London is seeking a Security Engineer to help secure their cloud infrastructure and internal systems. The ideal candidate will have 3-4 years of hands-on experience in security roles, strong knowledge of AWS or GCP security, and familiarity with application security
AbacusA leading cybersecurity firm in the United Kingdom is seeking an Offensive Cybersecurity Engineer to perform penetration testing on web applications and APIs. This role involves conducting risk assessments, creating detailed reports, and collaborating with the Cybersecurity Red Team. Ideal candidate
A global leader in AI for cybersecurity is seeking a Penetration Tester to join its internal cybersecurity team in the Greater London area. You will perform penetration tests across various digital environments, collaborate with developers to mitigate security risks, and stay informed about emerging
A leading cybersecurity services provider in the United Kingdom is seeking a Technical Lead in Application Security. The role involves leading a team of engineers, ensuring high-quality security solutions, and engaging with clients on long-term projects. Candidates should have over 8 years of releva
A cybersecurity services provider in the UK is seeking a Technical Project Manager to lead application security projects. The role involves managing deliverables, engaging with clients, and ensuring high-quality service. Candidates should have over 4 years of relevant experience, strong project mana
Clear CorpA leading technology firm in London is looking for a Senior Application Security Engineer to enhance their team's application security testing. In this role, you will be responsible for leading penetration testing, automating security processes, and working closely with product and engineering teams
A leading cybersecurity company is seeking a Senior Application Security Engineer to conduct in-depth security reviews of applications, collaborate closely with development teams, and drive initiatives for vulnerability mitigation. The ideal candidate has over 5 years of experience in information se
A leading technology consultancy in the United Kingdom is seeking an Application Architect to design end-to-end architecture for modern digital applications. The successful candidate will play a crucial role in defining technology stacks and integration patterns, while providing technical leadership
GitHub, Inc.About GitHubGitHub is the world's leading platform for agentic software development — powered by Copilot to build, scale, and deliver secure software. Over 180 million developers, including more than 90% of the Fortune 100 companies, use GitHub to collaborate, and more than 77,000 organisations have
Crane Venture PartnersA high-growth startup in Greater London is seeking a Security Engineer to help secure their cloud infrastructure and internal systems. The ideal candidate will have 3-4 years of hands-on experience in security roles, strong knowledge of AWS or GCP security, and familiarity with application security
GitHubA global technology company is seeking an experienced Application Security Sales Executive to drive the adoption of GitHub Advanced Security. You will lead technical engagements, collaborate with sales teams, and act as a subject matter expert in application security. The ideal candidate has over 6
GitHub, Inc.A leading software development platform is seeking an Application Security Sales Executive to drive the adoption and growth of advanced security solutions. The role involves leading technical sales engagements, collaborating with enterprise teams, and serving as a subject matter expert. Candidates s
KingfisherA leading home improvement retailer in London is seeking an Application Security Specialist to enhance and safeguard their digital platforms. In this senior role, you will optimize application security tools, oversee application security testing, and implement security within development processes.
CENSUS SAA leading cybersecurity services provider in the United Kingdom is seeking a Technical Lead in Application Security. The role involves leading a team of engineers, ensuring high-quality security solutions, and engaging with clients on long-term projects. Candidates should have over 8 years of releva
incident.io LtdA leading AI incident response platform is seeking a security-focused professional to enhance application safety through secure code practices, identifying vulnerabilities, and collaborating closely with product teams. The ideal candidate will have hands-on experience with various security testing t
GitHub, Inc.About GitHubGitHub is the world's leading platform for agentic software development — powered by Copilot to build, scale, and deliver secure software. Over 180 million developers, including more than 90% of the Fortune 100 companies, use GitHub to collaborate, and more than 77,000 organisations have
Fuse EnergyA renewable energy startup in the UK is seeking a Security Engineer to implement and maintain security controls across its systems. The role requires a Bachelor's degree in Computer Science or a related field, with 2-3 years of relevant experience. Ideal candidates will have foundational knowledge o
Fuse Energy, LLCA renewable energy startup is looking for a motivated Security Engineer to enhance its security measures while working alongside senior security professionals. This role involves implementing security controls, conducting threat modelling, and supporting incident response operations. Applicants shou
Fuse EnergyA forward-thinking renewable energy startup is looking for a motivated Security Engineer to support and strengthen their security posture. In this role, you will implement security controls, assist in threat modelling, and monitor security alerts. Ideal candidates have 2–3 years of experience and a
Fuse EnergyA forward-thinking renewable energy startup is looking for a motivated Security Engineer to support and strengthen their security posture. In this role, you will implement security controls, assist in threat modelling, and monitor security alerts. Ideal candidates have 2–3 years of experience and a
CBSbutler Holdings Limited trading as CBSbutlerA leading technology firm is seeking an experienced Application Security Architect to enhance their secure Gateway capability for a strategic UK defence project. Responsibilities include designing technical changes, producing high-quality documentation, and ensuring operational assurance in a high-s
Who Are We Hansen Technologies is a leading global provider of software and services that enable organisations to transform customer experiences and streamline critical business processes. With a rich history of innovation and a footprint that spans over 80 countries, Hansen empowers utilities, ener
Senior Programme Solution Architect - Up to £600 per day Fully Remote 18+ Months Contract Outside IR35 We are looking for a Senior Programme Solution Architect to take end‑to‑end ownership of the technical design and architectural direction for a major AWS migration programme. This is a hands‑on pro
Walsh Employment*Technical Application Support Analyst** *Location:** Gerrards Cross - ideally onsite 5 days a week but will consider 1-2 days remote *Salary:** £35-45K plus bonus Our client empowers healthcare professionals to improve *patient care** by developing innovative, cost-effective, and tailored database
Job Description *Job Requisition ID:** 34733 *Job Closing Date:** 17th April 2026 London, GBR, W12 7FA JOB DETAILS JOB BAND: C CONTRACT TYPE: Permanent, Full-time DEPARTMENT: Engineering LOCATION: London - TVC PROPOSED SALARY RANGE: £44,869 – £58,000 depending on relevant skills, knowledge and exper
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*About the role** An exciting opportunity to join a leading company and play an influential part in their continued dedication to Application Security. At Tesco, the application security team’s strategy is to provide security tooling that fits seamlessly into software engineering teams ways of worki
AircallAircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our
Tesco Technology*About the role** An exciting opportunity to join a leading company and play an influential part in their continued dedication to Application Security. At Tesco, the application security team’s strategy is to provide security tooling that fits seamlessly into software engineering teams ways of worki
£38,000 – £61,000/year
Estimation confidence: Low
Estimate based on market data for London. Actual salaries may vary depending on experience, company, and area.
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