Senior Application Security Engineer

Company IconClear Corp
Location IconLondon

Application Security Penetration Testing SDLC OWASP Security Automation We are seeking a Senior Application Security Engineer to enhance our team and elevate our application security testing. You will be responsible for penetration testi...Read More>>.

Posted: August 7th, 2026
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Senior Software Security Engineer

Company IconHarmonic Security
Location IconLondon

AI doesn't run in one place anymore. It runs in the browser tab, the desktop app, the agent your engineers kicked off, and the copilot embedded in the tools you already pay for. Harmonic Security governs all of it. Our AI Governance and Control...Read More>>.

Posted: August 7th, 2026
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Security Engineer, SDO AppSec

Company IconAMAZON UK
Location IconLondon

Description At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s prod...Read More>>.

Posted: August 10th, 2026
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Senior Security Engineer - Contract

Company Iconjobr.pro
Location IconLondon

What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and share...Read More>>.

Posted: August 10th, 2026
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Security Engineer: Secure-by-Design Cloud & IAM

Company IconSurevine Limited
Location IconLondon

Surevine Limited is seeking a security-focused professional to own security across our corporate estate and collaborate with engineering teams on secure-by-design solutions. The role offers growth into customer-facing work and the chance to influe...Read More>>.

Posted: August 30th, 2026
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Senior Physical Security Engineer

Company IconNscale
Location IconLondon

Position Summary The Physical Security Engineer provides regional engineering leadership for physical security systems throughout the planning, design, construction, and commissioning lifecycle. This role ensures every new data center...Read More>>.

Posted: September 5th, 2026
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Security Engineer: Secure‑by‑Design & Microsoft Platforms

Company IconSEFE Energy GmbH
Location IconLondon

SEFE Energy GmbH is seeking a Security Engineer to embed secure-by-design practices across our technology landscape. You will work in the Security Platforms & Architecture team to enhance security platforms, implement pragmatic controls, and suppo...Read More>>.

Posted: September 7th, 2026
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security engineer in enterprise AI

Company IconEnfint
Location IconLondon

Описание:WRITER develops an end-to-end enterprise AI platform that enables companies to build and deploy AI agents grounded in proprietary data and powered by enterprise-grade LLMs.Задачи:Build securi...Read More>>.

Posted: September 8th, 2026
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Senior Security Engineer (Infrastructure)

Company IconTain
Location IconLondon

Job Summary We are seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility,...Read More>>.

Posted: September 14th, 2026
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Staff Product Security Engineer

Company IconDoxy.me Inc.
Location IconLondon

Staff Product Security Engineer Who we are We’re doxy.me (doc-see-me), the world's most loved telemedicine solution, and we're on a mission to connect the world to the future of healthcare. We believe that cost and comp...Read More>>.

Posted: September 14th, 2026
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security engineer for biometric products

Company IconEnfint
Location IconLondon

ОписаниеiProov provides science-based biometric solutions for secure remote onboarding and authentication across digital and physical access. Its liveness technology and iSOC protect against deepfakes and generative AI threats...Read More>>.

Posted: September 14th, 2026
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Staff Product Security Engineer

Company IconAnduril Industries
Location IconLondon

About AndurilAnduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's...Read More>>.

Posted: September 14th, 2026
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Senior Product Security Engineer

Company IconMozilla
Location IconLondon

Overview As a Senior Software Engineer - Operations, you’ll bring a passion for crafting resilient systems that accelerate our review and operations team to provide a first-class experience for Add-on developers. You’ll work closel...Read More>>.

Posted: September 14th, 2026
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Lead Application Security Engineer

Company IconKlarna
Location IconLondon

Klarna is seeking a Lead Engineer for Secure Development to help prevent security flaws by reviewing architecture, modeling threats, and guiding engineering teams in secure design and implementation.The role involves hands-on assessment, co...Read More>>.

Posted: September 14th, 2026
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Senior Product Security Engineer

Company IconSlope
Location IconLondon

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative com...Read More>>.

Posted: September 14th, 2026
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Senior Application Security Engineer

Company IconElsevier
Location IconLondon

Are you a software engineer who is passionate about building secure applications with an interest in moving into application security? Do you enjoy collaborating with engineering teams to drive practical, secure-by-design solutions that reduce...Read More>>.

Posted: September 14th, 2026
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Platform Security Engineer (DevSecOps)

Company IconQube Research & Technologies
Location IconLondon

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. C...Read More>>.

Posted: September 14th, 2026
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security engineer for AI adoption

Company IconEnfint
Location IconLondon

Описание:Brunswick is a global advisory firm that helps companies address high-stakes issues, navigate complex stakeholder relationships, and achieve high-impact outcomes. It provides expertise across financial and investment,...Read More>>.

Posted: September 15th, 2026
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Security Engineer, Detection Response

Company IconWhereby
Location IconLondon

About Vercel:Vercel is the agentic infrastructure company. We free people and agents to ship what’s next.For more than a decade, Vercel has shaped how the web is built. As the team behind Next.js, v0, and AI SDK, we create pro...Read More>>.

Posted: September 17th, 2026
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Senior Application Security Engineer

Company IconFlagstone
Location IconLondon

What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and share...Read More>>.

Posted: September 17th, 2026
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Staff Product Security Engineer

Company IconStrativ Group
Location IconLondon

Staff Product Security Engineer | LondonLondon, UK | Full-Time | SC Clearance Required | UK Citizens OnlyWe are a defence technology company working on some of the most technically complex systems being built today -...Read More>>.

Posted: September 21st, 2026
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Senior Security Engineer - Contract

Company IconFlagstone Group Ltd
Location IconLondon

What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and share...Read More>>.

Posted: September 21st, 2026
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Product Security Engineer — Secure-by-Design Solutions

Company IconUnited Talent Agency LLC
Location IconLondon

UTA seeks a Security Engineer - Product Security to help embed security into the design, development, and operation of our products and platforms. You will collaborate with engineering, product, and security teams to design and implement security...Read More>>.

Posted: September 21st, 2026
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Web Security Engineer JavaScript

Company IconClient Server
Location IconLondon

You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure and some of the world's largest enterprises against identity fraud, deepfakes...Read More>>.

Posted: September 21st, 2026
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Senior Network & Security Engineer

Company IconPoutrix
Location IconLondon

Arcadis is seeking a Network Engineer to contribute to the planning, design, and optimization of the company’s network and security infrastructure. You will engage in evaluating technologies, testing, and providing advanced troubleshooting as pa...Read More>>.

Posted: September 21st, 2026
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Cyber Security Engineer - London

Company IconGCS
Location IconLondon

Salary: £? - ? per year Requirements: Strong experience delivering Secure by Design outcomes within complex enterprise environments. Experience reviewing solution architectures and identifying pragmatic se...Read More>>.

Posted: September 21st, 2026
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Security Engineer (Institutional Trading)

Company IconPrudence Holdings
Location IconLondon

You’ll be the hands‑on security engineer embedded with the Institutional Trading and Financial Operations (FinOps) team. Your focus is the secure operation of off‑chain trading processes and infrastructure that empowers our institutional...Read More>>.

Posted: September 21st, 2026
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AWS Security Engineer Contract

Company IconWith Intelligence
Location IconLondon

AWS Security & Vulnerability Remediation Engineer (DevSecOps / Cloud Security) 3 month initial contract outside IR35 Role Summary We are looking to hire an AWS-focused security engineer to lead the remediati...Read More>>.

Posted: September 21st, 2026
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Data Security Engineering Lead

Company Icon慨正橡扯
Location IconLondon

Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym...Read More>>.

Posted: September 21st, 2026
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Security Engineer (HashiCorp Vault)

Company IconLevy Global
Location IconLondon

Security Engineer (HashiCorp Vault) | Contract | Financial Services | Hybrid Looking for a Senior Security Engineer with strong HashiCorp Vault expertise to join a key client based in London. The Role This i...Read More>>.

Posted: September 21st, 2026
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Infrastructure Security Engineer London

Company IconBlockchain Ventures
Location IconLondon

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has e...Read More>>.

Posted: September 21st, 2026
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Senior Network Security Engineer

Company IconNatilik
Location IconLondon

Natilik is a Global Technology Solutions Partner. Our mission continues to be two-fold; growing a brand that is seen as the industry’s ‘Confident Guide’ sat between the vendors who make technology, and our clients who want to use it to he...Read More>>.

Posted: September 21st, 2026
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Institutional Trading Security Engineer

Company IconBlockchain Ventures
Location IconLondon

Security Engineer, Institutional TradingLondonBlockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely...Read More>>.

Posted: September 21st, 2026
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Security Engineer, Institutional Trading

Company IconBlockchain.com
Location IconLondon

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has e...Read More>>.

Posted: September 21st, 2026
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Lead Cyber Security Engineer

Company IconDGH Recruitment
Location IconLondon

Lead Cyber Security Engineer Location: London, England, United Kingdom Base Pay Range Direct message the job poster from DGH Recruitment. Responsibilities Implement security architecture of the fir...Read More>>.

Posted: September 21st, 2026
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Senior Network & Security Engineer

Company IconArcadis
Location IconLondon

Arcadis is looking to hire a Network Engineer to contribute to the planning, designing, and optimization for all aspects of the network and security infrastructure within the company with a passion to drive and execute Digital to the core of every...Read More>>.

Posted: September 21st, 2026
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Senior Application Security Engineer

Company IconFortinet
Location IconLondon

OverviewSenior Application Security Engineer role at Fortinet. This is a highly technical role within the Corporate Information Security team, with responsibilities including conducting security reviews on Fortinet applications, provid...Read More>>.

Posted: September 21st, 2026
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Infrastructure & Security Engineer in London

Company IconEnergy Jobline CVL
Location IconLondon

We are delighted to be working in partnership with one of the UK’s leading retail businesses, home to well-known high-street brands and employing over 6,000 people, across a growing estate of over 275 locations. They have a lean, high-trust t...Read More>>.

Posted: September 21st, 2026
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Staff Cloud Security Engineer

Company IconEngine by Starling
Location IconLondon

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.Engine is Starling's software-as-a-service (SaaS) business, the...Read More>>.

Posted: September 21st, 2026
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Cyber Security Engineer (DLP)

Company IconBonhill Partners
Location IconLondon

Location: London, UKSalary: Up to £120kRequirementsStrong experience in cybersecurity engineering within complex, large-scale enterprise environments.Proven hands-on expertise across Data Security and C...Read More>>.

Posted: September 23rd, 2026
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Cloud Application Security Engineer

Company IconAmazon
Location IconLondon

Amazon Development Centre (London) Limited is seeking an Application Security Engineer to help safeguard our rapidly evolving products and services. You will perform security reviews, design secure architectures, and conduct threat modeling while...Read More>>.

Posted: September 23rd, 2026
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Security Engineer - IAM - £90K

Company IconOliver Bernard
Location IconLondon

Our client is one of the world’s leading market data and trading analytics firms – Building cutting edge analytical solutions for banks, brokers and hedge funds around the world.With hybrid working in their Canary Wharf office, they’r...Read More>>.

Posted: September 24th, 2026
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Senior Product Security Engineer

Company IconDojo
Location IconLondon

We’re reinventing payments. In less than four years, Dojo disrupted the market to become the largest and most loved acquirer in the UK. Our payments infrastructure, purpose-built for in-person commerce, is game changing. Now, ov...Read More>>.

Posted: September 24th, 2026
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application security engineer in insurance

Company IconEnfint
Location IconLondon

ОписаниеKi is an algorithmic insurance carrier that uses algorithms, machine learning, and large language models to provide insurance brokers with quotes in seconds. Working with Google and UCL, the company digitally transforms...Read More>>.

Posted: September 24th, 2026
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Data & Cloud Security Engineer

Company IconAllegis Group
Location IconLondon

Leading bank looking for a Cyber Security Engineer to join the team. This is a hands-on role focusing on Data and Cloud Security. Responsibilities: Lead the design, implementation, and optimization of enterprise security s...Read More>>.

Posted: September 25th, 2026
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Principal Cloud Security Engineer

Company IconHamilton Barnes ?
Location IconLondon

Principal Cloud Security Engineer / Consultant | London | Up to £120,000 Want to shape a Cloud Security practice rather than just deliver within one? A PE-backed professional services consultancy is growing its Cyber Security...Read More>>.

Posted: September 25th, 2026
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Product Security Engineer: Secure DevOps for Cloud

Company IconSelby Jennings
Location IconLondon

Selby Jennings is seeking a Product Security Engineer to join its Security team, operating at the intersection of security, software engineering, and infrastructure in a highly technical environment. The role partners with software and infrastruct...Read More>>.

Posted: September 26th, 2026
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