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A leading technology firm located in Greater London seeks an experienced Application Security Engineer. This role focuses on conducting application security reviews, designing secure architecture, and leading research initiatives to ensure the safety and privacy of user data.

As an Application Security Engineer (ASE) you will curate and manage the incoming security vulnerability submissions to some of the world's biggest companies' bug bounty programs. At Bugcrowd, we handle application security assessment at an epic scale. As an ASE at Bugcrowd you will be exposed to th

They need a Security Engineer to join and help automate security processes, influence the architecture, and partner with Cloud and Data teams. They hire people from tech as commonly as from within finance, and they need a Senior Product Security Engineer to join their growing London office. This com

You'll work at the intersection of application security, AI infrastructure, and developer enablement—partnering with engineering teams to embed security into every line of code while ensuring our platform remains both powerful and trustworthy. As a security engineer, applications at WRITER, you'll

A major UK defence contractor is seeking an Application Design Engineer to support secure Gateway solutions.

A global software firm located in the United Kingdom is seeking an Application Security Engineer who will be key in ensuring secure-by-design principles across applications. Essential experience includes application security, familiarity with security tools, and strong communication skills. The succ

As a Senior Application Security Engineer, you’ll lead the application security practice within the IAG Loyalty security team, taking responsibility for key security KPIs in this area. As IAG Loyalty evolves into a Platform as a Service business, we’re looking for a talented and passionate Senio

The State Street Cyber Security Architecture & Engineering team is seeking an accomplished professional with proven expertise in Application Security (AppSec) and DevSecOps. Assist the development community to triage Dynamic Application Security Testing (DAST) and container scanning vulnerabilities,

A leading financial technology company is seeking an experienced Application Security Engineer to enhance their security posture and work closely with product teams. Ideal candidates will have strong Python skills and at least five years of professional experience in security-related roles.

A leading specialty insurance company in Greater London is seeking an 'Application Security Analyst' to enhance application security within their operations. You will embed security controls in the software development lifecycle, collaborate with developers on remediation of vulnerabilities, and man

A cybersecurity company is seeking an Application Security Engineer (ASE) to manage security vulnerability submissions for major bug bounty programs. The role involves curating submissions for validity, incident response, and requires knowledge of various security vulnerabilities. Candidates should

This is a highly technical role, with responsibilities conducting security reviews on various Fortinet applications, providing security education to our engineers and handling externally reported vulnerabilities. Application Security Engineer to join the Corporate Information Security team. Experien

As an Application Security Engineer, you’ll play a key role in ensuring secure-by-design principles are applied across web and API-driven applications. Contributing to security standards, tooling and best practices across the SDLC. Ability to clearly communicate security risks to both technical an

This is a hands‑on Security Application Architect role where you'll design, implement and troubleshoot mission‑critical infrastructure in a live, security‑sensitive environment. If you are interested in discussing this Application Security Design Engineer role further, please reply back with a

A leading AI-focused company in Greater London seeks a Security Engineer to build the security foundations for its AI systems. This role focuses on application security, partnering with engineering teams and conducting threat modeling. Candidates should have a strong background in application securi

Support and help coordinate application‑layer security incidents and escalations, working closely with Engineering, Support, and other stakeholders to investigate, contain, and learn from issues. Senior Information Security Engineer (AppSec) at Camunda, you’ll join a small, senior, and highly co

A leading AI technology company is seeking a Security Engineer to build the security foundations protecting AI systems for global brands. Candidates should have over 2 years in application security with expertise in programming (Python, Java). Responsibilities include threat modeling, evolving the a

You have developed a breadth of experience across multiple security domains, including web and mobile application security, infrastructure and cloud security, and can connect these areas to drive a holistic security approach. You have experience embedding application security practices into CI/CD pi

The State Street Cyber Security Architecture & Engineering team is seeking an accomplished professional with proven expertise in Application Security (AppSec) and DevSecOps. Security+ or other cybersecurity security certification. The ideal candidate will have hands‑on experience in application se

We are looking for an experienced application security engineer to join the Application Security team. The Amazon Application Security team focuses on working with our builders to provide experiences that our customers can trust. Amazon Security values diverse experiences.

Good experience in DevOps, Application Security, Cloud Security, or Product Security roles. This role is ideal for someone who enjoys partnering with engineering teams, embedding secure development practices, and driving modern cloud security standards. Strong understanding of secure coding principl

You'll work at the intersection of application security, AI infrastructure, and developer enablement—partnering with engineering teams to embed security into every line of code while ensuring our platform remains both powerful and trustworthy. As a security engineer, applications at WRITER, you'll

Experience: 5+ years of experience in Security Engineering, with a strong focus on Application Security and Cloud Security. You will own the holistic security posture of the Pavo platform, spanning Application, AI, and Infrastructure security:. As a Founding Security Engineer, you will help establis

This broadly scoped role will give you a chance to work on a variety of security projects—from direct application security to assisting our infrastructure team with database security. You’ll primarily be responsible for our application security, working with product teams on new systems to enhan

Web Application Diagnostics Engineer - Secure Browser Solutions (Endpoint Security). Comfortable working across security, network, and application teams. You will play a key role in diagnosing web application breakage, analysing network traffic flows, and working cross-functionally with network and

You will integrate security into application development, work alongside engineering teams, and design security features for customer environments. A leading AI technology company is seeking a Security Engineer to build security foundations for AI systems used by top brands. The ideal candidate has

Minimum of 5 years working in software engineering with a strong focus on web application security. Providing security training and guidance to engineering teams to embed security into the software development process. Lead Application Security Engineer.

A cutting-edge AI company is seeking an Application Security Engineer to join their Security team. The role involves designing security controls, reviewing application architectures, and enhancing security posture at all development stages, contributing directly to the improvement of product securit

Senior Security Engineer - Application Security. Senior Security Engineer - Application Security. Senior Application Security Engineers.

This is a hands-on role for someone who enjoys deep technical work and collaborating closely with engineers and analysts to turn reverse engineering into real, usable insight. Reverse engineering major Android applications to uncover strategic and behavioral insights. Android reverse engineering, mo

Cybersecurity & Application Security. Ensure all solutions are architected to provide robust protection of application components, with strong consideration for. This is an opportunity to influence and shape security architecture across one of the UK's largest retail banks.

A leading home improvement retailer based in Paddington, London, is seeking an Application Security Specialist to enhance its digital platforms. In this senior role, you will ensure web, mobile, and API applications are kept secure from evolving threats, while promoting security within development p

A fintech company based in Greater London is looking for an experienced Application Security Engineer. The successful candidate will ensure secure development practices, drive security strategy, and manage security controls across cloud environments. This role requires expertise in AWS security and

We’re looking for an Application Security Engineer to join the ElevenLabs Security team. Identify, prioritise and remediate application security vulnerabilities, working directly with engineers and contributing to fixes where required, across the entire stack. Solid understanding of application se

A leading technology firm in defence is seeking an Application Security Engineer (Technical SME) for a hybrid role in London or Bristol. Candidates should have a background in engineering, a strong problem-solving ability, and excellent communication skills.

Whether engineering a system to address a technical security hurdle, protecting our customers' data, or consulting on a wide range of security topics, you are empowered to engage and lead cross‑functionally. A large part of Thought Machine product security function is a greenfield challenge, we ar

Application Security Engineer (Technical SME). Background in systems engineering, electronics, aerospace, mechanical engineering, or related technical field. Opportunities to work on innovative, high-impact defence programmes that support national and allied security.

We are seeking a Senior Application Security Engineer to enhance our team and elevate our application security testing. Application Security Penetration Testing SDLC OWASP Security Automation. Deliver security products and consult with DevOps, supporting automated security testing in CI/CD pipelines

The Application Security Engineer will play a key role within the Application Security team, providing hands‑on technical expertise, guidance, and enablement to development teams across Featurespace. Demonstrable experience in application security engineering, secure development, vulnerability man

As an Application Security Engineer (ASE) you will curate and manage the incoming security vulnerability submissions to some of the world’s biggest companies’ bug bounty programs. At Bugcrowd, we handle application security assessment at an epic scale. As an ASE at Bugcrowd you will be exposed t

A leading global e-commerce company is seeking an experienced Application Security Engineer to join their team in Greater London. The role involves conducting security reviews, designing secure architectures, and collaborating with development teams to enhance security practices. Join a diverse and

Trimble is seeking a highly experienced and passionate Senior Application Security Engineer to lead our Software Composition Analysis (SCA) and Static Application Security Testing (SAST) initiatives, with a primary focus on driving the strategic implementation and optimization of our SCA tool. This

A leading fintech company in the UK is looking for a Security Engineer to enhance their product's security posture. The role includes driving security improvements, performing vulnerability assessments, and collaborating with development teams. Ideal candidates will have expertise in programming, De

The Security Department oversees security, compliance, GRC, and security operations for all Agoda. Senior/Staff Application Security Engineer (Bangkok based, relocation provided). Conduct application security reviews and perform penetration testing, ensuring alignment with compliance standards.

If you’re an AppSec Engineer who’s been through hypergrowth and wants to build security in a fast-moving AI company, I want to speak with you. You’ll be working at the intersection of security + engineering, building tooling and secure by default patterns that help teams ship at speed includin

Technical experience across other Privacy or Security disciplines, such as Application Security or Privacy. Application Security Engineer, Privacy. Your primary responsibility will be to deal with privacy vulnerabilities by designing and guiding Software Engineers through remediations, learning from

The Application Security Engineer will play a key role within the Application Security team, providing hands‑on technical expertise, guidance, and enablement to development teams across Featurespace. Demonstrable experience in application security engineering, secure development, vulnerability man