1 to 25 of 263 Application Security Jobs in London

Senior Application Security Engineer / DevSecOps Engineer

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Salary
£ 80 K
Reference: SBM/AR/070570Job Type: Full-time, PermanentSalary: 80,000Location: LondonSector: ITPosted: 2026-08-25Do you have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC? If so, this could … well-established health research organisation and charity supporting large-scale medical research. You will work closely with engineering, architecture and cloud teams to integrate security throughout the software development lifecycle.Microsoft Azure and KQL experience are essential, alongside relevant experience in CI/CD, Kubernetes, API security, security ...

Senior Application Security Engineer / DevSecOps Engineer

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC If so, this could be an opportunity worth considering. Join a well-established health research organisation and charity supporting large-scale medical research. You will … work closely with engineering, architecture and cloud teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential, alongside relevant experience in CI/CD, Kubernetes, API security, security-as-code and security automation. This is a hands-on application ...

Senior Application Security Specialist

Hiring Organisation
Secure Source
Location
London Area, United Kingdom
Application Security Specialist exists to embed application security expertise across Europe’s products and services, supporting the Secure Development Practice and enabling a consistent ‘shift-left’ approach. The role is accountable for advancing application security capability, leading security reviews on higher-risk systems … ensuring secure development practices are adopted across engineering teams. The post holder will act as a technical authority on application security, helping reduce vulnerability risk and improve security outcomes across both internal IT systems and customer-facing solutions. Strong knowledge of application security principles ...

Senior Application Security Engineer - DevSecOps & Cloud Security

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Salary
£ 70 K
/AR/070467Job Type: Full-time, PermanentSalary: 70,000 - 80,000Location: LondonSector: ITPosted: 2026-07-02An opportunity has arisen for a Senior Application Security Engineer to join a well-established health research organisation and charity that supports large-scale medical research to improve disease prevention, diagnosis … treatment.As a Senior Application Security Engineer, you will play a key part in integrating security throughout the software development lifecycle, working alongside engineering and cloud teams to build, improve and maintain secure applications, platforms and deployment processes.This is not a traditional vulnerability management role ...

Application Security Consultant

Hiring Organisation
Ricoh
Location
London, United Kingdom
Salary
£ 80 K
your voice is heard, your development is supported, and your work feels meaningful, you will feel at home at Ricoh.We're looking for an Application Security Consultant to join our Cyber, Risk & Security team and play a key role in strengthening application security across Ricoh … opportunity to work at the intersection of software engineering, cybersecurity and risk, helping our teams adopt a genuine shift-left approach and making security part of the development lifecycle from design through to deployment.You'll work across both our internal IT environment and customer-facing products and services, helping ...

Senior Application Security Engineer

Hiring Organisation
TripleLift
Location
London, United Kingdom
Salary
£ 70 K
certified, qualify for diverse spending goals and are committed to economic inclusion. Find out how TripleLift raises up the programmatic ecosystem at triplelift.com.OverviewThe Senior Application Security Engineer plays a critical role in driving secure software development and application security maturity within TripleLift's Engineering and Security … platforms and the trust our publishers and advertisers place in us. In this position, you will partner closely with Engineering, Platform, Cloud Infrastructure, and Security teams to shape secure coding practices, application security tooling, vulnerability remediation, and CI/CD security, ensuring security is embedded ...

Application Security Engineer

Location
Greater London, England, United Kingdom
bring great ideas to life in ways that aren’t possible in traditional IT environments. With AWS you can flexibly harness compute, storage, security, and other services from across the globe as your business demands them. AWS Security is at the forefront of many security issues … hardware, all operating at massive scale. Similarly, our highly collaborative team is committed to each team member’s growth as our business grows. AWS Security is looking for an Application Security Engineer to help validate that our services, applications, and websites are designed and implemented ...

Application Security Engineer

Hiring Organisation
Amazon
Location
London, United Kingdom
Salary
£ 80 K
bring great ideas to life in ways that aren’t possible in traditional IT environments. With AWS you can flexibly harness compute, storage, security, and other services from across the globe as your business demands them.AWS Security is at the forefront of many security issues … custom hardware, all operating at massive scale. Similarly, our highly collaborative team is committed to each team member’s growth as our business grows.AWS Security is looking for an Application Security Engineer to help validate that our services, applications, and websites are designed and implemented ...

Principal Security Engineer, SDO AppSec EMEA

Hiring Organisation
Amazon
Location
London, United Kingdom
Salary
£ 80 K
Principal Security Engineer in the Appstar organization, you lead application security reviews across complex systems, identify and advise on critical security risks, and mentor the broader security engineering team. You own security outcomes that reduce persistent risks and proactively shape organization-level security posture.You are responsible for establishing and maintaining the enterprise-wide application security review methodology — including threat modelling philosophy, security testing standards, and remediation validation. You design security patterns and standards that serve as the foundation for secure development across all engineering organizations, with a focus ...

Senior Application Security Engineer

Hiring Organisation
Fortinet
Location
London, United Kingdom
Salary
£ 80 K
Senior Application Security EngineerFortinet is looking for a Sr. Application Security Engineer to join the Corporate Information Security team. 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.Key Responsibilities:Serve as an application security subject matter expert who provides guidance to internal teamsWork closely with development teams, perform code reviews, penetration tests, and architectural reviews on existing codes and new features.Develop, implement, and communicate vulnerability mitigation strategies to development teamsHandle externally reported vulnerabilities ...

Application Security Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
Application Security Engineer Location: London (fully onsite) DGH Recruitment are currently recruiting on behalf of a leading global client in the financial services industry who are looking for an Application Security Engineer to join the team on a permanent basis. They are looking for an individual … developers, thrives within a purple team space and has a passion for automation. The role will work alongside engineering and IT teams to enhance application security, API's and infrastructure by implementing preventative controls and identifying risks through testing. Responsibilities: - Act as a security champion to foster ...

Senior Cyber Security Engineer

Hiring Organisation
The Financial Times
Location
London, United Kingdom
Salary
£ 80 K
across the wider organisation. Depending on team structure, this may include line management.AI security awareness: experience of leveraging AI to improve and scale appsec and cloud sec controls would be useful, but is not essential.Key ResponsibilitiesImprove application security guardrails Tune and evolve SAST, software composition analysis, secret … , cloud security or vulnerability management practices in a real engineering environment.Familiarity with Agile or Scrum ways of working.DesirableExperience with leveraging AI for AppSec and CloudSec.AWS Certified Security – Speciality or equivalent practical AWS security experience.Terraform or CloudFormation expertise.Incident-management or incident-response experience.Experience with Splunk or similar ...

Senior Application Security Engineer

Hiring Organisation
Tec Partners Recruitment Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £575/day
Title: Senior Application Security Engineer Location: London, UK Rate: £575 per day, Inside IR35 (dependent on experience) Duration: 6 months Tec Partners are working with a leading technology client, who are currently looking for an experienced Senior Application Security Engineer to work on a customer assignment … providing subject matter expertise across code review, penetration testing, and secure development lifecycle initiatives. As a Senior Application Security Engineer, you will combine hands-on technical delivery with cross-team guidance, serving as the go-to expert on application security for internal development teams. Key Responsibilities ...

Head of Security Engineering

Hiring Organisation
Searchability (UK) Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Head of Security Engineering (Product Security) Salary: £100,000 - £110,000 + Excellent Benefits Location: UK (Remote-first with occasional travel to London) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company where security isn't simply something … Infrastructure organisations worldwide, the business develops market-leading technology that protects organisations from file-based cyber threats. We're looking for an engineering-first security leader who still enjoys getting into the technical detail. This isn't a governance, compliance or traditional security management position. Instead ...

Head of Security Engineering

Hiring Organisation
Searchability
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £110,000 per annum
Head of Security Engineering (Product Security) Salary: £100,000 - £110,000 + Excellent Benefits Location: UK (Remote-first with occasional travel to London) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company where security isn't simply something … Infrastructure organisations worldwide, the business develops market-leading technology that protects organisations from file-based cyber threats. We're looking for an engineering-first security leader who still enjoys getting into the technical detail. This isn't a governance, compliance or traditional security management position. Instead ...

Application Security Engineer (Cyber)

Hiring Organisation
Source Group International
Location
London, United Kingdom
Salary
£ 80 K
Reference: 58029 Application Security Engineer (Cyber) - Financial Services Contract - Inside I35 London - Hybrid Who we’re looking for Our clients Cyber Security team is looking for a Cybersecurity engineer with expertise in Application Security domain, who will be responsible to define consistent Secure Software Development … application development experience and team leadership skills to join a growing Information Security team and assist with the operation of the AppSec function. About Us Our client is a global investment manager. They help institutions, intermediaries and individuals around the world invest money to meet their goals, fulfil ...

Senior Application Security Engineer

Hiring Organisation
TripAdvisor
Location
London, United Kingdom
Salary
Confidential
Tripadvisor, Inc. (Nasdaq: TRIP), include a portfolio of travel brands and businesses, including Tripadvisor, Viator, and TheFork.We are looking for an experienced Senior Application Security Engineer to join our growing team at Tripadvisor Experiences. In this role, you will take a lead position in securing the applications that … power our platform. As a Senior Engineer, you will design and implement advanced security measures, mentor junior engineers, and play a key role in ensuring the security of our products and infrastructure. This is a fantastic opportunity to influence our security practices and help shape the future ...

Senior Application Security Manager

Location
Greater London, England, United Kingdom
working with and reporting to You’ll report to our VP of Fraud & Security and lead a small AppSec team with dotted lines to other security members. Your primary customers are the company's engineering squads, and your closest partners are DevSecOps, who feed you signal and automation … first and why. Establish clear, company-wide reporting on our vulnerability posture, giving leadership the data-driven visibility they need. Set and deliver an AppSec roadmap, bringing delivery expectations and accountability to a team that hasn't had them. Partner with engineering squads as customers rather than gatekeeping them, embedding ...

Senior Application Security Manager

Hiring Organisation
Pleo
Location
London, United Kingdom
Salary
£ 100 K
working with and reporting toYou'll report to our VP of Fraud & Security and lead a small AppSec team with dotted lines to other security members. Your primary customers are Pleo's engineering squads, and your closest partners are DevSecOps, who feed you signal and automation, alongside SecOps … first and why.Establish clear, company-wide reporting on our vulnerability posture, giving leadership the data-driven visibility they need.Set and deliver an AppSec roadmap, bringing delivery expectations and accountability to a team that hasn't had them.Partner with engineering squads as customers rather than gatekeeping them, embedding proactive security ...

Senior Application Security Engineer

Location
Greater London, England, United Kingdom
Tripadvisor, Inc. (Nasdaq: TRIP), include a portfolio of travel brands and businesses, including Tripadvisor, Viator, and TheFork. We are looking for an experienced Senior Application Security Engineer to join our growing team at Tripadvisor Experiences. In this role, you will take a lead position in securing the applications … that power our platform. As a Senior Engineer, you will design and implement advanced security measures, mentor junior engineers, and play a key role in ensuring the security of our products and infrastructure. This is a fantastic opportunity to influence our security practices and help shape ...

Application Security Engineer

Hiring Organisation
The Financial Times
Location
London, United Kingdom
Salary
£ 80 K
committed to removing barriers for everyone, with a focus on addressing those faced by underrepresented groups.The Role OverviewWe’re looking for a Cyber Security Engineer to help improve application security across the FT’s cloud-native technology estate. This is a hands-on role focused on making … specialist, but some exposure to AWS, cloud security or infrastructure-as-code security would be useful.We’re looking for someone with practical AppSec experience who wants to grow their impact - someone who enjoys working with engineers, improving tooling and helping security become part of normal delivery rather ...

Security Engineer, SDO AppSec

Hiring Organisation
Amazon
Location
London, United Kingdom
Salary
£ 80 K
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 products and services. We offer talented security professionals the chance to accelerate their careers with opportunities … faster, better, and more cost-effective. However, no matter what we’re building – from websites to web services, AR to AI, drones to devices – security is always our top priority. The Amazon Application Security team focuses on working with our builders to provide experiences that our customers ...

Senior Manager – Application Security

Hiring Organisation
Miro
Location
London, United Kingdom
Salary
£ 100 K
About the TeamThe Senior Manager of Application Security leads a global team responsible for embedding security into Miro’s Software Development Lifecycle (SDLC)—from concept to code to customer impact. This team partners closely with product and engineering to proactively mitigate risk while accelerating developer velocity … default development through secure design support, automated tooling, vulnerability management, offensive testing, and developer engagement. It also plays a critical role in integrating security into Miro’s Discover, Define, Deliver product lifecycle and aligning with our AMPED Ways of Working (Analytics, Marketing, Product, Engineering, Design) and AMPED Operating Model. ...

Security Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £90,000 per annum
Security/Python/DevSecOps/Azure/Security Engineer Role: Senior Application Security Engineer Remote UK | 1 day per week in London Salary: Up to £85,000 We’re looking for a Senior Application Security Engineer to join our security team … help embed security across the software development lifecycle. This is a hands-on role working closely with engineering, cloud and architecture teams to drive a shift-left, DevSecOps approach and build secure applications and platforms. The role Embed security into the SDLC and CI/CD pipelines, including ...

Director, ProdSecOps

Location
Greater London, England, United Kingdom
Learn more at the company.com. Role Overview This is a transformational role. The Director is expected to lead the organization from fragmented, task-based security handling into a mature, agile program — modernizing how security is embedded across engineering, redefining operational efficiency, and setting how the cybersecurity function operates … perceived across the business. This role leads the combined Product Security and Security Operations function at Genius Sports. It is a program leadership role responsible for embedding security into how products are designed, built, and shipped — and for owning the full threat detection and incident response pipeline ...