151 to 175 of 184 Application Security Jobs in the UK

/CD pipelines. Collaborate with cross-functional teams to deliver cohesive, end-to-end solutions. Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP). Knowledgeable in application security, including OAuth2 and JWT authentication. Interested in leveraging AI and automation to improve back-end processes. Interested? Please submit your updated CV to at Crimson for immediate More ❯

Primary Details Time Type: Full time Worker Type: Employee Cyber Security Consultant Permanent London/Hybrid At QBE, our purpose is to enable a more resilient future. We are an international insurer and reinsurer with a local presence in 27 countries. The opportunity We're hiring a Cyber Security Consultant on a permanent, full-time basis based in … London, where you’ll help shape how cyber and information security risks are understood and managed across our business. This is your chance to be part of a global team that’s always one step ahead - keeping QBE safe, secure, and resilient in a fast-moving digital world. Your new role: This is a hands-on, collaborative role where … under pressure while maintaining a healthy work-life balance. Focus on outcomes and follow through on problem-solving from start to finish. Bonus points if you bring: Experience with AppSec and DevSecOps. Hands-on knowledge of Azure, AWS, and/or Google Cloud. Familiarity with standards like ISO2700X, ISO31000, NIST800, PCI-DSS. Certifications such as CISSP, CCSP, CRISC, CISM, or More ❯

opportunity to be a foundational hire, shaping the future of a product designed to protect hundreds of millions of users. We are building two core products: the Telco-Verified Security Shield (our primary, pre-call fraud detection) and the Personal Welcome Manager (our premium, AI-powered call screening experience). As the Senior Android Engineer for the Welcome Manager … an expert in designing for our < 1000ms V2V (voice-to-voice) latency budget, ensuring the entire UX flow feels fast and responsive. ? API & Backend Integration: Partner with our backend (Application & AI Orchestration) engineers to define and integrate the client-side APIs and data models required to power the Welcome Manager's features, from live transcription to post-call entity … extracted summaries. ? MWC Demo Ownership: Be directly responsible for the polish, stability, and performance of the Welcome Manager application for its critical debut at MWC 2026. ? Cross-Functional Partnership: Collaborate closely with the other Senior Android Engineer (who owns the native CallScreeningService and Security Shield overlay) to ensure a seamless and unified user experience between our two core More ❯

Foster a culture of observability , helping teams use operational data to improve system stability and performance. Maintain accurate documentation and release notes . Ensure all solutions are developed with application security considerations in mind. Lead incident response activities within the team as required. Identify and manage dependencies across the organisation, proactively resolving issues before they arise. Handle risk … effectively in a fast-paced environment. Work independently or collaboratively on a variety of projects. Create secure, high-performing n-tier applications , leveraging best practices in database and web application design. Contribute to the continuous improvement of development processes and methodologies . Design and develop commercial/enterprise web applications that are scalable and reliable. Ensure application performance … Agile methodologies . Proven experience leading software deliverables and guiding development teams. Background in developing and maintaining interconnected software solutions . Strong experience in C#, ASP.NET, MVC , and web application development . Knowledge of modern front-end frameworks such as React JS . Excellent skills in SQL Server , including database design and optimization. Ability to select and use the More ❯

projects. What you'll do: Embed security across the SDLC, promoting secure coding (OWASP) Automate security in CI/CD workflows (SAST, DAST, IAST, SCA, IaC) Perform appsec testing, code reviews, and vulnerability remediation Drive secure DevOps culture through training, playbooks, and developer champions Strengthen cloud & container security (AWS, Azure, GCP, Kubernetes, Docker) What you'll bring … years' experience in AppSec/DevSecOps Hands-on with tools like Checkmarx, Veracode, SonarQube, OWASP ZAP Strong coding skills (Java, Python, JavaScript, Go, .NET) Familiar with CI/CD (Jenkins, GitHub Actions, Azure DevOps) and IaC (Terraform) Knowledge of OWASP Top 10, API security, and compliance (ISO 27001, SOC 2) Eligibility for SC clearance is mandatory (UK nationals only More ❯

best practice coding in relation to development coding standards Use operational data to improve the stability and performance of the applications Maintain documentation and release notes Have awareness of application security considerations Identify dependencies across the organization and work with teams to resolve them before they become an issue, and install preventative measures to mitigate repeat occurrences Effectively … the development of database applications using SQL Contribute to improve the overall processes and methodologies followed by the wider team Design and develop commercial/enterprise web applications Ensure application performance, quality, and responsiveness Work with all teams to recommend solutions that are in accordance with accepted testing frameworks Experience and Skills Required: Experience with Scrum/Agile methodologies … and working in that environment Developing and maintaining multiple connected software solutions Web applications experience using C#, ASP.NET, MVC Modern web application development architectures and frameworks such as React JS Excellent skills in SQL Server Ability to select and use the most appropriate tools, technologies, and languages for the job Team-oriented, with a willingness to work as part More ❯

a culture of observability across the team. Help teams use operational data to improve the stability and performance of their applications Maintain documentation and release notes Have awareness of application security considerations Lead incident response across the team as needed Identify dependencies across the organization and work with teams to resolve them before they become an issue, and … the development of database applications using SQL Contribute to improve the overall processes and methodologies followed by the wider team Design and develop commercial/enterprise web applications Ensure application performance, quality, and responsiveness Work with all teams to recommend solutions that are in accordance with accepted testing frameworks Experience and Skills Required: Experience with Scrum/Agile methodologies … and working in that environment Leading software deliverables Developing and maintaining multiple connected software solutions Web applications experience using C#, ASP.NET, MVC Modern web application development architectures and frameworks such as React JS Excellent skills in SQL Server Ability to select and use the most appropriate tools, technologies, and languages for the job Team-oriented, with a willingness to More ❯

fixed term contract. Secondments Applicants from within the NHS will be offered on a secondment basis only, agreement should be obtained from their employer prior to submitting the application. Security Clearance To meet National Security Vetting requirements, SC clearances require 5 years continuous UK residency. In certain cases, this can be reduced to three years continuous UK residency … Forces or within a UK government role - will still be considered. Please make sure you meet these requirements before applying for this role. You don't need to have security clearance level already, however, failure to achieve the requirements for security clearance level after offer, will result in the job offer being withdrawn. For further advice please checkhttps …//www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels#security-check-sc. For further information on National Security Vetting please check National security vetting: clearance levels - GOV.UK, information on the Security Vetting and Clearances Intranet page or contactengland.securityvetting@nhs.net. Person Specification Knowledge & Experience Essential A More ❯

make your mark. In this role, we value diverse perspectives and encourage you to apply even if you don't meet every qualification listed. Your Impact Design and implement application architecture that is scalable, maintainable, observable, and high-performing. Write clean, efficient, and well-documented Ruby/JavaScript (or other backend language) code. Conduct code reviews, review architecture, and … contribute to engineering best practices. Identify and optimise performance bottlenecks across systems. Collaborate closely with cross-functional teams to deliver impactful features. Ensure application security, implementing safeguards against vulnerabilities. What You'll Bring Proven experience delivering large-scale systems in production. Strong grounding in Domain-Driven Design, API-first architecture, and software design patterns. Proficiency in JavaScript (React … an Equal Opportunity Employer. We're dedicated to hiring diverse talent - which includes individuals with different backgrounds, abilities, identities and experiences. If you require any reasonable adjustments throughout your application process, please speak to your Talent Partner or contact the team on , and we'll do all we can to support you. More ❯

fixed term contract. Secondments Applicants from within the NHS will be offered on a secondment basis only, agreement should be obtained from their employer prior to submitting the application. Security Clearance To meet National Security Vetting requirements, SC clearances require 5 years continuous UK residency. In certain cases, this can be reduced to three years continuous UK residency … Armed Forces or within a UK government role - will still be considered. Please make sure you meet these requirements before applying for this role. You dont need to have security clearance level already, however, failure to achieve the requirements for security clearance level after offer, will result in the job offer being withdrawn. For further advice please checkhttps …//www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels#security-check-sc. For further information on National Security Vetting please check National security vetting: clearance levels - GOV.UK, information on the Security Vetting and Clearances Intranet page or contactengland.securityvetting@nhs.net. Person Specification Knowledge & Skills Essential Service More ❯

Experience building and consuming REST APIs. Good understanding of relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB). Familiarity with version control systems (e.g., Git). Understanding of application security best practices and performance optimization. About Us: Ascendion is a global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and More ❯

Experience building and consuming REST APIs. Good understanding of relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB). Familiarity with version control systems (e.g., Git). Understanding of application security best practices and performance optimization. About Us: Ascendion is a global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and More ❯

apps using the Microsoft Power Platform. Responsibilities: Design and develop Canvas & Model-driven apps. Automate workflows using Power Automate. Integrate data from SharePoint, Dataverse, SQL, and APIs. Ensure app security, performance, and responsive UI. Collaborate with teams to translate business needs into solutions. Key Skills: Power Apps, Power Automate, Power BI (basic), Dataverse, SharePoint, SQL, PowerFx, REST APIs, JSON More ❯

with Flutter Type: Contract (6 Months) Location: UK (Fully Remote) MUST HAVES: Proficient in Flutter/React Native/MAUI , Mobile App Payment Services , strong API consumption, and App security best practices. Work in an agile team on high-impact national services. Immediate start! This is an urgent vacancy with a deadline where the hiring manager is shortlisting for More ❯

with Flutter Type: Contract (6 Months) Location: UK (Fully Remote) MUST HAVES: Proficient in Flutter/React Native/MAUI , Mobile App Payment Services , strong API consumption, and App security best practices. Work in an agile team on high-impact national services. Immediate start! This is an urgent vacancy with a deadline where the hiring manager is shortlisting for More ❯

with Flutter Type: Contract (6 Months) Location: UK (Fully Remote) MUST HAVES: Proficient in Flutter/React Native/MAUI , Mobile App Payment Services , strong API consumption, and App security best practices click apply for full job details More ❯

in PHP 7.4 or higher. Experience in/understanding of object-oriented design & patterns. Experience in creating database driven applications. Experience in version control systems. Good understanding of web application security. Good understanding of testing. Passion of open-source technology. More ❯

Embedded Systems) Chinese/English bilingual Location: Edinburgh, Scotland (Office-Based) Experience Level: Entry to Mid-Level (1-3 years)Are you ready to shape the future of mobile security? Or innovative, award winning tech client is looking for a Software Engineer with a passion for embedded systems and mobile security.This is an exciting opportunity to work on cutting … edge technology, researching how mobile apps interact with operating systems to enhance security solutions. If you're fluent in Chinese and English and love tackling complex security challenges, this role is for you! What You'll Be Doing: Security-Driven Development - Enhance and extend mobile app security solutions using system-level insights. Mobile OS Research - Dive … into Android, iOS, and HarmonyOS Next to analyse system behaviours. Reverse Engineering & Security Testing - Utilise white hat techniques, including penetration testing and reverse engineering, to identify and address threats. Collaboration & Innovation - Work closely with the team in an office-based setting, contributing to design reviews and security improvements. What You Bring: Bilingual Skills: Fluent in Chinese & English (to More ❯

Embedded Systems) Chinese/English bilingual Location: Edinburgh, Scotland (Office-Based) Experience Level: Entry to Mid-Level (1-3 years) Are you ready to shape the future of mobile security? Or innovative, award winning tech client is looking for a Software Engineer with a passion for embedded systems and mobile security. This is an exciting opportunity to work on … cutting-edge technology, researching how mobile apps interact with operating systems to enhance security solutions. If you're fluent in Chinese and English and love tackling complex security challenges, this role is for you! What You'll Be Doing: Security-Driven Development - Enhance and extend mobile app security solutions using system-level insights. Mobile OS Research … Dive into Android, iOS, and HarmonyOS Next to analyse system behaviours. Reverse Engineering & Security Testing - Utilise white hat techniques, including penetration testing and reverse engineering, to identify and address threats. Collaboration & Innovation - Work closely with the team in an office-based setting, contributing to design reviews and security improvements. What You Bring: Bilingual Skills: Fluent in Chinese & English More ❯

It's about building cutting-edge solutions that set new industry standards. You'll lead the way in CloudSec, AppSec, and DevSecOps, shaping core security functions that push boundaries and embrace the future. This tech-driven innovator is changing the game. By integrating AI and VR into data visualisation, they've created a groundbreaking platform that's mobile, adaptable … and works seamlessly across multiple realities. Their rapid growth and expanding enterprise client base prove their vision is working. And they're just getting started. This role heads up security for the entire company. You'll be at the forefront of strategy, execution, and team leadership, owning and enhancing security operations, risk management, and incident response. You'll … create airtight security policies and frameworks to future-proof the organisation while leading and mentoring a team of talented security engineers to deliver exceptional results. Your leadership will help shape a high-performing, motivated, and engaged security function. You'll be someone with proven experience leading security functions in dynamic, fast-paced environments and bring expertise More ❯

on Cyber Vulnerability Analyst into their Global Threat & Vulnerability function. You’ll run scanning across cloud, networks and apps, turn findings into risk-based actions, and partner with SOC, AppSec, Networks and Cloud to land fixes fast. If you enjoy closing the loop—from discovery to remediation—and automating the boring bits, you’ll love this. Responsibilities The Vulnerability Management … findings using risk-based prioritization methodology, and provide actionable recommendations for remediation. Evaluate and manage vulnerabilities, including prioritization, investigation, and tracking remediation activities. Evaluate new tools and techniques in security testing and articulate their value and impact. Operate vulnerability and configuration scanning tools, like Tenable, Qualys, InsightVM. Perform technical and non-technical risk and vulnerability assessments of relevant technology … information to communicate remediation priorities. Support incident response in investigations and response at all stages. Assist and work closely with our offensive security team, SOC team, Network Team, AppSec team. Experienced in working attack surface management area. Generate and distribute operational-level reports and key vulnerability reporting metrics along with KPIs, KRIs and monthly/weekly reporting. Maintain communication More ❯

7+ years in a DevOps pre-sales engineering role Cloud infrastructure fluency (AWS, Azure or GCP) Hands-on experience with Docker, Kubernetes, CI/CD, Git, build tools Solid AppSec experience with SCA, SAST, SBOM, Container Security Proven track record helping to build enterprise relationships from tech champions to C-level in a clear client-facing pre-sales role More ❯

Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes What happens now? Upon submission of your application, should it meet our selection criteria, you will be contacted via e-mail by one of our talent acquisition specialists to arrange a screening call. This telephone chat is … of questions aimed at matching your competencies and capabilities to the specific demands of the position. Please note, this screening is contingent upon the initial success of your application. Security Clearance : British Citizen or a Dual UK national with British citizenship Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a … minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by our clients Security Team. More about the role: For more than 70 years, our client has been in a strong partnership with the UK military. They have accomplished numerous milestones in defence engineering and have More ❯

you'll manage and optimise the environments our sites run on, working with solutions from Linux servers and LAMP stacks to Docker containers and cloud services such as AWS. Security, performance, and scalability will be part of your everyday thinking, as you configure servers, set up hosting platforms, and maintain smooth deployment pipelines. You'll also work with databases … APIs, build systems and CI workflows to keep projects running efficiently, applying best practices in technical SEO, accessibility, and application security. This is a hands-on role that combines creative front-end work with behind-the-scenes technical expertise, perfect for someone who enjoys variety and solving problems across the full digital stack. Key responsibilities Develop responsive, interactive websites … with modern web technologies Maintain and optimise servers, hosting platforms, and cloud services Translate prototypes and design systems into functional, polished products Apply best practices in security, performance, SEO, and accessibility What we're looking for Strong front-end skills (HTML/CSS/JS/TS, React/Preact) plus PHP/Node.js Experience with WordPress and modern More ❯

region. The ideal candidate will operate in a high-growth environment at scale, thrive in driving innovation, have a solid background in cybersecurity sales, and a deep understanding of security solutions. They will have a proven track record of developing strong customer relationships and executing strategies that support rapid expansion and success. This role requires a strategic thinker who … key customer accounts and delivering value to Enterprise or Major-level accounts in the cybersecurity industry Extensive platform selling experience in complex sales with multiple buying centers Experience selling Appsec or CNAPP (DevSecOps, CloudOps) solutions is highly preferred. Experience selling GenAI products preferred Established trusted relationships with CIOs and CISOs with the ability to influence and drive strategic conversations Expertise More ❯