7 of 7 Contract Application Security Jobs in London

team. Working closely with the Cyber team as well as the digital team to ensure cybersecurity is embedded across all digital platforms. Key skills & Responsibility Lead the integration of security into the software development lifecycle (SDLC) using DevSecOps principles. Define and implement release strategies with a strong emphasis on application security. Identify and remediate security vulnerabilities through … and automated tooling. Collaborate with cross-functional teams to establish secure coding standards and quality benchmarks. Provide expert consultancy and guidance to engineering teams, enabling them to meet strategic security goals. Drive adoption of security best practices across CI/CD pipelines and cloud-native environments. Accountabilities Provide technical cyber leadership across all development teams, focusing on application security for our various digital platforms (web and mobile). Secure our CI/CD pipelines and provide improvement plans and requirements to those that use them, while overseeing the consistent adoption of secure practices across teams. Support the vulnerability management process, raising awareness and embedding secure development principles with development teams. Evaluate, implement, support and communicate new More ❯

WAF & Application Security SME Contract: 6 Months Day Rate: £650 (Inside IR35) Location: Fully Remote (UK-based) We’re seeking a skilled WAF & Application Security Specialist to join a key client engagement. This role focuses on enhancing Web Application Firewall (WAF) capabilities across multiple platforms, with a strong emphasis on efficacy testing, rule creation, and … tuning. Key Responsibilities: Design and implement custom WAF rules to address security gaps Conduct detailed log analysis to identify and mitigate false positives Support DevSecOps pipeline integration and automation of efficacy testing Advise on web/API attack vectors … and mitigation strategies Provide SME input on WAF PoCs, new features, and cost-effective solutions Maintain clear documentation of tuning procedures and configurations Experience Required: Strong background in SOC, AppSec, or Ethical Hacking Deep understanding of OWASP Top 10 and web security principles Hands-on experience with WAF platforms (e.g. Akamai, F5, AWS, GCP) Skilled in log analysis tools More ❯

Type: Contract (6 months) | Rate: Market| Start Date: ASAP About the Role Our client, a leading global organization, is looking for an experienced DevSecOps Pentester to join a leading security team in London. Youll perform penetration tests and security assessments across CI/CD pipelines, cloud environments, and applications, integrating automated security tools and practices into DevOps … is ideal for someone who can identify vulnerabilities in code, containers, APIs, and infrastructure-as-code before production, collaborate closely with DevOps and development teams, and help improve enterprise security posture. Key Responsibilities Integrate security tools and practices into CI/CD pipelines for continuous validation. Conduct manual and automated security testing on web apps, APIs, pipelines … and actionable remediation guidance. Validate remediation efforts and perform retesting cycles. Advise on secrets management, IAM, and secure deployment practices. Educate and collaborate with development and operations teams on security best practices. Required Skills & Experience Strong application security knowledge (OWASP Top 10, API security). Manual pentesting experience on modern web apps, APIs, and CI/ More ❯

Role: Android Security EngineerSalary/Rate: £500-630 per day Location: hybrid London, mainly remoteContract Duration: until December 2025 A unique opportunity has arisen for a skilled professional with a strong background in mobile application security to join a specialist team tackling complex technical challenges. The successful candidate will be responsible for conducting in-depth analysis of … Android applications, providing clear and actionable insights into potential security and privacy risks. You would be operating at the top tier, handling the most complex and technically demanding cases that require advanced expertise and critical thinking. The role is based mainly remotely, however candidates must be willing to work in central London as required. This will run until the … experience required: Demonstrable experience in analysing and deconstructing Android applications ( Java essential; native code experience advantageous) Proficiency in vulnerability identification and penetration testing techniques Strong understanding of Android OS security features and architecture Ability to work independently, with excellent attention to detail and analytical skills Comfortable navigating large, unfamiliar codebases Excellent communication skills and a collaborative approach to problem More ❯

Location : London (Hybrid, 23 days in office) | Rate : Market About the Role Our client, a leading global organization, is looking for a skilled Internal Pentester to join a leading security team in London. This contract role is perfect for someone experienced in penetration testing across networks, systems, web applications, APIs, and cloud environments, who can identify vulnerabilities, simulate attacks … and deliver actionable remediation advice. Youll work in a compliance-driven, high-security environment, collaborating with cross-functional teams to strengthen the organizations security posture. What Youll Do Conduct full-scope penetration tests on applications, APIs, internal infrastructure, networks, and cloud environments (AWS, Azure, GCP). Identify and exploit security flaws: insecure authentication, authorization bypass, input validation … issues, cloud misconfigurations, AD misuse, etc. Perform internal/external network testing, AD enumeration, privilege escalation. Automate security testing where possible, integrating IaC and ServiceNow workflows. Simulate real-world attacks using the same techniques and tools as malicious actors. Produce detailed, actionable reports with executive summaries and technical findings. Collaborate with development, cloud, and infrastructure teams on remediation. Keep More ❯

and scalable Android applications using Kotlin and/or Java. Collaborate with cross-functional teams including product owners, designers, and backend engineers to deliver high-quality mobile solutions. Ensure application performance, quality, and responsiveness across a wide range of Android devices. Contribute to architectural decisions and promote best practices in mobile development. Participate in Agile ceremonies and contribute to … understanding of the Android SDK. Experience integrating RESTful APIs and working with modern Android frameworks (e.g., Jetpack, Dagger/Hilt, Retrofit). Familiarity with secure coding practices and mobile application security standards. Strong version control experience (e.g., Git) and exposure to CI/CD pipelines. Excellent communication skills and the ability to work effectively in a collaborative, Agile More ❯

Backend Engineer (Azure Application) - (C# & Python) - Remote (UK or Europe) Day rate: £400 - £600 (inside IR35) Duration: 12 months Start: ASAP My client is looking for an experienced Azure Application Developer with strong expertise in C# and Python to join our engineering team. This role focuses on designing, building, and modernising applications for the cloud, with a strong … emphasis on security, automation, and integration with Azure services. Responsibilities Design, develop, and modernise applications using C# and Python with integration into Azure services. Implement secure coding practices to ensure compliance, performance, and reliability in cloud-based applications. Build and maintain CI/CD pipelines using GitHub Actions to streamline development and deployment workflows. Automate development and operational tasks … with PowerShell scripting. Collaborate with cross-functional teams in an agile environment, writing user stories, technical tasks, and acceptance criteria. Participate in application modernisation and cloud migration initiatives, ensuring seamless adoption of Azure-native capabilities. Support continuous improvement efforts by optimising application performance, scalability, and security. Required Skills Proficiency in C# and Python development for cloud and enterprise More ❯