8 of 8 Application Security Jobs in the City of London

Security Architect (API/Product Security) Retail Hybrid: 3 days onsite per week in London 6 months+ £750 - £800 per day In short: We require a strong, application-focused Security Architect with a keen background in development or at least the ability to assure a product … engineers on the product whilst also facing off to more senior stakeholders in the business. In full: You will be responsible for augmenting the Security Architecture team with speciality skills and help scale our security presence across the wider technology and infrastructure teams. • Provide engineering and product teams ...

working). Reporting the to the Head of IT, the successful candidate will play a key role protecting IT services and infrastructure from cyber security threats. Role Overview The purpose of a Cyber Security Manager role is to protect IT Services and infrastructure from cyber threats. The role … responsible for designing, implementing, and maintaining security measures to ensure the confidentiality, integrity, and availability of data and services. The role includes identifying vulnerabilities, monitoring for security breaches, and responding to incidents. They also work to educate employees on best practices for information security. Main Responsibilities Security ...

continues to expand its broader cybersecurity engineering capability across multiple international locations. This role is intentionally broad in scope, designed for strong software-oriented security engineers who may sit across offensive security, defensive engineering, infrastructure security, detection, tooling, or platform protection rather than one narrowly defined domain. … environment is highly engineering-led, with a strong preference for technically exceptional generalists who enjoy building, automating, and solving security problems through software and systems thinking. Successful candidates will typically come from a computer science or software engineering background before moving deeper into cybersecurity-focused engineering work. This ...

DevSecOps Engineer – Security Led Delivery, 6 months, London/Hybrid, £550 - £600/day We’re supporting a major media & entertainment organisation looking for a hands-on DevSecOps Engineer to drive application security and BAM (Business Application Measures) improvements across a large enterprise environment. This … delivery-focused role where you’ll take ownership of security remediation activities, CI/CD security integration, GitHub governance, and DevSecOps tooling improvements across multiple critical systems. They need someone technical who can actively drive security controls from “agreed” through to implementation. Key experience required: Strong DevSecOps ...

Retail Hybrid: either London or Welwyn Garden City (whichever is closest) 3 days per week 6 months £850 per day In short: Our Application Security team require a strong Python generalist to run, deploy and maintain purpose-built applications. You’ll need solid experience across Python development, DevOps … Cloud and an awareness of security protocols. About The Role We are committed to align with the digital advancements of the business and secure new technologies that enable our business to have a superior focus on serving our customers, communities, and planet. As part of our Security Engineering ...

basis. Role & Responsibilities: Lead the design and implementation of cloud solutions on AWS as the platform is onboarded, ensuring alignment with the organisation’s security, compliance, and architectural standards. Provide operational (BAU) support for AWS services and contribute to Azure support where required. Collaborate closely with application, security, and infrastructure teams to deliver secure, scalable, resilient cloud solutions for business applications and services. Drive improvements in platform stability, security, automation, and cost efficiency, working alongside other cloud team members to establish best practices and reusable patterns. Produce clear and robust architectural designs based on business ...

APIs and backend services. Write clean, efficient, and reusable code. Integrate applications with databases, third-party APIs, and cloud services. Debug, troubleshoot, and optimize application performance. Collaborate with cross-functional teams to define and implement new features. Participate in code reviews and follow software development best practices. Create … maintain technical documentation. Ensure application security, scalability, and reliability. Required Skills Strong proficiency in Python. Experience with Django, Flask, FastAPI, or similar frameworks. Strong knowledge of REST APIs and web services. Experience with SQL databases such as MySQL, PostgreSQL, or SQL Server. Familiarity with NoSQL databases such ...

date of this role is 24th May 2026. When applying, please keep your CV to a maximum of three pages. As part of the application, well also ask you to answer one short application question (up to 200 words). Responsibilities Own the technical delivery of the platform … ensuring the team consistently ships high-quality, production-ready increments. Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. Lead estimation, sprint planning, and decomposition of technical work; proactively identify and manage technical risk, dependencies, and blockers. Collaborate with ...