Software Security EngineerSalary:
Up to £150,000 + Benefits
Location:
London (Hybrid – 3 days per week in the office)
We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data‑driven products. This is an exciting opportunity to join a highly collaborative, engineering‑led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Security Engineer will play a pivotal role in shaping the organisation’s security posture, working closely with software engineers, platform teams and technical leadership to embed security throughout the software development lifecycle.
This is not a traditional SOC or operational security position. Instead, the Security Engineer will focus on securing applications, cloud infrastructure and development practices, helping the business build secure products at scale whilst influencing security strategy across the wider organisation.
The OpportunityAs the Staff Security Engineer, you’ll work at the intersection of software engineering, cloud infrastructure and cyber security, helping to build and maintain a secure‑by‑design culture across the business.
Key responsibilities include:
Driving application and product security initiatives across multiple engineering teams
Conducting security reviews, threat modelling and risk assessments
Implementing and improving vulnerability management processes
Embedding security tooling into CI/CD pipelines and development workflows
Partnering with developers to promote secure coding practices
Reviewing cloud infrastructure and architecture from a security perspective
Supporting incident response and remediation activities when required
Defining and promoting security standards, policies and best practices
Influencing technical decision‑making across engineering and leadership teams
This role offers the opportunity to make a genuine impact within a growing technology organisation where security is a strategic priority rather than an afterthought.
What’s in it for you?
Salary up to £150,000
Hybrid working model
Opportunity to work on cutting‑edge AI and technology products
High level of autonomy and influence
Collaborative engineering culture
Career progression opportunities as the business continues to scale
Ongoing learning and professional development
Pension scheme
Generous holiday allowance
Skills and Experience
Commercial experience as a Security Engineer, Application Security Engineer, Product Security Engineer or DevSecOps Engineer
Strong understanding of application security principles and secure software development practices
Experience working closely with software engineering teams
Hands‑on experience securing cloud environments (AWS, GCP or Azure)
Experience with vulnerability management, threat modelling and security reviews
Knowledge of CI/CD security and modern development practices
Excellent stakeholder management and communication skills
EligibilityPlease note that candidates must have full, unrestricted right to work in the UK. Unfortunately, sponsorship is not available for this position.
If you would like to be considered for the role and feel you would be an ideal fit, please submit your CV by clicking the Apply button below.
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