Security engineer, application security (UK)
Writer · London, UK
CHECKED 23H AGO
Applied AIremotemid
At a glance
Highlights
- Secure the AI platform powering brands like Mars, Uber, and Marriott.
- Define how enterprise AI apps and LLM systems are secured at scale.
- Build automated controls to protect data pipelines and AI agents.
What they offer
- Generous PTO plus company holidays
- Comprehensive medical and dental insurance
- Paid parental leave for all parents (16 weeks)
- Fertility and family planning support
- Early-detection cancer testing through Galleri
- Competitive pension scheme and company contribution
- Wellness and learning and development stipends
- Company-wide and team off-sites
- Company stock options
Ideal candidate
Builder-minded application security engineer who partners with product teams to enable speed securely and is excited to define security for LLM-powered enterprise systems.
Requirements
- 4+ years in application security engineering securing large-scale production systems
- Understanding of developer experience and workflows for shipping features
- Expertise in at least two of Python, Java, Go, JavaScript/TypeScript and code review
- Knowledge of SAST/DAST, vulnerability management and DevSecOps practices
- Excellent communication skills for technical and non-technical audiences
- Builder's mindset focused on automation and enablement
Lab profile
About Writer
Enterprise generative AI platform for compliant content creation and business workflows
What they build
- Writer enterprise AI platform
- Palmyra enterprise LLMs
- Agent Builder for AI agents
Known for
- Enterprise-grade security and compliance
- Custom brand voice and guardrails
- Full-stack platform with own LLMs
Key facts
- Founded in 2020
- Headquartered in San Francisco, CA
- Series C unicorn valued at $1.9B