Security Engineer

StackOne is seeking a Security Engineer to join its Engineering team and own the company's cloud and product security posture as it scales. The role will involve owning the secure SDLC, hardening AWS and Cloudflare estate, running pen testing efforts, and threat-modeling product features.

Requirements

• 3+ years in security engineering with hands-on AWS security: IAM, KMS, networking, secrets, GuardDuty / Security Hub.
• Strong coding ability in TypeScript or Python or Go comfortable shipping production code, not just configs and scripts.
• Application security fluency: OWASP Top 10, threat modeling, and code-level reviews on real systems.
• Experience securing a B2B SaaS multi-tenant production environment.
• Clear communication with engineers, product, and non-technical stakeholders.

Benefits

• Meaningful share options (EMI) - share in the company’s success as we grow
• 25 days holiday + 1 additional day per year of tenure
• Private health insurance - including dental & optical
• £15/day lunch budget when working from our London office, up to £120/month
• £1,000 for your home office set up + £500/year top-up
• Annual team offsite to sunny spots
• Health, fitness and gift card discounts
• Cycle2Work and Electric Cars scheme