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Staff Security Engineer

Poland, Warsaw B2B · Job Posted December 09, 2025
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Job Description

At hyperexponential, we’re building the AI-powered platform that enables the world’s most critical decisions in a $7 trillion industry, which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or communities recover after major storms. The Security function's mission is to safeguard the integrity, confidentiality, and availability of our customers’ data and hx Renew’s systems. As a Staff Security Engineer, you’ll play a pivotal role in building hx’s security function from the ground up. You’ll drive technical direction, design systems that are secure by design, and collaborate across engineering and product teams to embed security early in every decision.

Job Responsibility

  • Build hx's security programme from the ground up
  • Design and implement security controls across AWS cloud infrastructure, Kubernetes workloads, and our multi-product platform
  • Integrate security into engineering workflows by embedding automated security testing, vulnerability management, and threat detection into CI/CD pipelines
  • Lead or contribute to compliance initiatives (SOC2, ISO27001)
  • Build security automation and tooling by writing code and scripts
  • Partner with Engineering Managers, Principal Engineers, and Product Managers to embed security thinking early in design and architecture decisions

Requirements

  • Built or significantly contributed to security programmes from the ground up
  • Designed and implemented security architecture for cloud-based distributed systems (AWS or equivalent)
  • Driven technical security improvements by writing code, building tools, and implementing controls
  • Integrated security into development workflows through DevSecOps practices
  • Led or supported compliance initiatives (SOC2, ISO27001, GDPR, or similar)
  • Evaluated security implications of AI/ML systems

What we offer

  • Share Options
  • 25 days of non-working + 14 Polish bank holidays (B2B) / 26 days of holiday + 14 Polish bank holidays (UoP)
  • £5,000 budget for Learning & Development
  • Mental Health Support and Therapy via Spectrum Life
  • Optional access to Healthcare package provided by Luxmed + Multisport (B2B)
  • Top-spec laptop (MacOS or Windows)
  • Company pension (UoP)
  • 10 days company sick pay at 100% salary (UoP)
  • Monthly wellbeing allowance via Juno (UoP)
  • Healthcare package provided by Luxmed (UoP)
  • Multisport card at Classic level (UoP)
  • Top-spec work equipment (UoP)

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