Platform Security Engineer
ComplexioUnited Kingdom
Posted March 6, 2026
Full Time
About the Company
Complexio is the intelligence layer for enterprise AI, building a connected understanding of how businesses operate across people, processes, and systems.
Job Description
Complexio is seeking a Platform Security Engineer to join their Product Security domain, responsible for designing, building, and shipping production-grade security and privacy controls for a large, graph-based data store.
Requirements
- Strong proficiency in Python
- Deep understanding of authentication and authorization concepts
- Experience designing and securing non-trivial data systems
- Ability to reason about risk, trade-offs, and real-world constraints
- A track record of shipping real security improvements
- Experience with graph databases, ideally Neo4j or similar
- Experience with CI/CD and supply-chain security (SAST, SCA, container scanning, pipeline hardening)
- Experience with Go or Rust
- Some familiarity with frontend or React (not required, but useful for end-to-end thinking)
