Platform Security Engineer
Causa PrimaB2B Payments, company
Madrid, SpainSenior
Creandum
Kfund
HelloWorld
Angel Invest
Software Engineering
About the role
TL;DR
Design and implement a secure system integrity layer for a platform.
- •Design and build the System Integrity Layer, establishing foundational platform primitives for security and compliance.
- •Key Responsibilities Design the core execution model for autonomous agents.
- •Conduct continuous threat modeling across distributed networks.
- •Build append-only, tamper-resistant event systems.
- •Engineer strict execution and data isolation layers.
- •Run internal pentesting and adversarial chaos testing.
- •Requirements 5+ years designing production backend platforms.
- •Deep database experience with schema design and event-sourcing.
- •Practical application-level security and encryption models.
- •Adversarial mindset to uncover vulnerabilities.
- •Hands-on experience with policy-as-code tools.
Required skills
PostgreSQLMongoDBRedisOAuthJWTSAMLPenetration TestingSOC 2GDPRHIPAAVaultIAMSSOMFAGit
Nice-to-have skills
Kubernetes
Domain expertise
fintech
Tech stack
PostgreSQLMongoDBRedisOAuthJWTSAMLPenetration TestingSOC 2GDPRHIPAAVaultIAMSSOMFAGitLinuxJiraConfluencePostmanREST APIgRPCWebSocketsRabbitMQCelerySidekiqNotionSlackAsanaLinearMonday.com