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Senior Software Engineer (Security experience)

Senior Software Engineer (Security experience)

Complexio, , Spain, España
Hace 1 día
Descripción del trabajo

Overview

Complexio's Foundational AI works to automate business activities by ingesting whole company data – both structured and unstructured – and making sense of it. Using proprietary models and algorithms Complexio forms a deep understanding of how humans are interacting and using it. Automation can then replicate and improve these actions independently.

Complexio is a joint venture between Hafnia and Símbolo, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan.

We're seeking an exceptional security developer to join our efforts in implementing a sophisticated privacy-preserving access control framework across our autonomous business process automation platform.

You will need strong Python development experience as you will be building a custom encryption service within a micro-services architecture. The scope covers secure service development, OAuth integrations, and identity provider connections.

Responsibilities

  • Design and implement a comprehensive data privacy and access control architecture that addresses multi-dimensional classification, dynamic permissions, and information barriers
  • Focus on privacy-preserving access controls and coordinate with cross-functional teams including data ingestion, knowledge mapping, and automation developers
  • Develop and enforce security and privacy standards, policies, and best practices throughout the product development lifecycle

Technical Implementation

  • Architect a multi-layered access control model combining Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC), and purpose-based limitations
  • Oversee implementation of fine-grained data classification frameworks using NLP and other technologies
  • Design and validate permission propagation mechanisms for graph data models and derived insights
  • Establish security boundaries for autonomous AI agents, ensuring proper context isolation and privilege controls
  • Cross-Team Coordination

  • Work closely with engineering teams to integrate privacy controls into the data pipeline, knowledge graph, and AI components
  • Collaborate with product management to balance privacy requirements with usability and functionality
  • Coordinate with customer success to address client-specific privacy and compliance needs
  • Influence and guide development teams to prioritize privacy-by-design principles
  • Requirements

  • 5+ years of experience in information security, data privacy, or access control systems
  • Proven track record designing and implementing complex security architectures
  • Strong knowledge of modern authorization frameworks, RBAC / ABAC systems, and data classification methodologies
  • Experience leading teams and influencing cross-functional stakeholders
  • Technical background with understanding of databases, APIs, and enterprise software architecture
  • Preferred Skills & Experience

  • Knowledge of AI / ML systems and the unique privacy challenges they present
  • Understanding of data privacy regulations (GDPR, CCPA) and their technical implementation requirements
  • Familiarity with LLMs and the privacy implications of their use in enterprise contexts
  • Understanding of vector databases and embedding-based systems
  • Experience in regulated industries (finance, healthcare, legal) with complex information barrier requirements
  • Background in data lineage and provenance tracking systems
  • Experience with graph databases (particularly Neo4j) and their security models
  • Security certifications such as CISSP, CIPT, or CIPP / E
  • Core Development Skills

  • Experience building encryption systems (e.g. using AES, RSA, and key management services)
  • Hands-on development with OAuth 2.0, OpenID Connect, JWT validation, and RBAC / ABAC systems
  • Building secure REST / GraphQL APIs with middleware for authentication, rate limiting, and input validation
  • Implementing access controls, query filtering, and audit logging for SQL and NoSQL databases
  • Securing pub / sub systems with encryption, authentication, and access controls
  • Required Technologies

  • Python (async / await, cryptography libraries, FastAPI)
  • Container security (Docker, Kubernetes secrets, network policies)
  • Identity providers (Microsoft EntraID, Okta, Auth0 integration)
  • Database systems (PostgreSQL, Redis, experience with graph databases preferred)
  • Cloud security (AWS / Azure IAM, KMS, security groups)
  • Practical Experience

  • Built production encryption / decryption systems handling sensitive data at scale
  • Implemented fine-grained permission systems beyond simple role-based access
  • Developed secure multi-tenant applications with data isolation between customers
  • Created audit logging and compliance reporting for regulated environments
  • Integrated with enterprise identity systems in complex organizational structures
  • Benefits

  • Work with a groundbreaking AI platform solving real enterprise pain points
  • Help clients achieve measurable ROI through next-gen automation
  • Join a remote-first, globally distributed team backed by industry leaders
  • Shape the success function and influence product direction in a fast-scaling AI company
  • #J-18808-Ljbffr

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