Security Engineer with Cedar Policy w Warszawa, Polska

Expected, C#, Python, OpenAI API

Optional, LangGraph, AWS, Microsoft Azure, OpenAI API

Operating system, Windows, Linux

About the project, The project focuses on delivering a centralized authorization framework for enterprise AI services and cloud applications. The platform provides secure policy enforcement, identity integration, auditability, and governance capabilities to support scalable and compliant access management across distributed systems.

Team size, 10-20

This is how we work, you have influence on the technological solutions applied, you have influence on the product, you develop the code "from scratch", you focus on product development, agile

Team members, backend developer, technical leader, architect, devOps, product owner

Your responsibilities, Develop and maintain authorization policies using the Cedar policy language, Author, test, and validate policy definitions for enterprise applications and AI services, Implement and support access control models using attribute based and role based authorization approaches, Configure and maintain integrations with identity providers such as Microsoft Entra ID, Okta, and Amazon Cognito, Map identity claims and token attributes to authorization decisions and policy rules, Support the implementation of AWS AgentCore Policy in LOG_ONLY and ENFORCE modes, Develop Python based tooling for policy validation, testing, and automation, Design and implement parameter level access control patterns for secure tool and service interactions, Collaborate with security, platform, and engineering teams to review authorization requirements and implement policy controls, Contribute to audit logging and authorization decision traceability practices, Support security reviews and help maintain authorization governance standards

3+ years of experience in security engineering, backend engineering, or a related field, Hands on experience integrating enterprise identity providers, including Microsoft Entra ID, Okta, or Amazon Cognito, Experience defining and managing policies within an ABAC or RBAC authorization framework, Hands on experience with Open Policy Agent, Cedar, or similar policy based authorization technologies, Knowledge of OAuth 2.0, JWT, OpenID Connect, and modern identity architectures, Experience working with claims mapping and token based authorization models, Understanding of secure authorization design principles and policy lifecycle management, Experience with Python development for automation, validation, or backend services, Strong analytical and problem solving skills, Good written and verbal communication skills

Optional, Experience with LangGraph tool invocation patterns, Experience integrating with AWS AgentCore Gateway, Knowledge of enterprise AI platform architecture and governance principles, Experience implementing policy as code methodologies, Familiarity with cloud native security services and authorization platforms, Exposure to audit logging and compliance reporting requirements

This is how we work on a project, DevOps, documentation

Development opportunities we offer, substantive support from technological leaders, time for development of your ideas

DataArt Poland sp. z o.o., Our client is a UK financial services group operating in a highly regulated environment, currently rebuilding its data and analytics capability as part of a wider platform modernisation programme.