Unleash groundbreaking security solutions — shape the future of identity orchestration!Krakow or Warsaw-based opportunity with possibility to work partially remotely (6 days per month in the office are required).As a Senior API Developer, you will be working for our client, a leading innovator in cybersecurity and identity management. You will contribute to building and enhancing secure, scalable API-driven identity workflows, supporting vital security and access management functions across complex enterprise environments. Join us to drive innovative identity solutions and accelerate your career in the evolving landscape of digital security.Your main responsibilities: Design and implement identity flows for provisioning, de-provisioning, and lifecycle management, integrating with Cloud Identity Services, ServiceNow, and internal systems Develop, secure, and document RESTful APIs supporting identity, provisioning, and governance workflows Build policy-based orchestration workflows for adaptive authentication and context-aware access using industry standards such as OPA Create pipelines publishing API events to Pub/Sub systems for tasks like identity lifecycle automation, access review triggers, and security logging Develop Cloud Functions, Cloud Run microservices, or containerized solutions for event processing with retries, idempotency, and structured logging Build Terraform modules for IAM, API services, Pub/Sub, workloads, and permissions; automate deployment via CI/CD pipelines Troubleshoot identity, access, and API workflow issues; collaborate with security teams during audits, compliance checks, and incidents You're ideal for this role if you have: 4+ years of experience in API and microservice development within the identity/security domain Proven expertise with modern identity orchestration platforms (e.g., Auth0 Actions, Okta Workflows, WorkOS, SlashID) Strong programming skills in Python, Go, Java, or Node.js Experience designing and deploying cloud-native APIs on Cloud Run, Cloud Functions, or GKE Deep understanding of event-driven architectures, Pub/Sub systems, and message processing patterns Strong knowledge of OAuth2, OIDC, JWT, SAML, and identity federation protocols Proficiency with Terraform and Infrastructure as Code principles Experience with API gateways, reverse proxies, or service mesh technologies It is a strong plus if you have: Google Professional Cloud Security Engineer or Cloud Architect certification Experience working with additional identity providers like Azure AD or Ping Identity Familiarity with Kubernetes (GKE RBAC + workload identity) Knowledge of secrets management tools such as Vault or Secret Manager Understanding of compliance frameworks (SOC2, ISO 27001, PCI, HIPAA) Language Required for the role:Fluent English (both written and verbal)Eligibility for the role:Only candidates with an existing legal right to work in the European Union will be considered for this role.We offer you:ITDS Business Consultants is involved in various, innovative, and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions Enhance your skills and develop your expertise in the financial industry Work on the most strategic projects available in the market Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years Participation in Social Events, training, and work in an international environment Access to an attractive Medical Package Access to Multisport Program #GETREADYInternal job ID #8305You can report violations in accordance with ITDS’s Whistleblower Procedure available here.