Application Developer - IAM & API

Application Developer - IAM & API

We are looking for an Application Developer with strong experience in Identity & Access Management (IAM), API development and identity integrations.

You will join a team responsible for building and improving identity lifecycle and access management solutions, developing APIs and automating identity-related processes across enterprise systems.

Location: Kraków - hybrid, 6 days per month from the Kraków office Contract: B2B via Antal (outsourcing)

Your responsibilities

• Develop and maintain APIs and backend services supporting identity and access management.
• Build identity lifecycle workflows covering provisioning, deprovisioning and access changes.
• Integrate identity platforms with enterprise applications and services.
• Work with authentication, authorization and identity federation.
• Implement and integrate solutions based on OAuth 2.0, OIDC, JWT and SAML.
• Develop event-driven integrations using Pub/Sub and asynchronous processing.
• Build secure, scalable and reliable services, with a strong focus on API security.
• Automate infrastructure and IAM configuration using Terraform.
• Troubleshoot issues across APIs, identity services and distributed systems.
• Work closely with Security, DevOps and Engineering teams on technical solutions and integrations.

What we are looking for

• 3+ years of experience in software development.
• Strong programming skills in Python, Go or Node.js.
• Solid hands-on experience with REST API development and backend services.
• Practical experience in IAM / Identity Management / Identity Orchestration.
• Experience with identity platforms such as Auth0, Okta, WorkOS, SlashID or similar.
• Good understanding of OAuth 2.0, OIDC, JWT, SAML and identity federation.
• Experience with event-driven architectures and messaging platforms.
• Experience with Terraform or another Infrastructure as Code tool.
• Understanding of API security, authentication and authorization.
• Good troubleshooting and problem-solving skills.
• English - B2/C1.

Nice to have

• Experience with Google Cloud, Cloud Run, Cloud Functions or GKE.
• Knowledge of OPA / policy-based authorization.
• Experience with Microsoft Entra ID, Okta or Ping Identity.
• Kubernetes / GKE experience.
• Secret Manager, HashiCorp Vault or similar.
• React / Full Stack experience.
• Experience in enterprise or regulated environments.
• Knowledge of ISO 27001, SOC 2, PCI DSS or HIPAA.

What we offer

• Opportunity to work on enterprise IAM and identity solutions.
• Strong focus on API development, identity automation and security.
• Modern cloud-native environment.
• Collaboration with experienced Security, Engineering and DevOps teams.

Why apply for an Antal job offer?

When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.

About Antal

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services - from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.

Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.