Senior Java Developer - Identity & Access Management

InventYou; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Job summary

InventYou is seeking a Senior Java Developer with a strong IAM and security focus. You will design and implement secure backend solutions in Java/Spring Boot, integrating with Keycloak and leading authentication and identity management efforts in a regulated environment.

You will work closely with architects and security specialists in an agile setting, driving security ownership, performance optimization and continuous improvement while sharing knowledge to strengthen the team.

Qualifications

• Solid experience with Java and Spring Boot.
• Very good experience with OpenShift and Docker.
• Experience with Keycloak and IAM solutions.
• Good knowledge of authentication and authorisation protocols (OIDC, OAuth2, SAML).
• Ability to work independently and drive technical questions.

Responsibilities

• Design, develop and evolve secure backend solutions in Java and Spring Boot.
• Build and maintain authentication, authorisation and digital signing solutions.
• Develop identity management using Keycloak.
• Implement authentication flows using OIDC, OAuth2, SAML.
• Deploy and run apps on OpenShift and Docker.
• Integrate with BankID and Freja eID where applicable.
• Ensure security, reliability and compliance; troubleshoot and optimize performance.
• Share knowledge and contribute to the team’s growth.

Skills

Java

Spring Boot

IAM

OIDC

OAuth2

SAML

Security

Identity

English

Tools

OpenShift

Docker

Keycloak

Job description

We are looking for a Senior Java Developer with strong expertise in Identity & Access Management (IAM) and IT security to join our team. You will develop and improve secure, scalable solutions for authentication, digital signing and identity management in a complex, highly regulated environment.

The role combines deep technical work with technical ownership. You will drive security and identity questions, help shape solutions and actively share your knowledge to strengthen the team’s overall competence. You will work closely with developers, architects and security specialists in an agile environment where security and quality are critical.

• Design, develop and evolve secure backend solutions in Java and Spring Boot
• Build and maintain solutions for authentication, authorisation and digital signing
• Develop and integrate identity management solutions based on Keycloak
• Implement and maintain authentication and authorisation flows using OIDC, OAuth2 and SAML
• Deploy and run applications on container platforms such as OpenShift and Docker
• Integrate with electronic identification services such as BankID and Freja eID
• Make sure solutions meet high standards for security, reliability and compliance
• Take part in troubleshooting, performance optimisation and continuous improvement
• Share knowledge and contribute to the team’s technical growth

• Solid experience with Java and Spring Boot
• Very good experience with OpenShift and Docker
• Experience with Keycloak and IAM solutions
• Good knowledge of authentication and authorisation protocols such as OIDC, OAuth2 and SAML
• Experience building solutions for authentication, digital signing and identity management
• Ability to work independently, drive technical questions and actively share knowledge
• Fluent in Swedish and English, both spoken and written

Nice to Have

• Experience with BankID and Freja eID integrations
• Experience with security-critical systems in banking, finance or other regulated industries
• Experience with secure software development practices
• Knowledge of PKI, certificates and cryptography

You will be a great candidate for us if you

• Are a hands-on developer with a strong security mindset
• Are self-driven and solution-oriented, and enjoy taking technical ownership
• Communicate clearly and enjoy working closely with your team
• Share your knowledge and actively contribute to your team’s growth
• Do well in complex, security-critical environments

• Work on authentication and digital identity solutions used by a large number of end users
• Build deep expertise in IAM, Keycloak and modern security protocols
• Have real influence on the security architecture and engineering practices
• Be part of an agile team with a strong focus on security, quality and knowledge sharing