[Senior] Software engineer (Java) - Agentic AI authentication

About this role

<p>Location: Veszprém, Hungary (In-person) or Hungary (Hybrid/Remote)<br>Type: Full-time<br>Seniority level: medior or senior, multiple positions available</p> <p data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true" data-pm-slice="1 1 []">&nbsp;</p> <p><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">As AI agents become first-class actors in digital ecosystems, identity is no longer just about human users. It's about securing autonomous systems, managing non-human identities, and enabling trusted machine-to-machine interactions at scale. If you're excited about building authentication and authorization systems designed specifically for AI agents — this role is for you.<br></span></span></span></p> <p><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">We're looking for a software engineer with a strong technical background and experience building fast and flexible server-side components. You'll work with a team of other developers to create the fundamental architecture on which our offerings are based, collaborating with front end developers to create fast and flexible server-side components that adhere to high levels of security and validation.</span></span></span></p> <p><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">You will also help drive an engineering culture of openness, honesty, and help ensure that "the best ideas" win. You'll constantly optimize and improve our products for speed and scalability.</span></span></span></p> <h2 class="western">What we can offer you</h2> <ul> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">The opportunity to work in a fast-paced, fun environment with a highly experienced crew</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Access to the latest bleeding-edge cloud technologies and infrastructure</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Competitive benefits that include paid conference attendance and paid training allowance</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Modern office near Veszprém city center</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">In-office workout room with professional workout classes</span></span></span></li> </ul> <h2 class="western">What you’ll do as a [Senior] Software engineer (Java)</h2> <ul> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Designing and implementing authentication flows for AI agents and non-human identities</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Building secure, scalable token issuance and validation mechanisms</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Extending OAuth2 / OIDC concepts to agent-to-agent and agent-to-API communication</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Designing fine-grained authorization and policy enforcement systems</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Creating high-performance server-side components with strong security guarantees</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Collaborating with frontend and platform teams to expose secure APIs and SDKs</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Continuously improving system scalability, reliability, and performance</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Helping shape engineering standards where security, clarity, and great ideas win</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Help drive a culture of innovation</span></span></span></li> </ul> <h2 class="western">What you should bring with you</h2> <ul> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">5+ years of experience for senior level or 3+ years for medior level in software engineering and high-level understanding of Java and optionally golang</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Experience with data processing and analytics platforms such as ElasticStack</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Knowledge of inter-server authentication and authorization technologies</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-size: medium;">Proficiency with source code management tools such as Git/Github</span></span></span></li> <li><span style="color: #000000;"><span style="font-family: Liberation Serif, serif;"><span style="font-si