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

Location: Veszprém, Hungary (In-person)
Type: Full-time
Department: R&D, reporting to the VP of Engineering
Seniority level: medior or senior, multiple positions available

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.

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.

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.

What we can offer you

• The opportunity to work in a fast-paced, fun environment with a highly experienced crew
• Access to the latest bleeding-edge cloud technologies and infrastructure
• Competitive benefits that include paid conference attendance and paid training allowance
• Modern office near Veszprém city center
• In-office workout room with professional workout classes

What you’ll do as a [Senior] Software engineer (Java)

• Designing and implementing authentication flows for AI agents and non-human identities
• Building secure, scalable token issuance and validation mechanisms
• Extending OAuth2 / OIDC concepts to agent-to-agent and agent-to-API communication
• Designing fine-grained authorization and policy enforcement systems
• Creating high-performance server-side components with strong security guarantees
• Collaborating with frontend and platform teams to expose secure APIs and SDKs
• Continuously improving system scalability, reliability, and performance
• Helping shape engineering standards where security, clarity, and great ideas win
• Help drive a culture of innovation

What you should bring with you

• 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
• Experience with data processing and analytics platforms such as ElasticStack
• Knowledge of inter-server authentication and authorization technologies
• Proficiency with source code management tools such as Git/Github
• Strong skills in data analysis and interpretation
• Ability to quickly understand new concepts and solve complex problems
• Possess strong written, verbal and presentation skills
• Experience with Spring Boot framework is a plus
• Expertise in front end UI frameworks such as Angular/Vue.js is a plus

Additional info

We’re hiring only those who are authorized to work in Hungary. Strivacity does not sponsor immigration visas

We’re an equal opportunity employer and we prohibit discrimination and harassment of any kind.

Strivacity is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at Strivacity are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. Strivacity will not tolerate discrimination or harassment based on any of these characteristics. We encourage applicants of all ages.