I mpress is #1 AI driven chain of orthodontic clinics with digital processes in Europe, and TOP 3 in the world.

Born in Barcelona in 2019, we’ve grown to pioneer leading care, flagship clinics and state-of-the-art tech across 10 countries and more than 200 clinics, we completely disrupted the orthodontics market by cutting treatment costs in half, making it more affordable to people.

We have revolutionised the invisible orthodontic sector with the best team of professionals specialised in making people smile and using the latest technology for the diagnosis, treatment, and follow-up of all cases.

To do this, we develop both web and mobile products for users, as well as internal software for clinics, and together with the ML department we are changing the whole industry.

Our business model, a true combination of medical expertise and digitalisation has been recognised in the top fastest-growing HealthTech companies by Forbes and we are currently listed as a LinkedIn Top 10 startup!

We are making a unique IT solution for healthcare and invisible orthodontics.

About the Role

We’re looking for a Java Developer to join our System Team , responsible for the foundational backend services that handle authentication, authorization, file storage, and integration workflows. You’ll contribute to services that are critical for internal use and are also evolving into platform offerings for external B2B clients.

Our systems play a key role in both internal and B2B platform offerings.

If you’re passionate about clean code, love designing maintainable and observable systems, and consistently write unit-tested, well-structured code—you’ll feel right at home.

What You’ll Work On

As part of the System Team, you will design, build, and maintain core services such as:

• Identity Provider integrations , including AWS Cognito
• A fine-grained ReBAC (Relationship-Based Access Control) authorization service
• A digital signature management system that tracks analytics and supports compliance
• A centralized file storage microservice
• Company wide adoption for BMPN approach

You’ll also contribute to strategic platform initiatives, including:

• Making these services available for our B2B stream
• Building a BPMN-like orchestration engine to reduce our dependency on external CRMs and lower system TCO
• Rolling out fine-grained access control based on ReBAC to use our medical platform with others

Tech Stack

Development

• Java 25
• Spring / Spring Boot
• Hibernate
• MapStruct (for object mapping)
• Feign (for clients)
• JUnit / Mockito (for testing)
• Apache Camel (for service integration)

Infrastructure

• Services run in Kubernetes (K8s)
• Hosted on AWS
• SNS / SQS for asynchronous messaging
• GitHub for Git, CI/CD
• ArgoCD for GitOps-based deployment

What We’re Looking For

• 2–5 years of professional experience as a Java backend developer
• Strong knowledge of Spring Boot and Java 17+ (Java 21 preferred)
• Comfortable designing and maintaining clean, well-tested code, covered with metrics
• Experience with RESTful APIs , microservices, and async communication (SNS/SQS or similar)
• Familiarity with software testing principles and solid use of JUnit / Mockito
• Experience working with Git and CI/CD flows
• Awareness of cloud-native development (Kubernetes, GitOps, cloud services)
• English proficiency at B2 level or higher
• Willingness to occasionally read and contribute to legacy Node.js services

Nice to Have

• Experience with AWS Cognito or similar identity providers and understand OAuth2
• Familiarity with authorization models such as ReBAC , RBAC
• Background in BPMN engines , workflow orchestration, or platform development
• Knowledge of Apache Camel
• Experience in multi-tenant or B2B platform environments

Why Join Us?

• Contribute to high-impact, security-critical systems in a rapidly growing medtech company
• Be part of a forward-thinking engineering culture focused on code quality and platform scalability
• Help shape a B2B product platform used by healthcare providers and partners
• Work remotely or from our sunny HQ in Barcelona , alongside a passionate and international team