Lead Java Architect

About Assessio

At Assessio, we have a bold ambition: to become the leading HR Tech provider in Europe by 2028, eliminating talent waste by helping people thrive in roles where they can perform at their best.

We combine 70+ years of scientific heritage with a modern, intuitive product experience. Our AI-powered platform helps organizations use and reuse trusted people data to attract and promote the right talent, reduce toxic behaviours, and boost engagement and performance. Our mission is to lead the transformation toward a future with zero talent waste by empowering individuals to unleash their full potential in roles aligned with their strengths.

With offices in Sweden, Denmark, Norway, Germany, Estonia, and the Netherlands, and more to come, we’re growing fast and building a strong international presence. Join us in shaping the future of talent management in Europe alongside 170+ dedicated co-workers.

More about the role: Lead Java Architect

As Lead Java Architect, you’ll take the technical lead in designing and evolving Assessio’s core SaaS platform, a strategic product that powers data-driven recruitment and development for some of Europe’s most forward-leaning enterprises and public organizations. In addition to guiding the backend architecture across three agile teams, you’ll also manage and lead one of our core development teams, with a strong influence on both people and the platform.

You’ll work hands-on with Java 21, Spring 6, and guide architecture for a distributed, cloud-native backend running on AWS and Kubernetes. Expect to integrate modern technologies like Kafka, GraphQL, gRPC, and lead the adoption of GenAI and LLMs into our platform.

You’ll collaborate closely with engineering teams, product managers, designers, and DevOps to deliver high-performing, secure, and scalable services that bring real value to our users. This role is remote-first with colleagues across multiple European countries.

Responsibilities

• Design scalable, resilient microservices using Java 21 and Spring Boot
• Managing one of the core teams and leading backend architecture across three agile teams
• Balancing hands-on coding for our core platform and strategic design
• Guide the integration of GenAI capabilities and help shape our technical future
• Ensure best practices in CI/CD, TDD, secure development, and cloud-native operations
• Collaborate with stakeholders across product, UX, DevOps, and data
  
  

What we’re looking for

• 5+ years’ experience in architecture with Java and Spring development
• Proven experience with microservices architecture and distributed systems
• Strong hands-on experience with AWS (EKS, RDS, SQS) and Kubernetes
• Experience with PostgreSQL and Kafka
• Familiarity with identity and access management (Keycloak, OAuth2)
• Solid understanding of agile development practices, DevSecOps and CI/CD
• Passion for mentoring and guiding others, clean code, and solving real-world business problems.

Nice-to-have

• Previous experience in HR tech or SaaS platforms
• Exposure to AI/ML workflows or infrastructure-as-code tools (CDK, Terraform)
• Familiarity with observability tools like Prometheus, Grafana or ELK
• gRPC; GraphQL is also a plus
• Experience in a managerial role, or a strong ambition to take that step as your next career move.
  
  

A fair and data-driven recruitment process

We practice what we preach, that's why you'll complete three short assessments (personality, cognitive ability, and motivation). This ensures a fair, unbiased selection based on potential, while also giving you hands-on experience of our platform, the product you'll be helping to shape and build in this role.

You can find more information about the process at our career site.

We look forward to your application! If you have any questions regarding the recruitment process or the role, please contact Vanessa Reaidy at vanessa.reaidy@ants.se