jobapplier

Senior Backend Java Developer

iriumportugal

Skills

Required

  • Java
  • backend
  • Java Backend development
  • Spring Boot
  • microservices architecture
  • RESTful
  • GraphQL APIs
  • OpenAPI/Swagger documentation
  • authentication and authorization
  • Keycloak
  • Okta
  • OIDC
  • SQL
  • Git
  • React

Preferred

  • e-commerce / digital commerce platforms / complex enterprise environments
  • AWS Cloud architectures
  • Kubernetes
  • performance optimization
  • scalability
  • application security
  • ADRs
  • technical documentation
  • runbooks

We are currently looking for a Senior Backend Java Developer to join an international technology project focused on scalable enterprise applications and modern microservices architectures.

About iriumportugal

  • Na IRIUM queremos que persigas sempre os teus sonhos!
  • Aqui, prepara-te para conquistares as tuas metas, enquanto desfrutas do caminho.
  • At IRIUM, we are a team of dynamic and proactive professionals.
  • Our values are responsibility, commitment and quality in everything we do.
  • This is the spirit we look for in our people, regardless of age.
  • If you identify with these values, IRIUM is the right place for you!
  • Let's build the future together.

Requirements

  • Minimum 4 years of professional experience in Java Backend development.
  • Minimum 8 years of professional experience in Java Backend development.
  • Strong experience in Java, Spring Boot and microservices architecture .
  • Experience designing, developing and maintaining scalable, secure and high-performance backend services.
  • Development and integration of RESTful and GraphQL APIs , including OpenAPI/Swagger documentation.
  • Experience with authentication and authorization solutions, including Keycloak, Okta, OIDC and RBAC .
  • Experience with event-driven architectures and messaging technologies such as AWS SQS and Solace .
  • Good knowledge of SQL and relational databases .
  • Experience with automated testing, Git, Code Reviews and CI/CD pipelines.
  • Familiarity with code quality and security tools, including SonarQube and Snyk .
  • Knowledge of Agile methodologies and DevOps practices.
  • Knowledge of React and integration with frontend applications.
  • Strong analytical, problem-solving and teamwork skills.
  • Portuguese and English C1 — mandatory.
  • Candidates must currently reside in Portugal.

Preferred

  • Competencies Experience in e-commerce, digital commerce platforms or complex enterprise environments.
  • Knowledge of AWS Cloud architectures and Kubernetes.
  • Experience with performance optimization, scalability and application security.
  • Experience defining architectural standards and participating in technical design decisions.
  • Previous experience mentoring developers and conducting technical knowledge-sharing sessions.
  • Experience producing Architecture Decision Records (ADRs), technical documentation and runbooks.
  • Experience working with international teams and stakeholders.
  • Regime Hybrid – Lisbon, Portugal 3 days on-site and 2 days remote per week.
  • Candidates must reside in Portugal.
  • The opportunity to work on challenging international projects using modern technologies.

Pay

  • Monthly Gross Salary €2,800–€3,100 gross per month.
  • Competitive remuneration according to experience and performance.

Benefits

O que oferecemos?

  • An innovative and growing company with opportunities for professional development.
  • Access to flexible compensation and health insurance as a social benefit.
  • Unlimited access to self-paced technological training.

Full-time – 40 hours per week.

Shall we talk? Send your application to

At IRIUM, we believe in a world without stereotypes or limitations. We promote equal treatment and equal opportunities for everyone, regardless of personal, physical or social circumstances, in accordance with our Equality Plan and Code of Ethics.