Java backend developer in e-commerce

At IRIUM, we want you to always pursue your dreams! Here, get ready to achieve your goals while enjoying the journey. We are currently looking for a Senior Java Backend Developer to join a challenging international technology project based in Lisbon.

• Minimum of 8 years of professional experience in Java Backend development
• Strong experience in designing, developing and implementing scalable Java microservices
• Proven experience in technical leadership, architecture decisions and software development best practices
• Experience developing and maintaining RESTful and GraphQL APIs, including OpenAPI documentation
• Strong knowledge of Keycloak, Okta, OIDC and RBAC, including IAM architecture, authentication and authorization
• Experience with event-driven architectures and messaging technologies, particularly AWS SQS and Solace
• Solid knowledge of SQL and relational databases
• Experience identifying and resolving performance bottlenecks, scalability challenges and security vulnerabilities
• Experience establishing coding standards, conducting code reviews and implementing quality gates
• Familiarity with SonarQube and Snyk
• Experience with Agile methodologies and DevOps practices
• Knowledge of React and integration with web applications
• Experience mentoring junior and mid-level developers
• Strong problem-solving, communication and stakeholder management skills
• Portuguese and English at C1 level — mandatory
• Current residence in Portugal — mandatory
• Будет плюсом: Experience in e-commerce, digital commerce platforms or complex enterprise environments; Knowledge of AWS Cloud architectures; Experience defining software architecture standards and application security strategies; Experience producing technical documentation, Architecture Decision Records (ADRs) and runbooks; Experience collaborating with Product Owners, solution architects and international stakeholders; Knowledge of CI/CD pipelines, automated testing and continuous delivery practices

• Hybrid — 3 days on-site and 2 days remote per week.
• Gross Monthly Salary: €2,800 – €3,100, depending on professional experience and technical expertise.
• The compensation package may include applicable allowances and additional benefits.
• Integration into an innovative and growing company;
• Participation in challenging international technology projects;
• Opportunities for professional development and career progression;
• Competitive remuneration according to experience and performance;
• Flexible compensation and health insurance as a social benefit;
• Unlimited access to self-paced technology training;
• A collaborative and dynamic working environment focused on innovation and continuous improvement