Java Backend Developer – Luxury Retail (Hybrid, Lisbon)

act digital; Lisboa; Hybrid; EUR 45,000 - 70,000; Full time

Benefits offered by this job

Continuous learning opportunities

Career development

Hybrid working model

Job summary

act digital in Lisbon is seeking a Java Backend Developer to join an international team delivering luxury retail digital products. You will develop and maintain Java microservices for Checkout, MyAccount, and ODR Processing, and design RESTful APIs.

You will work in a hybrid model, write tests, ensure security best practices, and collaborate with senior engineers. Exposure to GraphQL, IAM integrations (Keycloak, Okta, OIDC), and modern DevOps practices is expected.

Qualifications

• Experience with Java development.
• Knowledge of Microservices Architecture.
• Experience with REST APIs.
• Familiarity with Git/GitLab.
• Understanding of testing practices and software quality principles.
• Interest in security and identity management technologies.
• Strong communication skills in English (C1).
• GraphQL is a plus.

Responsibilities

• Develop and maintain Java microservices for Checkout, MyAccount, and ODR Processing products.
• Build and enhance RESTful and GraphQL APIs.
• Write unit and integration tests and contribute to code quality initiatives using SonarQube and Snyk.
• Participate in Agile ceremonies, including sprint planning, daily stand-ups, and retrospectives.
• Follow best practices for coding, security, and GitLab pull request processes.
• Support the integration of IAM solutions such as Keycloak, Okta, and OIDC.
• Collaborate with senior engineers and participate in a structured upskilling program.

Skills

Java

Microservices

REST APIs

Git/GitLab

Testing practices

Security awareness

English (C1)

GraphQL

Tools

SonarQube

Snyk

Keycloak

Okta

OIDC

Job description

act digital in Lisbon is seeking a Java Backend Developer to join an international team delivering luxury retail digital products. You will develop and maintain Java microservices for Checkout, MyAccount, and ODR Processing, and design RESTful APIs.

You will work in a hybrid model, write tests, ensure security best practices, and collaborate with senior engineers. Exposure to GraphQL, IAM integrations (Keycloak, Okta, OIDC), and modern DevOps practices is expected.