Java Developer | AI Tools

Randstad Portugal; Porto; Presencial; EUR 42 000 - 66 000; Tempo integral

Resumo da oferta

Randstad Portugal is seeking an AI Backend Engineer to join one of our technology teams for a key client and internal platforms. The role focuses on building scalable Java microservices and robust APIs using Quarkus, while leveraging AI-assisted tooling to speed development.

You will collaborate with backend, QA and product teams in a fast-moving environment, write automated tests, participate in code reviews, and contribute to reliable CI/CD pipelines.

Qualificações

• 4+ years of backend development experience.
• Proficient in Java; Quarkus a plus.
• Experience with AI-assisted development tools daily.
• Designing APIs and Java microservices at scale.
• Writing automated unit and integration tests.
• Ability to understand business context before solving.
• Willingness to experiment with AI tools.
• Strong communication in English.

Responsabilidades

• Design, build and maintain backend services and APIs.
• Use AI tools as part of daily workflow to accelerate coding.
• Solve day-to-day backend tasks with AI guidance.
• Write automated tests for backend services.
• Participate in code reviews.
• Troubleshoot CI/CD pipelines with AI support.
• Collaborate with backend engineers, QA and product.

Conhecimentos

Backend development

Java

AI-assisted development

API design

CI/CD

Unit & integration testing

English communication

Ferramentas

Quarkus

GitHub Copilot

GitLab Duo

Claude Code

Descrição da oferta de emprego

The Randstad Group is the global leader in talent solutions and HR services, with more than 65 years of market experience, acting as a strategic partner for talent and for companies. We are present in more than 38 markets worldwide, contributing to shaping the world of work.

We are looking to hire a AI Backend Engineer to join one of our teams for a key client / for our internal facilities.

Responsibilities:

• Design, build and maintain backend services and APIs using Java and Quarkus.
• Use AI tools such as GitLab Duo and Claude Code as part of your daily workflow to accelerate coding, testing, debugging and code review.
• Solve day-to‑day backend team tasks – features, bug fixes, refactors, integrations – leveraging AI to move faster without compromising quality.
• Write automated tests (unit and integration) for backend services, using AI to speed up test creation and improve coverage.
• Take part in code reviews – both AI-assisted and with teammates – ensuring code quality and adherence to our engineering standards.
• Troubleshoot and resolve issues in CI/CD pipelines, using GitLab Duo to speed up root‑cause analysis.
• Collaborate closely with other backend engineers, QA and product to deliver reliable, well‑tested software.

Skills/Requirements:

• 4+ years of hands‑on experience in backend development.
• Experience with Java (Quarkus is a plus).
• Practical experience using AI-assisted development tools such as GitHub Copilot, GitLab Duo, Claude Code, or similar as part of a daily engineering workflow.
• Experience designing and building APIs and Java‑based microservices that run reliably at scale in production.
• Experience writing automated unit and integration tests for backend systems.
• Ability to understand the functional and business context of a feature before designing the technical solution.
• Curiosity and willingness to experiment with new AI tools and integrate them responsibly into day‑to‑day development practices.
• Comfortable working in a fast‑moving environment where AI‑assisted development practices are still evolving.
• Strong attention to detail, critical thinking, and problem‑solving skills.
• Good verbal and written communication skills in English.
• Collaborative, adaptable, and able to manage multiple priorities effectively.
• Integration into a solid and recognized company within the sector, with an excellent work environment, the opportunity to make a difference;