Contractor Middle/Fullstack Developer (Java & Angular)

Penguin Formula is hiring a remote Contractor Middle/Fullstack Developer (Java & Angular). The career level for this job opening is Experienced and is accepting Lisbon, Portugal based applicants remotely. Read complete job description before applying.

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Penguin Formula

Job Title

Middle/Fullstack Developer (Java & Angular)

Posted

Career Level

Contractor

Career Level

Experienced

Locations Accepted

Lisbon, Portugal

Job Details

We are looking for a Middle/Middle+ Fullstack Developer to join our internal team on a REMOTE work model from anywhere of the EU.

  • Develop and maintain Java backend services (Spring Boot or similar).
  • Implement and enhance Angular frontend features.
  • Build and consume REST APIs to integrate frontend, backend, and external services.
  • Contribute to database design and query optimization (SQL/NoSQL).
  • Ensure responsive and intuitive user experience in the frontend.
  • Collaborate with backend and AI engineers to integrate advanced features (OpenAI, Ollama, etc.).
  • Support CI/CD pipelines and contribute to deployment processes.
  • Write clean, maintainable, and well-documented code.

Requirements:

  • 3–5 years of professional experience as a Fullstack or Software Developer.
  • Proficiency in Java (11+, ideally 17+) with frameworks like Spring Boot.
  • Strong skills in Angular (latest versions) and TypeScript.
  • Solid knowledge of HTML5, CSS3 (SASS/SCSS), and responsive design.
  • Experience consuming and designing REST APIs.
  • Familiarity with databases (PostgreSQL, MySQL, or NoSQL).
  • User Experience (UX) awareness to ensure usability and design consistency.
  • Familiarity with Git and collaborative workflows.
  • Strong debugging and problem-solving skills.

Nice to Have:

  • Experience with Python (basic level, for collaboration with AI Engineers).
  • Familiarity with Docker and Kubernetes.
  • Understanding of security best practices (authentication, authorization, encryption).
  • Knowledge of cloud environments (AWS).
  • Experience with enterprise deployments (cloud + on-premises).
  • Exposure to event-driven systems (Kafka, RabbitMQ).

Ideal Profile:

  • Pragmatic and able to balance speed with code quality.
  • Comfortable switching between backend and frontend tasks.
  • Strong communicator, able to collaborate with cross-functional teams.
  • Curious about AI integration and willing to learn new technologies.
  • Proactive in suggesting improvements to architecture and user experience.

FAQs

What is the last date for applying to the job?

The deadline to apply for Contractor Middle/Fullstack Developer (Java & Angular) at Penguin Formula is 4th of November 2025 . We consider jobs older than one month to have expired.

Which countries are accepted for this remote job?

This job accepts [ Lisbon, Portugal ] applicants. .

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