Backend Software Engineer

About the Position

LOQR is looking for a Backend Software Engineer to join our team in Felgueiras, Portugal. In this role, you will participate in the full development lifecycle of LOQR's platform using modern backend technologies. You’ll contribute to the development of scalable, maintainable, and performant solutions.

Responsibilities

• Develop, test, deploy, and maintain modern backend solutions;
• Build REST APIs to integrate frontend and backend services;
• Ensure code quality, performance optimization, and maintainability;
• Design and maintain data models, pipelines, and integrations that support platform features and analytics;
• Use GitLab for version control, CI/CD pipelines, and team collaboration;
• Collaborate closely with backend, product, and QA teams to deliver high-quality features;
• Identify and resolve performance bottlenecks and ensure cross-device responsiveness and accessibility.

Requirements

• Graduate degree in Computer Science, Software Engineering, or a related field;
• Minimum 3 years of experience in backend development with Node.js and Spring Boot;
• Solid experience with Java/Kotlin;
• Experience with testing frameworks such as JUnit, Selenium, Jest, or others;
• Experience with REST APIs and modern architectural patterns;
• Experience with databases like MongoDB, Elasticsearch, PostgreSQL, or SQL Server;
• Experience working with data at scale: modeling, pipelines, and processing large or complex datasets;
• Familiarity with AI/ML integration from a backend perspective (e.g., serving models via APIs, working with data pipelines that feed AI systems);
• Proactive with good organization skills;
• Proficiency in version control systems like GitLab;
• Knowledge of performance profiling and optimization techniques;
• Autonomy, attention to detail, and a problem-solving mindset;
• Positive, ego-free attitude with ethical conduct and strong communication skills;
• To be allocated to LOQR's headquarters (Felgueiras, Portugal), with a flexible remote work policy.

We Offer

• Involvement in a promising startup with an entrepreneurial atmosphere;
• Integration in a top team delivering cutting-edge technology to international customers;
• Commitment to your happiness and success;
• Room to thrive and grow;
• Premium Health Insurance (for you and your children);
• Flexible Workplace 💻 Our office covers most of your daily needs, but we also have a flexible remote policy - if that's your thing.
• Free snacks 🍏 Kitchen, desk, or outside, you decide! Either way, we got you: coffee, water, fruit, snacks, or cake (because we ❤️ cake!).
• Time Off 🏖️ We work hard but we also need our rest. At LOQR, you can get 22+3+3 vacation days.

About the Company

We invest in people, technology, and tools to support your talent and to improve innovation. We understand the significance of work-life balance and the importance of having motivated people who feel a greater sense of ownership over their work.

---

Apply Now!