Software engineer

Develop scalable backend solutions for large-scale data processing Engage in the full life-cycle application development, including user requirements, specifications, design, coding, testing, debugging, documentation, and maintenance Implement high-quality, reusable, and well-tested software solutions using object-oriented programming languages such as Java

Comfone is a pioneer in global international roaming services, a market in constant technological evolution. We are proud of our contributions in defining the standards and shaping this industry. Over more than 25 years, our roaming services have helped billions of subscribers stay connected when it really matters. We are a Swiss company based in Bern with regional offices covering Europe, Latin America, North America and Asia Pacific. We are an international team with staff from more than 40 different nationalities, speaking more than 32 languages and driven by values of diversity, equity, and inclusion into our daily operations.

• Bachelor’s degree in Computer Science, Data Science, or a related discipline, or a completed apprenticeship in computer science with a Swiss Federal Certificate of Competence

• 2–6 years of professional experience in backend development, ideally with a strong focus on Java

• Solid understanding of object-oriented programming, preferably using Java

• Hands-on experience with testing frameworks such as JUnit

• Strong knowledge of database systems; experience with MongoDB is considered an advantage

• Familiarity with technologies such as Spring Boot, Kafka, and Flink is beneficial

• Experience working with Big Data or large-scale data processing environments is a plus

• A proactive mindset with a sense of ownership, demonstrating initiative in improving systems and optimizing processes.

• Good knowledge of the English language (written and verbal); additional languages are an advantage

• Swiss or EU/EFTA citizen (with a work permit B or C)