Senior Software Engineer, Big Data Java / Scala

Upstream, a leader in mobile technology, is seeking an enthusiastic Senior Big Data Developer to join their Software Development team in Athens, Greece. As a Senior Software Engineer, you'll be part of a competent team working on mission-critical applications throughout the entire development lifecycle. You'll use a modern tech-stack including Apache Spark, Hadoop, Kafka, Spring Boot, Java/Scala, and Data Lake to build the Data and Reporting layer of their products, processing hundreds of millions of messages per day.

Key responsibilities include:

• Working on big data platforms including data ingestions and data warehouse development
• Programming in distributed messaging and data processing systems: Kafka, Spark
• Designing, developing, and supporting ETL processes
• Writing well-designed, maintainable, testable, efficient software modules
• Ensuring designs comply with specifications
• Providing support for production systems
• Supporting continuous improvement by investigating alternatives and new technologies

The ideal candidate will have:

• BSc/MSc in Computer Science, Engineering or equivalent
• 4+ years of full-time professional experience
• Experience programming in Java or Scala or other functional programming languages
• Excellent knowledge of SQL
• Familiarity with build tools such as Maven or Gradle
• Proficient understanding of Git and its workflows

Preferred skills include experience with Spark, Hadoop, Kafka, and Data Warehouses.

Upstream offers a competitive base salary and benefits, along with the opportunity to work in a dynamic, fast-paced environment with a smart and motivated team. They have adopted a hybrid work mode, with HQ offices based in Gerakas. Join Upstream and be part of a company that's at the forefront of mobile technology innovation!