(Senior) Software Engineer

HolidayCheck is deeply committed to providing the best experience in online travel for our customers. Help our growing team of data scientists and engineers to unleash the potential of billions of events every day to provide five million travellers every month with intelligent optimizations.

Responsibilities

• Design, model, implement and maintain Hadoop solutions supporting raw-event collections
• Help internal clients with pragmatic strategic ad-hoc data requirements
• Optimize our data infrastructure to become a reliable, tested real-time solution
• Work closely with data scientists and engineers to build personalized experiences for our users
• Drive research initiatives to innovate and support our data driven approach
• Perform data extraction, aggregation from multiple sources, including Google Analytics
• Create confidence in our data by tests, automation, monitoring and neat visualizations

Qualifications

• Several years of real-world experience with Apache Hadoop (with e.g. HDFS, Hive, HBase, Pig)
• Experienced software engineer, proficient with several languages (we use Scala a lot)
• Proficient with SQL (MySQL, MS-SQL are running) and NoSQL (e.g. MongoDB, Neo4j, Cassandra) databases and querying them
• Sysadmin experience (Linux, AWS, Docker) is a plus
• Prior experience with scaling ETL projects and a big data platform is advantageous
• Able to understand complex topics, including business traits and user behavior
• Uses modern tools and is generally efficient and test-driven
• True agilist, keen on delivering working software
• Non-religious about specific systems, frameworks, languages or tools
• Can focus on deliverables and small increments but also not afraid of huge changes and humongous amounts of data
• Proud to show your github.com account, research papers or other interesting achievements
• Very good skills in English are mandatory, German or Polish is a plus