Position: Big Data Developer (Digital Marketing sphere)
Company: Coherent Solutions
Experience required: 2y
English level: intermediate

We are looking for a talented candidate to join Data Team which is responsible for the whole data lifecycle: from collecting and cleaning raw logs and third-party data (15 TB daily) to preparing a variety of reports for both internal and client’s usage. Our team helps to get insights from data and make targeting for advertising campaigns as accurate as possible. We are constantly working to find a balance between delivery speed, algorithms accuracy and cloud infrastructure cost.

 
What You’ll Do
Support, manage and develop large scale ETL pipelines;
Implementation of fault tolerant and robust spark streaming and batch jobs running on EMR;
Performance optimization;
Work with DevOps team to streamline deployments and cut infrastructure cost;
Work on reporting and orchestration tools written in Java;
Assess new technologies and see how they fit to the existing architecture and business needs;
Develop and prove new architectural solutions;
Direct work with client to gather requirements for ongoing development;
Troubleshoot application operational issues;