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Arbejdsgivers annonce:

Full-stack NoSQL expert developer - 1+ month in Helsinki or remote

We are looking for a full-stack NoSQL expert developer who knows Apache Cassandra in and out.

Job description:
Our client is building real-time services to serve advertising and recommendations use cases. Currently they have an urgent need to develop the data storage to another level. Their use cases are best matched by Apache Cassandra and they are therefore looking for a data base professional who knows the best practices in high volume big data Cassandra setups and also knows how to set it up in Amazon AWS environment.

The project expands the functionalities of previously built enabler. All clients and data processes accessing this data are/will be written in Scala.

Responsibilities during the project:

- Define the optimal Cassandra cluster setup to
- match the real-time access needs of the use cases
- enable off-line big data analytics, namely Spark, to read/write the data without major effects on the real-time access
- minimize/optimize the costs from Amazon AWS EC2 instances
- Advice on the data schema for the use cases
- Create setup scripts for deployment to Amazon AWS
- Run performance tests, preferable using
- Write data integrations mostly to Spark using Scala

Working relationships:
- Application Developers – working very closely with dev teams responsible.
- Project Managers – working very closely with project managers effectively working across multiple projects and delivering to deadlines.

Required skills:
- expert in Apache Cassandra
- good knowledge on other NoSQL solutions, like MongoDB or the AWS offering
- good knowledge on AWS environment
- experience working with Apache Spark
- some experience with Scala

Start: ASAP
Duration: Estimated time for this phase of the project is 1 month. However, if results are good, there is possibility to continue with other projects that have a lesser Cassandra focus
Location: Center of Helsinki. Might be possible to work remotely
Working language: Finnish, English

Contact: Sharmini Deb,, +45 5230 6930