Position: Senior Big Data Developer
Company: Grid Dynamics
Category: Java
Experience required: 3y
English level: upper

From project to project technology stack may vary but in most cases we work with this set helping our Engineers to grow in all these areas:

1. Python (and/or Java/Scala)
2. SQL
3. NoSQL (Cassandra / Redis / MongoDB / HBase, etc.)
4. Algorithms
5. Design patterns
6. Parallel Distributed Processing / Multithreading / Concurrency / CAP Theorem, etc.
7. Data Processing approaches
- Batch Processing
- Stream Processing
8. Big Data platforms, frameworks and services
- Hadoop (HDFS / Yarn / MapReduce / Hive / Pig / Parquet / Avro, etc.)
- Spark and Spark Streaming
- Kafka / Beam / Flink / Ignite / NiFi / StreamSets, etc.
9. Analytical databases (Yandex Clickhouse / Druid / Vertica / Impala, etc.)
10. Workflow Schedulers (Airflow / Oozie / Azkaban / Taverna, etc.)
11. Tools for Data Visualisation and Reporting (Tableau / QlikView / Domo, etc.)
12. Cloud Services
- Google Cloud (GCP) data services (BigQuery / Cloud Bigtable / Cloud Storage / Cloud SQL / Cloud Spanner / Cloud Datastore / Cloud Pub/Sub / Cloud Dataflow / App Engine / Compute Engine / TensorFlow / Stackdriver , etc.)
- AWS (Kinesis / Redshift / Lambda / Athena, etc.)
- Azure (Databricks / Data Lake Storage / Stream Analytics / Data Lake Analytics / SQL Data Warehouse, etc.)
13. Data Science Models usage (optional)

Non-specific common requirements
- Readiness for long-term assignments onsite of 6+ months will be a big plus
- Good understanding of distributed and highload system architectures
- Upper-Intermediate English 
- Network and OS (*nix!) drawbacks and optimizations
- Extensive experience with production troubleshooting and monitoring
- Ability to work with vague requirements
- Good communication skills

Responsibilities
- Participate in the design and development of a big data analytics application
- Design, support and continuously enhance the project code base, continuous integration pipeline, etc.
- Write complex ETL processes and frameworks for analytics and data management
- Implement large-scale near real-time streaming data processing pipelines
- Work with a team of industry experts on cutting-edge big data technologies to develop solutions for deployment at massive scale

We offer
- Opportunity to work on bleeding-edge projects
- Work with a highly motivated and dedicated team
- Competitive salary
- Flexible schedule
- Benefits program
- Social package - medical insurance, sports
- Corporate social events
- Professional development opportunities
- Opportunity for long business trips to the US and possibility for relocation

About us
Grid Dynamics is the engineering services company known for transformative, mission-critical cloud solutions for retail, finance and technology sectors. We architected some of the busiest e-commerce services on the Internet and have never had an outage during the peak season. Founded in 2006 and headquartered in San Ramon, California with offices throughout the US and Eastern Europe, we focus on big data analytics, scalable omnichannel services, DevOps, and cloud enablement.