Anicalls | Jobs | Sr. Spark/ Hadoop/Scala Engineer | BigDataKB.com | 27-03-22

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    Job Location: Bangalore/Bengaluru

    • Education: Bachelors degree

    Candidate should be able to:

    • Coordinate Development, Integration, and Production deployments.
    • Optimize Spark code, Impala queries, and Hive partitioning strategy for better scalability, reliability, and performance.
    • Build applications using Maven, SBT and integrated with continuous integration servers like Jenkins to build jobs.
    • Execute Hadoop ecosystem and Applications through Apache HUE
      Build Machine Learning Algorithms using Spark.
    • Perform migration from Legacy Databases RDBMS to Hadoop Ecosystem
    • Create mapping documents to outline data flow from source to target.
    • Use Cloudera Manager, an end-to-end tool to manage Hadoop operations in Cloudera Cluster
    • Design and deploy enterprise-wide scalable operations
      Work on leading BI technologies like MSTR, Tableau over Hadoop Ecosystem through ODBC/JDBC connection
    • Perform Performance tuning of Impala queries
    • Work on hive performance optimizations like using distributed cache for small datasets, Partition, Bucketing in Hive, and Map Side joins.
    • Create various database objects like tables, views, functions, and triggers using SQL
    • Understand business needs, analyze functional specifications and map those to development and designing Apache Spark programs and algorithms.
    • Install, configure, and use Hadoop components like Spark, Spark Job server, Spark Thrift server, Phoenix on HBase, Flume, Sqoop
    • Write SPARK jobs to fetch large data volumes from the source
      preparing technical specifications, analyzing functional specs, development, and maintenance of code
    • Develop end to end data pipeline using Spark, Hive, and Impala
    • Design and documented operational problems by following standards and procedures using software reporting tool JIRA
    • Use Rest services to access HBASE data and used the data for further processing in the downstream systems
    • Data wrangling and creating workable datasets and work on different file formats like Parquet, ORC, Sequence files, and different serialization formats like Avro
    • Perform Feasibility Analysis (For the deliverables) – Evaluating the feasibility of the requirements against complexity and timelines.
    • complete the full lifecycle of software development and deliver on time
    • work with end-users to gather requirements and convert them to working documents
    • interface with various solution/business areas to understand the requirements and prepare documentation to support development
      work in a fast-paced, team-oriented environment

    Candidate should have:

    • Experience in Hadoop, HBase, MongoDB, or other NoSQL platforms
    • Experience with Spark and Spark SQL
    • Excellent communication skills with both Technical and Business audience
    • hands-on experience in Java, Spark, Scala, AKKA, Hive, Maven/SBT, Amazon S3
    • Good knowledge of Big Data querying tools, such as Pig, Hive, and Impala
    • Good experience in debugging issues using the Hadoop, Spark Log files
    • Knowledge in Sqoop, Flume preferred
    • Experience in Kafka, ReST services is a plus.
    • Experience in Apache Phoenix, Text Search (Solr, ElasticSearch, CloudSearch)
    • Expertise in Shell-Scripts, Cron Automation, and Regular Expressions
    • 3+ years strong native SQL skills
    • 1+ years experience with Hadoop, Hive, Impala, HBase, and related technologies, MapReduce/YARN, Lambda architectures, MPP shared-nothing database systems, and NoSQL systems
    • 3+ years experience with Scala, Spark, Linux
    • Hadoop
    • HBase
    • MongoDB
    • NoSQL
    • Spark
    • Spark SQL
    • Java
    • AKKA
    • Hive
    • Maven/SBT
    • Amazon S3
    • Pig
    • Hive
    • Impala
    • sqoop
    • flume

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