Big Data Developer
Citigroup Inc
Warsaw, M POL, EMEA
63 d. temu


Job Purpose : Citi is looking for Senior BIG Data developer with expertise in Hadoop / Spark / Scala / AKKA clustering who will help build a global Ops Dashboard platform.

He / she will have responsibility for designing, coding and implementing a large scale global enterprise distributed system, including integration with 3rd party tools, business process management and various interfaces to internal Citi Systems.

Job Background / context :

  • The platform provides internal clients, and Senior managers capabilities of Map and Measure , for Banking, Lending & Investment products
  • Manage a global development team with members located in the US, Zurich, Singapore, Pune and / or other Citi locations globally
  • The role requires very strong communication, organization and planning skills to ensure strong partnership with CPB business, operations and technology teams to ensure process standardization
  • Requires good analytical skills in order to filter, prioritize and validate potentially complex material from multiple sources
  • Citi has strict coding and engineering standards to follow - from following proper unit testing to continuous integration.
  • The candidate should be familiar with the tools needed here.

    Key Responsibilities :

  • Hands on management of a global development team described in the section Job Purpose above.
  • Follows Citi’s engineering standards and deploy the software components using continuous integration
  • Architect, design and implement a global transacting platform with enterprise integration with 3rd party tools and various internal Citi systems
  • Drive architecture, design and implementation of strategic large scale distributed systems and / or projects
  • Knowledge / Experience :

  • Bachelor’s Degree and / or Masters in Computer Science or related
  • 12+ years’ experience in relevant area
  • development
  • Banking, Lending and Investment product knowledge preferred
  • Skills Required :

  • Strong Knowledge on Hadoop HBASE, HIVE, Map Reduce
  • Strong Experience using Apache Spark, Spark SQL and other data processing tools and languages
  • Experience building high-performance algorithms in scalable languages such as Java, Scala, Python and R
  • Hands on Experience on implementing AKKA Clustering.
  • Experience working on Linux systems
  • Experience using standard SDLC tools like Jira, Git, Jenkins etc.
  • Experience in Kafka, Microservices, Web Services and writing Restful API’s
  • Experienced in handling large datasets using Partitions, Spark in Memory capabilities, Effective & efficient Joins, performing Transformations and other during ingestion process itself
  • Strong development lifecycle understanding and capability
  • Strong analytical and problem solving skills
  • Knowledge of Continuous integration tools like Teamcity etc.
  • Knowledge of WebSphere Application Server and clustering
  • Provide management & guidance to off-shore development teams ensuring global platform standardization
  • Architecture / Design experience
  • Knowledge / experience with high volume / throughput systems
  • Works well and respects other disciplines of the project teams
  • Ability to manage risk appropriately.
  • Ability to thrive in a team-oriented, fast-paced environment
  • Excellent technical written and verbal communication skills
  • Ability to prioritize individual and team tasks and projects so that deadlines are met
  • Experience working with business partners and engineers to gather, understand, reeingineer, standardize and bridge definitions and requirements
  • An innate desire to deliver and a strong sense of accountability for your work
  • Qualifications :

  • Bachelor’s degree and / or Masters (in Computer Science or related)
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