Senior Bigdata Hadoop Developer

Senior Bigdata Hadoop Developer

Optimum Solutions (Singapore) Pte Ltd
Singapore
5 - 10 Years
Not Specified

Job Description

Responsibilities:
· Expertise in implementation and management of a variety of data platforms
Service Management
· Oversee the BAU operations of data platforms that include enterpise datawarehouse, enterprise data lake, ETL and data transformation, platforms like Hortworks hadoop, Informatica Powercenter, BDM, EDC and SAS EG
o Reviewing all application events and actions taken by support team to ensure events are properly handled;
o Coordinate between internal technology stakeholders (infrastructure, security and applications teams) to troubleshoot incidents
o Perform trend analysis on similar incidents and conduct necessary root cause analysis to prevent future occurrence.
o Track and plan all compliance, audit and patching activities to ensure timely remediation of action items.
o Provide covering for L2 / L3 Support where necessary.
Operations
· Provide L2/L3 Support for in-house developed solutions (using Hadoop, Denodo and/or Informatica BDM), covering the following activities
o Addressing user enquiries and ensuring users are able to perform their task
o Performing resolution to usage-related issues
o Investigating issues based on the L1 escalation through log extraction and analysis, configuration and code troubleshooting, etc
o Logging tickets with product principals (where applicable) if issues cannot be resolved and track the tickets to ensure timely follow-up to resolve issues.
o Perform root cause analysis of issues
o Propose and implement fixes to reported issues
o Support audit activities.
Enhancements
· Responsible for technical design, application development and testing to deliver data solutions of superior quality that covers end-to-end data lifecycle
o Design robust and low latency data solutions that support high-volume transaction volume
o Perform end-to-end development/enhancement that encompass platform changes, databases and API end-points
o Performing code reviews and providing critical suggestions for fixes and improvements
o Use configuration management and integration/build automation tools to manage, test and deploy application codes.
o Provide support to SIT and UAT, investigate and resolve technical issues reported in projects or issue resolution.
o Supporting issue analysis and fix activities during test phases, as well as production issue resolution.
o Fixing and performance tuning of proposed solutions.
o Plan and commission production system implementation.
o Develop and review technical documents and other System Development Life Cycle (SDLC) related documents.
· Recommend best-in-class solution architecture identifying functional as well non-functional parameters.
· Provide recommendations on improvements and changes that can be made on existing solution to achieve near-term quick-wins
· Provide detailed architecture analysis and design, and direction on development activities.
Experience:
· At least 5 years of hands on experience in handling Data related projects e.g. big data , datawarehouse , business intelligence, master data management
· Minimum 1 year experience in management of Hadoop or Informatica platform
· Minimum 5 years of demonstrating a high degree of proficiency in designing and engineering complex, data technical architectures and detailed data models and designs
· Extensive expertise in data warehouses and data lakes with big data technologies such as Hadoop, MapReduce, Hive, Spark.
· Deep understanding of data modelling in hadoop based datawarehouses (e.g. Data vault, star schema )
· Experience using various in ETL technologies such as Informatica (Powercenter and Big Data management), SAS EG etc.
· Experience with Continuous Integration, Continuous Deliver and Test Driven Development, with experience using the following DevOps tools is an added advantage:
o Ansible
o Bitbucket
o Jenkins
o Sonarqube
o Nexus
o Flow
o Selenium / Microfocus UFT / LoadRunner
· Exposure to information management tools for metadata management, data catalogue, master data management ,data quality management
· At least 3 years working experience in project management and vendor management
· Relevant knowledge in change management and business process improvement would be an advantage.
· Must be organized, able to work with minimal supervision, flexible to work on different projects in a rapidly changing environment
· Possess strong information acquisition, analytical and problem solving skills
· Strong communication and interpersonal skills across all levels with demonstrated ability to influence different stakeholders
· Certifications in relevant skills (e.g. project management, big data etc.) will be an advantage

Optimum Solutions, is a Singapore based full spectrum Software Solutions and Managed Services Company. Software services from Optimum are designed to deliver Enterprise Client-Server/ Multi-tier and Web based solutions across the entire value chain, spanning on-site consulting services to turnkey software projects. We started our operations in March 1997. Since then, we have grown to 2000 plus consultants working with us and have developed into a rapidly growing, highly competitive and responsive organization with professional management, strong technical and financial resources and commitment to fully serve its clients in Singapore, China, USA, Malaysia, Philippines & India

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