Sr. BI Developer - Java/ Hadoop

Halo Group; Chicago (IL); On-site; USD 90,000 - 120,000; Full time

Job summary

An innovative IT consulting firm in Chicago is seeking an experienced Java Developer with 6+ years of expertise in data-driven applications, including strong knowledge of Hadoop and NoSQL technologies. The role involves collaborating with customers to gather requirements, mentoring team members, and managing projects. Candidates must have a BA/BS degree and demonstrate excellent problem-solving abilities. This opportunity promises a dynamic work environment dedicated to employee growth and innovative solutions.

Qualifications

• 6 or more years’ experience; expert level in developing data driven applications.
• Strong experience in batch, web services/API, or web application development.
• 2+ years experiencing leveraging Hadoop technologies.
• 2+ years’ experience using a NoSQL database in Production.
• Demonstrated experience in engineering and design practices.

Responsibilities

• Maintain active relationships with customers to gather business requirements.
• Proactively address customer issues and implement solutions.
• Collaborate with engineers to enhance web portals.
• Develop and define application scope and objectives.
• Mentor others on coding standards and perform code reviews.

Skills

Java/J2EE/Spring

Hadoop technologies

NoSQL databases

Unix and shell scripting

Messaging architecture (Kafka, MQ Series)

Analytical and problem-solving skills

Education

BA/BS degree in related field or technical institute training

Tools

Hadoop (HDFS, Hive, Pig, Sqoop, Oozie, Flume, Spark)

HBase

MongoDB

Cassandra

Maven/Gradle

Job description

Halo Group strives to be among the most respected IT consulting firms by providing unmatched customer, consultant and employee support. A meaningful work environment for employees, attractive and interesting engagements for consultants, and cutting edge innovation for our customers set us apart from the rest. At Halo Group,people are not a commodity, but our greatest resource.

Job Description

• Requires BA/BS degree in related field or technical institute training
• 6 or more years’ experience; expert level experience in developing data driven applications; or any combination of education and experience, which would provide an equivalent background.
• Multi database and multi-language preferred.
• Sound abstract, analytical, problem solving and critical thinking skills
• 5+ development experience for batch, web services/API, or web application development preferably using Java/J2EE/Spring
• 2+ years experiencing leveraging Hadoop technologies – HDFS, Hive, Pig, Sqoop, Oozie, MapReduce, Flume, Spark, distributed processing concepts, HBase, and the Cloudera Hadoop distribution
• 2+ years’ experience using a NoSQL database in Production – HBase, MongoDB, Cassandra
• Demonstrated experience in engineering and design practices such as Unit Testing, Continuous Integration, Loose Coupling and Dependency Management using Maven/Gradle
• Strong Experience in Messaging architecture using queuing technologies such as Kafka and MQ Series
• Strong experience with Unix and shell scripting.
• Maintains active relationships with customers to determine business requirements, leads requirement and design meetings.
• Proactively addresses customer issues, prepares alternatives and implements solutions.
• Collaborates with engineers for creative ideas for Web portals supporting interactive content, analyzes and classifies complex change request and reviews and evaluates possible enhancements.
• Identifies and manages risks and develops contingency plans. Partners with business, architecture and infrastructure and oversees all service levels.
• Develops and defines application scope and objectives, including impact to interfaces. Analyzes and evaluates detailed business and technical requirements.
• Mentors others on coding standards and performs code reviews. Supervises others on developing application internals for usability, reliability and scalability requirements.
• Ensures system testing is completed and meets the test plan requirements. Coordinates integration activities with other IT to ensure successful implementation and support of project efforts.
• Assesses current status and supports BI planning efforts. Mentors and assists in training initiatives and performs estimates for costs and impacts.
• Manages small to medium projects, potentially leading global projects.
• Mentors and provides training, conducts vendor evaluations and manages pilots for Business Intelligence tool upgrades.
• Develops application and/or processing components required to enable a solution.

Qualifications

Requires BA/BS degree in related field or technical institute training

Additional Information

("java Developer" OR "J2EE Developer") AND (Hadoop) AND (HDFS OR Hive OR Pig OR Sqoop OR Oozie OR "Map Reduce" OR Mapreduce OR Flume OR Spark) AND (HBase OR MongoDB OR "Mongo DB" AND Cassandra)

Must Be a US Citizen or Green Card Holder