Freelancer / part time Java web developer is urgently needed for a web project

We're working on a large scale web application that consumes a number of web services developed in Java and running under Tomacat , We're looking for a Senior Java developer who can join our team to develop and maintain the Java based web services. Rule and responsibilities : --------------------------------- • Maintain, develop and analyze a huge language processing library. • Set a scalable configuration to our search engine to support millions of users • Configure Apache Luce and Solr and/or Elastic Search and develop custom analyzers in apache Lucene • Work with big data using Hadoop to analyze data provided by the users. • Participate in system design specification sessions to document technical specifications and to provide design options and solutions. • Write and maintain codes using technical specifications to update existing applications and/or to develop new applications. • Coordinate with product development and QA teams in developing codes to support new application features. • Utilize programming principles, tools, and techniques to write application codes. • Apply analytical, technical and programmatic skills to resolve application related issues. • Ensure that builds are properly deployed in development, system, acceptance and production environments. • Review codes to identify any basic errors. • Prepare test cases and strategies for unit testing and integration testing. • Provide technical and functional support to testing teams. • Assist Technical Writers in preparing project documentation. • Follow best practices to perform application coding. • Guide and supervise Junior Developers in coding methodologies. Preferred processional background : --------------------------------------------- • 5+ years of experience with Java Technologies (Java SE and Java EE). • Experience with Web development, application servers and servlet containers. • Solid understanding of OOP and Design Patterns • Solid understanding of Algorithms and Data structures • Experience with Apache Lucene configuration • JNI experience is a must. • Nice to have experience with Natural Language Processing and Information Retrieval is a great plus • Nice to have experience with Scala is a plus • Nice to have experience with Solr or ElasticSearch is a plus • Nice to have experience with NoSQL and Graph Databases is a plus • Nice to have experience with Big Data and Hadoop is a plus • Nice to have experience with any cloud computing platform like Amazon Web Services, Linode, RackSpace • Ability to work well independently, in a fast-paced environment Please contact me directly if you find yourself qualified for the job.