Requirement : Knowledge in core Java (server-side) Knowledge in SQL/MySQL Database design knowledge. Knowledge in integrating multiple open source libraries and frameworks into working systems Knowledge of Unix Knowledge in Debugging and performance tuning of the system Bachelor's degree in Computer Science or equivalent Good to have : Knowledge in Lucene / Solr /Elastic-Search E-Commerce knowledge Knowledge in using scripting languages like Python/Shell Web scraping knowledge. Job Description : Build infrastructure for existing and new functionality on the Java platform Write clean, scalable, documented code Extensive work on design patterns, algorithm, and data structures Continuously research new technologies, frameworks, and libraries Help build a professional software development infrastructure with Bug tracking, version control, branching strategies, continuous integration. Take ownership of assigned projects, analyze and distill requirements into actionable development tasks, implement them, test, and deploy.