Contract software developer vs lead developer

Differences between contract software developer and lead developer duties and responsibilities

Contract software developer example responsibilities.

• Design simple object-base framework for managing Unix shell scripts and configuration files.
• Implement a centralize configuration system for managing application settings, consisting of a desktop application with a WCF backend.
• Design, build and install linux media servers.
• Design the system architecture, API layer, device drivers.
• Replace older PHP internal portal system with J2EE/MVC base application using JSP and Servlets.
• Develop and maintain specialized company windows programs to work with a system call Avantis.
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Lead developer example responsibilities.

• Develop UNIX shell scripts to automate the process of running jobs/batches for scheduling and process the feeds.
• Consult on the database schema, create business environments, write stored procedures in PL/SQL, authore reports and manage security.
• Configure and manage JGroup multicasting communication for apache tomcat web servers.
• Develop an UI tool for inbound and outbound file monitoring tool using HTML, CSS, JavaScript etc.
• Used HTML5 create forms and tables to display client's personal information which is fetched from back-end by using AJAX.
• Object orient design and implementation with agile application development using scrum.
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