Principal Systems Developer

Position Available – Employer Website

Principal Systems Developer, National Medical Care, Inc., a Fresenius Medical Care N.A.

company, Lexington, Massachusetts

Responsible for designing, implementing, and maintaining software and Web applications used in Fresenius business operations.

Specific duties include:



* Working with Client and Business Analysts to analyze the systems requirements.


* Designing multiple complex web and mobile software applications using Object Oriented Programming Principles and Design Patterns like Singleton, Façade, Factory, Adaptor, Observer, Repository with strong hands on experience in .Net Framework 4.0/4.5, C# 4.0/5.0/6.0/7.0, VB.Net 10.0/11.0/14.0, AJAX, jQuery and Web Services.


* Preparing the complete Software Design Specifications documents for all the applications.


* Building WCF RESTful services for data retrieval for an Android mobile application which works both in online and offline modes.


* Building health care specific HL7/Fhir (Health Level 7/ Fast Healthcare Interoperability Resources) web services for patient hepatitis data retrieval.


* Building the complete business logic using C#, VB.Net, LINQ (Language Integrated Query), Entity Framework, JSON, WCF (Windows Communication Foundation) Services and GUI (Graphical User Interface) with HTML5/CSS3, Telerik Controls, Asp.Net/jQuery, Bootstrap and Responsive web design with media queries for efficient and interactive web applications that work seamlessly across all popular browsers and mobile or tablet devices.


* Working in Agile software development model for quicker fixes and enhancements in live website.


* Working on SVN source control to keep track of daily code changes and reporting and monitoring the issues and fixes.


* Designing and developing SQL Server 2008 R2 Databases with strong knowledge in Tables, Indexes, Stored procedures, Views, Functions and Triggers to handle complex business rules and vast history data.


* Working on application performance enhancement in GUI and in database by performance tuning tools and techniques.


* Working extensively on multiple SQL Server Integration Services packages for data transformations using flat files and copying to or retrieving the data files from FTP/SFTP locations using WINSCP.


* Deploying and maintaining applications on IIS (Internet Information Services).

Requirements:

Position requires either (i) a Master’s Degree (or a foreign equivalent) in Computer Information Systems, Computer Systems Engineering, Electrical or Electronics Engineering or a closely related field, and four (4) years of experience analyzing and defining technical requirements for software design projects or (ii) a Bachelor’s degree (or a foreign equivalent) in Computer Information Systems, Computer Systems Engineering, Electrical or Electronics Engineering or a closely related field, and six (6) years of experience analyzing and defining technical requirements...