Senior C# .Net Developer

1 month ago
Job ID
Infrastructure Support


About DMI

DMI, the world’s first end-to-end mobility company, combines all the skills and services necessary to deliver mobile enterprise solutions. Built to reinvent business through mobility, DMI has expertise in mobile strategy, UX, web, and app development, omni-channel commerce, brand and marketing, big data management and analytics, and secure device and app management. The company’s unique, integrated approach to mobility has resulted in dramatic growth as well as an expanding client base, which includes hundreds of Fortune 1000 commercial clients and all fifteen U.S. Federal Departments. DMI is headquartered in Washington DC area, with satellite offices around the world. Additional information is available at and on LinkedIn, Twitter, Facebook, and Google+.



About the Opportunity


DMI is looking for a Senior .Net (C#) Windows Developer.


Duties and Responsibilities:

  • Design, develop, enhance, debug, and implement software. Troubleshoot production problems related to software applications.
  • Address problems of systems integration, compatibility, and multiple platforms.
  • Perform feasibility analysis on potential future projects to management.
  • Assist in the evaluation and recommendation of application software packages, application integration and testing tools.
  • Resolve problems with software and respond to suggestions for improvements and enhancements.
  • Working with an agile development methodology.
  • Experience working in large groups
  • Extensive experience with .Net and Java based web applications
  • Developing Java web apps using WebLogic Application Server and Oracle database server
  • Database programming using SQL queries and stored procedures
  • Experience with Spring and Hibernate frameworks
  • Building web services - SOAP and REST
  • Developing XML/XSD schemas, data extraction and validation
  • Experience with Service Oriented Architecture (SOA).
  • Proficiency with Microsoft .NET software development tools, languages, and frameworks.
  • Strong C# and development fundamentals, including Object Oriented Programming (OOP) 
  • Proven experience delivering Windows Mobile applications in either Windows 8.1 or 10
  • Experience in developing on WPF/Windows Mobile paradigms including Model View-View Model (MVVM) frameworks/patterns
  • Experience in Extensible Application Markup Language (XAML) including Windows Phone 8.1 and 10 development
  • Experience in C#/.NET including multithreaded programming, Entity Framework, SQLite, and Universal Windows Platform (UWP).
  • Experience in all parts of the Windows devices ecosystem including application development (application structure, device and Operating System) API's,
    Debugging, performance, security, deployment, updating, and roll-out)
  • Experience with back-end architecture and implementation (web services, databases, security), on platforms.
  • Experience in using JIRA for full development cycle.
  • Experience in developing windows desktop application.
  • Experience in working with Representational State Transfer (REST) and Simple Object Access Protocol (SOAP) services
  • Experience developing mobile applications.



Education and Years of Experience: 

  • Bachelors in Computer Science or equivalent degree with 5+ years of experience.

Required Skills/Certifications:

  • Thorough knowledge of C# .Net, Oracle.

Desired Skills/Certifications: 

  • Through understanding of Life Cycle Software development
  • Thorough understanding of Infrastructure  

Physical Requirement(s):  None


Location: Crystal City, VA


Working at DMI

DMI is a diverse, prosperous and rewarding place to work. We provide our employees with competitive benefits, educational assistance, and career growth opportunities. Every employee is valued for their talents and contributions. We all take pride in helping our customers achieve their goals, which in turn contributes to the overall success of the company.

The company does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans, and to treat qualified individuals without discrimination on the basis of their physical or mental disability or veteran status. DMI is an Equal Opportunity Employer Minority/Female/Veterans/Disability.

***************** No Agencies Please *****************

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.




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