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Sr. Advanced Applications Developer (C# / Xamarin)
Ref No.: 17-03222
Location: Fairfax, Virginia
Sr Principal Applications Developer Specialist

Develop custom web and mobile applications using standard tools such as ASP.NET MVC with Bootstrap and Xamarin Forms. C# is standard programming language but others are used as well. Consults and collaborates with business leaders, end user, IT staff, vendors, and other third parties and is involved in every phase of application development lifecycle. Predominately the role uses development and applications administration / support skills in the configuration, customization, maintenance, and interfacing of Commercial off the Shelf (CoTs) business applications in our client's infrastructure.

Bachelor's degree in Information Technology, Engineering and/or related field or equivalent experience, plus 8 years of related experience or Master's degree and 6 years of related experience. Due to the nature of work performed within our facilities, U.S. Citizenship is REQUIRED.

  • Responsibilities include requirements specification, solution design, prototype plans, developing and testing code, solution release, and supporting issue analysis and resolution
  • Collaborates with a team of IT professionals to set specifications for new applications
  • Designs creative prototypes according to specifications
  • Writes high quality source code to program complete applications within schedule deadlines.
  • Ensures application interoperability with IT infrastructure components while ensuring compliance with wide-ranging information security requirements
  • Ensures application integration interoperability with other applications or subsystems (e.g. interface management, data integration systems, job automation)
  • Performs unit and integration testing before launch
  • Tests code using sample data sets to ensure the output from the program meets the requirements
  • Conducts functional and non-functional testing
  • Troubleshoots and debug applications
  • Evaluates existing applications to reprogram, update and add new features
  • Develops technical documents to accurately represent application design and code
  • Recommends coding fixes to resolve outstanding issues and work to enhance applications to automate business process as best possible
  • Leads, plans, and executes projects, small initiatives, and/or cross-functional teams
  • Manages high risk, high profile, tight schedule, and complex outcomes with composure.

Knowledge, Skills & Abilities:
  • A history that illustrates flexibility and adaptability to changing business needs and shows the ability to recognize need for change
  • Significant ability to program in at least on programming language (e.g., such as C#, Java, .Net) and SQL scripts and other scripting languages
  • Significant ability to program using Xamarin Forms for native mobile apps.
  • Experience with using Team Foundation Server / GIT as source code repository and Agile Scrum backlog management tool.
  • Not required, but experience with DevOps concepts and Docker are desired.
  • Act with speed, personal accountability, energy, and determination to overcome adversity, maximize team productivity, and deliver effective business results
  • Certified application developer indicating a degree of appropriate foundational knowledge is strongly preferred
  • Demonstrated analytical thinking and complex problem-solving capability.
  • Demonstrated knowledge of programming for diverse operating systems and platforms using development tools and languages
  • Demonstrated knowledge of software design and programming principles
  • Evidence of ability to act highly independently on large and unique tasks and wide-ranging initiatives using a subject matter expertise of the Application Development discipline
  • Demonstrated presentation, oral/written communication, and inter-personal skills including the ability to: anticipate, influence & adapt to a wide range of audiences; cultivate relationships and leverage organizational understanding to facilitate decision making and buy-in
  • Exhibits subject matter expertise on how IT solutions are constructed and in-depth expert application administration knowledge