Coinstar Sr Software Engineer- C# Windows Presentation Foundation (Contract to hire) in Bellevue, Washington


  • Participate in the full software development life-cycle

  • Collaborate iteratively with subject matter experts to define requirements

  • Architect and build the presentation layer for API based applications that are highly scalable and secure

  • Focus on unit and automated testing, so teams can iterate quickly while maintaining a high quality bar

  • Help establish engineering best practices and guidelines

  • Become a trusted provider of subject matter expertise on our core products


  • At least 5+ years of software engineering experience

  • Minimum of 5+ years experience of Microsoft development technologies to build Web (MVC, MVVM), WPF applications using C#, HTML5, JavaScript, Bootstrap or equivalent object-oriented language

  • Minimum of 5+ years experience with developing SQL Server applications and optimization including DDL, DML, stored procedures and triggers

  • Demonstrated experience with developing web applications and/or windows forms applications

  • Experience with other Microsoft languages and technologies, including IIS and SQLServer

  • Demonstrated experience with technical design, reviews and leadership for the design and implementation of enterprise applications

  • Demonstrated experience with adhering to usability, design and development standards

  • Demonstrated experience with all aspects of unit testing, performance testing and user acceptance testing


  • Prior experience working in financial services/fintech

• Experience with Cloud-Based application engineering and delivery