**Job Description:** **Senior Engineer - .NET – Building Materials Manufacturing Corporation; Parsippany, New Jersey.** Job duties include the following: Designing, implementing, documenting, testing and analyzing web and mobile programs and applications; Serving as part of a scrum team with the ability to analyze backlogs and turn them into actionable stories and tasks; Performing expert-level web and mobile application design, implementation, documentation, and maintenance with minimal direction; Enabling the test-driven development of web and mobile applications producing an extensive automated unit, integration and UI tests for web and mobile applications to ensure they will produce desired outcomes; Guiding and directing the work of other team members who may perform similar or related work; Facilitating the development of cross-functional skills among team members; Serving as a mentor/developmental advisor and/or training resource while working with implementation partners; Researching new technologies and best practices; and advising and recommending changes in existing IT policies, procedures and strategy; and Implementing development best practices and methodologies (including agile). Must have a Bachelors’ degree in Computer Science or related field plus five (5) years of relevant experience. Experience must include: 5 years of experience in selecting, defining or designing Web and mobile architecture solutions; 5 years of experience in systems analysis and emergent design with a proven record of successful implementations; 5 years of experience with .Net (v3 and newer), Azure Cloud and C#; 5 years of experience with Sitecore CMS; and 5 years of experience developing microservices to integrate various technologies listed above. May work from home within commuting distance of office. We believe our employees are our greatest resource. We offer competitive salary, benefits, 401k, and vacation packages for all full time permanent positions. We are proud to be an equal opportunity workplace and GAF, Standard Logistics, SGI, and Siplast are proud to be affirmative action employers. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. If you have a disability or special need that requires accommodation, please let us know. If applying for positions in the U.S., must be eligible to work in the U.S. without need for employer sponsored visa (work permit). Privacy Policy (https://www.gaf.com/en-us/about-us/privacy-and-legal/privacy-policy) **CA Privacy** Applicant Notice (https://www.gaf.com/en-us/about-us/privacy-and-legal/applicant-privacy-notice) With 130+ years in the industry, GAF is the leading roofing manufacturer in North America. As a member of the Standard Industries family of companies, we are also part of the largest roofing and waterproofing business in the world. Our communities help give our work meaning and the products we manufacture help protect what matters most. The shingles help to shelter the families living in the homes in our towns. The TPO helps protect what is under that hospital’s roof. In addition to quality products, we make sure they are installed by quality craftsmen and women. The full GAF portfolio of solutions is supported by an extensive national network of factory-certified contractors. GAF continues to be the leader in quality and offers comprehensive warranty protection on its products and systems. Our success is driven by a commitment to empowering our people to deliver advanced quality and purposeful innovation and the desire to protect what matters most. ​