Senior Software Engineer (Full Stack) Constant Contact, Inc. helps small businesses and nonprofits connect with their customers, clients, and members. Constant Contact® champions the needs of small organizations and provides an easy, affordable way to build successful, lasting customer relationships. Our customers get real results through email newsletters, surveys, events, Facebook promotions, online listings, and more. We're looking to expand our team of developers located in our Waltham office. Be part of a brand new team that will focus on developing social networking technologies for digital marketing campaigns. As a part of an agile team, you'll be working with innovative tools, pr …