The average salary for a Software Engineer in New Castle, DE is between $77,992 and $203,408 as of October 01, 2026. Salary ranges can vary widely depending on the actual Software Engineer position you are looking for. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
About New Castle, Delaware New Castle is a city in New Castle County, Delaware, six miles (10 km) south of Wilmington, situated on the Delaware River. According to the 2010 Cens....More
New Castle, Delaware area prices were up 1.0% from a year ago View the Cost of Living in New Castle, Delaware
Core compensation
A software engineer, sometimes referred to as a software developer, applies engineering principles and methodologies to design and develop complicated software systems and applications. Software engineers focus on analyzing and translating user requirements into an application or control system design. Software engineers may design complex systems for use in aircraft, manufacturing, military, energy generation and healthcare devices. They typically do not perform the actual coding, although in some cases they may. Software engineers generally work in teams to design and develop a computer system.