Software Engineers Software Engineers blend computer science, mathematics, and engineering to design, develop, test, and maintain software or computer systems. Nuclear Engineers research nuclear energy and radiation for industrial and medical use. Software Engineers blend computer science, mathematics, and engineering to design, develop, test, and maintain software or computer systems. In an ideal world, it’s best to earn in strong currencies like Dollars but spend in weaker currencies like the Turkish Lira for example. Electrical Engineers Electrical Engineers devise new and improved electronics, components, and equipment.