A New Jersey-based IT services firm announced Tuesday it plans to hire hundreds of employees at its new “Innovation Center” in downtown Hartford co-working space Upward Hartford. GalaxE.Solutions Inc., which mainly provides its platform to insurance companies and healthcare providers, said it debuted Sunday at The Stilts Building, 20 Church St., with about 25 employees. Tim Bryan, chief executive of GalaxE, told Hartford Business Journal his firm plans to hire “several hundred” more workers in the coming years. Headquartered in Somerset, N.J., the firm may keep a presence at Upward Hartford long term or grow its operation in another location...