Appian App Enhancement & Optimization

I maintain an existing Appian application that now needs a round of solid improvements. The scope covers three fronts at once: adding brand-new features, ironing out lingering bugs, and squeezing better performance out of every screen and flow... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, API, Appian, Database Design, Java, Mobile App Development, MySQL, SQL)