Bring water, 1 tbsp salt and bouillon cubes to a boil. Add pasta and cook according to directions. In a separate pot, make hard boiled eggs. Place frozen peas in a bowl and cover with cold water. Set aside.
In the meantime, dice celery and chop chicken. Set aside. Measure out all other ingredients.
Drain pasta water and transfer to a large mixing bowl. Peel and chop eggs then add to pasta. Strain peas and add them to the pasta along with all the other ingredients.
Gently stir to combine everything together. Refrigerate then enjoy chilled.