WordNet (r) 3.0 (2006):

softy
    n 1: a person who is weak and excessively sentimental [syn:
         softy, softie]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "softy":
   Milquetoast, baby, big baby, chicken, crybaby, doormat, dull tool,
   gutless wonder, invertebrate, jellyfish, lightweight, meek soul,
   milksop, mollycoddle, namby-pamby, nebbish, nonentity, pansy,
   pantywaist, pushover, sad sack, sissy, softling, sop, weak sister,
   weakling



The Jargon File (version 4.4.7, 29 Dec 2003):

softy
 n.

    [IBM] Hardware hackers' term for a software expert who is largely ignorant
    of the mysteries of hardware.


The Free On-line Dictionary of Computing (30 December 2018):

softy

   (IBM) Hardware hackers' term for a software expert who is
   largely ignorant of the mysteries of hardware.

   (1995-01-11)