[{"email":"test1@test.com","primary_skills":[{"name":"python","rating":4.0},{"name":"Django","rating":4.0},{"name":"AWS","rating":3.0}],"secondary_skills":[{"name":"Angular","rating":4.5},{"name":"React","rating":3.0}]},{"email":"test2@test.com","primary_skills":[{"name":"Angular","rating":4.0},{"name":"python","rating":4.0},{"name":"Django","rating":4.5},{"name":"SQL","rating":3.5},{"name":"AWS","rating":3.0}],"secondary_skills":[{"name":"Angular","rating":4.0},{"name":"React","rating":3.5}]}]

db.collection.find({primary_skills:{"$elemMatch":{name:"Angular",rating:{$gt:3.5}}},secondary_skills:{"$elemMatch":{name:"Angular",rating:{$gt:3.5}}}},{email:1})