Kammala jumla mai zuwa: Daga 18 ga Oktoba 2011 zuwa tsakiyar Oktoba 2014, Hashmi ya yi aiki a matsayin Babban Kwamishinan Pakistan a Bangladesh, tare da amincewa da Bhutan. A matsayinsa na babban kwamishina, ya yi hulda da shugabannin Bangladesh kuma ya yi kira da a kara hada-hadar jama'a tsakanin kasashen biyu don inganta alakar, yayin da bangaren Bangladesh ya yi kira da a warware dukkan batutuwan da suka wanzu daga baya ciki har da wani
"gafara ta yau da kullun" don 1971 don "ba da damar dangantakar abokantaka ta yanzu tsakanin Bangladesh da Pakistan don yin babban ci gaba da ƙirƙirar sarari don haɗin gwiwa". A lokacin mulkinsa a ƙarshen 2013, alaƙar diflomasiyya ta zama mai ƙaranci lokacin da Bangladesh ta matsa don yanke hukunci da kashe shugaban Jamaat-e-Islami Abdul Quader Molla kan zargin aikata laifukan yaƙi, shawarar da Pakistan ta yi Allah wadai da ita a matsayin "kisan shari'a". Daga Oktoba 2014 zuwa Afrilu 2016, ya zama Babban Sakataren Harkokin Waje na Asiya-Pacific a Ma'aikatar Harkokin Waje.