We need to hire a developer based in India, if based in Kolkata, then there is possibility for hiring after 3-4 months on full-time, but currently any location is fine. C++ and Golang would be an added advantage. Please send your resume to me 'sujan.dasmahapatra@gmail.com'. It'll be a freelance work, very good opportunity for freelancers. 5-7 years experience professional needed.