further i want to ask what should i prepare for to get job opportuniti after i completed my masters..and further i don't have any experience before

Hi Sir, My name is Anwesha Das. I am recent graduate in Information technology. Over the years I built project using MERN stack and other web technologies. Also I participated in different hackathon and open sources contributions. Thought I don't have have any internship experience. I am facing difficulty even getting shortlisted in any good product based startups. I am getting calls bt ratio is one in a million and that too from not so reputed companies. resume link : https://drive.google.com/file/d/1aj0w_wVXYiZgX99RA_yuFP8M6P2qWnfJ/view?usp=drive_link please tell me the optimization I need to do in resume and also the roadmap on how to land a job in a good product based startup. In a very early startup is also okay for me. Guide me in term of - - apply strategy, - whom to approach and when to apply to get the optimal result, - Some of the best websites that a lot of people don't know but gives good results etc. - Or any other advice for interview