Build a platform from scratch using Python , Flask, Django, FastApi ,MongoDB, postgreSQL which save the company 30% reduction of cost by removing the external product dependencies.integration with product team for gathering the requirement and developing more than 350 RestApi's to handle complex scenarios for application feasibility.Participating in the code reviews for peers and code optimisation for performance improvement and latency reduction.Design the HLD and LLD for managing the data for the product.Took technology session and Product discussion with new joinee's and other team member to encourage them more into the project development.