Build machine learning platform that saved 1 million revenue from fraud in FY 2023 .Contributed in design, code-development, deployment & ongoing improvements .Built ML feature capability for machine learning inferencing in realtime using ETL pipelines , AWS ,model inferencing platform.Currently building optimising socres all ML models into 1 single ,so that 20+ models inputs can be aggregated in real-time & used across deliveroo domains .Integrated 3rd-Party trust scoring platforms for financial transaction .Lead a team of 4 engineers for disaster recovery project across org for all global serving locations .Contributed towards on-call ,postmortem's documentation & technical design documents .

Built microservice-based promotion management system that serves millions of customers worldwide.Worked on BDD & TDD that improved system flow by reducing errors and better testing efficiency.Reduced system tight-coupling with event-based architecture using Kafka and Hazelcast cache.

Built lending platform microservice from scratch with Spring boot, MySQL.Microservice was developed to aim fully automated lending process from Id-verification through Aadhaar & PAN , checking credit score , bank account verification, and debit loan amount based on the overall score generated directly into the bank account.Generated Loan-return process through nach-process(a fully -automated loan return process ) for merchants.

Built B2B SaaS-based startup from scratch with a team of 4 developers that impacted a big amount of merchants .Integrated Nosql(DynamoDB) and moved all data from Sql to Nosql .Used ElasticSearch to remove duplicate data (Medicine data) based on multiple factors and removed human intervention by 90 %.Built Push notification system from scratch using AWS(SNS, SQS) & Google cloud notification service to engage customers.Implemented Bulk Data ingestion system using AWS SQS, Lambda and persisted it in Dynamodb & S3 using a set of auto scaling lambda to reduce server cost and better fail-safe system.Lead team of 3 junior engineers.