Sr. Software Engineer - L2

• Nov 2021 - Present

SSENSE - A multi-brand retailer based and E-commerce platform in Montreal, Canada specializing in the sale of designer fashion and high end streetwear. The company delivers to 114 countries around the world and operates websites/Mobile app in French, English, Japanese and Korean. Tech Stack - NodeJS, TypeScript, RestifyJs, InversifyJs, PostgresDB, DynamoDB, Serverless AWS services such as Lambda, SNS, SQS, S3, API Gateway. 1. Develop and maintain microservices as per the business requirement for managing Tax & Duties for product, orders as per the product specifications and order shipping from/to addresses. 2. Worked on benchmarking micro-service, which has k6 scripts, for the APIs throughout the system. 3. Worked on pub-sub service, a responsible for delivering messages from SNS to SQSs using serverless. 4. Responsible for creating datadog monitors and metrics, which prompted the user 5. Worked on serverless application having integrations of Lambda with SNS, SQS, S3, API Gateway 6. Created a business reporting service using S3, kinesis firehose, Athena. 7. Responsible for deploying applications on AWS cloud servers with docker(k8s) and jenkins. SportDollars - An esport platform wherein players can challenge their opponent for an online game in exchange of funds. Tech Stack - NodeJs, Mongo, Step Functions, DynamoDB 1. Redesigned the Match & Dispute flow with Step functions using Lambda & Dynamo. 2. Implemented the notification system using web sockets. Sal Digital - Digital Wallet App Tech Stack - NodeJs, MySQL, AWS 1. Used AWS Cognito APIs for authentication. (Github repo) 2. Involved in architecting the backend system of the application. Developed features like wallet-to-wallet, bank-to-wallet, bank-to-bank, utility bill payments. 3. Admin Panel - to administer the transaction, facilitate cash-to-wallet transactions. 4. Built a foolproof Payment transaction system using producer consumer architecture (SQS, API gateway, Lambda) Show less

Backend Engineer

• Aug 2019 - Sep 2022

1. Cross-application stack trace (Logging)- Lifecycle of a request by binding the series of API calls with a unique request-id which was integrated with CloudWatch to show a full stack trace of the request from all the micro-services, which improved error traceability. 2. Deployed Queue based infrastructure and distributed systems using AWS using SQS. Explored various options RabbitMQ, Kafka, SQS, RedisMQ, RabbitMQ/Celery and RedisMQ/Bull. Converted the game events system, from API based to Queue based. 3. Converted a batch-processing system(processed events with one hour delay) to a more real-time event processing system using apache kafka and Druid(time-series db). 4. Integration with Third Party APIs - payment gateway (stripe and Razorpay), also Implemented syncing of Clever(District/Schools/Classes) Data with Square Panda system to create or reconcile any new changes in the Clever District Data. 5. Built a real-time analytics system to measure student performance (Letter Sound/Orientation Confusion Matrix) over existing games. 6. MIS Dashboards - Data reporting tool on Angular OPS Summary, Bookset Forecast, User Details, Master Tables View. 7. Optimized the system by implementing caching (LRU-caching and Redis). 8. Setting up Alarms on EC2 server for memory and space usage and notifying using the SNS topics. 9. Built various dashboards on CloudWatch for queue logs SQS, query logs RDS(postgres), cache logs and API logging. 10. Setup a Notification service modules with integration to SES, SNS, Android and Apple Notification, also built a scheduler system on top of it, to send out notifications. Show less

Senior Full Stack Developer

• Feb 2019 - Aug 2019

Javascript | NodeJS | AWS Lambda | Mongo | Angular 4 1. Improvement of Dashboard for the clients. 2. Integrating with other Delivery service providers. 3. Part of major remodelling of database. Javascript | NodeJS | AWS Lambda | Mongo | Angular 4 1. Improvement of Dashboard for the clients. 2. Integrating with other Delivery service providers. 3. Part of major remodelling of database.

Senior System Analyst

• Jun 2018 - Feb 2019

Senior Software Engineer

• Mar 2017 - May 2018

Lead Developer

• Jul 2015 - Jan 2017

Software Engineering Analyst

• Aug 2013 - Jul 2015

Associate Software Engineer

• Aug 2012 - Aug 2013

Worked in backend development with Mainframe technology.Built library of models and reusable knowledge-base assets to produce consistent and streamlined business intelligence results.Assessed impact of current business processes on users and stakeholders and evaluated potential areas for improvement.