About

Rajan Mishra is a highly experienced backend developer with over 10 years of experience in building distributed systems for web and mobile. He is currently working on the latest web technologies to develop applications used by millions of users across many platforms, including web, mobile, and smartwatches. Rajan is proficient in Typescript, JavaScript, NodeJs, Golang, PHP, Python, Databases, message queues, and AWS. Rajan follows agile methodology and configures CI/CD pipelines to provide many builds in a day, always production-ready. He has designed, developed, and migrated backend systems to support multiple platforms, including Web, Mobile, smartwatch, Tablet, and proprietary devices. He has experience in using different architecture patterns, including Monolithics, microservices SOA, DDD, design patterns, and SOLID principles. Rajan has expertise in infrastructure on AWS cloud, including AWS EC2, ELB, VPC, EBS, Lambda function, ECR, cloud-formation, terraform, and ansible. He utilizes databases such as DynamoDB and MongoDB for fast reading and writing. MySQL and MariaDB are used for consistency and ACID transactions. Rajan has experience in identity management using Okta and segregation of customer base using application client Ids. He has implemented asynchronous service using rabbitMQ, AWS SQS, AWS cloud watch, and lambda functions. Rajan has experience in documentation using swagger, Postman, and confluence. He has worked with CI/CD pipelines using Gitlab CI/CD and Jenkins. He has expertise in unit and integration testing using Postman, RSpec, Mocha, and Jest. Performance and load testing using Jmeter and monitoring and observability using sumo-logic, AWS cloud-watch, Dynatrace, new relic, Sentry, and Pagerduty are some of his other skills. Rajan has worked with companies such as Pitney Bowes and Engineer.ai in the past. He has been awarded many times with Ace and thumbs awards for his work. He has also taken care of end-to-end backend system/services for important apps in Pitney Bowes ecosystem, including C-Series and Mobile(Android/iOS). He has developed the real-time auction system dropit using backend technology, NodeJs, PHP, MySQL, MongoDB, Redis, and Frontend technology such as Typescript/Javascript, AngularJS, HTML, and CSS. He has also developed the in-house marketplace product healthhunt and thestylestamp.