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Kamrujjaman Khan

Backend Engineer

More than six years of working experience in software development with interpersonal and organizational skills and adept at handling complex features with optimized design and architecture


Senior Software Engineer(Remote)


Full time contract10/2021 - 7/2023
  1. Developing and designing of the services related to cryptocurrency buy and sell
  2. Monitoring the services to make sure the Production will face minimal issues as the system is hugely used by millions of customers.
  3. Collaborating on a large team where I have to make proper communication with product and infrastructure team to implement the feature as crypto calculations are complex and need proper testing.
  4. Code review is maintained to make code more errorless and clean.
  5. Have to create documentation on confluence for feature design and release plan.
  6. Scrum has been followed with sprint planning, sprint review and sprint retrospective.
  7. Node.Js, Typescript, Java,Python, PostgreSQL, MongoDB, Jest
Software Engineer

Omicron It

Full time contract8/2016 - 1/2018
  1. Worked as a MEAN stack developer
  2. Deploying and monitoring the server in a shared host
  3. Node.js, Typescript, Django, Angular, MongoDB, Git, PM2
Senior Software Engineer


Full time contract2/2018 - 4/2019
  1. Contributed to Backend and RTC
  2. Designing of Microservices and Database Model
  3. Node.js, Django, PostgreSQL, MongoDB, XMPP, RabbitMQ, GraphQL
Senior Software Engineer


Full time contract5/2019 - 4/2020
  1. Development and design the architecture of an e-commerce system microservices
  2. Worked with a real-time chat service and the technologies behind it are more advanced used by leading messaging applications
  3. Django, Node.js, Typescript, Golang, Erlang, XMPP, PostgreSQL, MySQL, MongoDB
  4. GraphQL, Docker, Kubernetes, RabbitMQ, git, REST API, gRPC
Lead Software Engineer


Full time contract5/2020 - 5/2021
  1. Successfully designed and developed scalable applications which are now used by millions of users and monitored them to avoid bad user experience
  2. Developing microservices by maintaining eventual consistency, low latency, and fault tolerance
  3. Database optimization for handling huge connection requests and solving bottlenecks that are slowing the application response.
  4. Managing a team with proper collaboration and confirming that they are following the SOLID principle
  5. Identify and resolve infrastructure level issues when there are huge requests and find out permanent solutions to use optimize resource
  6. Making an outline of the project which could be easier to develop for the developers


Chittagong University of Engineering and Technology

Computer Science and Engineering

Bachelor's DegreeClass of 2016


JavascriptPythonJavaSQLNoSQLGithubNodeDeveloping applicationsApplication designOptimization


Senior-level5-8 years

Hourly rate


Open to


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