Manish Das, Developer in Kirkland, WA, United States
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Manish Das

Verified Expert  in Engineering

Software Developer

Location
Kirkland, WA, United States
Toptal Member Since
January 16, 2017

Manish has been working for startups since his own "startup" as a graduate of computer science. He's very passionate about new tech and innovation, and is a quick and enthusiastic learner. To date, he has ten years of experience building scalable microservices and web apps and has a good command of all the usual tools and platforms.

Portfolio

Loftium
Docker, Metabase, Group Policy Management, APIs, CircleCI, Heroku...
Agrian
Amazon Web Services (AWS), Slim, Sass, Haml, HTML, CSS, Jira, Bitbucket, Git...
Sparkon
Amazon Web Services (AWS), Slim, Sass, Haml, HTML, CSS, GitHub, Git, TeamCity...

Experience

Availability

Part-time

Preferred Environment

Jira, Bitbucket, GitHub, Git, Sublime Text, MacOS

The most amazing...

...things he's built are scalable microservice architecture and web app back ends.

Work Experience

Lead Software Engineer

2018 - 2020
Loftium
  • Joined the startup as a founding engineer and built two services in Ruby on Rails, which helped the company to raise Series A and grow the company from 6 people to 50+ people.
  • Hired, mentored, and provided technical direction and leadership to the engineers.
  • Built a service to monitor Airbnb activities consuming Airbnb's API, which helped boost the company's revenue.
  • Built API authentication system using JWT, authorization, and user policy management.
  • Dockerized a Rails application.
  • Implemented service-level communication using SQS and SNS.
  • Built the entire infrastructure of the engineering leveraging Heroku, PostgreSQL, REST API, CircleCI, Datadog, ScoutAPM, AWS, GitHub, Jira, Metabase, etc.
  • Upgraded two Rails 5 applications to Rails 6.
Technologies: Docker, Metabase, Group Policy Management, APIs, CircleCI, Heroku, Amazon S3 (AWS S3), Amazon Simple Notification Service (Amazon SNS), Amazon Simple Queue Service (SQS), Datadog, CSS, HTML, JavaScript, React, Ruby on Rails (RoR), Ruby

Technical Lead

2013 - 2018
Agrian
  • Converted a monolithic app into microservices.
  • Created a REST API for two services.
  • Owned and integrated two back-end Rails services to front-end using EmberJS framework.
  • Led a team of nine developers and conducted sprint planning for the team.
  • Built and maintained the architecture of two back-end services.
Technologies: Amazon Web Services (AWS), Slim, Sass, Haml, HTML, CSS, Jira, Bitbucket, Git, TeamCity, Cucumber, RSpec, CoffeeScript, JavaScript, REST APIs, PostgreSQL, Redis, RabbitMQ, Ember.js, Ruby on Rails (RoR), Ruby

Software Engineer

2011 - 2013
Sparkon
  • Built the initial MVP web app in Ruby on Rails.
  • Managed a team of nine developers and ran sprint planning for the team.
  • Built the architecture for the entire application.
  • Built an admin tool to perform admin-related tasks.
  • Set up the integration build tool using TeamCity.
Technologies: Amazon Web Services (AWS), Slim, Sass, Haml, HTML, CSS, GitHub, Git, TeamCity, Cucumber, RSpec, CoffeeScript, JavaScript, Ruby on Rails (RoR), Ruby

Software Developer

2011 - 2011
CloudFactory
  • Designed and implemented a Ruby Gem API wrapper for CloudFactory.
  • Learned TDD and BDD testing and implemented in the API wrapper gem.
Technologies: HTML, CSS, Git, JavaScript, Ruby on Rails (RoR), Ruby

Microservices

- Built two scalable microservice back-ends in Rails
- Built a RESTful API for them
- Integrated them into an Ember.js front-end stack.
2006 - 2010

Bachelor's Degree in Computer Engineering

Institute of Engineering - Kathmandu, Nepal

Libraries/APIs

AMQP, ActiveRecord, Sidekiq, Ember Data, Ruby on Rails API, REST APIs, Pundit, API Development, Rails Engines, React

Tools

TeamCity, RSpec, Postman, Sublime Text 3, RabbitMQ, Cucumber, Sublime Text, Git, GitHub, Bitbucket, Jira, Amazon Simple Queue Service (SQS), Amazon Simple Notification Service (Amazon SNS), CircleCI

Frameworks

Ruby on Rails 4, Ruby on Rails (RoR), JavaScript MVC, Ember.js, Slim

Languages

Ruby, SQL, CoffeeScript, JavaScript, CSS, HTML, Haml, Sass, JavaScript 6

Paradigms

Component-based Rails Architecture (CBRA), Service-oriented Architecture (SOA), Agile Software Development, Test-driven Development (TDD), Behavior-driven Development (BDD)

Platforms

MacOS, Unix, Linux, Heroku, Docker, Amazon Web Services (AWS)

Storage

MySQL, Redis, PostgreSQL, Amazon S3 (AWS S3), RDBMS, Elasticsearch, PostGIS, Datadog

Other

Ruby Gems, Ruby Performance, Micro SOA, Optimization, Ember CLI, Enterprise Architecture, APIs, Group Policy Management, Metabase

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