I am Usama, an experienced full-stack Rails developer with more than 6+ Years of experience. I'm interested in your job post and figured I would make a good fit for what you're looking for. 

A brief description of my knowledge and skills: 

• Ruby on Rails (6+ years of experience) 

• JS Frameworks: React, Angular • E-commerce: Custom, Spree

• Writing tests using Cucumber, Selenium, RSpec, Cabybara, and FactoryBot 

• Mobile-first responsive design: Bootstrap 

• Relational and NoSQL databases: MySQL, PostgreSQL 

• Payment service integration: Stripe 

• Deployment platforms: AWS, Capistrano, Heroku, AWS, Rackspace, DigitalOcean 

• Amazon Web Services: CloudFront, Elastic Load Balancer, RDS, ElasticCache, ElasticBeanstalk, EC2, Route53 

• Web API and mobile integration 

• Social network and third-party integration: Google Maps, Google API, Facebook, Slack, Twitter, Instagram 

You can check out some web applications I have worked on:

• https://www.afrikrea.com/
 Worked as team member mainly focusing on adding payment options available in Africa to platform

• https://www.azkabasket.com/en

 Worked as Team lead to make the system more stable as guiding the team for development and taking architectural decisions for them to make SDLC easy

• https://www.allocator.com/ 

Worked as Team member focusing on adding new features as per client requirements after working with a project manager. 

• https://www.sales.support/ 

 Worked as a senior developer to add new features, take architectural decisions as well as helping out junior developers for development of features. 

Thank you for taking the time to review my proposal. If you think I am a good fit for your project, or you simply want to understand me better, send me a message so we can talk. I look forward to collaborating with you. 

Warm regards, 

Syed Usama Nasir