Back-End Engineer

A leading financial services company providing advanced predictive and cryptocurrency solutions across various industries and verticals is looking to hire a Back-End Engineer. The engineer will be responsible for designing, building, and maintaining the server-side software application. The company focuses on unlocking the potential of disruptive technologies and leverages leading AI technology and an expert team to enhance decision-making capacity for businesses and people worldwide. This is a great opportunity for engineers to grow their careers in a fast-paced environment.

Job Responsibilities:

• Write well-optimized queries in databases (such as PostgreSQL, MySQL)
• Understand and implement the core concepts of REST and APIs
• Conceptualize and implement solutions for data storage
• Improve the quality of the team’s code through writing unit tests and automation
• Collaborate and work closely with teams to better understand the end-user requirements

Job Requirements:

• Bachelor’s/Master’s degree in Engineering, Computer Science (or equivalent experience)
• At least 3+ years of relevant experience as a back-end engineer
• In-depth knowledge of Ruby as well as Ruby on Rails
• Must be able to write data migrations to change the database system while equally maintaining stability 
• Good understanding of Redis and concurrent background jobs (Sidekiq, Rescue) 
• Ability to collaborate and follow best practices using Git and GitHub 
• Knowledge of cloud deployment and basics of DevOps(Heroku, AWS, S3, Cloudflare)
• Strong ability in writing tests in Rails (Rspec, minitest, feature tests)
• Solid grasp of the basics of CI/CD (CircleCI, CodeShip, etc.) 
• Good understanding of payment systems (Stripe, Paypal, etc.) 
• Comfortable with JavaScript, CSS, and HTML 
• Nice to have previous experience with Node.js, Python, and Erlang/Elixir 
• Solid understanding of system testing, concurrency, and redundancy
• Excellent understanding of Object-Oriented Programming and the ability to debug critical issues along with writing documentation
• Familiarity with third-party APIs and in building flexible systems
• Comfortable working with data-intensive applications
• Excellent communication skills and can work well within a team