Senior Back-End Developer - Ruby on Rails (Nigeria)

Remote
Full Time
Experienced

Job Summary:

We are seeking an experienced Senior Back-end Developer with deep expertise in Ruby on Rails to lead the development of scalable, high-performance backend systems. In this role, you'll collaborate closely with front-end teams, design and maintain robust APIs (RESTful/GraphQL), and optimize database performance and infrastructure. The ideal candidate has 5–7+ years of experience, strong leadership skills, and is comfortable working in cloud environments like AWS or Heroku. Experience in the travel or tourism industry is a plus. This is a full-time remote position with work hours aligned to EST.

Core Task:

  • Design, develop, and maintain scalable /efficient backend systems using Ruby on Rails
  • Collaborate with front-end devs to integrate user-facing elements with server-side logic
  • Build and maintain APIs (RESTful/GraphQL) to support front-end functionality
  • Manage and optimize database performance, ensuring data integrity and security
  • Develop solutions for improving the overall system architecture to support the legacy site
  • Implement best practices for backend performance, including caching & load balancing
  • Troubleshoot and debug applications to ensure seamless functionality and uptime
  • Work with cloud services (e.g., AWS, Heroku) to deploy and maintain applications
  • Assist with backend integrations for third-party services and payment gateways

Must-Have:

  • 5-7+ years of experience as a Backend Developer, with a strong focus on Ruby
  • Experience managing a team of developers to deliver large projects
  • Experience designing and developing RESTful APIs or GraphQL services
  • Proficiency with relational databases (e.g., PostgreSQL, MySQL)
  • Knowledge of version control systems (e.g., Git or similar tool)
  • Familiarity with cloud services such as AWS, Heroku, or similar platforms
  • Strong written and verbal English communication skills
  • Ability to work EST

Nice to Have:

  • Experience building tech for the travel and tourism industry
  • Experience with front-end technologies like Next.js, React, or similar frameworks
  • Knowledge of cybersecurity best practices
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