Checkmate (itsacheckmate.com)
Backend Software Engineer (Ruby on Rails & Python)
We are looking for a Backend Software Engineer with experience in Python and Ruby on Rails to join our team. You will play a key role in designing, developing, and maintaining our backend systems that power our applications. The ideal candidate has strong problem-solving skills, a solid understanding of backend architectures, and a passion for building scalable and reliable systems.
Essential Job Functions
• Design, develop, and maintain backend services using Python and Ruby on Rails.
• Build and optimize RESTful APIs and/or GraphQL endpoints to support front-end and mobile applications.
• Collaborate with frontend engineers, product managers, and designers to develop new features.
• Ensure code quality through best practices, including code reviews and automated testing.
• Optimize application performance and scalability, ensuring high availability and low latency.
• Integrate with third-party APIs, databases, and cloud services.
• Maintain and enhance database design (PostgreSQL, MySQL, or other relational databases).
• Write clear, maintainable, and well-documented code.
• Troubleshoot and resolve issues in production environments.
Requirements
• 3+ years of professional experience in backend development.
• Strong proficiency in Python (Django, Flask, or FastAPI) and Ruby on Rails.
• Experience designing and maintaining APIs (RESTful and/or GraphQL).
• Knowledge of relational databases such as PostgreSQL or MySQL, including query optimization.
• Understanding of microservices architecture and containerization (Docker, Kubernetes).
• Experience with cloud platforms (AWS, GCP, or Azure) and CI/CD pipelines.
• Strong problem-solving skills and ability to work independently or as part of a team.
• Familiarity with testing frameworks (RSpec, PyTest, or similar).
• Understanding of security best practices for web applications.
• Availability to work during US hours at least till 5 pm ET is essential for this role.
• Candidates must have their own system/work setup for remote work.
Preferred Qualifications
• Experience with asynchronous processing (Celery, Sidekiq).
• Knowledge of caching strategies (Redis, Memcached).
• Exposure to DevOps practices and Infrastructure as Code (Terraform, Ansible).
• Experience with event-driven architecture (Kafka, RabbitMQ).