Overview Do you have experience designing and developing complex backend architectures and would like to lead projects that make a difference? At Monokera we are looking for a Senior Backend Developer with solid mastery in Ruby on Rails to take our platform to the next level. You will be a key pillar in technical decision-making, in the implementation of new technologies and in the mentoring of the team. If you enjoy solving complex problems, optimizing systems at scale, and collaborating with a high-performing team, this is your chance to lead change! Responsibilities Design and develop complex server-side architectures with Ruby on Rails, creating scalable and efficient solutions that directly impact our users' experience. Lead key technical decision-making, evaluating and adopting new technologies that strengthen our platform. Conduct code reviews and mentor other developers, promoting a continuous learning environment and ensuring that the team maintains high quality standards. Optimize the performance and scalability of our systems to ensure the platform works quickly and reliably. Work closely with the product team, refining specifications and ensuring that the functionalities developed deliver maximum value. Integrate web services using RESTful APIs and GraphQL, ensuring a robust and flexible infrastructure. Participate in continuous integration using tools such as Jenkins and Docker, maintaining stability in the deployment processes. What we expect from you 5-6 years of experience working with Ruby on Rails in the development of complex architectures. Extensive knowledge of relational databases like PostgreSQL or MySQL, and if you have experience in NoSQL (like MongoDB), so much the better! Domain version control with Git, GitHub, or GitLab. Experience creating and integrating RESTful APIs and GraphQL for scalable services. Advanced knowledge of Docker for development and deployment, and experience with Jenkins in continuous integration. Ability to write automatic tests with RSpec or Minitest, ensuring code quality. Experience working with cloud services, especially AWS. Leadership and mentoring: ability to guide and support junior developers, promoting good practices and quality standards in the team. Proactive attitude and ability to make key technical decisions, always willing to collaborate as a team. Excellent communication skills Spanish Proficient Benefits Flexibility to achieve a balance of life Collaborative and dynamic work environment Competitive salary and benefits package Professional and personal development opportunities 100% remote work Indefinite term contract Prepaid health insurance (For Indefinite Term Contracts) Connectivity support Family Day Off and Birthdays #J-18808-Ljbffr