Job Description:
We are looking for a highly skilled Senior Ruby on Rails Developer to join our dynamic team. You will be responsible for designing, developing, and maintaining robust, scalable, and high-performance web applications. The ideal candidate has deep experience with Ruby on Rails, a strong understanding of relational databases, and expertise in building transactional business applications and RESTful APIs.
The target application has been in development for 2-3 years, meaning you will be working with an existing codebase. The application serves as a backend API for a React frontend, so experience with such an architecture is required. While knowledge of React is a plus, it is not mandatory.
Key Responsibilities:
– Design, develop, and maintain Ruby on Rails applications with a focus on performance and scalability.
– Write clean, efficient, and well-tested code using RSpec and observe style requirements dictated by Rubocop.
– Architect and optimize PostgreSQL databases, ensuring efficient queries and schema design.
– Design and implement RESTful APIs using Grape and other frameworks.
– Develop and manage asynchronous background jobs using Sidekiq or similar task managers.
– Work with Redis for caching and job queue management.
– Deploy and maintain applications in Linux/Docker/Kubernetes environments.
– Use AI assistive technologies (e.g., GitHub Copilot, Cursor) to improve development workflows and efficiency.
– Maintain and enhance an existing codebase, ensuring adherence to Clean Architecture or related modern design patterns.
– Collaborate closely with frontend teams building React applications to ensure seamless integration between backend APIs and frontend components.
– Maintain a disciplined approach to task management, ensuring timely delivery and high code quality.
– Communicate effectively in English with team members, stakeholders, and clients.
Requirements:
– Extensive experience with Ruby and Ruby on Rails
– Solid experience with RSpec for testing and adherence to style guides like Rubocop
– Strong SQL knowledge with PostgreSQL and experience with Redis
– Experience in developing transactional business applications and designing scalable database schemas
– Proven expertise in REST API design, particularly with Grape
– Experience with Sidekiq or other asynchronous job processing frameworks
– Excellent knowledge of Linux and Docker; basic familiarity with Kubernetes
– Strong task management skills and ability to work independently
– Familiarity with AI-assisted development tools (e.g., GitHub Copilot, Cursor, or similar)
– Fluent English communication skills (spoken and written) are crucial
– Experience working on an existing codebase for long-term projects (2-3 years)
– Experience with backend API development for React frontends
– Understanding of modern design patterns, particularly Clean Architecture or similar.
Working Conditions (benefits after probationary period):
– A flexible 8-hour business day, with the ability to coordinate its beginning and end independently, having previously agreed with Tech Lead/PM;
– All official holidays – weekends;
– Work in the office or remotely;
– A paid vacation (20 business days);
– Compensation for sick days;
– The possibility of studying English;
– Partial payment of training profile courses;
– Material assistance at the birth of children;
– Purchase of equipment 50% for 50% with the company;
– Compensation for expenses for sports centers(up to UAH 1000 per month);