Ruby on Rails Developer - Senior
Join SOFTSWISS as a Ruby on Rails Developer and be part of our exciting journey! We are searching for someone who not only has the expertise but also resonates with our culture and values.
Overview:
SOFTSWISS continues to expand the team and is looking for a Senior Ruby on Rails Developer with 4+ years of commercial experience. We need a skilled, proactive, and accomplished professional who shares our culture and values and is ready to contribute to the development of cutting-edge gaming solutions.
About Product:
SOFTSWISS Casino Platform is a full-service modular software platform designed to efficiently manage online casino operations. It offers scalability, security, and flexibility, ensuring seamless performance under high loads and compliance with industry standards.
Key responsibilities:
- Participate in the full development cycle, from backlog refinement and testing to launching new features and implementing technical improvements
- Design, develop, and maintain scalable application architecture
- Review, maintain, and refactor existing code to ensure high performance, security, and maintainability
- Investigate and implement new technologies to enhance platform efficiency and stability
- Conduct code reviews and provide constructive feedback to team members
What we offer beyond code:
- Mentorship & Leadership: take part in our mentorship program and help shape the next generation of engineers
- Hiring Impact: participate in job interviews and contribute to our team’s growth
- Knowledge Sharing: contribute to our internal knowledge base and development best practices
Our stack:
- Backend: Ruby on Rails, PostgreSQL, Kafka, RabbitMQ, Sidekiq, Redis, WebSockets
- Technologies & Tools: Docker, Kubernetes (K8s), MinIO, Vault, Swagger, Dry-rb, Jenkins, GitLab CI/CD
- Monitoring & Observability: Datadog, Zabbix, Sentry, Kibana
Requirements:
- Expert-level proficiency in Ruby with a deep understanding of its ecosystem
- Strong expertise in designing, optimizing, and maintaining relational databases (e.g., PostgreSQL)
- Deep knowledge of SQL, algorithms, and data structures
- Solid understanding of CS fundamentals, including OOP principles and best practices
- Strong debugging, analytical, and problem-solving skills
- Intermediate or higher English and Russian (B1+)
Nice to have:
- Understanding of Ruby on Rails key concepts and best practices
- Hands-on experience with event streaming systems and message brokers (Kafka, RabbitMQ, etc.)
- Experience in database and application performance tuning (query optimization, indexing strategies, caching techniques)
- Strong test-driven development (TDD) skills and experience writing specs with RSpec
- Knowledge of scalable system architecture design
Learn more about our hiring process here – what to expect, how to prepare, and what makes SOFTSWISS different.
What we offer:
- Full-time remote work opportunities and flexible working hours.
- Comprehensive Mental Health Programme.
- Private insurance.
- Sports program compensation.
- Free online English lessons.
- An additional 1 Day off per calendar year.
- Generous referral program.
- Training, internal workshops, and participation in international professional conferences and corporate events.
About Us:
SOFTSWISS is an international company, and an iGaming software expert. We don’t only follow iGaming market trends, we create them! SOFTSWISS is a recognised industry leader in iGaming software solutions development, covering almost all aspects of the iGaming industry. The company has an international team and an official presence in several countries. Projects powered by SOFTSWISS receive numerous awards and accolades from industry media.
Our Mission:
Changing the iGaming industry through technological innovation.
Our Values:
We care
Mindful actions for big-picture goals: we value strategic vision, alignment, and personal responsibility.
We see people
People are the heart of our success: we prioritise the wellbeing and growth of our employees through a culture of warmth.
We embrace changes
Driving change through courageous spirit: we set ambitious goals, welcome initiative, and strive for entrepreneurial attitude and constant improvement.
We push for customer success
Perceiving customer success as our own: we provide high-quality services, build trust, and strive for win-win solutions.
We excel
Quality for industry leadership: our success is built on technological excellence, continuous improvement, and top industry talent.
- Department
- Casino Platform
- Role
- Ruby on Rails Developer - Casino Platform
- Locations
- Warszawa, Poland, Poznań, Poland, Belgrade, Serbia, T'bilisi, Georgia
- Remote status
- Fully Remote

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