Senior Ruby on Rails Developer (iPaaS)

About company

• A global B2B product company building a robust Integration Platform as a Service (iPaaS) that leverages AI and ML to help organizations seamlessly connect data sources, cloud apps, and enterprise systems through low-code/no-code automation
• Trusted by 12 000+ customers worldwide, including enterprises like Goldman Sachs, Amazon, Cisco, Visa, HubSpot, and L’Oréal
• Engineering culture driven by excellence, ownership, and collaboration across distributed teams in Europe and North America

Key Responsibilities

• Build and maintain complex Ruby on Rails applications
• Build backend infrastructure that enables the user interface
• Contribute across all stages of software development, from design through deployment and maintenance
• Write well-designed, testable, and efficient code adhering to best practices
• Continuously improve the system by reviewing architecture, refactoring code, upgrading frameworks, and exploring new technologies for adoption

Requirements

• Strong experience (8+ years) in building and maintaining complex Ruby on Rails applications.
• Deep knowledge of Ruby, object-oriented programming, and design patterns
• Academic background in Computer Science, Engineering, or related areas (Bachelor’s/Master’s)
• Proficiency in relational databases (PostgreSQL) and caching technologies (Redis)
• Experience with API development and support, including RESTful and Developer APIs
• English proficiency at least Upper-Intermediate (B2) level

Nice to Have

• Contributions to open source projects
• Knowledge and hands-on experience with authentication and authorization protocols (SAML, OAuth)
• Understanding of microservices architecture and experience with message queue systems (e.g., Sidekiq, Kafka, RabbitMQ)
• Experience with Go

What We Offer

• Top-tier engineering team
• Optional relocation to Spain or Bulgaria (relocation support & package)
• Health insurance (availability varies by country and contract type)
• Other competitive benefits depending on location and contract (e.g., wellness programs, home office support, education budgets, referral bonuses etc.)
• Corporate laptop provided
• Flexible vacation policy
• Remote work, flexible working hours